Edit
kc3-lang/libffi/configure.ac
Anthony Green
- configure.ac
-
dnl Process this with autoconf to create configure AC_PREREQ(2.68) AC_INIT([libffi], [3.0.13-rc2], [http://github.com/atgreen/libffi/issues]) AC_CONFIG_HEADERS([fficonfig.h]) AC_CANONICAL_SYSTEM target_alias=${target_alias-$host_alias} . ${srcdir}/configure.host AX_ENABLE_BUILDDIR AM_INIT_AUTOMAKE # The same as in boehm-gc and libstdc++. Have to borrow it from there. # We must force CC to /not/ be precious variables; otherwise # the wrong, non-multilib-adjusted value will be used in multilibs. # As a side effect, we have to subst CFLAGS ourselves. # Also save and restore CFLAGS, since AC_PROG_CC will come up with # defaults of its own if none are provided. m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS]) m4_define([_AC_ARG_VAR_PRECIOUS],[]) save_CFLAGS=$CFLAGS AC_PROG_CC CFLAGS=$save_CFLAGS m4_undefine([_AC_ARG_VAR_PRECIOUS]) m4_rename_force([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS]) AC_SUBST(CFLAGS) AM_PROG_AS AM_PROG_CC_C_O AC_PROG_LIBTOOL AC_CONFIG_MACRO_DIR([m4]) # Test for 64-bit build. AC_CHECK_SIZEOF([size_t]) AX_COMPILER_VENDOR AX_CC_MAXOPT # The AX_CFLAGS_WARN_ALL macro doesn't currently work for sunpro # compiler. if test "$ax_cv_c_compiler_vendor" != "sun"; then AX_CFLAGS_WARN_ALL fi if test "x$GCC" = "xyes"; then CFLAGS="$CFLAGS -fexceptions" touch local.exp else cat > local.exp <<EOF set CC_FOR_TARGET "$CC" EOF fi 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 aarch64*-*-*) TARGET=AARCH64; TARGETDIR=aarch64 ;; 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 ;; amd64-*-freebsd*) TARGET=X86_64; TARGETDIR=x86 ;; avr32*-*-*) TARGET=AVR32; TARGETDIR=avr32 ;; bfin*) TARGET=BFIN; TARGETDIR=bfin ;; cris-*-*) TARGET=LIBFFI_CRIS; TARGETDIR=cris ;; frv-*-*) TARGET=FRV; TARGETDIR=frv ;; hppa*-*-linux* | parisc*-*-linux* | hppa*-*-openbsd*) 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* | i?86-*-interix*) 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]]*) TARGETDIR=x86 if test $ac_cv_sizeof_size_t = 4; then TARGET=X86; else TARGET=X86_64; fi ;; x86_64-*-darwin*) TARGET=X86_DARWIN; TARGETDIR=x86 ;; x86_64-*-cygwin* | x86_64-*-mingw*) TARGET=X86_WIN64; TARGETDIR=x86 # All mingw/cygwin/win32 builds require -no-undefined for sharedlib. # We must also check with_cross_host to decide if this is a native # or cross-build and select where to install dlls appropriately. if test -n "$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-*-* | x86_64-*-*) TARGETDIR=x86 if test $ac_cv_sizeof_size_t = 4; then case "$host" in *-gnux32) TARGET=X86_64 ;; *) TARGET=X86 ;; esac else TARGET=X86_64; fi ;; ia64*-*-*) TARGET=IA64; TARGETDIR=ia64 ;; m32r*-*-*) TARGET=M32R; TARGETDIR=m32r ;; m68k-*-*) TARGET=M68K; TARGETDIR=m68k ;; microblaze*-*-*) TARGET=MICROBLAZE; TARGETDIR=microblaze ;; moxie-*-*) TARGET=MOXIE; TARGETDIR=moxie ;; metag-*-*) TARGET=METAG; TARGETDIR=metag ;; mips-sgi-irix5.* | mips-sgi-irix6.* | mips*-*-rtems*) TARGET=MIPS; TARGETDIR=mips ;; mips*-*-linux* | mips*-*-openbsd*) # 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-*-amigaos*) TARGET=POWERPC; TARGETDIR=powerpc ;; powerpc-*-beos*) TARGET=POWERPC; TARGETDIR=powerpc ;; powerpc-*-darwin* | powerpc64-*-darwin*) TARGET=POWERPC_DARWIN; TARGETDIR=powerpc ;; powerpc-*-aix* | rs6000-*-aix*) TARGET=POWERPC_AIX; TARGETDIR=powerpc ;; powerpc-*-freebsd* | powerpc-*-openbsd*) 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 ;; tile*-*) TARGET=TILE; TARGETDIR=tile ;; xtensa*-*) TARGET=XTENSA; TARGETDIR=xtensa ;; 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(BFIN, test x$TARGET = xBFIN) AM_CONDITIONAL(SPARC, test x$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$TARGET = xM68K) AM_CONDITIONAL(MICROBLAZE, test x$TARGET = xMICROBLAZE) AM_CONDITIONAL(METAG, test x$TARGET = xMETAG) AM_CONDITIONAL(MOXIE, test x$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(AARCH64, test x$TARGET = xAARCH64) AM_CONDITIONAL(ARM, test x$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) AM_CONDITIONAL(TILE, test x$TARGET = xTILE) AM_CONDITIONAL(XTENSA, test x$TARGET = xXTENSA) 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 $ac_cv_sizeof_long_double != 0; then HAVE_LONG_DOUBLE=1 AC_DEFINE(HAVE_LONG_DOUBLE, 1, [Define if you have the long double type and it is bigger than a double]) fi fi fi AC_SUBST(HAVE_LONG_DOUBLE) AC_C_BIGENDIAN GCC_AS_CFI_PSEUDO_OP if test x$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 $CFLAGS -c conftest.s > /dev/null 2>&1; then libffi_cv_as_x86_pcrel=yes fi ]) if test "x$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 # On PaX enable kernels that have MPROTECT enable we can't use PROT_EXEC. AC_ARG_ENABLE(pax_emutramp, [ --enable-pax_emutramp enable pax emulated trampolines, for we can't use PROT_EXEC], if test "$enable_pax_emutramp" = "yes"; then AC_DEFINE(FFI_MMAP_EXEC_EMUTRAMP_PAX, 1, [Define this if you want to enable pax emulated trampolines]) fi) if test x$TARGET = xX86_WIN64; then LT_SYS_SYMBOL_USCORE if test "x$sys_symbol_underscore" = xyes; then AC_DEFINE(SYMBOL_UNDERSCORE, 1, [Define if symbols are underscored.]) fi fi FFI_EXEC_TRAMPOLINE_TABLE=0 case "$target" in *arm*-apple-darwin*) FFI_EXEC_TRAMPOLINE_TABLE=1 AC_DEFINE(FFI_EXEC_TRAMPOLINE_TABLE, 1, [Cannot use PROT_EXEC on this target, so, we revert to alternative means]) ;; *-apple-darwin1* | *-*-freebsd* | *-*-kfreebsd* | *-*-openbsd* | *-pc-solaris*) AC_DEFINE(FFI_MMAP_EXEC_WRIT, 1, [Cannot use malloc on this target, so, we revert to alternative means]) ;; esac AM_CONDITIONAL(FFI_EXEC_TRAMPOLINE_TABLE, test x$FFI_EXEC_TRAMPOLINE_TABLE = x1) AC_SUBST(FFI_EXEC_TRAMPOLINE_TABLE) if test x$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 if test "x$GCC" = "xyes"; then 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 -c -fpic -fexceptions -o conftest.o conftest.c > /dev/null 2>&1; then objdump -h conftest.o > conftest.dump 2>&1 libffi_eh_frame_line=`grep -n eh_frame conftest.dump | cut -d: -f 1` libffi_test_line=`expr $libffi_eh_frame_line + 1`p sed -n $libffi_test_line conftest.dump > conftest.line if grep READONLY conftest.line > /dev/null; then libffi_cv_ro_eh_frame=yes fi fi rm -f conftest.* ]) if test "x$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 $libffi_cv_hidden_visibility_attribute = yes; then AC_DEFINE(HAVE_HIDDEN_VISIBILITY_ATTRIBUTE, 1, [Define if __attribute__((visibility("hidden"))) is supported.]) fi fi AH_BOTTOM([ #ifdef HAVE_HIDDEN_VISIBILITY_ATTRIBUTE #ifdef LIBFFI_ASM #define FFI_HIDDEN(name) .hidden name #else #define FFI_HIDDEN __attribute__ ((visibility ("hidden"))) #endif #else #ifdef LIBFFI_ASM #define FFI_HIDDEN(name) #else #define FFI_HIDDEN #endif #endif ]) AC_SUBST(TARGET) AC_SUBST(TARGETDIR) AC_SUBST(SHELL) AC_ARG_ENABLE(debug, [ --enable-debug debugging mode], if test "$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) AM_CONDITIONAL(FFI_DEBUG, test "$enable_debug" = "yes") AC_ARG_ENABLE(raw-api, [ --disable-raw-api make the raw api unavailable], if test "$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 "$enable_purify_safety" = "yes"; then AC_DEFINE(USING_PURIFY, 1, [Define this if you are using Purify and want to suppress spurious messages.]) fi) # These variables are only ever used when we cross-build to X86_WIN32. # And we only support this with GCC, so... if test "x$GCC" = "xyes"; then 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/$multi_os_directory ;; esac AC_SUBST(toolexecdir) else toolexeclibdir='$(libdir)' fi AC_SUBST(toolexeclibdir) 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