1dnl === configure.ac --------------------------------------------------------=== 2dnl The LLVM Compiler Infrastructure 3dnl 4dnl This file is distributed under the University of Illinois Open Source 5dnl License. See LICENSE.TXT for details. 6dnl 7dnl===-----------------------------------------------------------------------=== 8dnl This is the LLVM configuration script. It is processed by the autoconf 9dnl program to produce a script named configure. This script contains the 10dnl configuration checks that LLVM needs in order to support multiple platforms. 11dnl This file is composed of 10 sections per the recommended organization of 12dnl autoconf input defined in the autoconf documentation. As this file evolves, 13dnl please keep the various types of checks within their sections. The sections 14dnl are as follows: 15dnl 16dnl SECTION 1: Initialization & Setup 17dnl SECTION 2: Architecture, target, and host checks 18dnl SECTION 3: Command line arguments for the configure script. 19dnl SECTION 4: Check for programs we need and that they are the right version 20dnl SECTION 5: Check for libraries 21dnl SECTION 6: Check for header files 22dnl SECTION 7: Check for types and structures 23dnl SECTION 8: Check for specific functions needed 24dnl SECTION 9: Additional checks, variables, etc. 25dnl SECTION 10: Specify the output files and generate it 26dnl 27dnl===-----------------------------------------------------------------------=== 28dnl=== 29dnl=== SECTION 1: Initialization & Setup 30dnl=== 31dnl===-----------------------------------------------------------------------=== 32dnl Initialize autoconf and define the package name, version number and 33dnl address for reporting bugs. 34AC_INIT([LLVM],[3.4],[http://llvm.org/bugs/]) 35AC_DEFINE([LLVM_VERSION_MAJOR], [3], [Major version of the LLVM API]) 36AC_DEFINE([LLVM_VERSION_MINOR], [4], [Minor version of the LLVM API]) 37 38dnl Provide a copyright substitution and ensure the copyright notice is included 39dnl in the output of --version option of the generated configure script. 40AC_SUBST(LLVM_COPYRIGHT,["Copyright (c) 2003-2013 University of Illinois at Urbana-Champaign."]) 41AC_COPYRIGHT([Copyright (c) 2003-2013 University of Illinois at Urbana-Champaign.]) 42 43dnl Indicate that we require autoconf 2.60 or later. 44AC_PREREQ(2.60) 45 46dnl Verify that the source directory is valid. This makes sure that we are 47dnl configuring LLVM and not some other package (it validates --srcdir argument) 48AC_CONFIG_SRCDIR([lib/IR/Module.cpp]) 49 50dnl Place all of the extra autoconf files into the config subdirectory. Tell 51dnl various tools where the m4 autoconf macros are. 52AC_CONFIG_AUX_DIR([autoconf]) 53 54dnl Quit if the source directory has already been configured. 55dnl NOTE: This relies upon undocumented autoconf behavior. 56if test ${srcdir} != "." ; then 57 if test -f ${srcdir}/include/llvm/Config/config.h ; then 58 AC_MSG_ERROR([Already configured in ${srcdir}]) 59 fi 60fi 61 62dnl Default to empty (i.e. assigning the null string to) CFLAGS and CXXFLAGS, 63dnl instead of the autoconf default (for example, '-g -O2' for CC=gcc). 64: ${CFLAGS=} 65: ${CXXFLAGS=} 66 67dnl We need to check for the compiler up here to avoid anything else 68dnl starting with a different one. 69AC_PROG_CC(clang llvm-gcc gcc) 70AC_PROG_CXX(clang++ llvm-g++ g++) 71AC_PROG_CPP 72 73dnl If CXX is Clang, check that it can find and parse C++ standard library 74dnl headers. 75if test "$CXX" = "clang++" ; then 76 AC_MSG_CHECKING([whether clang works]) 77 AC_LANG_PUSH([C++]) 78 dnl Note that space between 'include' and '(' is required. There's a broken 79 dnl regex in aclocal that otherwise will think that we call m4's include 80 dnl builtin. 81 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <limits> 82#if __has_include (<cxxabi.h>) 83#include <cxxabi.h> 84#endif 85#if __has_include (<unwind.h>) 86#include <unwind.h> 87#endif 88]])], 89[ 90 AC_MSG_RESULT([yes]) 91], 92[ 93 AC_MSG_RESULT([no]) 94 AC_MSG_ERROR([Selected compiler could not find or parse C++ standard library headers. Rerun with CC=c-compiler CXX=c++-compiler ./configure ...]) 95]) 96 AC_LANG_POP([C++]) 97fi 98 99dnl Configure all of the projects present in our source tree. While we could 100dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a 101dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated. 102dnl Instead we match on the known projects. 103 104dnl 105dnl One tricky part of doing this is that some projects depend upon other 106dnl projects. For example, several projects rely upon the LLVM test suite. 107dnl We want to configure those projects first so that their object trees are 108dnl created before running the configure scripts of projects that depend upon 109dnl them. 110dnl 111 112dnl Several projects use llvm-gcc, so configure that first 113if test -d ${srcdir}/projects/llvm-gcc ; then 114 AC_CONFIG_SUBDIRS([projects/llvm-gcc]) 115fi 116 117dnl Several projects use the LLVM test suite, so configure it next. 118if test -d ${srcdir}/projects/test-suite ; then 119 AC_CONFIG_SUBDIRS([projects/test-suite]) 120fi 121 122dnl llvm-test is the old name of the test-suite, kept here for backwards 123dnl compatibility 124if test -d ${srcdir}/projects/llvm-test ; then 125 AC_CONFIG_SUBDIRS([projects/llvm-test]) 126fi 127 128dnl Some projects use poolalloc; configure that next 129if test -d ${srcdir}/projects/poolalloc ; then 130 AC_CONFIG_SUBDIRS([projects/poolalloc]) 131fi 132 133if test -d ${srcdir}/projects/llvm-poolalloc ; then 134 AC_CONFIG_SUBDIRS([projects/llvm-poolalloc]) 135fi 136 137dnl Check for all other projects 138for i in `ls ${srcdir}/projects` 139do 140 if test -d ${srcdir}/projects/${i} ; then 141 case ${i} in 142 sample) AC_CONFIG_SUBDIRS([projects/sample]) ;; 143 privbracket) AC_CONFIG_SUBDIRS([projects/privbracket]) ;; 144 llvm-stacker) AC_CONFIG_SUBDIRS([projects/llvm-stacker]) ;; 145 llvm-reopt) AC_CONFIG_SUBDIRS([projects/llvm-reopt]);; 146 llvm-java) AC_CONFIG_SUBDIRS([projects/llvm-java]) ;; 147 llvm-tv) AC_CONFIG_SUBDIRS([projects/llvm-tv]) ;; 148 safecode) AC_CONFIG_SUBDIRS([projects/safecode]) ;; 149 llvm-kernel) AC_CONFIG_SUBDIRS([projects/llvm-kernel]) ;; 150 compiler-rt) ;; 151 llvm-gcc) ;; 152 test-suite) ;; 153 llvm-test) ;; 154 poolalloc) ;; 155 llvm-poolalloc) ;; 156 *) 157 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically]) 158 ;; 159 esac 160 fi 161done 162 163dnl Disable the build of polly, even if it is checked out into tools/polly. 164AC_ARG_ENABLE(polly, 165 AS_HELP_STRING([--enable-polly], 166 [Use polly if available (default is YES)]),, 167 enableval=default) 168case "$enableval" in 169 yes) AC_SUBST(ENABLE_POLLY,[1]) ;; 170 no) AC_SUBST(ENABLE_POLLY,[0]) ;; 171 default) AC_SUBST(ENABLE_POLLY,[1]) ;; 172 *) AC_MSG_ERROR([Invalid setting for --enable-polly. Use "yes" or "no"]) ;; 173esac 174 175 176dnl Check if polly is checked out into tools/polly and configure it if 177dnl available. 178if (test -d ${srcdir}/tools/polly) && (test $ENABLE_POLLY -eq 1) ; then 179 AC_SUBST(LLVM_HAS_POLLY,1) 180 AC_CONFIG_SUBDIRS([tools/polly]) 181fi 182 183dnl===-----------------------------------------------------------------------=== 184dnl=== 185dnl=== SECTION 2: Architecture, target, and host checks 186dnl=== 187dnl===-----------------------------------------------------------------------=== 188 189dnl Check the target for which we're compiling and the host that will do the 190dnl compilations. This will tell us which LLVM compiler will be used for 191dnl compiling SSA into object code. This needs to be done early because 192dnl following tests depend on it. 193AC_CANONICAL_TARGET 194 195dnl Determine the platform type and cache its value. This helps us configure 196dnl the System library to the correct build platform. 197AC_CACHE_CHECK([type of operating system we're going to host on], 198 [llvm_cv_os_type], 199[case $host in 200 *-*-aix*) 201 llvm_cv_link_all_option="-Wl,--whole-archive" 202 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 203 llvm_cv_os_type="AIX" 204 llvm_cv_platform_type="Unix" ;; 205 *-*-irix*) 206 llvm_cv_link_all_option="-Wl,--whole-archive" 207 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 208 llvm_cv_os_type="IRIX" 209 llvm_cv_platform_type="Unix" ;; 210 *-*-cygwin*) 211 llvm_cv_link_all_option="-Wl,--whole-archive" 212 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 213 llvm_cv_os_type="Cygwin" 214 llvm_cv_platform_type="Unix" ;; 215 *-*-darwin*) 216 llvm_cv_link_all_option="-Wl,-all_load" 217 llvm_cv_no_link_all_option="-Wl,-noall_load" 218 llvm_cv_os_type="Darwin" 219 llvm_cv_platform_type="Unix" ;; 220 *-*-minix*) 221 llvm_cv_link_all_option="-Wl,-all_load" 222 llvm_cv_no_link_all_option="-Wl,-noall_load" 223 llvm_cv_os_type="Minix" 224 llvm_cv_platform_type="Unix" ;; 225 *-*-freebsd*) 226 llvm_cv_link_all_option="-Wl,--whole-archive" 227 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 228 llvm_cv_os_type="FreeBSD" 229 llvm_cv_platform_type="Unix" ;; 230 *-*-kfreebsd-gnu) 231 llvm_cv_link_all_option="-Wl,--whole-archive" 232 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 233 llvm_cv_os_type="GNU/kFreeBSD" 234 llvm_cv_platform_type="Unix" ;; 235 *-*-openbsd*) 236 llvm_cv_link_all_option="-Wl,--whole-archive" 237 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 238 llvm_cv_os_type="OpenBSD" 239 llvm_cv_platform_type="Unix" ;; 240 *-*-netbsd*) 241 llvm_cv_link_all_option="-Wl,--whole-archive" 242 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 243 llvm_cv_os_type="NetBSD" 244 llvm_cv_platform_type="Unix" ;; 245 *-*-dragonfly*) 246 llvm_cv_link_all_option="-Wl,--whole-archive" 247 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 248 llvm_cv_os_type="DragonFly" 249 llvm_cv_platform_type="Unix" ;; 250 *-*-hpux*) 251 llvm_cv_link_all_option="-Wl,--whole-archive" 252 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 253 llvm_cv_os_type="HP-UX" 254 llvm_cv_platform_type="Unix" ;; 255 *-*-interix*) 256 llvm_cv_link_all_option="-Wl,--whole-archive" 257 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 258 llvm_cv_os_type="Interix" 259 llvm_cv_platform_type="Unix" ;; 260 *-*-linux*) 261 llvm_cv_link_all_option="-Wl,--whole-archive" 262 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 263 llvm_cv_os_type="Linux" 264 llvm_cv_platform_type="Unix" ;; 265 *-*-gnu*) 266 llvm_cv_link_all_option="-Wl,--whole-archive" 267 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 268 llvm_cv_os_type="GNU" 269 llvm_cv_platform_type="Unix" ;; 270 *-*-solaris*) 271 llvm_cv_link_all_option="-Wl,-z,allextract" 272 llvm_cv_no_link_all_option="-Wl,-z,defaultextract" 273 llvm_cv_os_type="SunOS" 274 llvm_cv_platform_type="Unix" ;; 275 *-*-auroraux*) 276 llvm_cv_link_all_option="-Wl,-z,allextract" 277 llvm_cv_link_all_option="-Wl,-z,defaultextract" 278 llvm_cv_os_type="AuroraUX" 279 llvm_cv_platform_type="Unix" ;; 280 *-*-win32*) 281 llvm_cv_link_all_option="-Wl,--whole-archive" 282 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 283 llvm_cv_os_type="Win32" 284 llvm_cv_platform_type="Win32" ;; 285 *-*-mingw*) 286 llvm_cv_link_all_option="-Wl,--whole-archive" 287 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 288 llvm_cv_os_type="MingW" 289 llvm_cv_platform_type="Win32" ;; 290 *-*-haiku*) 291 llvm_cv_link_all_option="-Wl,--whole-archive" 292 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 293 llvm_cv_os_type="Haiku" 294 llvm_cv_platform_type="Unix" ;; 295 *-unknown-eabi*) 296 llvm_cv_link_all_option="-Wl,--whole-archive" 297 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 298 llvm_cv_os_type="Freestanding" 299 llvm_cv_platform_type="Unix" ;; 300 *-unknown-elf*) 301 llvm_cv_link_all_option="-Wl,--whole-archive" 302 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 303 llvm_cv_os_type="Freestanding" 304 llvm_cv_platform_type="Unix" ;; 305 *) 306 llvm_cv_link_all_option="" 307 llvm_cv_no_link_all_option="" 308 llvm_cv_os_type="Unknown" 309 llvm_cv_platform_type="Unknown" ;; 310esac]) 311 312AC_CACHE_CHECK([type of operating system we're going to target], 313 [llvm_cv_target_os_type], 314[case $target in 315 *-*-aix*) 316 llvm_cv_target_os_type="AIX" ;; 317 *-*-irix*) 318 llvm_cv_target_os_type="IRIX" ;; 319 *-*-cygwin*) 320 llvm_cv_target_os_type="Cygwin" ;; 321 *-*-darwin*) 322 llvm_cv_target_os_type="Darwin" ;; 323 *-*-minix*) 324 llvm_cv_target_os_type="Minix" ;; 325 *-*-freebsd*) 326 llvm_cv_target_os_type="FreeBSD" ;; 327 *-*-kfreebsd-gnu) 328 llvm_cv_target_os_type="GNU/kFreeBSD" ;; 329 *-*-openbsd*) 330 llvm_cv_target_os_type="OpenBSD" ;; 331 *-*-netbsd*) 332 llvm_cv_target_os_type="NetBSD" ;; 333 *-*-dragonfly*) 334 llvm_cv_target_os_type="DragonFly" ;; 335 *-*-hpux*) 336 llvm_cv_target_os_type="HP-UX" ;; 337 *-*-interix*) 338 llvm_cv_target_os_type="Interix" ;; 339 *-*-linux*) 340 llvm_cv_target_os_type="Linux" ;; 341 *-*-gnu*) 342 llvm_cv_target_os_type="GNU" ;; 343 *-*-solaris*) 344 llvm_cv_target_os_type="SunOS" ;; 345 *-*-auroraux*) 346 llvm_cv_target_os_type="AuroraUX" ;; 347 *-*-win32*) 348 llvm_cv_target_os_type="Win32" ;; 349 *-*-mingw*) 350 llvm_cv_target_os_type="MingW" ;; 351 *-*-haiku*) 352 llvm_cv_target_os_type="Haiku" ;; 353 *-*-rtems*) 354 llvm_cv_target_os_type="RTEMS" ;; 355 *-*-nacl*) 356 llvm_cv_target_os_type="NativeClient" ;; 357 *-unknown-eabi*) 358 llvm_cv_target_os_type="Freestanding" ;; 359 *) 360 llvm_cv_target_os_type="Unknown" ;; 361esac]) 362 363dnl Make sure we aren't attempting to configure for an unknown system 364if test "$llvm_cv_os_type" = "Unknown" ; then 365 AC_MSG_ERROR([Operating system is unknown, configure can't continue]) 366fi 367 368dnl Set the "OS" Makefile variable based on the platform type so the 369dnl makefile can configure itself to specific build hosts 370AC_SUBST(OS,$llvm_cv_os_type) 371AC_SUBST(HOST_OS,$llvm_cv_os_type) 372AC_SUBST(TARGET_OS,$llvm_cv_target_os_type) 373 374dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform 375AC_SUBST(LINKALL,$llvm_cv_link_all_option) 376AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option) 377 378dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type 379dnl This is used by lib/Support to determine the basic kind of implementation 380dnl to use. 381case $llvm_cv_platform_type in 382 Unix) 383 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform]) 384 AC_SUBST(LLVM_ON_UNIX,[1]) 385 AC_SUBST(LLVM_ON_WIN32,[0]) 386 ;; 387 Win32) 388 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform]) 389 AC_SUBST(LLVM_ON_UNIX,[0]) 390 AC_SUBST(LLVM_ON_WIN32,[1]) 391 ;; 392esac 393 394dnl Determine what our target architecture is and configure accordingly. 395dnl This will allow Makefiles to make a distinction between the hardware and 396dnl the OS. 397AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch], 398[case $target in 399 i?86-*) llvm_cv_target_arch="x86" ;; 400 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;; 401 sparc*-*) llvm_cv_target_arch="Sparc" ;; 402 powerpc*-*) llvm_cv_target_arch="PowerPC" ;; 403 arm*-*) llvm_cv_target_arch="ARM" ;; 404 aarch64*-*) llvm_cv_target_arch="AArch64" ;; 405 mips-* | mips64-*) llvm_cv_target_arch="Mips" ;; 406 mipsel-* | mips64el-*) llvm_cv_target_arch="Mips" ;; 407 xcore-*) llvm_cv_target_arch="XCore" ;; 408 msp430-*) llvm_cv_target_arch="MSP430" ;; 409 hexagon-*) llvm_cv_target_arch="Hexagon" ;; 410 nvptx-*) llvm_cv_target_arch="NVPTX" ;; 411 s390x-*) llvm_cv_target_arch="SystemZ" ;; 412 *) llvm_cv_target_arch="Unknown" ;; 413esac]) 414 415if test "$llvm_cv_target_arch" = "Unknown" ; then 416 AC_MSG_WARN([Configuring LLVM for an unknown target archicture]) 417fi 418 419dnl Determine the LLVM native architecture for the target 420case "$llvm_cv_target_arch" in 421 x86) LLVM_NATIVE_ARCH="X86" ;; 422 x86_64) LLVM_NATIVE_ARCH="X86" ;; 423 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;; 424esac 425 426dnl Define a substitution, ARCH, for the target architecture 427AC_SUBST(ARCH,$llvm_cv_target_arch) 428 429dnl Determine what our host architecture. 430dnl This will allow MCJIT regress tests runs only for supported 431dnl platforms. 432case $host in 433 i?86-*) host_arch="x86" ;; 434 amd64-* | x86_64-*) host_arch="x86_64" ;; 435 sparc*-*) host_arch="Sparc" ;; 436 powerpc*-*) host_arch="PowerPC" ;; 437 arm*-*) host_arch="ARM" ;; 438 aarch64*-*) host_arch="AArch64" ;; 439 mips-* | mips64-*) host_arch="Mips" ;; 440 mipsel-* | mips64el-*) host_arch="Mips" ;; 441 xcore-*) host_arch="XCore" ;; 442 msp430-*) host_arch="MSP430" ;; 443 hexagon-*) host_arch="Hexagon" ;; 444 s390x-*) host_arch="SystemZ" ;; 445 *) host_arch="Unknown" ;; 446esac 447 448if test "$host_arch" = "Unknown" ; then 449 AC_MSG_WARN([Configuring LLVM for an unknown host archicture]) 450fi 451 452AC_SUBST(HOST_ARCH,$host_arch) 453 454dnl Check for the endianness of the target 455AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little])) 456 457dnl Check for build platform executable suffix if we're cross-compiling 458if test "$cross_compiling" = yes; then 459 AC_SUBST(LLVM_CROSS_COMPILING, [1]) 460 AC_BUILD_EXEEXT 461 ac_build_prefix=${build_alias}- 462 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++) 463 if test -z "$BUILD_CXX"; then 464 AC_CHECK_PROG(BUILD_CXX, g++, g++) 465 if test -z "$BUILD_CXX"; then 466 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++) 467 fi 468 fi 469else 470 AC_SUBST(LLVM_CROSS_COMPILING, [0]) 471fi 472 473dnl Check to see if there's a .svn or .git directory indicating that this 474dnl build is being done from a checkout. This sets up several defaults for 475dnl the command line switches. When we build with a checkout directory, 476dnl we get a debug with assertions turned on. Without, we assume a source 477dnl release and we get an optimized build without assertions. 478dnl See --enable-optimized and --enable-assertions below 479if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then 480 cvsbuild="yes" 481 optimize="no" 482 AC_SUBST(CVSBUILD,[[CVSBUILD=1]]) 483else 484 cvsbuild="no" 485 optimize="yes" 486fi 487 488dnl===-----------------------------------------------------------------------=== 489dnl=== 490dnl=== SECTION 3: Command line arguments for the configure script. 491dnl=== 492dnl===-----------------------------------------------------------------------=== 493 494dnl --enable-libcpp : check whether or not to use libc++ on the command line 495AC_ARG_ENABLE(libcpp, 496 AS_HELP_STRING([--enable-libcpp], 497 [Use libc++ if available (default is NO)]),, 498 enableval=default) 499case "$enableval" in 500 yes) AC_SUBST(ENABLE_LIBCPP,[1]) ;; 501 no) AC_SUBST(ENABLE_LIBCPP,[0]) ;; 502 default) AC_SUBST(ENABLE_LIBCPP,[0]);; 503 *) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;; 504esac 505 506dnl --enable-cxx11 : check whether or not to use -std=c++11 on the command line 507AC_ARG_ENABLE(cxx11, 508 AS_HELP_STRING([--enable-cxx11], 509 [Use c++11 if available (default is NO)]),, 510 enableval=default) 511case "$enableval" in 512 yes) AC_SUBST(ENABLE_CXX11,[1]) ;; 513 no) AC_SUBST(ENABLE_CXX11,[0]) ;; 514 default) AC_SUBST(ENABLE_CXX11,[0]);; 515 *) AC_MSG_ERROR([Invalid setting for --enable-cxx11. Use "yes" or "no"]) ;; 516esac 517 518dnl --enable-fission : check whether or not to use -gsplit-dwarf on the command 519dnl line 520AC_ARG_ENABLE(split-dwarf, 521 AS_HELP_STRING([--enable-split-dwarf], 522 [Use split-dwarf if available (default is NO)]),, 523 enableval=default) 524case "$enableval" in 525 yes) AC_SUBST(ENABLE_SPLIT_DWARF,[1]) ;; 526 no) AC_SUBST(ENABLE_SPLIT_DWARF,[0]) ;; 527 default) AC_SUBST(ENABLE_SPLIT_DWARF,[0]);; 528 *) AC_MSG_ERROR([Invalid setting for --enable-split-dwarf. Use "yes" or "no"]) ;; 529esac 530 531dnl --enable-clang-arcmt: check whether to enable clang arcmt 532clang_arcmt="yes" 533AC_ARG_ENABLE(clang-arcmt, 534 AS_HELP_STRING([--enable-clang-arcmt], 535 [Enable building of clang ARCMT (default is YES)]), 536 clang_arcmt="$enableval", 537 enableval="yes") 538case "$enableval" in 539 yes) AC_SUBST(ENABLE_CLANG_ARCMT,[1]) ;; 540 no) AC_SUBST(ENABLE_CLANG_ARCMT,[0]) ;; 541 default) AC_SUBST(ENABLE_CLANG_ARCMT,[1]);; 542 *) AC_MSG_ERROR([Invalid setting for --enable-clang-arcmt. Use "yes" or "no"]) ;; 543esac 544 545dnl --enable-clang-static-analyzer: check whether to enable static-analyzer 546clang_static_analyzer="yes" 547AC_ARG_ENABLE(clang-static-analyzer, 548 AS_HELP_STRING([--enable-clang-static-analyzer], 549 [Enable building of clang Static Analyzer (default is YES)]), 550 clang_static_analyzer="$enableval", 551 enableval="yes") 552case "$enableval" in 553 yes) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]) ;; 554 no) 555 if test ${clang_arcmt} != "no" ; then 556 AC_MSG_ERROR([Cannot enable clang ARC Migration Tool while disabling static analyzer.]) 557 fi 558 AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[0]) 559 ;; 560 default) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]);; 561 *) AC_MSG_ERROR([Invalid setting for --enable-clang-static-analyzer. Use "yes" or "no"]) ;; 562esac 563 564dnl --enable-clang-rewriter: check whether to enable clang rewriter 565AC_ARG_ENABLE(clang-rewriter, 566 AS_HELP_STRING([--enable-clang-rewriter], 567 [Enable building of clang rewriter (default is YES)]),, 568 enableval="yes") 569case "$enableval" in 570 yes) AC_SUBST(ENABLE_CLANG_REWRITER,[1]) ;; 571 no) 572 if test ${clang_arcmt} != "no" ; then 573 AC_MSG_ERROR([Cannot enable clang ARC Migration Tool while disabling rewriter.]) 574 fi 575 if test ${clang_static_analyzer} != "no" ; then 576 AC_MSG_ERROR([Cannot enable clang static analyzer while disabling rewriter.]) 577 fi 578 AC_SUBST(ENABLE_CLANG_REWRITER,[0]) 579 ;; 580 default) AC_SUBST(ENABLE_CLANG_REWRITER,[1]);; 581 *) AC_MSG_ERROR([Invalid setting for --enable-clang-rewriter. Use "yes" or "no"]) ;; 582esac 583 584dnl --enable-optimized : check whether they want to do an optimized build: 585AC_ARG_ENABLE(optimized, AS_HELP_STRING( 586 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize) 587if test ${enableval} = "no" ; then 588 AC_SUBST(ENABLE_OPTIMIZED,[[]]) 589else 590 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]]) 591fi 592 593dnl --enable-profiling : check whether they want to do a profile build: 594AC_ARG_ENABLE(profiling, AS_HELP_STRING( 595 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no") 596if test ${enableval} = "no" ; then 597 AC_SUBST(ENABLE_PROFILING,[[]]) 598else 599 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]]) 600fi 601 602dnl --enable-assertions : check whether they want to turn on assertions or not: 603AC_ARG_ENABLE(assertions,AS_HELP_STRING( 604 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes") 605if test ${enableval} = "yes" ; then 606 AC_SUBST(DISABLE_ASSERTIONS,[[]]) 607else 608 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]]) 609fi 610 611dnl --enable-werror : check whether we want Werror on by default 612AC_ARG_ENABLE(werror,AS_HELP_STRING( 613 --enable-werror,[Compile with -Werror enabled (default is NO)]),, enableval="no") 614case "$enableval" in 615 yes) AC_SUBST(ENABLE_WERROR,[1]) ;; 616 no) AC_SUBST(ENABLE_WERROR,[0]) ;; 617 default) AC_SUBST(ENABLE_WERROR,[0]);; 618 *) AC_MSG_ERROR([Invalid setting for --enable-werror. Use "yes" or "no"]) ;; 619esac 620 621dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks: 622AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING( 623 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no") 624if test ${enableval} = "yes" ; then 625 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]]) 626 AC_SUBST(EXPENSIVE_CHECKS,[[yes]]) 627else 628 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]]) 629 AC_SUBST(EXPENSIVE_CHECKS,[[no]]) 630fi 631 632dnl --enable-debug-runtime : should runtime libraries have debug symbols? 633AC_ARG_ENABLE(debug-runtime, 634 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no) 635if test ${enableval} = "no" ; then 636 AC_SUBST(DEBUG_RUNTIME,[[]]) 637else 638 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]]) 639fi 640 641dnl --enable-debug-symbols : should even optimized compiler libraries 642dnl have debug symbols? 643AC_ARG_ENABLE(debug-symbols, 644 AS_HELP_STRING(--enable-debug-symbols,[Build compiler with debug symbols (default is NO if optimization is on and YES if it's off)]),,enableval=no) 645if test ${enableval} = "no" ; then 646 AC_SUBST(DEBUG_SYMBOLS,[[]]) 647else 648 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]]) 649fi 650 651dnl --enable-keep-symbols : do not strip installed executables 652AC_ARG_ENABLE(keep-symbols, 653 AS_HELP_STRING(--enable-keep-symbols,[Do not strip installed executables)]),,enableval=no) 654if test ${enableval} = "no" ; then 655 AC_SUBST(KEEP_SYMBOLS,[[]]) 656else 657 AC_SUBST(KEEP_SYMBOLS,[[KEEP_SYMBOLS=1]]) 658fi 659 660dnl --enable-jit: check whether they want to enable the jit 661AC_ARG_ENABLE(jit, 662 AS_HELP_STRING(--enable-jit, 663 [Enable Just In Time Compiling (default is YES)]),, 664 enableval=default) 665if test ${enableval} = "no" 666then 667 AC_SUBST(JIT,[[]]) 668else 669 case "$llvm_cv_target_arch" in 670 x86) AC_SUBST(TARGET_HAS_JIT,1) ;; 671 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;; 672 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;; 673 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;; 674 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;; 675 AArch64) AC_SUBST(TARGET_HAS_JIT,0) ;; 676 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;; 677 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;; 678 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;; 679 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;; 680 NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;; 681 SystemZ) AC_SUBST(TARGET_HAS_JIT,1) ;; 682 *) AC_SUBST(TARGET_HAS_JIT,0) ;; 683 esac 684fi 685 686dnl Allow enablement of building and installing docs 687AC_ARG_ENABLE(docs, 688 AS_HELP_STRING([--enable-docs], 689 [Build documents (default is YES)]),, 690 enableval=default) 691case "$enableval" in 692 yes) AC_SUBST(ENABLE_DOCS,[1]) ;; 693 no) AC_SUBST(ENABLE_DOCS,[0]) ;; 694 default) AC_SUBST(ENABLE_DOCS,[1]) ;; 695 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;; 696esac 697 698dnl Allow enablement of doxygen generated documentation 699AC_ARG_ENABLE(doxygen, 700 AS_HELP_STRING([--enable-doxygen], 701 [Build doxygen documentation (default is NO)]),, 702 enableval=default) 703case "$enableval" in 704 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;; 705 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;; 706 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;; 707 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;; 708esac 709 710dnl Allow disablement of threads 711AC_ARG_ENABLE(threads, 712 AS_HELP_STRING([--enable-threads], 713 [Use threads if available (default is YES)]),, 714 enableval=default) 715case "$enableval" in 716 yes) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;; 717 no) AC_SUBST(LLVM_ENABLE_THREADS,[0]) ;; 718 default) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;; 719 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;; 720esac 721AC_DEFINE_UNQUOTED([LLVM_ENABLE_THREADS],$LLVM_ENABLE_THREADS, 722 [Define if threads enabled]) 723 724dnl Allow disablement of pthread.h 725AC_ARG_ENABLE(pthreads, 726 AS_HELP_STRING([--enable-pthreads], 727 [Use pthreads if available (default is YES)]),, 728 enableval=default) 729case "$enableval" in 730 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;; 731 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;; 732 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;; 733 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;; 734esac 735 736dnl Allow disablement of zlib 737AC_ARG_ENABLE(zlib, 738 AS_HELP_STRING([--enable-zlib], 739 [Use zlib for compression/decompression if 740 available (default is YES)]),, 741 enableval=default) 742case "$enableval" in 743 yes) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;; 744 no) AC_SUBST(LLVM_ENABLE_ZLIB,[0]) ;; 745 default) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;; 746 *) AC_MSG_ERROR([Invalid setting for --enable-zlib. Use "yes" or "no"]) ;; 747esac 748AC_DEFINE_UNQUOTED([LLVM_ENABLE_ZLIB],$LLVM_ENABLE_ZLIB, 749 [Define if zlib is enabled]) 750 751dnl Allow building without position independent code 752AC_ARG_ENABLE(pic, 753 AS_HELP_STRING([--enable-pic], 754 [Build LLVM with Position Independent Code (default is YES)]),, 755 enableval=default) 756case "$enableval" in 757 yes) AC_SUBST(ENABLE_PIC,[1]) ;; 758 no) AC_SUBST(ENABLE_PIC,[0]) ;; 759 default) AC_SUBST(ENABLE_PIC,[1]) ;; 760 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;; 761esac 762AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC, 763 [Define if position independent code is enabled]) 764 765dnl Allow building a shared library and linking tools against it. 766AC_ARG_ENABLE(shared, 767 AS_HELP_STRING([--enable-shared], 768 [Build a shared library and link tools against it (default is NO)]),, 769 enableval=default) 770case "$enableval" in 771 yes) AC_SUBST(ENABLE_SHARED,[1]) ;; 772 no) AC_SUBST(ENABLE_SHARED,[0]) ;; 773 default) AC_SUBST(ENABLE_SHARED,[0]) ;; 774 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;; 775esac 776 777dnl Allow libstdc++ is embedded in LLVM.dll. 778AC_ARG_ENABLE(embed-stdcxx, 779 AS_HELP_STRING([--enable-embed-stdcxx], 780 [Build a shared library with embedded libstdc++ for Win32 DLL (default is NO)]),, 781 enableval=default) 782case "$enableval" in 783 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;; 784 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;; 785 default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;; 786 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;; 787esac 788 789dnl Enable embedding timestamp information into build. 790AC_ARG_ENABLE(timestamps, 791 AS_HELP_STRING([--enable-timestamps], 792 [Enable embedding timestamp information in build (default is YES)]),, 793 enableval=default) 794case "$enableval" in 795 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;; 796 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;; 797 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;; 798 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;; 799esac 800AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS, 801 [Define if timestamp information (e.g., __DATE__) is allowed]) 802 803dnl Enable support for showing backtraces. 804AC_ARG_ENABLE(backtraces, AS_HELP_STRING( 805 [--enable-backtraces], 806 [Enable embedding backtraces on crash (default is YES)]), 807 [case "$enableval" in 808 yes) llvm_cv_enable_backtraces="yes" ;; 809 no) llvm_cv_enable_backtraces="no" ;; 810 *) AC_MSG_ERROR([Invalid setting for --enable-backtraces. Use "yes" or "no"]) ;; 811 esac], 812 llvm_cv_enable_backtraces="yes") 813if test "$llvm_cv_enable_backtraces" = "yes" ; then 814 AC_DEFINE([ENABLE_BACKTRACES],[1], 815 [Define if you want backtraces on crash]) 816fi 817 818dnl Enable installing platform specific signal handling overrides, for improved 819dnl CrashRecovery support or interaction with crash reporting software. This 820dnl support may be inappropriate for some clients embedding LLVM as a library. 821AC_ARG_ENABLE(crash-overrides, AS_HELP_STRING( 822 [--enable-crash-overrides], 823 [Enable crash handling overrides (default is YES)]), 824 [case "$enableval" in 825 yes) llvm_cv_enable_crash_overrides="yes" ;; 826 no) llvm_cv_enable_crash_overrides="no" ;; 827 *) AC_MSG_ERROR([Invalid setting for --enable-crash-overrides. Use "yes" or "no"]) ;; 828 esac], 829 llvm_cv_enable_crash_overrides="yes") 830if test "$llvm_cv_enable_crash_overrides" = "yes" ; then 831 AC_DEFINE([ENABLE_CRASH_OVERRIDES],[1], 832 [Define to enable crash handling overrides]) 833fi 834 835dnl Allow specific targets to be specified for building (or not) 836TARGETS_TO_BUILD="" 837AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets], 838 [Build specific host targets: all or target1,target2,... Valid targets are: 839 host, x86, x86_64, sparc, powerpc, arm, aarch64, mips, hexagon, 840 xcore, msp430, nvptx, systemz, r600, and cpp (default=all)]),, 841 enableval=all) 842if test "$enableval" = host-only ; then 843 enableval=host 844fi 845case "$enableval" in 846 all) TARGETS_TO_BUILD="X86 Sparc PowerPC AArch64 ARM Mips XCore MSP430 CppBackend NVPTX Hexagon SystemZ R600" ;; 847 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do 848 case "$a_target" in 849 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; 850 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; 851 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;; 852 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;; 853 aarch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;; 854 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;; 855 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;; 856 mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;; 857 mips64) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;; 858 mips64el) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;; 859 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;; 860 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;; 861 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;; 862 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;; 863 nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;; 864 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;; 865 r600) TARGETS_TO_BUILD="R600 $TARGETS_TO_BUILD" ;; 866 host) case "$llvm_cv_target_arch" in 867 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; 868 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; 869 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;; 870 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;; 871 AArch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;; 872 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;; 873 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;; 874 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;; 875 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;; 876 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;; 877 NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;; 878 SystemZ) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;; 879 *) AC_MSG_ERROR([Can not set target to build]) ;; 880 esac ;; 881 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;; 882 esac 883 done 884 ;; 885esac 886 887AC_ARG_ENABLE([experimental-targets],AS_HELP_STRING([--enable-experimental-targets], 888 [Build experimental host targets: disable or target1,target2,... 889 (default=disable)]),, 890 enableval=disable) 891 892if test ${enableval} != "disable" 893then 894 TARGETS_TO_BUILD="$enableval $TARGETS_TO_BUILD" 895fi 896 897AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD) 898 899dnl Determine whether we are building LLVM support for the native architecture. 900dnl If so, define LLVM_NATIVE_ARCH to that LLVM target. 901for a_target in $TARGETS_TO_BUILD; do 902 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then 903 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH, 904 [LLVM architecture name for the native architecture, if available]) 905 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target" 906 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo" 907 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC" 908 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter" 909 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then 910 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser" 911 fi 912 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then 913 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler" 914 fi 915 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET, 916 [LLVM name for the native Target init function, if available]) 917 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO, 918 [LLVM name for the native TargetInfo init function, if available]) 919 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC, 920 [LLVM name for the native target MC init function, if available]) 921 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER, 922 [LLVM name for the native AsmPrinter init function, if available]) 923 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then 924 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER, 925 [LLVM name for the native AsmParser init function, if available]) 926 fi 927 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then 928 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER, 929 [LLVM name for the native Disassembler init function, if available]) 930 fi 931 fi 932done 933 934dnl Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual 935dnl target feature def files. 936LLVM_ENUM_TARGETS="" 937LLVM_ENUM_ASM_PRINTERS="" 938LLVM_ENUM_ASM_PARSERS="" 939LLVM_ENUM_DISASSEMBLERS="" 940for target_to_build in $TARGETS_TO_BUILD; do 941 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS" 942 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then 943 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS"; 944 fi 945 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then 946 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS"; 947 fi 948 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then 949 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS"; 950 fi 951done 952AC_SUBST(LLVM_ENUM_TARGETS) 953AC_SUBST(LLVM_ENUM_ASM_PRINTERS) 954AC_SUBST(LLVM_ENUM_ASM_PARSERS) 955AC_SUBST(LLVM_ENUM_DISASSEMBLERS) 956 957dnl Override the option to use for optimized builds. 958AC_ARG_WITH(optimize-option, 959 AS_HELP_STRING([--with-optimize-option], 960 [Select the compiler options to use for optimized builds]),, 961 withval=default) 962AC_MSG_CHECKING([optimization flags]) 963case "$withval" in 964 default) 965 case "$llvm_cv_os_type" in 966 FreeBSD) optimize_option=-O2 ;; 967 MingW) optimize_option=-O2 ;; 968 *) optimize_option=-O3 ;; 969 esac ;; 970 *) optimize_option="$withval" ;; 971esac 972AC_SUBST(OPTIMIZE_OPTION,$optimize_option) 973AC_MSG_RESULT([$optimize_option]) 974 975dnl Specify extra build options 976AC_ARG_WITH(extra-options, 977 AS_HELP_STRING([--with-extra-options], 978 [Specify additional options to compile LLVM with]),, 979 withval=default) 980case "$withval" in 981 default) EXTRA_OPTIONS= ;; 982 *) EXTRA_OPTIONS=$withval ;; 983esac 984AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS) 985 986dnl Specify extra linker build options 987AC_ARG_WITH(extra-ld-options, 988 AS_HELP_STRING([--with-extra-ld-options], 989 [Specify additional options to link LLVM with]),, 990 withval=default) 991case "$withval" in 992 default) EXTRA_LD_OPTIONS= ;; 993 *) EXTRA_LD_OPTIONS=$withval ;; 994esac 995AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS) 996 997dnl Allow specific bindings to be specified for building (or not) 998AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings], 999 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),, 1000 enableval=default) 1001BINDINGS_TO_BUILD="" 1002case "$enableval" in 1003 yes | default | auto) BINDINGS_TO_BUILD="auto" ;; 1004 all ) BINDINGS_TO_BUILD="ocaml" ;; 1005 none | no) BINDINGS_TO_BUILD="" ;; 1006 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do 1007 case "$a_binding" in 1008 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;; 1009 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;; 1010 esac 1011 done 1012 ;; 1013esac 1014 1015dnl Allow the ocaml libdir to be overridden. This could go in a configure 1016dnl script for bindings/ocaml/configure, except that its auto value depends on 1017dnl OCAMLC, which is found here to support tests. 1018AC_ARG_WITH([ocaml-libdir], 1019 [AS_HELP_STRING([--with-ocaml-libdir], 1020 [Specify install location for ocaml bindings (default is stdlib)])], 1021 [], 1022 [withval=auto]) 1023case "$withval" in 1024 auto) with_ocaml_libdir="$withval" ;; 1025 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;; 1026 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;; 1027esac 1028 1029AC_ARG_WITH(clang-srcdir, 1030 AS_HELP_STRING([--with-clang-srcdir], 1031 [Directory to the out-of-tree Clang source]),, 1032 withval="-") 1033case "$withval" in 1034 -) clang_src_root="" ;; 1035 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;; 1036 *) clang_src_root="$ac_pwd/$withval" ;; 1037esac 1038AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root]) 1039 1040AC_ARG_WITH(clang-resource-dir, 1041 AS_HELP_STRING([--with-clang-resource-dir], 1042 [Relative directory from the Clang binary for resource files]),, 1043 withval="") 1044AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval", 1045 [Relative directory for resource files]) 1046 1047AC_ARG_WITH(c-include-dirs, 1048 AS_HELP_STRING([--with-c-include-dirs], 1049 [Colon separated list of directories clang will search for headers]),, 1050 withval="") 1051AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval", 1052 [Directories clang will search for headers]) 1053 1054# Clang normally uses the system c++ headers and libraries. With this option, 1055# clang will use the ones provided by a gcc installation instead. This option should 1056# be passed the same value that was used with --prefix when configuring gcc. 1057AC_ARG_WITH(gcc-toolchain, 1058 AS_HELP_STRING([--with-gcc-toolchain], 1059 [Directory where gcc is installed.]),, 1060 withval="") 1061AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval", 1062 [Directory where gcc is installed.]) 1063 1064AC_ARG_WITH(default-sysroot, 1065 AS_HELP_STRING([--with-default-sysroot], 1066 [Add --sysroot=<path> to all compiler invocations.]),, 1067 withval="") 1068AC_DEFINE_UNQUOTED(DEFAULT_SYSROOT,"$withval", 1069 [Default <path> to all compiler invocations for --sysroot=<path>.]) 1070 1071dnl Allow linking of LLVM with GPLv3 binutils code. 1072AC_ARG_WITH(binutils-include, 1073 AS_HELP_STRING([--with-binutils-include], 1074 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),, 1075 withval=default) 1076case "$withval" in 1077 default) WITH_BINUTILS_INCDIR=default ;; 1078 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;; 1079 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;; 1080esac 1081if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then 1082 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR) 1083 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then 1084 echo "$WITH_BINUTILS_INCDIR/plugin-api.h" 1085 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]); 1086 fi 1087fi 1088 1089dnl Specify the URL where bug reports should be submitted. 1090AC_ARG_WITH(bug-report-url, 1091 AS_HELP_STRING([--with-bug-report-url], 1092 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),, 1093 withval="http://llvm.org/bugs/") 1094AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval", 1095 [Bug report URL.]) 1096 1097dnl --enable-terminfo: check whether the user wants to control use of terminfo: 1098AC_ARG_ENABLE(terminfo,AS_HELP_STRING( 1099 [--enable-terminfo], 1100 [Query the terminfo database if available (default is YES)]), 1101 [case "$enableval" in 1102 yes) llvm_cv_enable_terminfo="yes" ;; 1103 no) llvm_cv_enable_terminfo="no" ;; 1104 *) AC_MSG_ERROR([Invalid setting for --enable-terminfo. Use "yes" or "no"]) ;; 1105 esac], 1106 llvm_cv_enable_terminfo="yes") 1107 1108dnl --enable-libffi : check whether the user wants to turn off libffi: 1109AC_ARG_ENABLE(libffi,AS_HELP_STRING( 1110 --enable-libffi,[Check for the presence of libffi (default is NO)]), 1111 [case "$enableval" in 1112 yes) llvm_cv_enable_libffi="yes" ;; 1113 no) llvm_cv_enable_libffi="no" ;; 1114 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;; 1115 esac], 1116 llvm_cv_enable_libffi=no) 1117 1118AC_ARG_WITH(internal-prefix, 1119 AS_HELP_STRING([--with-internal-prefix], 1120 [Installation directory for internal files]),, 1121 withval="") 1122AC_SUBST(INTERNAL_PREFIX,[$withval]) 1123 1124dnl===-----------------------------------------------------------------------=== 1125dnl=== 1126dnl=== SECTION 4: Check for programs we need and that they are the right version 1127dnl=== 1128dnl===-----------------------------------------------------------------------=== 1129 1130AC_PROG_NM 1131AC_SUBST(NM) 1132 1133dnl Check for the tools that the makefiles require 1134AC_CHECK_GNU_MAKE 1135AC_PROG_LN_S 1136AC_PATH_PROG(CMP, [cmp], [cmp]) 1137AC_PATH_PROG(CP, [cp], [cp]) 1138AC_PATH_PROG(DATE, [date], [date]) 1139AC_PATH_PROG(FIND, [find], [find]) 1140AC_PATH_PROG(GREP, [grep], [grep]) 1141AC_PATH_PROG(MKDIR,[mkdir],[mkdir]) 1142AC_PATH_PROG(MV, [mv], [mv]) 1143AC_PROG_RANLIB 1144AC_CHECK_TOOL(AR, ar, false) 1145AC_PATH_PROG(RM, [rm], [rm]) 1146AC_PATH_PROG(SED, [sed], [sed]) 1147AC_PATH_PROG(TAR, [tar], [gtar]) 1148AC_PATH_PROG(BINPWD,[pwd], [pwd]) 1149 1150dnl Looking for misc. graph plotting software 1151AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz]) 1152if test "$GRAPHVIZ" != "echo Graphviz" ; then 1153 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available]) 1154 dnl If we're targeting for mingw we should emit windows paths, not msys 1155 if test "$llvm_cv_os_type" = "MingW" ; then 1156 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1157 fi 1158 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}", 1159 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise]) 1160fi 1161AC_PATH_PROG(DOT, [dot], [echo dot]) 1162if test "$DOT" != "echo dot" ; then 1163 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available]) 1164 dnl If we're targeting for mingw we should emit windows paths, not msys 1165 if test "$llvm_cv_os_type" = "MingW" ; then 1166 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1167 fi 1168 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}", 1169 [Define to path to dot program if found or 'echo dot' otherwise]) 1170fi 1171AC_PATH_PROG(FDP, [fdp], [echo fdp]) 1172if test "$FDP" != "echo fdp" ; then 1173 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available]) 1174 dnl If we're targeting for mingw we should emit windows paths, not msys 1175 if test "$llvm_cv_os_type" = "MingW" ; then 1176 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1177 fi 1178 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}", 1179 [Define to path to fdp program if found or 'echo fdp' otherwise]) 1180fi 1181AC_PATH_PROG(NEATO, [neato], [echo neato]) 1182if test "$NEATO" != "echo neato" ; then 1183 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available]) 1184 dnl If we're targeting for mingw we should emit windows paths, not msys 1185 if test "$llvm_cv_os_type" = "MingW" ; then 1186 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1187 fi 1188 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}", 1189 [Define to path to neato program if found or 'echo neato' otherwise]) 1190fi 1191AC_PATH_PROG(TWOPI, [twopi], [echo twopi]) 1192if test "$TWOPI" != "echo twopi" ; then 1193 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available]) 1194 dnl If we're targeting for mingw we should emit windows paths, not msys 1195 if test "$llvm_cv_os_type" = "MingW" ; then 1196 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1197 fi 1198 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}", 1199 [Define to path to twopi program if found or 'echo twopi' otherwise]) 1200fi 1201AC_PATH_PROG(CIRCO, [circo], [echo circo]) 1202if test "$CIRCO" != "echo circo" ; then 1203 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available]) 1204 dnl If we're targeting for mingw we should emit windows paths, not msys 1205 if test "$llvm_cv_os_type" = "MingW" ; then 1206 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1207 fi 1208 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}", 1209 [Define to path to circo program if found or 'echo circo' otherwise]) 1210fi 1211AC_PATH_PROGS(GV, [gv gsview32], [echo gv]) 1212if test "$GV" != "echo gv" ; then 1213 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available]) 1214 dnl If we're targeting for mingw we should emit windows paths, not msys 1215 if test "$llvm_cv_os_type" = "MingW" ; then 1216 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1217 fi 1218 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}", 1219 [Define to path to gv program if found or 'echo gv' otherwise]) 1220fi 1221AC_PATH_PROG(DOTTY, [dotty], [echo dotty]) 1222if test "$DOTTY" != "echo dotty" ; then 1223 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available]) 1224 dnl If we're targeting for mingw we should emit windows paths, not msys 1225 if test "$llvm_cv_os_type" = "MingW" ; then 1226 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1227 fi 1228 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}", 1229 [Define to path to dotty program if found or 'echo dotty' otherwise]) 1230fi 1231AC_PATH_PROGS(XDOT, [xdot xdot.py], [echo xdot]) 1232if test "$XDOT" != "echo xdot" ; then 1233 AC_DEFINE([HAVE_XDOT],[1],[Define if the xdot program is available]) 1234 dnl If we're targeting for mingw we should emit windows paths, not msys 1235 if test "$llvm_cv_os_type" = "MingW" ; then 1236 XDOT=`echo $XDOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1237 fi 1238 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT],"$XDOT${EXEEXT}", 1239 [Define to path to xdot program if found or 'echo xdot' otherwise]) 1240fi 1241 1242dnl Find the install program 1243AC_PROG_INSTALL 1244dnl Prepend src dir to install path dir if it's a relative path 1245dnl This is a hack for installs that take place in something other 1246dnl than the top level. 1247case "$INSTALL" in 1248 [[\\/$]]* | ?:[[\\/]]* ) ;; 1249 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;; 1250esac 1251 1252dnl Checks for documentation and testing tools that we can do without. If these 1253dnl are not found then they are set to "true" which always succeeds but does 1254dnl nothing. This just lets the build output show that we could have done 1255dnl something if the tool was available. 1256AC_PATH_PROG(BZIP2, [bzip2]) 1257AC_PATH_PROG(CAT, [cat]) 1258AC_PATH_PROG(DOXYGEN, [doxygen]) 1259AC_PATH_PROG(GROFF, [groff]) 1260AC_PATH_PROG(GZIPBIN, [gzip]) 1261AC_PATH_PROG(PDFROFF, [pdfroff]) 1262AC_PATH_PROG(ZIP, [zip]) 1263AC_PATH_PROGS(OCAMLC, [ocamlc]) 1264AC_PATH_PROGS(OCAMLOPT, [ocamlopt]) 1265AC_PATH_PROGS(OCAMLDEP, [ocamldep]) 1266AC_PATH_PROGS(OCAMLDOC, [ocamldoc]) 1267AC_PATH_PROGS(GAS, [gas as]) 1268 1269dnl Get the version of the linker in use. 1270AC_LINK_GET_VERSION 1271 1272dnl Determine whether the linker supports the -R option. 1273AC_LINK_USE_R 1274 1275dnl Determine whether the compiler supports the -rdynamic option. 1276AC_LINK_EXPORT_DYNAMIC 1277 1278dnl Determine whether the linker supports the --version-script option. 1279AC_LINK_VERSION_SCRIPT 1280 1281dnl Check for libtool and the library that has dlopen function (which must come 1282dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with 1283dnl libtool). 1284AC_LIBTOOL_DLOPEN 1285AC_LIB_LTDL 1286 1287AC_MSG_CHECKING([tool compatibility]) 1288 1289dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as 1290dnl ICC; we use GCC specific options in the makefiles so the compiler needs 1291dnl to support those options. 1292dnl "icc" emits gcc signatures 1293dnl "icc -no-gcc" emits no gcc signature BUT is still compatible 1294ICC=no 1295IXX=no 1296case $CC in 1297 icc*|icpc*) 1298 ICC=yes 1299 IXX=yes 1300 ;; 1301 *) 1302 ;; 1303esac 1304 1305if test "$GCC" != "yes" && test "$ICC" != "yes" 1306then 1307 AC_MSG_ERROR([gcc|icc required but not found]) 1308fi 1309 1310dnl Ensure that compilation tools are compatible with GCC extensions 1311if test "$GXX" != "yes" && test "$IXX" != "yes" 1312then 1313 AC_MSG_ERROR([g++|clang++|icc required but not found]) 1314fi 1315 1316dnl Verify that GCC is version 3.0 or higher 1317if test "$GCC" = "yes" 1318then 1319 AC_COMPILE_IFELSE( 1320[ 1321 AC_LANG_SOURCE([[ 1322 #if !defined(__GNUC__) || __GNUC__ < 3 1323 #error Unsupported GCC version 1324 #endif 1325 ]]) 1326], 1327[], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])]) 1328fi 1329 1330dnl Check for GNU Make. We use its extensions, so don't build without it 1331if test -z "$llvm_cv_gnu_make_command" 1332then 1333 AC_MSG_ERROR([GNU Make required but not found]) 1334fi 1335 1336dnl Tool compatibility is okay if we make it here. 1337AC_MSG_RESULT([ok]) 1338 1339dnl Check optional compiler flags. 1340AC_MSG_CHECKING([optional compiler flags]) 1341CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros]) 1342CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers]) 1343CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default]) 1344 1345dnl GCC's potential uninitialized use analysis is weak and presents lots of 1346dnl false positives, so disable it. 1347NO_UNINITIALIZED= 1348NO_MAYBE_UNINITIALIZED= 1349if test "$GXX" = "yes" 1350then 1351 CXX_FLAG_CHECK(NO_MAYBE_UNINITIALIZED, [-Wno-maybe-uninitialized]) 1352 dnl gcc 4.7 introduced -Wmaybe-uninitialized to distinguish cases which are 1353 dnl known to be uninitialized from cases which might be uninitialized. We 1354 dnl still want to catch the first kind of errors. 1355 if test -z "$NO_MAYBE_UNINITIALIZED" 1356 then 1357 CXX_FLAG_CHECK(NO_UNINITIALIZED, [-Wno-uninitialized]) 1358 fi 1359fi 1360AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT $NO_UNINITIALIZED $NO_MAYBE_UNINITIALIZED]) 1361 1362AC_ARG_WITH([python], 1363 [AS_HELP_STRING([--with-python], [path to python])], 1364 [PYTHON="$withval"]) 1365 1366if test -n "$PYTHON" && test -x "$PYTHON" ; then 1367 AC_MSG_CHECKING([for python]) 1368 AC_MSG_RESULT([user defined: $with_python]) 1369else 1370 if test -n "$PYTHON" ; then 1371 AC_MSG_WARN([specified python ($PYTHON) is not usable, searching path]) 1372 fi 1373 1374 AC_PATH_PROG([PYTHON], [python python2 python26], 1375 [AC_MSG_RESULT([not found]) 1376 AC_MSG_ERROR([could not find python 2.5 or higher])]) 1377fi 1378 1379AC_MSG_CHECKING([for python >= 2.5]) 1380ac_python_version=`$PYTHON -V 2>&1 | cut -d' ' -f2` 1381ac_python_version_major=`echo $ac_python_version | cut -d'.' -f1` 1382ac_python_version_minor=`echo $ac_python_version | cut -d'.' -f2` 1383ac_python_version_patch=`echo $ac_python_version | cut -d'.' -f3` 1384if test "$ac_python_version_major" -gt "2" || \ 1385 (test "$ac_python_version_major" -eq "2" && \ 1386 test "$ac_python_version_minor" -ge "5") ; then 1387 AC_MSG_RESULT([$PYTHON ($ac_python_version)]) 1388else 1389 AC_MSG_RESULT([not found]) 1390 AC_MSG_FAILURE([found python $ac_python_version ($PYTHON); required >= 2.5]) 1391fi 1392 1393dnl===-----------------------------------------------------------------------=== 1394dnl=== 1395dnl=== SECTION 5: Check for libraries 1396dnl=== 1397dnl===-----------------------------------------------------------------------=== 1398 1399AC_CHECK_LIB(m,sin) 1400if test "$llvm_cv_os_type" = "MingW" ; then 1401 AC_CHECK_LIB(imagehlp, main) 1402 AC_CHECK_LIB(psapi, main) 1403 AC_CHECK_LIB(shell32, main) 1404fi 1405 1406dnl dlopen() is required for plugin support. 1407AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1], 1408 [Define if dlopen() is available on this platform.]), 1409 AC_MSG_WARN([dlopen() not found - disabling plugin support])) 1410 1411dnl Search for the clock_gettime() function. Note that we rely on the POSIX 1412dnl macros to detect whether clock_gettime is available, this just finds the 1413dnl right libraries to link with. 1414AC_SEARCH_LIBS(clock_gettime,rt) 1415 1416dnl The curses library is optional; used for querying terminal info 1417if test "$llvm_cv_enable_terminfo" = "yes" ; then 1418 dnl We need the has_color functionality in curses for it to be useful. 1419 AC_SEARCH_LIBS(setupterm,tinfo terminfo curses ncurses ncursesw, 1420 AC_DEFINE([HAVE_TERMINFO],[1], 1421 [Define if the setupterm() function is supported this platform.])) 1422fi 1423 1424dnl libffi is optional; used to call external functions from the interpreter 1425if test "$llvm_cv_enable_libffi" = "yes" ; then 1426 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1], 1427 [Define if libffi is available on this platform.]), 1428 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it])) 1429fi 1430 1431dnl mallinfo is optional; the code can compile (minus features) without it 1432AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1], 1433 [Define if mallinfo() is available on this platform.])) 1434 1435dnl pthread locking functions are optional - but llvm will not be thread-safe 1436dnl without locks. 1437if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then 1438 AC_CHECK_LIB(pthread, pthread_mutex_init) 1439 AC_SEARCH_LIBS(pthread_mutex_lock,pthread, 1440 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1], 1441 [Have pthread_mutex_lock])) 1442 AC_SEARCH_LIBS(pthread_rwlock_init,pthread, 1443 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1], 1444 [Have pthread_rwlock_init])) 1445 AC_SEARCH_LIBS(pthread_getspecific,pthread, 1446 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1], 1447 [Have pthread_getspecific])) 1448fi 1449 1450dnl zlib is optional; used for compression/uncompression 1451if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then 1452 AC_CHECK_LIB(z, compress2) 1453fi 1454 1455dnl Allow extra x86-disassembler library 1456AC_ARG_WITH(udis86, 1457 AS_HELP_STRING([--with-udis86=<path>], 1458 [Use udis86 external x86 disassembler library]), 1459 [ 1460 AC_SUBST(USE_UDIS86, [1]) 1461 case "$withval" in 1462 /usr/lib|yes) ;; 1463 *) LDFLAGS="$LDFLAGS -L${withval}" ;; 1464 esac 1465 AC_CHECK_LIB(udis86, ud_init, [], [ 1466 echo "Error! You need to have libudis86 around." 1467 exit -1 1468 ]) 1469 ], 1470 AC_SUBST(USE_UDIS86, [0])) 1471AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86, 1472 [Define if use udis86 library]) 1473 1474dnl Allow OProfile support for JIT output. 1475AC_ARG_WITH(oprofile, 1476 AS_HELP_STRING([--with-oprofile=<prefix>], 1477 [Tell OProfile >= 0.9.4 how to symbolize JIT output]), 1478 [ 1479 AC_SUBST(USE_OPROFILE, [1]) 1480 case "$withval" in 1481 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;; 1482 no) llvm_cv_oppath= 1483 AC_SUBST(USE_OPROFILE, [0]) ;; 1484 *) llvm_cv_oppath="${withval}/lib/oprofile" 1485 CPPFLAGS="-I${withval}/include";; 1486 esac 1487 case $llvm_cv_os_type in 1488 Linux) 1489 if test -n "$llvm_cv_oppath" ; then 1490 LIBS="$LIBS -lopagent -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}" 1491 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744: 1492 dnl libbfd is not included properly in libopagent in some Debian 1493 dnl versions. If libbfd isn't found at all, we assume opagent works 1494 dnl anyway. 1495 AC_SEARCH_LIBS(bfd_init, bfd, [], []) 1496 AC_SEARCH_LIBS(op_open_agent, opagent, [], [ 1497 echo "Error! You need to have libopagent around." 1498 exit -1 1499 ]) 1500 AC_CHECK_HEADER([opagent.h], [], [ 1501 echo "Error! You need to have opagent.h around." 1502 exit -1 1503 ]) 1504 fi ;; 1505 *) 1506 AC_MSG_ERROR([OProfile support is available on Linux only.]) ;; 1507 esac 1508 ], 1509 [ 1510 AC_SUBST(USE_OPROFILE, [0]) 1511 ]) 1512AC_DEFINE_UNQUOTED([LLVM_USE_OPROFILE],$USE_OPROFILE, 1513 [Define if we have the oprofile JIT-support library]) 1514 1515dnl Enable support for Intel JIT Events API. 1516AC_ARG_WITH(intel-jitevents, 1517 AS_HELP_STRING([--with-intel-jitevents Notify Intel JIT profiling API of generated code]), 1518 [ 1519 case "$withval" in 1520 yes) AC_SUBST(USE_INTEL_JITEVENTS,[1]);; 1521 no) AC_SUBST(USE_INTEL_JITEVENTS,[0]);; 1522 *) AC_MSG_ERROR([Invalid setting for --with-intel-jitevents. Use "yes" or "no"]);; 1523 esac 1524 1525 case $llvm_cv_os_type in 1526 Linux|Win32|Cygwin|MingW) ;; 1527 *) AC_MSG_ERROR([Intel JIT API support is available on Linux and Windows only.]);; 1528 esac 1529 1530 case "$llvm_cv_target_arch" in 1531 x86|x86_64) ;; 1532 *) AC_MSG_ERROR([Target architecture $llvm_cv_target_arch does not support Intel JIT Events API.]);; 1533 esac 1534 ], 1535 [ 1536 AC_SUBST(USE_INTEL_JITEVENTS, [0]) 1537 ]) 1538AC_DEFINE_UNQUOTED([LLVM_USE_INTEL_JITEVENTS],$USE_INTEL_JITEVENTS, 1539 [Define if we have the Intel JIT API runtime support library]) 1540 1541dnl Check for libxml2 1542dnl Right now we're just checking for the existence, we could also check for a 1543dnl particular version via --version on xml2-config 1544AC_CHECK_PROGS(XML2CONFIG, xml2-config) 1545 1546AC_MSG_CHECKING(for libxml2 includes) 1547if test "x$XML2CONFIG" = "x"; then 1548 AC_MSG_RESULT(xml2-config not found) 1549else 1550 LIBXML2_INC=`$XML2CONFIG --cflags` 1551 AC_MSG_RESULT($LIBXML2_INC) 1552 AC_CHECK_LIB(xml2, xmlReadFile,[AC_DEFINE([CLANG_HAVE_LIBXML],1,[Define if we have libxml2]) 1553 LIBXML2_LIBS="-lxml2"]) 1554fi 1555AC_SUBST(LIBXML2_LIBS) 1556AC_SUBST(LIBXML2_INC) 1557 1558dnl===-----------------------------------------------------------------------=== 1559dnl=== 1560dnl=== SECTION 6: Check for header files 1561dnl=== 1562dnl===-----------------------------------------------------------------------=== 1563 1564dnl First, use autoconf provided macros for specific headers that we need 1565dnl We don't check for ancient stuff or things that are guaranteed to be there 1566dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers. 1567dnl Generally we're looking for POSIX headers. 1568AC_HEADER_DIRENT 1569AC_HEADER_MMAP_ANONYMOUS 1570AC_HEADER_STAT 1571AC_HEADER_SYS_WAIT 1572AC_HEADER_TIME 1573 1574AC_LANG_PUSH([C++]) 1575AC_CHECK_HEADERS([cxxabi.h]) 1576AC_LANG_POP([C++]) 1577AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h link.h]) 1578AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h]) 1579AC_CHECK_HEADERS([utime.h]) 1580AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h]) 1581AC_CHECK_HEADERS([sys/ioctl.h malloc/malloc.h mach/mach.h]) 1582AC_CHECK_HEADERS([valgrind/valgrind.h]) 1583AC_CHECK_HEADERS([fenv.h]) 1584AC_CHECK_DECLS([FE_ALL_EXCEPT, FE_INEXACT], [], [], [[#include <fenv.h>]]) 1585if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then 1586 AC_CHECK_HEADERS(pthread.h, 1587 AC_SUBST(HAVE_PTHREAD, 1), 1588 AC_SUBST(HAVE_PTHREAD, 0)) 1589else 1590 AC_SUBST(HAVE_PTHREAD, 0) 1591fi 1592if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then 1593 AC_CHECK_HEADERS(zlib.h, 1594 AC_SUBST(HAVE_LIBZ, 1), 1595 AC_SUBST(HAVE_LIBZ, 0)) 1596else 1597 AC_SUBST(HAVE_LIBZ, 0) 1598fi 1599 1600dnl Try to find ffi.h. 1601if test "$llvm_cv_enable_libffi" = "yes" ; then 1602 AC_CHECK_HEADERS([ffi.h ffi/ffi.h]) 1603fi 1604 1605dnl Try to find Darwin specific crash reporting libraries. 1606AC_CHECK_HEADERS([CrashReporterClient.h]) 1607 1608dnl Try to find Darwin specific crash reporting global. 1609AC_MSG_CHECKING([__crashreporter_info__]) 1610AC_LINK_IFELSE( 1611[ 1612 AC_LANG_SOURCE([[ 1613 extern const char *__crashreporter_info__; 1614 int main() { 1615 __crashreporter_info__ = "test"; 1616 return 0; 1617 } 1618 ]]) 1619], 1620[ 1621 AC_MSG_RESULT([yes]) 1622 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [1], [can use __crashreporter_info__]) 1623], 1624[ 1625 AC_MSG_RESULT([no]) 1626 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [0], [can use __crashreporter_info__]) 1627]) 1628 1629dnl===-----------------------------------------------------------------------=== 1630dnl=== 1631dnl=== SECTION 7: Check for types and structures 1632dnl=== 1633dnl===-----------------------------------------------------------------------=== 1634 1635AC_HUGE_VAL_CHECK 1636AC_TYPE_PID_T 1637AC_TYPE_SIZE_T 1638AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').]) 1639AC_STRUCT_TM 1640AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found])) 1641AC_CHECK_TYPES([uint64_t],, 1642 AC_CHECK_TYPES([u_int64_t],, 1643 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found]))) 1644 1645dnl===-----------------------------------------------------------------------=== 1646dnl=== 1647dnl=== SECTION 8: Check for specific functions needed 1648dnl=== 1649dnl===-----------------------------------------------------------------------=== 1650 1651AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ]) 1652AC_CHECK_FUNCS([powf fmodf strtof round ]) 1653AC_CHECK_FUNCS([log log2 log10 exp exp2]) 1654AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ]) 1655AC_CHECK_FUNCS([isatty mkdtemp mkstemp ]) 1656AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit ]) 1657AC_CHECK_FUNCS([strerror strerror_r setenv arc4random ]) 1658AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ]) 1659AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev]) 1660AC_CHECK_FUNCS([futimes futimens]) 1661AC_C_PRINTF_A 1662AC_FUNC_RAND48 1663 1664dnl Check the declaration "Secure API" on Windows environments. 1665AC_CHECK_DECLS([strerror_s]) 1666 1667dnl Check symbols in libgcc.a for JIT on Mingw. 1668if test "$llvm_cv_os_type" = "MingW" ; then 1669 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca])) 1670 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca])) 1671 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk])) 1672 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk])) 1673 1674 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3])) 1675 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3])) 1676 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3])) 1677 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi])) 1678 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi])) 1679 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf])) 1680 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3])) 1681 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3])) 1682 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3])) 1683 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3])) 1684 1685 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main])) 1686 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2])) 1687fi 1688 1689dnl Check Win32 API EnumerateLoadedModules. 1690if test "$llvm_cv_os_type" = "MingW" ; then 1691 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl]) 1692 AC_COMPILE_IFELSE( 1693[ 1694 AC_LANG_SOURCE([[ 1695 #include <windows.h> 1696 #include <imagehlp.h> 1697 extern void foo(PENUMLOADED_MODULES_CALLBACK); 1698 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID)); 1699 ]]) 1700], 1701[ 1702 AC_MSG_RESULT([yes]) 1703 llvm_cv_win32_elmcb_pcstr="PCSTR" 1704], 1705[ 1706 AC_MSG_RESULT([no]) 1707 llvm_cv_win32_elmcb_pcstr="PSTR" 1708]) 1709 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback]) 1710fi 1711 1712dnl Check for variations in the Standard C++ library and STL. These macros are 1713dnl provided by LLVM in the autoconf/m4 directory. 1714AC_FUNC_ISNAN 1715AC_FUNC_ISINF 1716 1717dnl Check for mmap support.We also need to know if /dev/zero is required to 1718dnl be opened for allocating RWX memory. 1719dnl Make sure we aren't attempting to configure for an unknown system 1720if test "$llvm_cv_platform_type" = "Unix" ; then 1721 AC_FUNC_MMAP 1722 AC_FUNC_MMAP_FILE 1723 AC_NEED_DEV_ZERO_FOR_MMAP 1724 1725 if test "$ac_cv_func_mmap_fixed_mapped" = "no" 1726 then 1727 AC_MSG_WARN([mmap() of a fixed address required but not supported]) 1728 fi 1729 if test "$ac_cv_func_mmap_file" = "no" 1730 then 1731 AC_MSG_WARN([mmap() of files required but not found]) 1732 fi 1733fi 1734 1735dnl atomic builtins are required for threading support. 1736AC_MSG_CHECKING(for GCC atomic builtins) 1737dnl Since we'll be using these atomic builtins in C++ files we should test 1738dnl the C++ compiler. 1739AC_LANG_PUSH([C++]) 1740AC_LINK_IFELSE( 1741[ 1742 AC_LANG_SOURCE([[ 1743 int main() { 1744 volatile unsigned long val = 1; 1745 __sync_synchronize(); 1746 __sync_val_compare_and_swap(&val, 1, 0); 1747 __sync_add_and_fetch(&val, 1); 1748 __sync_sub_and_fetch(&val, 1); 1749 return 0; 1750 } 1751 ]]) 1752], 1753[ 1754 AC_MSG_RESULT([yes]) 1755 AC_DEFINE([LLVM_HAS_ATOMICS], [1], [Has gcc/MSVC atomic intrinsics]) 1756], 1757[ 1758 AC_MSG_RESULT([no]) 1759 AC_DEFINE([LLVM_HAS_ATOMICS], [0], [Has gcc/MSVC atomic intrinsics]) 1760 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]) 1761]) 1762AC_LANG_POP([C++]) 1763 1764dnl===-----------------------------------------------------------------------=== 1765dnl=== 1766dnl=== SECTION 9: Additional checks, variables, etc. 1767dnl=== 1768dnl===-----------------------------------------------------------------------=== 1769 1770dnl Handle 32-bit linux systems running a 64-bit kernel. 1771dnl This has to come after section 4 because it invokes the compiler. 1772if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then 1773 AC_IS_LINUX_MIXED 1774 if test "$llvm_cv_linux_mixed" = "yes"; then 1775 llvm_cv_target_arch="x86" 1776 ARCH="x86" 1777 fi 1778fi 1779 1780dnl Check whether __dso_handle is present 1781AC_CHECK_FUNCS([__dso_handle]) 1782 1783dnl Propagate the shared library extension that the libltdl checks did to 1784dnl the Makefiles so we can use it there too 1785AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext) 1786 1787dnl Propagate the run-time library path variable that the libltdl 1788dnl checks found to the Makefiles so we can use it there too 1789AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var) 1790 1791dnl Translate the various configuration directories and other basic 1792dnl information into substitutions that will end up in Makefile.config.in 1793dnl that these configured values can be used by the makefiles 1794if test "${prefix}" = "NONE" ; then 1795 prefix="/usr/local" 1796fi 1797eval LLVM_PREFIX="${prefix}"; 1798eval LLVM_BINDIR="${prefix}/bin"; 1799eval LLVM_DATADIR="${prefix}/share/llvm"; 1800eval LLVM_DOCSDIR="${prefix}/share/doc/llvm"; 1801eval LLVM_ETCDIR="${prefix}/etc/llvm"; 1802eval LLVM_INCLUDEDIR="${prefix}/include"; 1803eval LLVM_INFODIR="${prefix}/info"; 1804eval LLVM_MANDIR="${prefix}/man"; 1805LLVM_CONFIGTIME=`date` 1806AC_SUBST(LLVM_PREFIX) 1807AC_SUBST(LLVM_BINDIR) 1808AC_SUBST(LLVM_DATADIR) 1809AC_SUBST(LLVM_DOCSDIR) 1810AC_SUBST(LLVM_ETCDIR) 1811AC_SUBST(LLVM_INCLUDEDIR) 1812AC_SUBST(LLVM_INFODIR) 1813AC_SUBST(LLVM_MANDIR) 1814AC_SUBST(LLVM_CONFIGTIME) 1815 1816dnl Disable embedding timestamps in the build directory, with ENABLE_TIMESTAMPS. 1817if test "${ENABLE_TIMESTAMPS}" = "0"; then 1818 LLVM_CONFIGTIME="(timestamp not enabled)" 1819fi 1820 1821dnl Place the various directories into the config.h file as #defines so that we 1822dnl can know about the installation paths within LLVM. 1823AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX", 1824 [Installation prefix directory]) 1825AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR", 1826 [Installation directory for binary executables]) 1827AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR", 1828 [Installation directory for data files]) 1829AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR", 1830 [Installation directory for documentation]) 1831AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR", 1832 [Installation directory for config files]) 1833AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR", 1834 [Installation directory for include files]) 1835AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR", 1836 [Installation directory for .info files]) 1837AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR", 1838 [Installation directory for man pages]) 1839AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME", 1840 [Time at which LLVM was configured]) 1841AC_DEFINE_UNQUOTED(LLVM_HOST_TRIPLE, "$host", 1842 [Host triple LLVM will be executed on]) 1843AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target", 1844 [Target triple LLVM will generate code for by default]) 1845 1846dnl Determine which bindings to build. 1847if test "$BINDINGS_TO_BUILD" = auto ; then 1848 BINDINGS_TO_BUILD="" 1849 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then 1850 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" 1851 fi 1852fi 1853AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD) 1854 1855dnl This isn't really configurey, but it avoids having to repeat the list in 1856dnl other files. 1857AC_SUBST(ALL_BINDINGS,ocaml) 1858 1859dnl Do any work necessary to ensure that bindings have what they need. 1860binding_prereqs_failed=0 1861for a_binding in $BINDINGS_TO_BUILD ; do 1862 case "$a_binding" in 1863 ocaml) 1864 if test "x$OCAMLC" = x ; then 1865 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc]) 1866 binding_prereqs_failed=1 1867 fi 1868 if test "x$OCAMLDEP" = x ; then 1869 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep]) 1870 binding_prereqs_failed=1 1871 fi 1872 if test "x$OCAMLOPT" = x ; then 1873 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt]) 1874 dnl ocamlopt is optional! 1875 fi 1876 if test "x$with_ocaml_libdir" != xauto ; then 1877 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir) 1878 else 1879 ocaml_stdlib="`"$OCAMLC" -where`" 1880 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~" 1881 then 1882 # ocaml stdlib is beneath our prefix; use stdlib 1883 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib) 1884 else 1885 # ocaml stdlib is outside our prefix; use libdir/ocaml 1886 AC_SUBST(OCAML_LIBDIR,${prefix}/lib/ocaml) 1887 fi 1888 fi 1889 ;; 1890 esac 1891done 1892if test "$binding_prereqs_failed" = 1 ; then 1893 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.]) 1894fi 1895 1896dnl Determine whether the compiler supports -fvisibility-inlines-hidden. 1897AC_CXX_USE_VISIBILITY_INLINES_HIDDEN 1898 1899dnl Determine linker rpath flag 1900if test "$llvm_cv_link_use_r" = "yes" ; then 1901 RPATH="-Wl,-R" 1902else 1903 RPATH="-Wl,-rpath" 1904fi 1905AC_SUBST(RPATH) 1906 1907dnl Determine linker rdynamic flag 1908if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then 1909 RDYNAMIC="-rdynamic" 1910else 1911 RDYNAMIC="" 1912fi 1913AC_SUBST(RDYNAMIC) 1914 1915dnl===-----------------------------------------------------------------------=== 1916dnl=== 1917dnl=== SECTION 10: Specify the output files and generate it 1918dnl=== 1919dnl===-----------------------------------------------------------------------=== 1920 1921dnl Configure header files 1922dnl WARNING: dnl If you add or remove any of the following config headers, then 1923dnl you MUST also update Makefile so that the variable FilesToConfig 1924dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the 1925dnl files can be updated automatically when their *.in sources change. 1926AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h]) 1927AH_TOP([#ifndef CONFIG_H 1928#define CONFIG_H]) 1929AH_BOTTOM([#endif]) 1930 1931AC_CONFIG_FILES([include/llvm/Config/Targets.def]) 1932AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def]) 1933AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def]) 1934AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def]) 1935AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h]) 1936 1937dnl Configure the makefile's configuration data 1938AC_CONFIG_FILES([Makefile.config]) 1939 1940dnl Configure the RPM spec file for LLVM 1941AC_CONFIG_FILES([llvm.spec]) 1942 1943dnl Configure doxygen's configuration file 1944AC_CONFIG_FILES([docs/doxygen.cfg]) 1945 1946dnl Configure clang, if present 1947if test "${clang_src_root}" = ""; then 1948 clang_src_root="$srcdir/tools/clang" 1949fi 1950if test -f ${clang_src_root}/README.txt; then 1951 dnl Use variables to stay under 80 columns. 1952 configh="include/clang/Config/config.h" 1953 doxy="docs/doxygen.cfg" 1954 AC_CONFIG_HEADERS([tools/clang/${configh}:${clang_src_root}/${configh}.in]) 1955 AC_CONFIG_FILES([tools/clang/${doxy}:${clang_src_root}/${doxy}.in]) 1956fi 1957 1958dnl OCaml findlib META file 1959AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm]) 1960 1961dnl Add --program-prefix value to Makefile.rules. Already an ARG variable. 1962test "x$program_prefix" = "xNONE" && program_prefix="" 1963AC_SUBST([program_prefix]) 1964 1965 1966dnl Do special configuration of Makefiles 1967AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"]) 1968AC_CONFIG_MAKEFILE(Makefile) 1969AC_CONFIG_MAKEFILE(Makefile.common) 1970AC_CONFIG_MAKEFILE(examples/Makefile) 1971AC_CONFIG_MAKEFILE(lib/Makefile) 1972AC_CONFIG_MAKEFILE(test/Makefile) 1973AC_CONFIG_MAKEFILE(test/Makefile.tests) 1974AC_CONFIG_MAKEFILE(unittests/Makefile) 1975AC_CONFIG_MAKEFILE(tools/Makefile) 1976AC_CONFIG_MAKEFILE(utils/Makefile) 1977AC_CONFIG_MAKEFILE(projects/Makefile) 1978AC_CONFIG_MAKEFILE(bindings/Makefile) 1979AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml) 1980 1981dnl Finally, crank out the output 1982AC_OUTPUT 1983