1dnl Process this with autoconf to create configure 2 3AC_PREREQ(2.59) 4 5#AC_INIT([libffi], [2.1], [http://gcc.gnu.org/bugs.html]) 6AC_INIT([libffi-sable], esyscmd([svn info | grep ^Revision: | awk '{print $2}' | head -n 1 | xargs echo -n]), [http://www.sablevm.org/]) 7AC_CONFIG_HEADERS([fficonfig.h]) 8 9AC_CANONICAL_SYSTEM 10 11AM_INIT_AUTOMAKE 12 13AC_PROG_CC 14 15AM_PROG_AS 16AM_PROG_CC_C_O 17AC_PROG_LIBTOOL 18 19AM_MAINTAINER_MODE 20 21AC_CHECK_HEADERS(sys/mman.h) 22AC_CHECK_FUNCS(mmap) 23AC_FUNC_MMAP_BLACKLIST 24 25dnl The -no-testsuite modules omit the test subdir. 26AM_CONDITIONAL(TESTSUBDIR, test -d $srcdir/testsuite) 27 28TARGETDIR="unknown" 29case "$host" in 30i*86-*-linux*) TARGET=X86; TARGETDIR=x86;; 31i*86-*-solaris*) TARGET=X86; TARGETDIR=x86;; 32i*86-*-beos*) TARGET=X86; TARGETDIR=x86;; 33i*86-*-freebsd* | i*86-*-kfreebsd*-gnu) TARGET=X86; TARGETDIR=x86;; 34i*86-*-netbsdelf* | i*86-*-knetbsd*-gnu) TARGET=X86; TARGETDIR=x86;; 35i*86-*-win32*) TARGET=X86_WIN32; TARGETDIR=x86;; 36i*86-*-cygwin*) TARGET=X86_WIN32; TARGETDIR=x86;; 37i*86-*-mingw*) TARGET=X86_WIN32; TARGETDIR=x86;; 38frv-*-*) TARGET=FRV; TARGETDIR=frv;; 39sparc-sun-4*) TARGET=SPARC; TARGETDIR=sparc;; 40sparc*-sun-*) TARGET=SPARC; TARGETDIR=sparc;; 41sparc-*-linux* | sparc-*-netbsdelf* | sparc-*-knetbsd*-gnu) TARGET=SPARC; TARGETDIR=sparc;; 42sparc64-*-linux* | sparc64-*-netbsd* | sparc64-*-knetbsd*-gnu) TARGET=SPARC; TARGETDIR=sparc;; 43alpha*-*-linux* | alpha*-*-osf* | alpha*-*-freebsd* | alpha*-*-kfreebsd*-gnu | alpha*-*-netbsd* | alpha*-*-knetbsd*-gnu) TARGET=ALPHA; TARGETDIR=alpha;; 44ia64*-*-*) TARGET=IA64; TARGETDIR=ia64;; 45m32r*-*-linux* ) TARGET=M32R; TARGETDIR=m32r;; 46m68k-*-linux*) TARGET=M68K; TARGETDIR=m68k;; 47mips64*-*);; 48mips-sgi-irix5.* | mips-sgi-irix6.*) TARGET=MIPS_IRIX; TARGETDIR=mips;; 49mips*-*-linux*) TARGET=MIPS_LINUX; TARGETDIR=mips;; 50powerpc*-*-linux* | powerpc-*-sysv*) TARGET=POWERPC; TARGETDIR=powerpc;; 51powerpc-*-beos*) TARGET=POWERPC; TARGETDIR=powerpc;; 52powerpc-*-darwin*) TARGET=POWERPC_DARWIN; TARGETDIR=powerpc;; 53powerpc-*-aix*) TARGET=POWERPC_AIX; TARGETDIR=powerpc;; 54rs6000-*-aix*) TARGET=POWERPC_AIX; TARGETDIR=powerpc;; 55arm*-*-linux-*) TARGET=ARM; TARGETDIR=arm;; 56arm*-*-netbsdelf* | arm*-*-knetbsd*-gnu) TARGET=ARM; TARGETDIR=arm;; 57s390-*-linux-*) TARGET=S390; TARGETDIR=s390;; 58s390x-*-linux-*) TARGET=S390; TARGETDIR=s390;; 59x86_64-*-linux* | x86_64-*-freebsd* | x86_64-*-kfreebsd*-gnu) TARGET=X86_64; TARGETDIR=x86;; 60sh-*-linux* | sh[[34]]*-*-linux*) TARGET=SH; TARGETDIR=sh;; 61sh64-*-linux* | sh5*-*-linux*) TARGET=SH64; TARGETDIR=sh64;; 62hppa-*-linux* | parisc-*-linux*) TARGET=PA; TARGETDIR=pa;; 63esac 64 65AC_SUBST(AM_RUNTESTFLAGS) 66 67if test $TARGETDIR = unknown; then 68 AC_MSG_ERROR(["libffi has not been ported to $host."]) 69fi 70 71AM_CONDITIONAL(MIPS_IRIX, test x$TARGET = xMIPS_IRIX) 72AM_CONDITIONAL(MIPS_LINUX, test x$TARGET = xMIPS_LINUX) 73AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC) 74AM_CONDITIONAL(X86, test x$TARGET = xX86) 75AM_CONDITIONAL(X86_WIN32, test x$TARGET = xX86_WIN32) 76AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA) 77AM_CONDITIONAL(IA64, test x$TARGET = xIA64) 78AM_CONDITIONAL(M32R, test x$TARGET = xM32R) 79AM_CONDITIONAL(M68K, test x$TARGET = xM68K) 80AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC) 81AM_CONDITIONAL(POWERPC_AIX, test x$TARGET = xPOWERPC_AIX) 82AM_CONDITIONAL(POWERPC_DARWIN, test x$TARGET = xPOWERPC_DARWIN) 83AM_CONDITIONAL(ARM, test x$TARGET = xARM) 84AM_CONDITIONAL(FRV, test x$TARGET = xFRV) 85AM_CONDITIONAL(S390, test x$TARGET = xS390) 86AM_CONDITIONAL(X86_64, test x$TARGET = xX86_64) 87AM_CONDITIONAL(SH, test x$TARGET = xSH) 88AM_CONDITIONAL(SH64, test x$TARGET = xSH64) 89AM_CONDITIONAL(PA, test x$TARGET = xPA) 90 91case x$TARGET in 92 xMIPS*) TARGET=MIPS ;; 93 *) ;; 94esac 95 96AC_HEADER_STDC 97AC_CHECK_FUNCS(memcpy) 98AC_FUNC_ALLOCA 99 100AC_COMPILE_CHECK_SIZEOF(double) 101AC_COMPILE_CHECK_SIZEOF(long double) 102 103# Also AC_SUBST this variable for ffi.h. 104HAVE_LONG_DOUBLE=0 105if test $ac_cv_sizeof_double != $ac_cv_sizeof_long_double; then 106 if test $ac_cv_sizeof_long_double != 0; then 107 HAVE_LONG_DOUBLE=1 108 AC_DEFINE(HAVE_LONG_DOUBLE, 1, [Define if you have the long double type and it is bigger than a double]) 109 fi 110fi 111AC_SUBST(HAVE_LONG_DOUBLE) 112 113AC_C_BIGENDIAN_CROSS 114 115if test x$TARGET = xSPARC; then 116 AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs], 117 libffi_cv_as_sparc_ua_pcrel, [ 118 save_CFLAGS="$CFLAGS" 119 save_LDFLAGS="$LDFLAGS" 120 CFLAGS="$CFLAGS -fpic" 121 LDFLAGS="$LDFLAGS -shared" 122 AC_TRY_LINK([asm (".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo); .text");],, 123 [libffi_cv_as_sparc_ua_pcrel=yes], 124 [libffi_cv_as_sparc_ua_pcrel=no]) 125 CFLAGS="$save_CFLAGS" 126 LDFLAGS="$save_LDFLAGS"]) 127 if test "x$libffi_cv_as_sparc_ua_pcrel" = xyes; then 128 AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1, 129 [Define if your assembler and linker support unaligned PC relative relocs.]) 130 fi 131 132 AC_CACHE_CHECK([assembler .register pseudo-op support], 133 libffi_cv_as_register_pseudo_op, [ 134 libffi_cv_as_register_pseudo_op=unknown 135 # Check if we have .register 136 AC_TRY_COMPILE([asm (".register %g2, #scratch");],, 137 [libffi_cv_as_register_pseudo_op=yes], 138 [libffi_cv_as_register_pseudo_op=no]) 139 ]) 140 if test "x$libffi_cv_as_register_pseudo_op" = xyes; then 141 AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1, 142 [Define if your assembler supports .register.]) 143 fi 144fi 145 146AC_CACHE_CHECK([whether .eh_frame section should be read-only], 147 libffi_cv_ro_eh_frame, [ 148 libffi_cv_ro_eh_frame=no 149 echo 'extern void foo (void); void bar (void) { foo (); foo (); }' > conftest.c 150 if $CC $CFLAGS -S -fpic -fexceptions -o conftest.s conftest.c > /dev/null 2>&1; then 151 if grep '.section.*eh_frame.*"a"' conftest.s > /dev/null; then 152 libffi_cv_ro_eh_frame=yes 153 elif grep '.section.*eh_frame.*#alloc' conftest.c \ 154 | grep -v '#write' > /dev/null; then 155 libffi_cv_ro_eh_frame=yes 156 fi 157 fi 158 rm -f conftest.* 159 ]) 160if test "x$libffi_cv_ro_eh_frame" = xyes; then 161 AC_DEFINE(HAVE_RO_EH_FRAME, 1, 162 [Define if .eh_frame sections should be read-only.]) 163 AC_DEFINE(EH_FRAME_FLAGS, "a", 164 [Define to the flags needed for the .section .eh_frame directive.]) 165else 166 AC_DEFINE(EH_FRAME_FLAGS, "aw", 167 [Define to the flags needed for the .section .eh_frame directive.]) 168fi 169 170AC_SUBST(TARGET) 171AC_SUBST(TARGETDIR) 172 173AC_SUBST(SHELL) 174 175AC_ARG_ENABLE(debug, 176[ --enable-debug debugging mode], 177 if test "$enable_debug" = "yes"; then 178 AC_DEFINE(FFI_DEBUG, 1, [Define this if you want extra debugging.]) 179 fi) 180 181AC_ARG_ENABLE(structs, 182[ --disable-structs omit code for struct support], 183 if test "$enable_structs" = "no"; then 184 AC_DEFINE(FFI_NO_STRUCTS, 1, [Define this is you do not want support for aggregate types.]) 185 fi) 186 187AC_ARG_ENABLE(raw-api, 188[ --disable-raw-api make the raw api unavailable], 189 if test "$enable_raw_api" = "no"; then 190 AC_DEFINE(FFI_NO_RAW_API, 1, [Define this is you do not want support for the raw API.]) 191 fi) 192 193AC_ARG_ENABLE(purify-safety, 194[ --enable-purify-safety purify-safe mode], 195 if test "$enable_purify_safety" = "yes"; then 196 AC_DEFINE(USING_PURIFY, 1, [Define this if you are using Purify and want to suppress spurious messages.]) 197 fi) 198 199AC_ARG_ENABLE(convenience-only-libffi, 200[ --enable-convenience-only-libffi only build convenience library]) 201AM_CONDITIONAL(CONV_ONLY_LIBFFI, test "$enable_convenience_only_libffi" = "yes") 202 203dnl Check whether -no-undefined is required 204case "$host" in 205 *-*-mingw*|*-*-cygwin*) AC_SUBST(NO_UNDEFINED, -no-undefined) ;; 206 *) ;; 207esac 208 209AC_CONFIG_COMMANDS(include, [test -d include || mkdir include]) 210AC_CONFIG_COMMANDS(src, [ 211test -d src || mkdir src 212test -d src/$TARGETDIR || mkdir src/$TARGETDIR 213], [TARGETDIR="$TARGETDIR"]) 214 215AC_CONFIG_LINKS(include/ffitarget.h:src/$TARGETDIR/ffitarget.h) 216 217AC_CONFIG_FILES(include/Makefile include/ffi.h Makefile testsuite/Makefile) 218 219AC_OUTPUT 220