1#### This script is meant to be sourced by ltconfig. 2 3# ltcf-c.sh - Create a C compiler specific configuration 4# 5# Copyright (C) 1996-2000, 2001 Free Software Foundation, Inc. 6# Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996 7# 8# This file is free software; you can redistribute it and/or modify it 9# under the terms of the GNU General Public License as published by 10# the Free Software Foundation; either version 2 of the License, or 11# (at your option) any later version. 12# 13# This program is distributed in the hope that it will be useful, but 14# WITHOUT ANY WARRANTY; without even the implied warranty of 15# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16# General Public License for more details. 17# 18# You should have received a copy of the GNU General Public License 19# along with this program; if not, write to the Free Software 20# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 21# 22# As a special exception to the GNU General Public License, if you 23# distribute this file as part of a program that contains a 24# configuration script generated by Autoconf, you may include it under 25# the same distribution terms that you use for the rest of that program. 26 27 28# Source file extension for C test sources. 29ac_ext=c 30 31# Object file extension for compiled C test sources. 32objext=o 33 34# Code to be used in simple compile tests 35lt_simple_compile_test_code="int some_variable = 0;" 36 37# Code to be used in simple link tests 38lt_simple_link_test_code='main(){return(0);}' 39 40## Linker Characteristics 41case $host_os in 42cygwin* | mingw*) 43 # FIXME: the MSVC++ port hasn't been tested in a loooong time 44 # When not using gcc, we currently assume that we are using 45 # Microsoft Visual C++. 46 if test "$with_gcc" != yes; then 47 with_gnu_ld=no 48 fi 49 ;; 50 51esac 52 53ld_shlibs=yes 54if test "$with_gnu_ld" = yes; then 55 # If archive_cmds runs LD, not CC, wlarc should be empty 56 wlarc='${wl}' 57 58 # See if GNU ld supports shared libraries. 59 case $host_os in 60 aix3* | aix4* | aix5*) 61 # On AIX/PPC, the GNU linker is very broken 62 if test "$host_cpu" != ia64; then 63 ld_shlibs=no 64 cat <<EOF 1>&2 65 66*** Warning: the GNU linker, at least up to release 2.9.1, is reported 67*** to be unable to reliably create shared libraries on AIX. 68*** Therefore, libtool is disabling shared libraries support. If you 69*** really care for shared libraries, you may want to modify your PATH 70*** so that a non-GNU linker is found, and then restart. 71 72EOF 73 fi 74 ;; 75 76 amigaos*) 77 archive_cmds='$rm $output_objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' 78 hardcode_libdir_flag_spec='-L$libdir' 79 hardcode_minus_L=yes 80 81 # Samuel A. Falvo II <kc5tja@dolphin.openprojects.net> reports 82 # that the semantics of dynamic libraries on AmigaOS, at least up 83 # to version 4, is to share data among multiple programs linked 84 # with the same dynamic library. Since this doesn't match the 85 # behavior of shared libraries on other platforms, we can use 86 # them. 87 ld_shlibs=no 88 ;; 89 90 beos*) 91 if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then 92 allow_undefined_flag=unsupported 93 # Joseph Beckenbach <jrb3@best.com> says some releases of gcc 94 # support --undefined. This deserves some investigation. FIXME 95 archive_cmds='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' 96 else 97 ld_shlibs=no 98 fi 99 ;; 100 101 cygwin* | mingw*) 102 # hardcode_libdir_flag_spec is actually meaningless, as there is 103 # no search path for DLLs. 104 hardcode_libdir_flag_spec='-L$libdir' 105 allow_undefined_flag=unsupported 106 always_export_symbols=yes 107 108 extract_expsyms_cmds='test -f $output_objdir/impgen.c || \ 109 sed -e "/^# \/\* impgen\.c starts here \*\//,/^# \/\* impgen.c ends here \*\// { s/^# //; p; }" -e d < $0 > $output_objdir/impgen.c~ 110 test -f $output_objdir/impgen.exe || (cd $output_objdir && \ 111 if test "x$HOST_CC" != "x" ; then $HOST_CC -o impgen impgen.c ; \ 112 else $CC -o impgen impgen.c ; fi)~ 113 $output_objdir/impgen $dir/$soroot > $output_objdir/$soname-def' 114 115 old_archive_from_expsyms_cmds='$DLLTOOL --as=$AS --dllname $soname --def $output_objdir/$soname-def --output-lib $output_objdir/$newlib' 116 117 # cygwin and mingw dlls have different entry points and sets of symbols 118 # to exclude. 119 # FIXME: what about values for MSVC? 120 dll_entry=__cygwin_dll_entry@12 121 dll_exclude_symbols=DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12~ 122 case $host_os in 123 mingw*) 124 # mingw values 125 dll_entry=_DllMainCRTStartup@12 126 dll_exclude_symbols=DllMain@12,DllMainCRTStartup@12,DllEntryPoint@12~ 127 ;; 128 esac 129 130 # mingw and cygwin differ, and it's simplest to just exclude the union 131 # of the two symbol sets. 132 dll_exclude_symbols=DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12,DllMainCRTStartup@12,DllEntryPoint@12 133 134 # recent cygwin and mingw systems supply a stub DllMain which the user 135 # can override, but on older systems we have to supply one (in ltdll.c) 136 if test "x$lt_cv_need_dllmain" = "xyes"; then 137 ltdll_obj='$output_objdir/$soname-ltdll.'"$objext " 138 ltdll_cmds='test -f $output_objdir/$soname-ltdll.c || sed -e "/^# \/\* ltdll\.c starts here \*\//,/^# \/\* ltdll.c ends here \*\// { s/^# //; p; }" -e d < $0 > $output_objdir/$soname-ltdll.c~ 139 test -f $output_objdir/$soname-ltdll.$objext || (cd $output_objdir && $CC -c $soname-ltdll.c)~' 140 else 141 ltdll_obj= 142 ltdll_cmds= 143 fi 144 145 # Extract the symbol export list from an `--export-all' def file, 146 # then regenerate the def file from the symbol export list, so that 147 # the compiled dll only exports the symbol export list. 148 # Be careful not to strip the DATA tag left be newer dlltools. 149 export_symbols_cmds="$ltdll_cmds"' 150 $DLLTOOL --export-all --exclude-symbols '$dll_exclude_symbols' --output-def $output_objdir/$soname-def '$ltdll_obj'$libobjs $convenience~ 151 sed -e "1,/EXPORTS/d" -e "s/ @ [0-9]*//" -e "s/ *;.*$//" < $output_objdir/$soname-def > $export_symbols' 152 153 # If the export-symbols file already is a .def file (1st line 154 # is EXPORTS), use it as is. 155 # If DATA tags from a recent dlltool are present, honour them! 156 archive_expsym_cmds='if test "x`head -1 $export_symbols`" = xEXPORTS; then 157 cp $export_symbols $output_objdir/$soname-def; 158 else 159 echo EXPORTS > $output_objdir/$soname-def; 160 _lt_hint=1; 161 cat $export_symbols | while read symbol; do 162 set dummy \$symbol; 163 case \[$]# in 164 2) echo " \[$]2 @ \$_lt_hint ; " >> $output_objdir/$soname-def;; 165 *) echo " \[$]2 @ \$_lt_hint \[$]3 ; " >> $output_objdir/$soname-def;; 166 esac; 167 _lt_hint=`expr 1 + \$_lt_hint`; 168 done; 169 fi~ 170 '"$ltdll_cmds"' 171 $CC -Wl,--base-file,$output_objdir/$soname-base '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags~ 172 $DLLTOOL --as=$AS --dllname $soname --exclude-symbols '$dll_exclude_symbols' --def $output_objdir/$soname-def --base-file $output_objdir/$soname-base --output-exp $output_objdir/$soname-exp~ 173 $CC -Wl,--base-file,$output_objdir/$soname-base $output_objdir/$soname-exp '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags~ 174 $DLLTOOL --as=$AS --dllname $soname --exclude-symbols '$dll_exclude_symbols' --def $output_objdir/$soname-def --base-file $output_objdir/$soname-base --output-exp $output_objdir/$soname-exp --output-lib $output_objdir/$libname.dll.a~ 175 $CC $output_objdir/$soname-exp '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags' 176 ;; 177 178 darwin* | rhapsody*) 179 allow_undefined_flag='-undefined suppress' 180 archive_cmds='$CC `test .$module = .yes && echo -bundle || echo -dynamiclib` $allow_undefined_flag -o $lib $libobjs $deplibs $linkopts -install_name $rpath/$soname `test -n "$verstring" -a x$verstring != x0.0 && echo $verstring`' 181 # We need to add '_' to the symbols in $export_symbols first 182 #archive_expsym_cmds="$archive_cmds"' && strip -s $export_symbols' 183 hardcode_direct=yes 184 hardcode_shlibpath_var=no 185 whole_archive_flag_spec='-all_load $convenience' 186 ;; 187 188 netbsd*) 189 if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then 190 archive_cmds='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib' 191 wlarc= 192 else 193 archive_cmds='$CC -shared -nodefaultlibs $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' 194 archive_expsym_cmds='$CC -shared -nodefaultlibs $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' 195 fi 196 ;; 197 198 solaris* | sysv5*) 199 if $LD -v 2>&1 | egrep 'BFD 2\.8' > /dev/null; then 200 ld_shlibs=no 201 cat <<EOF 1>&2 202 203*** Warning: The releases 2.8.* of the GNU linker cannot reliably 204*** create shared libraries on Solaris systems. Therefore, libtool 205*** is disabling shared libraries support. We urge you to upgrade GNU 206*** binutils to release 2.9.1 or newer. Another option is to modify 207*** your PATH or compiler configuration so that the native linker is 208*** used, and then restart. 209 210EOF 211 elif $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then 212 archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' 213 archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' 214 else 215 ld_shlibs=no 216 fi 217 ;; 218 219 sunos4*) 220 archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags' 221 wlarc= 222 hardcode_direct=yes 223 hardcode_shlibpath_var=no 224 ;; 225 226 *) 227 if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then 228 archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' 229 archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' 230 else 231 ld_shlibs=no 232 fi 233 ;; 234 esac 235 236 if test "$ld_shlibs" = yes; then 237 runpath_var=LD_RUN_PATH 238 hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir' 239 export_dynamic_flag_spec='${wl}--export-dynamic' 240 case $host_os in 241 cygwin* | mingw*) 242 # dlltool doesn't understand --whole-archive et. al. 243 whole_archive_flag_spec= 244 ;; 245 *) 246 # ancient GNU ld didn't support --whole-archive et. al. 247 if $LD --help 2>&1 | egrep 'no-whole-archive' > /dev/null; then 248 whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive' 249 else 250 whole_archive_flag_spec= 251 fi 252 ;; 253 esac 254 fi 255else 256 # PORTME fill in a description of your system's linker (not GNU ld) 257 case $host_os in 258 aix3*) 259 allow_undefined_flag=unsupported 260 always_export_symbols=yes 261 archive_expsym_cmds='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname' 262 # Note: this linker hardcodes the directories in LIBPATH if there 263 # are no directories specified by -L. 264 hardcode_minus_L=yes 265 if test "$with_gcc" = yes && test -z "$link_static_flag"; then 266 # Neither direct hardcoding nor static linking is supported with a 267 # broken collect2. 268 hardcode_direct=unsupported 269 fi 270 ;; 271 272 aix4* | aix5*) 273 hardcode_direct=yes 274 hardcode_libdir_separator=':' 275 link_all_deplibs=yes 276 # When large executables or shared objects are built, AIX ld can 277 # have problems creating the table of contents. If linking a library 278 # or program results in "error TOC overflow" add -mminimal-toc to 279 # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not 280 # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS. 281 if test "$with_gcc" = yes; then 282 case $host_os in aix4.[012]|aix4.[012].*) 283 # We only want to do this on AIX 4.2 and lower, the check 284 # below for broken collect2 doesn't work under 4.3+ 285 collect2name=`${CC} -print-prog-name=collect2` 286 if test -f "$collect2name" && \ 287 strings "$collect2name" | grep resolve_lib_name >/dev/null 288 then 289 # We have reworked collect2 290 hardcode_direct=yes 291 else 292 # We have old collect2 293 hardcode_direct=unsupported 294 # It fails to find uninstalled libraries when the uninstalled 295 # path is not listed in the libpath. Setting hardcode_minus_L 296 # to unsupported forces relinking 297 hardcode_minus_L=yes 298 hardcode_libdir_flag_spec='-L$libdir' 299 hardcode_libdir_separator= 300 fi 301 esac 302 shared_flag='-shared' 303 else 304 # not using gcc 305 if test "$host_cpu" = ia64; then 306 shared_flag='${wl}-G' 307 else 308 shared_flag='${wl}-bM:SRE' 309 fi 310 fi 311 312 if test "$host_cpu" = ia64; then 313 # On IA64, the linker does run time linking by default, so we don't 314 # have to do anything special. 315 aix_use_runtimelinking=no 316 if test $with_gnu_ld = no; then 317 exp_sym_flag='-Bexport' 318 no_entry_flag="" 319 fi 320 else 321 # Test if we are trying to use run time linking, or normal AIX style linking. 322 # If -brtl is somewhere in LDFLAGS, we need to do run time linking. 323 aix_use_runtimelinking=no 324 for ld_flag in $LDFLAGS; do 325 if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl" ); then 326 aix_use_runtimelinking=yes 327 break 328 fi 329 done 330 exp_sym_flag='-bexport' 331 no_entry_flag='-bnoentry' 332 fi 333 # -bexpall does not export symbols beginning with underscore (_) 334 always_export_symbols=yes 335 if test "$aix_use_runtimelinking" = yes; then 336 # Warning - without using the other run time loading flags (-brtl), -berok will 337 # link without error, but may produce a broken library. 338 allow_undefined_flag=' ${wl}-berok' 339 hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib' 340 archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}$exp_sym_flag:\$export_symbols" 341 else 342 if test "$host_cpu" = ia64; then 343 if test $with_gnu_ld = no; then 344 hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib' 345 allow_undefined_flag="-z nodefs" 346 archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}$exp_sym_flag:\$export_symbols" 347 fi 348 else 349 allow_undefined_flag=' ${wl}-berok' 350 # -bexpall does not export symbols beginning with underscore (_) 351 always_export_symbols=yes 352 # Exported symbols can be pulled into shared objects from archives 353 whole_archive_flag_spec=' ' 354 build_libtool_need_lc=yes 355 hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib' 356 # This is similar to how AIX traditionally builds it's shared libraries. 357 archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${wl}-bE:$export_symbols ${wl}-bnoentry${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname' 358 fi 359 fi 360 ;; 361 362 amigaos*) 363 archive_cmds='$rm $output_objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' 364 hardcode_libdir_flag_spec='-L$libdir' 365 hardcode_minus_L=yes 366 # see comment about different semantics on the GNU ld section 367 ld_shlibs=no 368 ;; 369 370 cygwin* | mingw*) 371 # When not using gcc, we currently assume that we are using 372 # Microsoft Visual C++. 373 # hardcode_libdir_flag_spec is actually meaningless, as there is 374 # no search path for DLLs. 375 hardcode_libdir_flag_spec=' ' 376 allow_undefined_flag=unsupported 377 # Tell ltmain to make .lib files, not .a files. 378 libext=lib 379 # FIXME: Setting linknames here is a bad hack. 380 archive_cmds='$CC -o $lib $libobjs $compiler_flags `echo "$deplibs" | sed -e '\''s/ -lc$//'\''` -link -dll~linknames=' 381 # The linker will automatically build a .lib file if we build a DLL. 382 old_archive_from_new_cmds='true' 383 # FIXME: Should let the user specify the lib program. 384 old_archive_cmds='lib /OUT:$oldlib$oldobjs$old_deplibs' 385 fix_srcfile_path='`cygpath -w "$srcfile"`' 386 ;; 387 388 freebsd1*) 389 ld_shlibs=no 390 ;; 391 392 # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor 393 # support. Future versions do this automatically, but an explicit c++rt0.o 394 # does not break anything, and helps significantly (at the cost of a little 395 # extra space). 396 freebsd2.2*) 397 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o' 398 hardcode_libdir_flag_spec='-R$libdir' 399 hardcode_direct=yes 400 hardcode_shlibpath_var=no 401 ;; 402 403 # Unfortunately, older versions of FreeBSD 2 do not have this feature. 404 freebsd2*) 405 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' 406 hardcode_direct=yes 407 hardcode_minus_L=yes 408 hardcode_shlibpath_var=no 409 ;; 410 411 # FreeBSD 3 and greater uses gcc -shared to do shared libraries. 412 freebsd*) 413 archive_cmds='$CC -shared -o $lib $libobjs $deplibs $compiler_flags' 414 hardcode_libdir_flag_spec='-R$libdir' 415 hardcode_direct=yes 416 hardcode_shlibpath_var=no 417 ;; 418 419 hpux9* | hpux10* | hpux11*) 420 case "$host_cpu" in 421 ia64*) 422 hardcode_direct=no 423 hardcode_shlibpath_var=no 424 archive_cmds='$LD -b +h $soname -o $lib $libobjs $deplibs $linker_flags' 425 hardcode_libdir_flag_spec='-L$libdir' ;; 426 *) 427 if test $with_gcc = yes; then 428 case "$host_os" in 429 hpux9*) archive_cmds='$rm $output_objdir/$soname~$CC -shared -fPIC ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' ;; 430 *) archive_cmds='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' ;; 431 esac 432 else 433 case $host_os in 434 hpux9*) archive_cmds='$rm $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' ;; 435 *) archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' ;; 436 esac 437 fi 438 hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' 439 hardcode_libdir_separator=: 440 hardcode_minus_L=yes # Not in the search PATH, but as the default 441 # location of the library. 442 ;; 443 esac 444 export_dynamic_flag_spec='${wl}-E' 445 hardcode_direct=yes 446 ;; 447 448 irix5* | irix6*) 449 if test "$with_gcc" = yes; then 450 archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib' 451 else 452 archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib' 453 fi 454 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' 455 hardcode_libdir_separator=: 456 link_all_deplibs=yes 457 ;; 458 459 netbsd*) 460 if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then 461 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out 462 else 463 archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF 464 fi 465 hardcode_libdir_flag_spec='-R$libdir' 466 hardcode_direct=yes 467 hardcode_shlibpath_var=no 468 ;; 469 470 newsos6) 471 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts' 472 hardcode_direct=yes 473 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' 474 hardcode_libdir_separator=: 475 hardcode_shlibpath_var=no 476 ;; 477 478 openbsd*) 479 archive_cmds='$CC $pic_flag -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib' 480 archive_expsym_cmds='$CC $pic_flag -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib' 481 hardcode_libdir_flag_spec='${wl}-R$libdir' 482 hardcode_direct=yes 483 hardcode_shlibpath_var=no 484 remove_lgcc=yes 485 output_verbose_link_cmds='$CC $ac_cv_prog_cc_pic -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"' 486 ;; 487 488 os2*) 489 hardcode_libdir_flag_spec='-L$libdir' 490 hardcode_minus_L=yes 491 allow_undefined_flag=unsupported 492 archive_cmds='$echo "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$echo "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~$echo DATA >> $output_objdir/$libname.def~$echo " SINGLE NONSHARED" >> $output_objdir/$libname.def~$echo EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def' 493 old_archive_from_new_cmds='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def' 494 ;; 495 496 osf3*) 497 if test "$with_gcc" = yes; then 498 allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' 499 archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib' 500 else 501 allow_undefined_flag=' -expect_unresolved \*' 502 archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib' 503 fi 504 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' 505 hardcode_libdir_separator=: 506 ;; 507 508 osf4* | osf5*) # as osf3* with the addition of -msym flag 509 if test "$with_gcc" = yes; then 510 allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' 511 archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib' 512 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' 513 else 514 allow_undefined_flag=' -expect_unresolved \*' 515 archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -msym -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib' 516 archive_expsym_cmds='for i in `cat $export_symbols`; do printf "-exported_symbol " >> $lib.exp; echo "\$i" >> $lib.exp; done; echo "-hidden">> $lib.exp~ 517 $LD -shared${allow_undefined_flag} -input $lib.exp $linker_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib~$rm $lib.exp' 518 519 # cc supports -rpath directly 520 hardcode_libdir_flag_spec='-rpath $libdir' 521 fi 522 hardcode_libdir_separator=: 523 ;; 524 525 sco3.2v5*) 526 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' 527 hardcode_shlibpath_var=no 528 runpath_var=LD_RUN_PATH 529 hardcode_runpath_var=yes 530 ;; 531 532 solaris*) 533 no_undefined_flag=' -z defs' 534 if test "$with_gcc" = yes; then 535 archive_cmds='$CC -shared ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' 536 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~ 537 $CC -shared ${wl}-M ${wl}$lib.exp ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags~$rm $lib.exp' 538 else 539 archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags' 540 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~ 541 $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp' 542 fi 543 hardcode_libdir_flag_spec='-R$libdir' 544 hardcode_shlibpath_var=no 545 case $host_os in 546 solaris2.[0-5] | solaris2.[0-5].*) ;; 547 *) # Supported since Solaris 2.6 (maybe 2.5.1?) 548 whole_archive_flag_spec='-z allextract$convenience -z defaultextract' ;; 549 esac 550 link_all_deplibs=yes 551 ;; 552 553 sunos4*) 554 archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags' 555 hardcode_libdir_flag_spec='-L$libdir' 556 hardcode_direct=yes 557 hardcode_minus_L=yes 558 hardcode_shlibpath_var=no 559 ;; 560 561 sysv4) 562 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' 563 runpath_var='LD_RUN_PATH' 564 hardcode_shlibpath_var=no 565 hardcode_direct=no #Motorola manual says yes, but my tests say they lie 566 ;; 567 568 sysv4.3*) 569 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' 570 hardcode_shlibpath_var=no 571 export_dynamic_flag_spec='-Bexport' 572 ;; 573 574 sysv5*) 575 no_undefined_flag=' -z text' 576 # $CC -shared without GNU ld will not create a library from C++ 577 # object files and a static libstdc++, better avoid it by now 578 archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags' 579 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~ 580 $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp' 581 hardcode_libdir_flag_spec= 582 hardcode_shlibpath_var=no 583 runpath_var='LD_RUN_PATH' 584 ;; 585 586 uts4*) 587 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' 588 hardcode_libdir_flag_spec='-L$libdir' 589 hardcode_shlibpath_var=no 590 ;; 591 592 dgux*) 593 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' 594 hardcode_libdir_flag_spec='-L$libdir' 595 hardcode_shlibpath_var=no 596 ;; 597 598 sysv4*MP*) 599 if test -d /usr/nec; then 600 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' 601 hardcode_shlibpath_var=no 602 runpath_var=LD_RUN_PATH 603 hardcode_runpath_var=yes 604 ld_shlibs=yes 605 fi 606 ;; 607 608 sysv4.2uw2*) 609 archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags' 610 hardcode_direct=yes 611 hardcode_minus_L=no 612 hardcode_shlibpath_var=no 613 hardcode_runpath_var=yes 614 runpath_var=LD_RUN_PATH 615 ;; 616 617 sysv5uw7* | unixware7*) 618 no_undefined_flag='${wl}-z ${wl}text' 619 if test "$GCC" = yes; then 620 archive_cmds='$CC -shared ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' 621 else 622 archive_cmds='$CC -G ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' 623 fi 624 runpath_var='LD_RUN_PATH' 625 hardcode_shlibpath_var=no 626 ;; 627 628 *) 629 ld_shlibs=no 630 ;; 631 esac 632fi 633 634## Compiler Characteristics: PIC flags, static flags, etc 635if test "X${ac_cv_prog_cc_pic+set}" = Xset; then 636 : 637else 638 ac_cv_prog_cc_pic= 639 ac_cv_prog_cc_shlib= 640 ac_cv_prog_cc_wl= 641 ac_cv_prog_cc_static= 642 ac_cv_prog_cc_no_builtin= 643 ac_cv_prog_cc_can_build_shared=$can_build_shared 644 645 if test "$with_gcc" = yes; then 646 ac_cv_prog_cc_wl='-Wl,' 647 ac_cv_prog_cc_static='-static' 648 649 case $host_os in 650 aix*) 651 # All AIX code is PIC. 652 if test "$host_cpu" = ia64; then 653 # AIX 5 now supports IA64 processor 654 lt_cv_prog_cc_static='-Bstatic' 655 else 656 lt_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp' 657 fi 658 ;; 659 amigaos*) 660 # FIXME: we need at least 68020 code to build shared libraries, but 661 # adding the `-m68020' flag to GCC prevents building anything better, 662 # like `-m68040'. 663 ac_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4' 664 ;; 665 beos* | irix5* | irix6* | osf3* | osf4* | osf5*) 666 # PIC is the default for these OSes. 667 ;; 668 cygwin* | mingw* | os2*) 669 # This hack is so that the source file can tell whether it is being 670 # built for inclusion in a dll (and should export symbols for example). 671 ac_cv_prog_cc_pic='-DDLL_EXPORT' 672 ;; 673 darwin* | rhapsody*) 674 # PIC is the default on this platform 675 # Common symbols not allowed in MH_DYLIB files 676 lt_cv_prog_cc_pic='-fno-common' 677 ;; 678 *djgpp*) 679 # DJGPP does not support shared libraries at all 680 ac_cv_prog_cc_pic= 681 ;; 682 sysv4*MP*) 683 if test -d /usr/nec; then 684 ac_cv_prog_cc_pic=-Kconform_pic 685 fi 686 ;; 687 *) 688 ac_cv_prog_cc_pic='-fPIC' 689 ;; 690 esac 691 else 692 # PORTME Check for PIC flags for the system compiler. 693 case $host_os in 694 aix*) 695 # All AIX code is PIC. 696 ac_cv_prog_cc_static="$ac_cv_prog_cc_static ${ac_cv_prog_cc_wl}-lC" 697 ;; 698 699 hpux9* | hpux10* | hpux11*) 700 # Is there a better ac_cv_prog_cc_static that works with the bundled CC? 701 ac_cv_prog_cc_wl='-Wl,' 702 ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive" 703 ac_cv_prog_cc_pic='+Z' 704 ;; 705 706 irix5* | irix6*) 707 ac_cv_prog_cc_wl='-Wl,' 708 ac_cv_prog_cc_static='-non_shared' 709 # PIC (with -KPIC) is the default. 710 ;; 711 712 cygwin* | mingw* | os2*) 713 # This hack is so that the source file can tell whether it is being 714 # built for inclusion in a dll (and should export symbols for example). 715 ac_cv_prog_cc_pic='-DDLL_EXPORT' 716 ;; 717 718 newsos6) 719 ac_cv_prog_cc_pic='-KPIC' 720 ac_cv_prog_cc_static='-Bstatic' 721 ;; 722 723 osf3* | osf4* | osf5*) 724 # All OSF/1 code is PIC. 725 ac_cv_prog_cc_wl='-Wl,' 726 ac_cv_prog_cc_static='-non_shared' 727 ;; 728 729 sco3.2v5*) 730 ac_cv_prog_cc_pic='-Kpic' 731 ac_cv_prog_cc_static='-dn' 732 ac_cv_prog_cc_shlib='-belf' 733 ;; 734 735 solaris*) 736 ac_cv_prog_cc_pic='-KPIC' 737 ac_cv_prog_cc_static='-Bstatic' 738 ac_cv_prog_cc_wl='-Wl,' 739 ;; 740 741 sunos4*) 742 ac_cv_prog_cc_pic='-PIC' 743 ac_cv_prog_cc_static='-Bstatic' 744 ac_cv_prog_cc_wl='-Qoption ld ' 745 ;; 746 747 sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) 748 ac_cv_prog_cc_pic='-KPIC' 749 ac_cv_prog_cc_static='-Bstatic' 750 ac_cv_prog_cc_wl='-Wl,' 751 ;; 752 753 uts4*) 754 ac_cv_prog_cc_pic='-pic' 755 ac_cv_prog_cc_static='-Bstatic' 756 ;; 757 758 sysv4*MP*) 759 if test -d /usr/nec ;then 760 ac_cv_prog_cc_pic='-Kconform_pic' 761 ac_cv_prog_cc_static='-Bstatic' 762 fi 763 ;; 764 765 *) 766 ac_cv_prog_cc_can_build_shared=no 767 ;; 768 esac 769 fi 770 case "$host_os" in 771 # Platforms which do not suport PIC and -DPIC is meaningless 772 # on them: 773 *djgpp*) 774 ac_cv_prog_cc_pic= 775 ;; 776 *) 777 ac_cv_prog_cc_pic="$ac_cv_prog_cc_pic -DPIC" 778 ;; 779 esac 780fi 781 782need_lc=yes 783if test "$enable_shared" = yes && test "$with_gcc" = yes; then 784 case $archive_cmds in 785 *'~'*) 786 # FIXME: we may have to deal with multi-command sequences. 787 ;; 788 '$CC '*) 789 # Test whether the compiler implicitly links with -lc since on some 790 # systems, -lgcc has to come before -lc. If gcc already passes -lc 791 # to ld, don't add -lc before -lgcc. 792 echo $ac_n "checking whether -lc should be explicitly linked in... $ac_c" 1>&6 793 if eval "test \"`echo '$''{'ac_cv_archive_cmds_needs_lc'+set}'`\" = set"; then 794 echo $ac_n "(cached) $ac_c" 1>&6 795 need_lc=$ac_cv_archive_cmds_needs_lc 796 else 797 $rm conftest* 798 echo "static int dummy;" > conftest.$ac_ext 799 if { (eval echo ltcf-c.sh:need_lc: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; }; then 800 # Append any warnings to the config.log. 801 cat conftest.err 1>&5 802 soname=conftest 803 lib=conftest 804 libobjs=conftest.$objext 805 deplibs= 806 wl=$ac_cv_prog_cc_wl 807 compiler_flags=-v 808 linker_flags=-v 809 verstring= 810 output_objdir=. 811 libname=conftest 812 save_allow_undefined_flag=$allow_undefined_flag 813 allow_undefined_flag= 814 if { (eval echo ltcf-c.sh:need_lc: \"$archive_cmds\") 1>&5; (eval $archive_cmds) 2>&1 | grep " -lc " 1>&5 ; }; then 815 need_lc=no 816 fi 817 allow_undefined_flag=$save_allow_undefined_flag 818 else 819 cat conftest.err 1>&5 820 fi 821 fi 822 $rm conftest* 823 echo "$ac_t$need_lc" 1>&6 824 ;; 825 esac 826fi 827ac_cv_archive_cmds_needs_lc=$need_lc 828