dnl Process this with autoconf to create configure
-AC_PREREQ(2.59)
+AC_PREREQ(2.68)
-AC_INIT([libffi], [3.0.6], [http://gcc.gnu.org/bugs.html])
+AC_INIT([libffi], [3.2.1], [http://github.com/atgreen/libffi/issues])
AC_CONFIG_HEADERS([fficonfig.h])
AC_CANONICAL_SYSTEM
target_alias=${target_alias-$host_alias}
-. ${srcdir}/configure.host
+case "${host}" in
+ frv*-elf)
+ LDFLAGS=`echo $LDFLAGS | sed "s/\-B[^ ]*libgloss\/frv\///"`\ -B`pwd`/../libgloss/frv/
+ ;;
+esac
+
+AX_ENABLE_BUILDDIR
AM_INIT_AUTOMAKE
# We must force CC to /not/ be precious variables; otherwise
# the wrong, non-multilib-adjusted value will be used in multilibs.
# As a side effect, we have to subst CFLAGS ourselves.
+# Also save and restore CFLAGS, since AC_PROG_CC will come up with
+# defaults of its own if none are provided.
m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS])
m4_define([_AC_ARG_VAR_PRECIOUS],[])
+save_CFLAGS=$CFLAGS
AC_PROG_CC
-m4_rename([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
+AC_PROG_CXX
+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"
+fi
+
+cat > local.exp <<EOF
+set CC_FOR_TARGET "$CC"
+set CXX_FOR_TARGET "$CXX"
+EOF
AM_MAINTAINER_MODE
AC_CHECK_HEADERS(sys/mman.h)
-AC_CHECK_FUNCS(mmap)
+AC_CHECK_FUNCS([mmap mkostemp])
AC_FUNC_MMAP_BLACKLIST
dnl The -no-testsuite modules omit the test subdir.
AM_CONDITIONAL(TESTSUBDIR, test -d $srcdir/testsuite)
TARGETDIR="unknown"
+HAVE_LONG_DOUBLE_VARIANT=0
case "$host" in
+ aarch64*-*-*)
+ TARGET=AARCH64; TARGETDIR=aarch64
+ ;;
+
alpha*-*-*)
TARGET=ALPHA; TARGETDIR=alpha;
- # Support 128-bit long double, changable via command-line switch.
+ # Support 128-bit long double, changeable via command-line switch.
HAVE_LONG_DOUBLE='defined(__LONG_DOUBLE_128__)'
;;
+ arc*-*-*)
+ TARGET=ARC; TARGETDIR=arc
+ ;;
+
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=FRV; TARGETDIR=frv
;;
- hppa*-*-linux* | parisc*-*-linux*)
+ hppa*-*-linux* | parisc*-*-linux* | hppa*-*-openbsd*)
TARGET=PA_LINUX; TARGETDIR=pa
;;
hppa*64-*-hpux*)
TARGET=PA_HPUX; TARGETDIR=pa
;;
- i386-*-freebsd* | i386-*-openbsd*)
+ i?86-*-freebsd* | i?86-*-openbsd*)
TARGET=X86_FREEBSD; TARGETDIR=x86
;;
- i?86-win32* | i?86-*-cygwin* | i?86-*-mingw*)
+ 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]]*)
- TARGET=X86_64; TARGETDIR=x86
+ TARGETDIR=x86
+ if test $ac_cv_sizeof_size_t = 4; then
+ TARGET=X86;
+ else
+ TARGET=X86_64;
+ fi
;;
- i?86-*-*)
- TARGET=X86; TARGETDIR=x86
+
+ x86_64-*-darwin*)
+ TARGET=X86_DARWIN; TARGETDIR=x86
+ ;;
+
+ x86_64-*-cygwin* | x86_64-*-mingw*)
+ TARGET=X86_WIN64; TARGETDIR=x86
+ # All mingw/cygwin/win32 builds require -no-undefined for sharedlib.
+ # We must also check with_cross_host to decide if this is a native
+ # or cross-build and select where to install dlls appropriately.
+ if test -n "$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=M68K; TARGETDIR=m68k
;;
- mips-sgi-irix5.* | mips-sgi-irix6.*)
+ m88k-*-*)
+ TARGET=M88K; TARGETDIR=m88k
+ ;;
+
+ 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*-*linux* | mips*-*-openbsd*)
+ # Support 128-bit long double for NewABI.
+ HAVE_LONG_DOUBLE='defined(__mips64)'
TARGET=MIPS; TARGETDIR=mips
;;
+ nios2*-linux*)
+ TARGET=NIOS2; TARGETDIR=nios2
+ ;;
+
+ or1k*-linux*)
+ TARGET=OR1K; TARGETDIR=or1k
+ ;;
+
powerpc*-*-linux* | powerpc-*-sysv*)
TARGET=POWERPC; TARGETDIR=powerpc
+ HAVE_LONG_DOUBLE_VARIANT=1
+ ;;
+ powerpc-*-amigaos*)
+ TARGET=POWERPC; TARGETDIR=powerpc
;;
powerpc-*-beos*)
TARGET=POWERPC; TARGETDIR=powerpc
;;
- powerpc-*-darwin*)
+ powerpc-*-darwin* | powerpc64-*-darwin*)
TARGET=POWERPC_DARWIN; TARGETDIR=powerpc
;;
powerpc-*-aix* | rs6000-*-aix*)
TARGET=POWERPC_AIX; TARGETDIR=powerpc
;;
- powerpc-*-freebsd*)
+ powerpc-*-freebsd* | powerpc-*-openbsd*)
TARGET=POWERPC_FREEBSD; TARGETDIR=powerpc
+ HAVE_LONG_DOUBLE_VARIANT=1
+ ;;
+ powerpc64-*-freebsd*)
+ TARGET=POWERPC; TARGETDIR=powerpc
;;
powerpc*-*-rtems*)
TARGET=POWERPC; TARGETDIR=powerpc
TARGET=SPARC; TARGETDIR=sparc
;;
- x86_64-*-darwin*)
- TARGET=X86_DARWIN; TARGETDIR=x86
- ;;
- x86_64-*-cygwin* | x86_64-*-mingw*)
+ tile*-*)
+ TARGET=TILE; TARGETDIR=tile
+ ;;
+
+ vax-*-*)
+ TARGET=VAX; TARGETDIR=vax
;;
- x86_64-*-*)
- TARGET=X86_64; TARGETDIR=x86
+
+ 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$TARGET = xX86_DARWIN)
+AM_CONDITIONAL(X86_DARWIN32, test x$TARGET = xX86_DARWIN && test $ac_cv_sizeof_size_t = 4)
+AM_CONDITIONAL(X86_DARWIN64, test x$TARGET = xX86_DARWIN && test $ac_cv_sizeof_size_t = 8)
AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
AM_CONDITIONAL(M32R, test x$TARGET = xM32R)
AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
+AM_CONDITIONAL(M88K, test x$TARGET = xM88K)
+AM_CONDITIONAL(MICROBLAZE, test x$TARGET = xMICROBLAZE)
+AM_CONDITIONAL(METAG, test x$TARGET = xMETAG)
+AM_CONDITIONAL(MOXIE, test x$TARGET = xMOXIE)
+AM_CONDITIONAL(NIOS2, test x$TARGET = xNIOS2)
+AM_CONDITIONAL(OR1K, test x$TARGET = xOR1K)
AM_CONDITIONAL(POWERPC, test x$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(ARC, test x$TARGET = xARC)
AM_CONDITIONAL(ARM, test x$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(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(VAX, test x$TARGET = xVAX)
+AM_CONDITIONAL(XTENSA, test x$TARGET = xXTENSA)
AC_HEADER_STDC
AC_CHECK_FUNCS(memcpy)
# 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
+ if test $ac_cv_sizeof_long_double != 0; then
+ if test $HAVE_LONG_DOUBLE_VARIANT != 0; then
+ AC_DEFINE(HAVE_LONG_DOUBLE_VARIANT, 1, [Define if you support more than one size of the long double type])
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])
+ else
+ if test $ac_cv_sizeof_double != $ac_cv_sizeof_long_double; then
+ HAVE_LONG_DOUBLE=1
+ AC_DEFINE(HAVE_LONG_DOUBLE, 1, [Define if you have the long double type and it is bigger than a double])
+ fi
fi
fi
fi
AC_SUBST(HAVE_LONG_DOUBLE)
+AC_SUBST(HAVE_LONG_DOUBLE_VARIANT)
AC_C_BIGENDIAN
-AC_CACHE_CHECK([assembler .cfi pseudo-op support],
- libffi_cv_as_cfi_pseudo_op, [
- libffi_cv_as_cfi_pseudo_op=unknown
- AC_TRY_COMPILE([asm (".cfi_startproc\n\t.cfi_endproc");],,
- [libffi_cv_as_cfi_pseudo_op=yes],
- [libffi_cv_as_cfi_pseudo_op=no])
-])
-if test "x$libffi_cv_as_cfi_pseudo_op" = xyes; then
- AC_DEFINE(HAVE_AS_CFI_PSEUDO_OP, 1,
- [Define if your assembler supports .cfi_* directives.])
-fi
+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_register_pseudo_op, [
libffi_cv_as_register_pseudo_op=unknown
# Check if we have .register
- AC_TRY_COMPILE([asm (".register %g2, #scratch");],,
+ AC_TRY_COMPILE(,[asm (".register %g2, #scratch");],
[libffi_cv_as_register_pseudo_op=yes],
[libffi_cv_as_register_pseudo_op=no])
])
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 $CFLAGS -S -fpic -fexceptions -o conftest.s conftest.c > /dev/null 2>&1; then
- if grep '.section.*eh_frame.*"a"' conftest.s > /dev/null; then
- libffi_cv_ro_eh_frame=yes
- elif grep '.section.*eh_frame.*#alloc' conftest.c \
- | grep -v '#write' > /dev/null; then
- libffi_cv_ro_eh_frame=yes
- fi
+if test x$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 $CFLAGS -c conftest.s > /dev/null 2>&1; then
+ libffi_cv_as_x86_pcrel=yes
fi
- rm -f conftest.*
+ ])
+ if test "x$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$libffi_cv_ro_eh_frame" = xyes; then
- AC_DEFINE(HAVE_RO_EH_FRAME, 1,
- [Define if .eh_frame sections should be read-only.])
- AC_DEFINE(EH_FRAME_FLAGS, "a",
- [Define to the flags needed for the .section .eh_frame directive.])
-else
- AC_DEFINE(EH_FRAME_FLAGS, "aw",
- [Define to the flags needed for the .section .eh_frame directive.])
+ if test "x$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$libffi_cv_as_string_pseudo_op" = xyes; then
+ AC_DEFINE(HAVE_AS_STRING_PSEUDO_OP, 1,
+ [Define if your assembler supports .string.])
+ fi
fi
-AC_CACHE_CHECK([for __attribute__((visibility("hidden")))],
- libffi_cv_hidden_visibility_attribute, [
- echo 'int __attribute__ ((visibility ("hidden"))) foo (void) { return 1; }' > conftest.c
- libffi_cv_hidden_visibility_attribute=no
- if AC_TRY_COMMAND(${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
+# 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 "$enable_pax_emutramp" = "yes"; then
+ AC_DEFINE(FFI_MMAP_EXEC_EMUTRAMP_PAX, 1,
+ [Define this if you want to enable pax emulated trampolines])
+ fi)
+
+LT_SYS_SYMBOL_USCORE
+if test "x$sys_symbol_underscore" = xyes; then
+ AC_DEFINE(SYMBOL_UNDERSCORE, 1, [Define if symbols are underscored.])
+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([toolchain supports unwind section type],
+ libffi_cv_as_x86_64_unwind_section_type, [
+ cat > conftest1.s << EOF
+.text
+.globl foo
+foo:
+jmp bar
+.section .eh_frame,"a",@unwind
+bar:
+EOF
+
+ cat > conftest2.c << EOF
+extern void foo();
+int main(){foo();}
+EOF
+
+ libffi_cv_as_x86_64_unwind_section_type=no
+ # we ensure that we can compile _and_ link an assembly file containing an @unwind section
+ # since the compiler can support it and not the linker (ie old binutils)
+ if $CC -Wa,--fatal-warnings $CFLAGS -c conftest1.s > /dev/null 2>&1 && \
+ $CC conftest2.c conftest1.o > /dev/null 2>&1 ; then
+ libffi_cv_as_x86_64_unwind_section_type=yes
fi
- rm -f conftest.*
- ])
-if test $libffi_cv_hidden_visibility_attribute = yes; then
- AC_DEFINE(HAVE_HIDDEN_VISIBILITY_ATTRIBUTE, 1,
- [Define if __attribute__((visibility("hidden"))) is supported.])
+ ])
+ if test "x$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 $libffi_cv_hidden_visibility_attribute = yes; then
+ AC_DEFINE(HAVE_HIDDEN_VISIBILITY_ATTRIBUTE, 1,
+ [Define if __attribute__((visibility("hidden"))) is supported.])
+ fi
fi
AH_BOTTOM([
if test "$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.])
+ AC_DEFINE(FFI_NO_STRUCTS, 1, [Define this if 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.])
+ AC_DEFINE(FFI_NO_RAW_API, 1, [Define this if you do not want support for the raw API.])
fi)
AC_ARG_ENABLE(purify-safety,
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='$(toolexecdir)/lib'
+# These variables are only ever used when we cross-build to X86_WIN32.
+# And we only support this with GCC, so...
+if test "x$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 $CFLAGS -print-multi-os-directory`
+ case $multi_os_directory in
+ .) ;; # Avoid trailing /.
+ ../*) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;;
+ esac
+ AC_SUBST(toolexecdir)
else
- toolexecdir='$(libdir)/gcc-lib/$(target_alias)'
- toolexeclibdir='$(libdir)'
+ 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
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