| dnl Process this with autoconf to create configure |
| |
| AC_PREREQ(2.63) |
| |
| AC_INIT([libffi], [3.0.10rc0], [http://gcc.gnu.org/bugs.html]) |
| AC_CONFIG_HEADERS([fficonfig.h]) |
| |
| AC_CANONICAL_SYSTEM |
| target_alias=${target_alias-$host_alias} |
| |
| . ${srcdir}/configure.host |
| |
| AM_INIT_AUTOMAKE |
| |
| # The same as in boehm-gc and libstdc++. Have to borrow it from there. |
| # We must force CC to /not/ be precious variables; otherwise |
| # the wrong, non-multilib-adjusted value will be used in multilibs. |
| # As a side effect, we have to subst CFLAGS ourselves. |
| # Also save and restore CFLAGS, since AC_PROG_CC will come up with |
| # defaults of its own if none are provided. |
| |
| m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS]) |
| m4_define([_AC_ARG_VAR_PRECIOUS],[]) |
| save_CFLAGS=$CFLAGS |
| AC_PROG_CC |
| CFLAGS=$save_CFLAGS |
| m4_undefine([_AC_ARG_VAR_PRECIOUS]) |
| m4_rename([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS]) |
| |
| AC_SUBST(CFLAGS) |
| |
| AM_PROG_AS |
| AM_PROG_CC_C_O |
| AC_PROG_LIBTOOL |
| AC_CONFIG_MACRO_DIR([m4]) |
| |
| AM_MAINTAINER_MODE |
| |
| AC_CHECK_HEADERS(sys/mman.h) |
| AC_CHECK_FUNCS(mmap) |
| AC_FUNC_MMAP_BLACKLIST |
| |
| dnl The -no-testsuite modules omit the test subdir. |
| AM_CONDITIONAL(TESTSUBDIR, test -d $srcdir/testsuite) |
| |
| TARGETDIR="unknown" |
| case "$host" in |
| alpha*-*-*) |
| TARGET=ALPHA; TARGETDIR=alpha; |
| # Support 128-bit long double, changeable via command-line switch. |
| HAVE_LONG_DOUBLE='defined(__LONG_DOUBLE_128__)' |
| ;; |
| |
| arm*-*-*) |
| TARGET=ARM; TARGETDIR=arm |
| ;; |
| |
| amd64-*-freebsd* | amd64-*-openbsd*) |
| TARGET=X86_64; TARGETDIR=x86 |
| ;; |
| |
| amd64-*-freebsd*) |
| TARGET=X86_64; TARGETDIR=x86 |
| ;; |
| |
| avr32*-*-*) |
| TARGET=AVR32; TARGETDIR=avr32 |
| ;; |
| |
| cris-*-*) |
| TARGET=LIBFFI_CRIS; TARGETDIR=cris |
| ;; |
| |
| frv-*-*) |
| TARGET=FRV; TARGETDIR=frv |
| ;; |
| |
| hppa*-*-linux* | parisc*-*-linux*) |
| TARGET=PA_LINUX; TARGETDIR=pa |
| ;; |
| hppa*64-*-hpux*) |
| TARGET=PA64_HPUX; TARGETDIR=pa |
| ;; |
| hppa*-*-hpux*) |
| TARGET=PA_HPUX; TARGETDIR=pa |
| ;; |
| |
| i?86-*-freebsd* | i?86-*-openbsd*) |
| TARGET=X86_FREEBSD; TARGETDIR=x86 |
| ;; |
| i?86-win32* | i?86-*-cygwin* | i?86-*-mingw* | i?86-*-os2*) |
| TARGET=X86_WIN32; TARGETDIR=x86 |
| # All mingw/cygwin/win32 builds require -no-undefined for sharedlib. |
| # We must also check with_cross_host to decide if this is a native |
| # or cross-build and select where to install dlls appropriately. |
| if test -n "$with_cross_host" && |
| test x"$with_cross_host" != x"no"; then |
| AM_LTLDFLAGS='-no-undefined -bindir "$(toolexeclibdir)"'; |
| else |
| AM_LTLDFLAGS='-no-undefined -bindir "$(bindir)"'; |
| fi |
| ;; |
| i?86-*-darwin*) |
| TARGET=X86_DARWIN; TARGETDIR=x86 |
| ;; |
| i?86-*-solaris2.1[[0-9]]*) |
| TARGET=X86_64; TARGETDIR=x86 |
| ;; |
| i?86-*-*) |
| TARGET=X86; TARGETDIR=x86 |
| ;; |
| |
| ia64*-*-*) |
| TARGET=IA64; TARGETDIR=ia64 |
| ;; |
| |
| m32r*-*-*) |
| TARGET=M32R; TARGETDIR=m32r |
| ;; |
| |
| m68k-*-*) |
| TARGET=M68K; TARGETDIR=m68k |
| ;; |
| |
| mips-sgi-irix5.* | mips-sgi-irix6.*) |
| TARGET=MIPS; TARGETDIR=mips |
| ;; |
| mips*-*-linux*) |
| # Support 128-bit long double for NewABI. |
| HAVE_LONG_DOUBLE='defined(__mips64)' |
| TARGET=MIPS; TARGETDIR=mips |
| ;; |
| |
| powerpc*-*-linux* | powerpc-*-sysv*) |
| TARGET=POWERPC; TARGETDIR=powerpc |
| ;; |
| powerpc-*-beos*) |
| TARGET=POWERPC; TARGETDIR=powerpc |
| ;; |
| powerpc-*-darwin*) |
| TARGET=POWERPC_DARWIN; TARGETDIR=powerpc |
| ;; |
| powerpc-*-aix* | rs6000-*-aix*) |
| TARGET=POWERPC_AIX; TARGETDIR=powerpc |
| ;; |
| powerpc-*-freebsd*) |
| TARGET=POWERPC_FREEBSD; TARGETDIR=powerpc |
| ;; |
| powerpc64-*-freebsd*) |
| TARGET=POWERPC; TARGETDIR=powerpc |
| ;; |
| powerpc*-*-rtems*) |
| TARGET=POWERPC; TARGETDIR=powerpc |
| ;; |
| |
| s390-*-* | s390x-*-*) |
| TARGET=S390; TARGETDIR=s390 |
| ;; |
| |
| sh-*-* | sh[[34]]*-*-*) |
| TARGET=SH; TARGETDIR=sh |
| ;; |
| sh64-*-* | sh5*-*-*) |
| TARGET=SH64; TARGETDIR=sh64 |
| ;; |
| |
| sparc*-*-*) |
| TARGET=SPARC; TARGETDIR=sparc |
| ;; |
| |
| x86_64-*-darwin*) |
| TARGET=X86_DARWIN; TARGETDIR=x86 |
| ;; |
| |
| x86_64-*-cygwin* | x86_64-*-mingw*) |
| TARGET=X86_WIN64; TARGETDIR=x86 |
| ;; |
| |
| x86_64-*-*) |
| TARGET=X86_64; TARGETDIR=x86 |
| ;; |
| esac |
| |
| AC_SUBST(AM_RUNTESTFLAGS) |
| AC_SUBST(AM_LTLDFLAGS) |
| |
| if test $TARGETDIR = unknown; then |
| AC_MSG_ERROR(["libffi has not been ported to $host."]) |
| fi |
| |
| AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS) |
| AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC) |
| AM_CONDITIONAL(X86, test x$TARGET = xX86) |
| AM_CONDITIONAL(X86_FREEBSD, test x$TARGET = xX86_FREEBSD) |
| AM_CONDITIONAL(X86_WIN32, test x$TARGET = xX86_WIN32) |
| AM_CONDITIONAL(X86_WIN64, test x$TARGET = xX86_WIN64) |
| AM_CONDITIONAL(X86_DARWIN, test x$TARGET = xX86_DARWIN) |
| AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA) |
| AM_CONDITIONAL(IA64, test x$TARGET = xIA64) |
| AM_CONDITIONAL(M32R, test x$TARGET = xM32R) |
| AM_CONDITIONAL(M68K, test x$TARGET = xM68K) |
| AM_CONDITIONAL(MOXIE, test x$TARGET = xMOXIE) |
| AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC) |
| AM_CONDITIONAL(POWERPC_AIX, test x$TARGET = xPOWERPC_AIX) |
| AM_CONDITIONAL(POWERPC_DARWIN, test x$TARGET = xPOWERPC_DARWIN) |
| AM_CONDITIONAL(POWERPC_FREEBSD, test x$TARGET = xPOWERPC_FREEBSD) |
| AM_CONDITIONAL(ARM, test x$TARGET = xARM) |
| AM_CONDITIONAL(AVR32, test x$TARGET = xAVR32) |
| AM_CONDITIONAL(LIBFFI_CRIS, test x$TARGET = xLIBFFI_CRIS) |
| AM_CONDITIONAL(FRV, test x$TARGET = xFRV) |
| AM_CONDITIONAL(S390, test x$TARGET = xS390) |
| AM_CONDITIONAL(X86_64, test x$TARGET = xX86_64) |
| AM_CONDITIONAL(SH, test x$TARGET = xSH) |
| AM_CONDITIONAL(SH64, test x$TARGET = xSH64) |
| AM_CONDITIONAL(PA_LINUX, test x$TARGET = xPA_LINUX) |
| AM_CONDITIONAL(PA_HPUX, test x$TARGET = xPA_HPUX) |
| AM_CONDITIONAL(PA64_HPUX, test x$TARGET = xPA64_HPUX) |
| |
| AC_HEADER_STDC |
| AC_CHECK_FUNCS(memcpy) |
| AC_FUNC_ALLOCA |
| |
| AC_CHECK_SIZEOF(double) |
| AC_CHECK_SIZEOF(long double) |
| |
| # Also AC_SUBST this variable for ffi.h. |
| if test -z "$HAVE_LONG_DOUBLE"; then |
| HAVE_LONG_DOUBLE=0 |
| if test $ac_cv_sizeof_double != $ac_cv_sizeof_long_double; then |
| if test $ac_cv_sizeof_long_double != 0; then |
| HAVE_LONG_DOUBLE=1 |
| AC_DEFINE(HAVE_LONG_DOUBLE, 1, [Define if you have the long double type and it is bigger than a double]) |
| fi |
| fi |
| fi |
| AC_SUBST(HAVE_LONG_DOUBLE) |
| |
| AC_C_BIGENDIAN |
| |
| AC_CACHE_CHECK([assembler .cfi pseudo-op support], |
| libffi_cv_as_cfi_pseudo_op, [ |
| libffi_cv_as_cfi_pseudo_op=unknown |
| AC_TRY_COMPILE([asm (".cfi_startproc\n\t.cfi_endproc");],, |
| [libffi_cv_as_cfi_pseudo_op=yes], |
| [libffi_cv_as_cfi_pseudo_op=no]) |
| ]) |
| if test "x$libffi_cv_as_cfi_pseudo_op" = xyes; then |
| AC_DEFINE(HAVE_AS_CFI_PSEUDO_OP, 1, |
| [Define if your assembler supports .cfi_* directives.]) |
| fi |
| |
| if test x$TARGET = xSPARC; then |
| AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs], |
| libffi_cv_as_sparc_ua_pcrel, [ |
| save_CFLAGS="$CFLAGS" |
| save_LDFLAGS="$LDFLAGS" |
| CFLAGS="$CFLAGS -fpic" |
| LDFLAGS="$LDFLAGS -shared" |
| AC_TRY_LINK([asm (".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo); .text");],, |
| [libffi_cv_as_sparc_ua_pcrel=yes], |
| [libffi_cv_as_sparc_ua_pcrel=no]) |
| CFLAGS="$save_CFLAGS" |
| LDFLAGS="$save_LDFLAGS"]) |
| if test "x$libffi_cv_as_sparc_ua_pcrel" = xyes; then |
| AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1, |
| [Define if your assembler and linker support unaligned PC relative relocs.]) |
| fi |
| |
| AC_CACHE_CHECK([assembler .register pseudo-op support], |
| libffi_cv_as_register_pseudo_op, [ |
| libffi_cv_as_register_pseudo_op=unknown |
| # Check if we have .register |
| AC_TRY_COMPILE([asm (".register %g2, #scratch");],, |
| [libffi_cv_as_register_pseudo_op=yes], |
| [libffi_cv_as_register_pseudo_op=no]) |
| ]) |
| if test "x$libffi_cv_as_register_pseudo_op" = xyes; then |
| AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1, |
| [Define if your assembler supports .register.]) |
| fi |
| fi |
| |
| if test x$TARGET = xX86 || test x$TARGET = xX86_WIN32 || test x$TARGET = xX86_64; then |
| AC_CACHE_CHECK([assembler supports pc related relocs], |
| libffi_cv_as_x86_pcrel, [ |
| libffi_cv_as_x86_pcrel=no |
| echo '.text; foo: nop; .data; .long foo-.; .text' > conftest.s |
| if $CC $CFLAGS -c conftest.s > /dev/null; then |
| libffi_cv_as_x86_pcrel=yes |
| fi |
| ]) |
| if test "x$libffi_cv_as_x86_pcrel" = xyes; then |
| AC_DEFINE(HAVE_AS_X86_PCREL, 1, |
| [Define if your assembler supports PC relative relocs.]) |
| fi |
| |
| AC_CACHE_CHECK([assembler .ascii pseudo-op support], |
| libffi_cv_as_ascii_pseudo_op, [ |
| libffi_cv_as_ascii_pseudo_op=unknown |
| # Check if we have .ascii |
| AC_TRY_COMPILE([asm (".ascii \\"string\\"");],, |
| [libffi_cv_as_ascii_pseudo_op=yes], |
| [libffi_cv_as_ascii_pseudo_op=no]) |
| ]) |
| if test "x$libffi_cv_as_ascii_pseudo_op" = xyes; then |
| AC_DEFINE(HAVE_AS_ASCII_PSEUDO_OP, 1, |
| [Define if your assembler supports .ascii.]) |
| fi |
| |
| AC_CACHE_CHECK([assembler .string pseudo-op support], |
| libffi_cv_as_string_pseudo_op, [ |
| libffi_cv_as_string_pseudo_op=unknown |
| # Check if we have .string |
| AC_TRY_COMPILE([asm (".string \\"string\\"");],, |
| [libffi_cv_as_string_pseudo_op=yes], |
| [libffi_cv_as_string_pseudo_op=no]) |
| ]) |
| if test "x$libffi_cv_as_string_pseudo_op" = xyes; then |
| AC_DEFINE(HAVE_AS_STRING_PSEUDO_OP, 1, |
| [Define if your assembler supports .string.]) |
| fi |
| fi |
| |
| if test x$TARGET = xX86_WIN64; then |
| LT_SYS_SYMBOL_USCORE |
| if test "x$sys_symbol_underscore" = xyes; then |
| AC_DEFINE(SYMBOL_UNDERSCORE, 1, [Define if symbols are underscored.]) |
| fi |
| fi |
| |
| case "$target" in |
| *-apple-darwin10* | *-*-freebsd* | *-*-openbsd* | *-pc-solaris*) |
| AC_DEFINE(FFI_MMAP_EXEC_WRIT, 1, |
| [Cannot use malloc on this target, so, we revert to |
| alternative means]) |
| ;; |
| esac |
| |
| if test x$TARGET = xX86_64; then |
| AC_CACHE_CHECK([assembler supports unwind section type], |
| libffi_cv_as_x86_64_unwind_section_type, [ |
| libffi_cv_as_x86_64_unwind_section_type=yes |
| echo '.section .eh_frame,"a",@unwind' > conftest.s |
| if $CC $CFLAGS -c conftest.s 2>&1 | grep -i warning > /dev/null; then |
| libffi_cv_as_x86_64_unwind_section_type=no |
| fi |
| ]) |
| if test "x$libffi_cv_as_x86_64_unwind_section_type" = xyes; then |
| AC_DEFINE(HAVE_AS_X86_64_UNWIND_SECTION_TYPE, 1, |
| [Define if your assembler supports unwind section type.]) |
| fi |
| fi |
| |
| AC_CACHE_CHECK([whether .eh_frame section should be read-only], |
| libffi_cv_ro_eh_frame, [ |
| libffi_cv_ro_eh_frame=no |
| echo 'extern void foo (void); void bar (void) { foo (); foo (); }' > conftest.c |
| if $CC $CFLAGS -S -fpic -fexceptions -o conftest.s conftest.c > /dev/null 2>&1; then |
| if grep '.section.*eh_frame.*"a"' conftest.s > /dev/null; then |
| libffi_cv_ro_eh_frame=yes |
| elif grep '.section.*eh_frame.*#alloc' conftest.c \ |
| | grep -v '#write' > /dev/null; then |
| libffi_cv_ro_eh_frame=yes |
| fi |
| fi |
| rm -f conftest.* |
| ]) |
| if test "x$libffi_cv_ro_eh_frame" = xyes; then |
| AC_DEFINE(HAVE_RO_EH_FRAME, 1, |
| [Define if .eh_frame sections should be read-only.]) |
| AC_DEFINE(EH_FRAME_FLAGS, "a", |
| [Define to the flags needed for the .section .eh_frame directive.]) |
| else |
| AC_DEFINE(EH_FRAME_FLAGS, "aw", |
| [Define to the flags needed for the .section .eh_frame directive.]) |
| fi |
| |
| AC_CACHE_CHECK([for __attribute__((visibility("hidden")))], |
| libffi_cv_hidden_visibility_attribute, [ |
| echo 'int __attribute__ ((visibility ("hidden"))) foo (void) { return 1; }' > conftest.c |
| libffi_cv_hidden_visibility_attribute=no |
| if AC_TRY_COMMAND(${CC-cc} -Werror -S conftest.c -o conftest.s 1>&AS_MESSAGE_LOG_FD); then |
| if grep '\.hidden.*foo' conftest.s >/dev/null; then |
| libffi_cv_hidden_visibility_attribute=yes |
| fi |
| fi |
| rm -f conftest.* |
| ]) |
| if test $libffi_cv_hidden_visibility_attribute = yes; then |
| AC_DEFINE(HAVE_HIDDEN_VISIBILITY_ATTRIBUTE, 1, |
| [Define if __attribute__((visibility("hidden"))) is supported.]) |
| fi |
| |
| AH_BOTTOM([ |
| #ifdef HAVE_HIDDEN_VISIBILITY_ATTRIBUTE |
| #ifdef LIBFFI_ASM |
| #define FFI_HIDDEN(name) .hidden name |
| #else |
| #define FFI_HIDDEN __attribute__ ((visibility ("hidden"))) |
| #endif |
| #else |
| #ifdef LIBFFI_ASM |
| #define FFI_HIDDEN(name) |
| #else |
| #define FFI_HIDDEN |
| #endif |
| #endif |
| ]) |
| |
| AC_SUBST(TARGET) |
| AC_SUBST(TARGETDIR) |
| |
| AC_SUBST(SHELL) |
| |
| AC_ARG_ENABLE(debug, |
| [ --enable-debug debugging mode], |
| if test "$enable_debug" = "yes"; then |
| AC_DEFINE(FFI_DEBUG, 1, [Define this if you want extra debugging.]) |
| fi) |
| AM_CONDITIONAL(FFI_DEBUG, test "$enable_debug" = "yes") |
| |
| AC_ARG_ENABLE(structs, |
| [ --disable-structs omit code for struct support], |
| if test "$enable_structs" = "no"; then |
| AC_DEFINE(FFI_NO_STRUCTS, 1, [Define this is you do not want support for aggregate types.]) |
| fi) |
| |
| AC_ARG_ENABLE(raw-api, |
| [ --disable-raw-api make the raw api unavailable], |
| if test "$enable_raw_api" = "no"; then |
| AC_DEFINE(FFI_NO_RAW_API, 1, [Define this is you do not want support for the raw API.]) |
| fi) |
| |
| AC_ARG_ENABLE(purify-safety, |
| [ --enable-purify-safety purify-safe mode], |
| if test "$enable_purify_safety" = "yes"; then |
| AC_DEFINE(USING_PURIFY, 1, [Define this if you are using Purify and want to suppress spurious messages.]) |
| fi) |
| |
| if test -n "$with_cross_host" && |
| test x"$with_cross_host" != x"no"; then |
| toolexecdir='$(exec_prefix)/$(target_alias)' |
| toolexeclibdir='$(toolexecdir)/lib' |
| else |
| toolexecdir='$(libdir)/gcc-lib/$(target_alias)' |
| toolexeclibdir='$(libdir)' |
| fi |
| multi_os_directory=`$CC -print-multi-os-directory` |
| case $multi_os_directory in |
| .) ;; # Avoid trailing /. |
| *) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;; |
| esac |
| AC_SUBST(toolexecdir) |
| AC_SUBST(toolexeclibdir) |
| |
| if test "${multilib}" = "yes"; then |
| multilib_arg="--enable-multilib" |
| else |
| multilib_arg= |
| fi |
| |
| AC_CONFIG_COMMANDS(include, [test -d include || mkdir include]) |
| AC_CONFIG_COMMANDS(src, [ |
| test -d src || mkdir src |
| test -d src/$TARGETDIR || mkdir src/$TARGETDIR |
| ], [TARGETDIR="$TARGETDIR"]) |
| |
| AC_CONFIG_LINKS(include/ffitarget.h:src/$TARGETDIR/ffitarget.h) |
| |
| AC_CONFIG_FILES(include/Makefile include/ffi.h Makefile testsuite/Makefile man/Makefile libffi.pc) |
| |
| AC_OUTPUT |