dnl Process this with autoconf to create configure
+AC_PREREQ(2.13)
AC_INIT(fficonfig.h.in)
AM_CONFIG_HEADER(fficonfig.h)
+# This works around the fact that libtool configuration may change LD
+# for this particular configuration, but some shells, instead of
+# keeping the changes in LD private, export them just because LD is
+# exported.
+ORIGINAL_LD_FOR_MULTILIBS=$LD
+
dnl Default to --enable-multilib
AC_ARG_ENABLE(multilib,
[ --enable-multilib build many library versions (default)],
if test "${srcdir}" = "."; then
if test "${with_target_subdir}" != "."; then
- libffi_basedir="${srcdir}/${with_multisrctop}.."
+ libffi_basedir="${with_multisrctop}../"
else
- libffi_basedir="${srcdir}/${with_multisrctop}"
+ libffi_basedir="${with_multisrctop}"
fi
else
- libffi_basedir="${srcdir}"
+ libffi_basedir=
fi
AC_SUBST(libffi_basedir)
+AC_CONFIG_AUX_DIR(${libffi_basedir}..)
-AC_CANONICAL_HOST
+AC_CANONICAL_SYSTEM
+target_alias=${target_alias-$host_alias}
AM_PROG_LIBTOOL
AM_MAINTAINER_MODE
AC_PROG_CC
+
AC_PROG_LIBTOOL
+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
-mips-sgi-irix5.* | mips-sgi-irix6.*) TARGET=MIPS; TARGETDIR=mips;;
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*) TARGET=SPARC; TARGETDIR=sparc;;
-sparc64-*-linux*) TARGET=SPARC; TARGETDIR=sparc;;
-alpha*-*-linux* | alpha*-*-osf*) TARGET=ALPHA; TARGETDIR=alpha;;
+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;;
-powerpc-*-linux* | powerpc-*-sysv*) TARGET=POWERPC; TARGETDIR=powerpc;;
+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;;
esac
+AC_SUBST(AM_RUNTESTFLAGS)
+
if test $TARGETDIR = unknown; then
AC_ERROR("libffi has not been ported to $host.")
fi
-AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
-AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
+AM_CONDITIONAL(MIPS_IRIX, test x$TARGET = xMIPS_IRIX)
+AM_CONDITIONAL(MIPS_LINUX, test x$TARGET = xMIPS_LINUX)
AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
AM_CONDITIONAL(X86, test x$TARGET = xX86)
AM_CONDITIONAL(X86_WIN32, test x$TARGET = xX86_WIN32)
AM_CONDITIONAL(POWERPC_AIX, test x$TARGET = xPOWERPC_AIX)
AM_CONDITIONAL(POWERPC_DARWIN, test x$TARGET = xPOWERPC_DARWIN)
AM_CONDITIONAL(ARM, test x$TARGET = xARM)
+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)
+
+case x$TARGET in
+ xMIPS*) TARGET=MIPS ;;
+ *) ;;
+esac
AC_HEADER_STDC
AC_CHECK_FUNCS(memcpy)
AC_FUNC_ALLOCA
-dnl AC_CHECK_SIZEOF(char)
-AC_CHECK_SIZEOF(short)
-AC_CHECK_SIZEOF(int)
-AC_CHECK_SIZEOF(long)
-AC_CHECK_SIZEOF(long long)
-AC_CHECK_SIZEOF(float)
-AC_CHECK_SIZEOF(double)
-AC_CHECK_SIZEOF(long double)
+AC_COMPILE_CHECK_SIZEOF(double)
+AC_COMPILE_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 $ac_cv_sizeof_long_double != 0; then
+ HAVE_LONG_DOUBLE=1
+ AC_DEFINE(HAVE_LONG_DOUBLE, 1, [Define if you have the long double type and it is bigger than a double])
+ fi
+fi
+AC_SUBST(HAVE_LONG_DOUBLE)
-AC_CHECK_SIZEOF(void *)
-AC_C_BIGENDIAN
+AC_C_BIGENDIAN_CROSS
+
+if test x$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
+
+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_SUBST(TARGET)
AC_SUBST(TARGETDIR)
AC_ARG_ENABLE(debug,
[ --enable-debug debugging mode],
if test "$enable_debug" = "yes"; then
- AC_DEFINE(FFI_DEBUG)
+ AC_DEFINE(FFI_DEBUG, 1, [Define this if you want extra debugging.])
fi)
AC_ARG_ENABLE(structs,
[ --disable-structs omit code for struct support],
if test "$enable_structs" = "no"; then
- AC_DEFINE(FFI_NO_STRUCTS)
+ 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 "$enable_raw_api" = "no"; then
- AC_DEFINE(FFI_NO_RAW_API)
+ AC_DEFINE(FFI_NO_RAW_API, 1, [Define this is you do not want support for the raw API.])
fi)
AC_ARG_ENABLE(purify-safety,
[ --enable-purify-safety purify-safe mode],
if test "$enable_purify_safety" = "yes"; then
- AC_DEFINE(USING_PURIFY)
+ AC_DEFINE(USING_PURIFY, 1, [Define this if you are using Purify and want to suppress spurious messages.])
fi)
-AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host")
+if test -n "$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/$multi_os_directory ;;
+esac
+AC_SUBST(toolexecdir)
+AC_SUBST(toolexeclibdir)
+
+#Figure out where generated headers like ffitarget.h get installed.
+changequote(,)dnl
+gcc_version_trigger=${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"
multilib_arg=
fi
-AC_OUTPUT(include/Makefile include/ffi.h Makefile,
+AC_OUTPUT(include/Makefile testsuite/Makefile include/ffi.h Makefile,
[
if test -n "$CONFIG_FILES"; then
- ac_file=Makefile . ${libffi_basedir}/../config-ml.in
+ LD="${ORIGINAL_LD_FOR_MULTILIBS}"
+ ac_file=Makefile . ${srcdir}/${libffi_basedir}../config-ml.in
fi
],
srcdir=${srcdir}
libffi_basedir=${libffi_basedir}
CC="${CC}"
DEFS="$DEFS"
-test ! -d include && mkdir include
-test ! -f include/fficonfig.h && cp fficonfig.h include/fficonfig.h
-if cmp -s fficonfig.h include/fficonfig.h 2>/dev/null; then
- echo fficonfig.h unchanged
-else
- echo Moving fficonfig.h to include/fficonfig.h
- cp fficonfig.h include/fficonfig.h
-fi
-)
+ORIGINAL_LD_FOR_MULTILIBS="${ORIGINAL_LD_FOR_MULTILIBS}"
# Make target subdirectories if required.
test -d src || mkdir src
test -d src/${TARGETDIR} || mkdir src/${TARGETDIR}
+test -d include || mkdir include
+
+AC_LINK_FILES(src/$TARGETDIR/ffitarget.h, include/ffitarget.h)
+)
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