dnl Process this with autoconf to create configure
-AC_PREREQ(2.59)
+AC_PREREQ(2.64)
-AC_INIT([libffi], [2.1], [http://gcc.gnu.org/bugs.html])
+AC_INIT([libffi], [3.0.9], [http://gcc.gnu.org/bugs.html])
AC_CONFIG_HEADERS([fficonfig.h])
AM_ENABLE_MULTILIB(, ..)
-if test a = b; then
- # This is for automake
- AC_CONFIG_AUX_DIR([..])
-else
- # and this is for autoconf
- AC_CONFIG_AUX_DIRS(${multi_basedir})
- fi
AC_CANONICAL_SYSTEM
target_alias=${target_alias-$host_alias}
+. ${srcdir}/configure.host
+
AM_INIT_AUTOMAKE
# The same as in boehm-gc and libstdc++. Have to borrow it from there.
m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS])
m4_define([_AC_ARG_VAR_PRECIOUS],[])
AC_PROG_CC
-m4_rename([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
+m4_rename_force([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
AC_SUBST(CFLAGS)
AM_MAINTAINER_MODE
+AC_CHECK_HEADERS(sys/mman.h)
+AC_CHECK_FUNCS(mmap)
AC_FUNC_MMAP_BLACKLIST
dnl The -no-testsuite modules omit the test subdir.
TARGETDIR="unknown"
case "$host" in
-i*86-*-linux*) TARGET=X86; TARGETDIR=x86;;
-i*86-*-solaris*) TARGET=X86; TARGETDIR=x86;;
-i*86-*-beos*) TARGET=X86; TARGETDIR=x86;;
-i*86-*-freebsd*) TARGET=X86; TARGETDIR=x86;;
-i*86-*-netbsdelf*) TARGET=X86; TARGETDIR=x86;;
-i*86-*-win32*) TARGET=X86_WIN32; TARGETDIR=x86;;
-i*86-*-cygwin*) TARGET=X86_WIN32; TARGETDIR=x86;;
-i*86-*-mingw*) TARGET=X86_WIN32; TARGETDIR=x86;;
-sparc-sun-4*) TARGET=SPARC; TARGETDIR=sparc;;
-sparc*-sun-*) TARGET=SPARC; TARGETDIR=sparc;;
-sparc-*-linux* | sparc-*-netbsdelf*) TARGET=SPARC; TARGETDIR=sparc;;
-sparc64-*-linux* | sparc64-*-netbsd*) TARGET=SPARC; TARGETDIR=sparc;;
-alpha*-*-linux* | alpha*-*-osf* | alpha*-*-freebsd* | alpha*-*-netbsd*) TARGET=ALPHA; TARGETDIR=alpha;;
-ia64*-*-*) TARGET=IA64; TARGETDIR=ia64;;
-m68k-*-linux*) TARGET=M68K; TARGETDIR=m68k;;
-mips64*-*);;
-mips-sgi-irix5.* | mips-sgi-irix6.*) TARGET=MIPS_IRIX; TARGETDIR=mips;;
-mips*-*-linux*) TARGET=MIPS_LINUX; 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*) TARGET=POWERPC_AIX; TARGETDIR=powerpc;;
-rs6000-*-aix*) TARGET=POWERPC_AIX; TARGETDIR=powerpc;;
-arm*-*-linux-*) TARGET=ARM; TARGETDIR=arm;;
-arm*-*-netbsdelf*) TARGET=ARM; TARGETDIR=arm;;
-s390-*-linux-*) TARGET=S390; TARGETDIR=s390;;
-s390x-*-linux-*) TARGET=S390; TARGETDIR=s390;;
-x86_64-*-linux*) TARGET=X86_64; TARGETDIR=x86;;
-sh-*-linux* | sh[[34]]*-*-linux*) TARGET=SH; TARGETDIR=sh;;
-sh64-*-linux* | sh5*-*-linux*) TARGET=SH64; TARGETDIR=sh64;;
-hppa-*-linux* | parisc-*-linux*) TARGET=PA; TARGETDIR=pa;;
+ alpha*-*-*)
+ TARGET=ALPHA; TARGETDIR=alpha;
+ # Support 128-bit long double, changable 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
+ ;;
+
+ 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*)
+ TARGET=X86_WIN32; TARGETDIR=x86
+ # All mingw/cygwin/win32 builds require this for sharedlib
+ AM_LTLDFLAGS="-no-undefined"
+ ;;
+ 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
+ ;;
+ 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 $host."])
fi
-AM_CONDITIONAL(MIPS_IRIX, test x$TARGET = xMIPS_IRIX)
-AM_CONDITIONAL(MIPS_LINUX, test x$TARGET = xMIPS_LINUX)
+AM_CONDITIONAL(MIPS, test x$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(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, test x$TARGET = xPA)
-
-case x$TARGET in
- xMIPS*) TARGET=MIPS ;;
- *) ;;
-esac
+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_COMPILE_CHECK_SIZEOF(double)
-AC_COMPILE_CHECK_SIZEOF(long double)
+AC_CHECK_SIZEOF(double)
+AC_CHECK_SIZEOF(long double)
# Also AC_SUBST this variable for ffi.h.
-HAVE_LONG_DOUBLE=0
-if test $ac_cv_sizeof_double != $ac_cv_sizeof_long_double; then
- if test $ac_cv_sizeof_long_double != 0; then
- HAVE_LONG_DOUBLE=1
- AC_DEFINE(HAVE_LONG_DOUBLE, 1, [Define if you have the long double type and it is bigger than a double])
+if test -z "$HAVE_LONG_DOUBLE"; then
+ HAVE_LONG_DOUBLE=0
+ if test $ac_cv_sizeof_double != $ac_cv_sizeof_long_double; then
+ if test $ac_cv_sizeof_long_double != 0; then
+ HAVE_LONG_DOUBLE=1
+ AC_DEFINE(HAVE_LONG_DOUBLE, 1, [Define if you have the long double type and it is bigger than a double])
+ fi
fi
fi
AC_SUBST(HAVE_LONG_DOUBLE)
-AC_C_BIGENDIAN_CROSS
+AC_C_BIGENDIAN
+
+AC_CACHE_CHECK([assembler .cfi pseudo-op support],
+ libffi_cv_as_cfi_pseudo_op, [
+ libffi_cv_as_cfi_pseudo_op=unknown
+ AC_TRY_COMPILE([asm (".cfi_startproc\n\t.cfi_endproc");],,
+ [libffi_cv_as_cfi_pseudo_op=yes],
+ [libffi_cv_as_cfi_pseudo_op=no])
+])
+if test "x$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$TARGET = xSPARC; then
AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs],
fi
fi
+if test x$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=yes
+ echo '.text; foo: nop; .data; .long foo-.; .text' > conftest.s
+ if $CC $CFLAGS -c conftest.s 2>&1 | $EGREP -i 'illegal|warning' > /dev/null; then
+ libffi_cv_as_x86_pcrel=no
+ fi
+ ])
+ if test "x$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
+
+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
[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 $libffi_cv_hidden_visibility_attribute = yes; then
+ AC_DEFINE(HAVE_HIDDEN_VISIBILITY_ATTRIBUTE, 1,
+ [Define if __attribute__((visibility("hidden"))) is supported.])
+fi
+
+AH_BOTTOM([
+#ifdef HAVE_HIDDEN_VISIBILITY_ATTRIBUTE
+#ifdef LIBFFI_ASM
+#define FFI_HIDDEN(name) .hidden name
+#else
+#define FFI_HIDDEN __attribute__ ((visibility ("hidden")))
+#endif
+#else
+#ifdef LIBFFI_ASM
+#define FFI_HIDDEN(name)
+#else
+#define FFI_HIDDEN
+#endif
+#endif
+])
+
AC_SUBST(TARGET)
AC_SUBST(TARGETDIR)
AC_SUBST(toolexecdir)
AC_SUBST(toolexeclibdir)
-#Figure out where generated headers like ffitarget.h get installed.
-changequote(,)dnl
-gcc_version_trigger=${srcdir}/../gcc/version.c
-gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([^\"]*\)\".*/\1/'`
-gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
-tool_include_dir='$(libdir)/gcc/$(target_alias)/'${gcc_version}/include
-changequote([,])dnl
-AC_SUBST(tool_include_dir)
-AC_SUBST(gcc_version)
-
-
if test "${multilib}" = "yes"; then
multilib_arg="--enable-multilib"
else
AC_CONFIG_LINKS(include/ffitarget.h:src/$TARGETDIR/ffitarget.h)
-AC_CONFIG_FILES(include/Makefile include/ffi.h Makefile testsuite/Makefile)
+AC_CONFIG_FILES(include/Makefile include/ffi.h Makefile testsuite/Makefile man/Makefile)
AC_OUTPUT
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