Add closure API example to documentation

[pf3gnuchains/gcc-fork.git] / libffi / configure.ac

diff --git a/libffi/configure.ac b/libffi/configure.ac
index 2dff35c..d4644a3 100644 (file)
--- a/libffi/configure.ac
+++ b/libffi/configure.ac
@@ -1,8 +1,8 @@
 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(, ..)
@@ -22,7 +22,7 @@ AM_INIT_AUTOMAKE
 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)
 
@@ -51,10 +51,14 @@ case "$host" in
        TARGET=ARM; TARGETDIR=arm
        ;;
 
-  amd64-*-freebsd*)
+  amd64-*-freebsd* | amd64-*-openbsd*)
        TARGET=X86_64; TARGETDIR=x86
        ;;
 
+  avr32*-*-*)
+       TARGET=AVR32; TARGETDIR=avr32
+       ;;
+
   cris-*-*)
        TARGET=LIBFFI_CRIS; TARGETDIR=cris
        ;;
@@ -63,7 +67,7 @@ case "$host" in
        TARGET=FRV; TARGETDIR=frv
        ;;
 
-  hppa*-*-linux*)
+  hppa*-*-linux* | parisc*-*-linux*)
        TARGET=PA_LINUX; TARGETDIR=pa
        ;;
   hppa*64-*-hpux*)
@@ -73,8 +77,13 @@ case "$host" in
        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
@@ -102,10 +111,15 @@ case "$host" in
        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*-*-linux* | powerpc-*-sysv*)
+       TARGET=POWERPC; TARGETDIR=powerpc
+       ;;
+  powerpc-*-beos*)
        TARGET=POWERPC; TARGETDIR=powerpc
        ;;
   powerpc-*-darwin*)
@@ -139,14 +153,18 @@ case "$host" in
   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 $host."])
@@ -155,7 +173,9 @@ fi
 AM_CONDITIONAL(MIPS, test x$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)
@@ -166,6 +186,7 @@ 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)
@@ -240,12 +261,12 @@ if test x$TARGET = xSPARC; then
     fi
 fi
 
-if test x$TARGET = xX86 || test x$TARGET = xX86_64; then
+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 | grep -i warning > /dev/null; then
+       if $CC $CFLAGS -c conftest.s 2>&1 | $EGREP -i 'illegal|warning' > /dev/null; then
            libffi_cv_as_x86_pcrel=no
        fi
        ])
@@ -253,6 +274,55 @@ if test x$TARGET = xX86 || test x$TARGET = xX86_64; then
        AC_DEFINE(HAVE_AS_X86_PCREL, 1,
                  [Define if your assembler supports PC relative relocs.])
     fi
+
+    AC_CACHE_CHECK([assembler .ascii pseudo-op support],
+       libffi_cv_as_ascii_pseudo_op, [
+       libffi_cv_as_ascii_pseudo_op=unknown
+       # Check if we have .ascii
+       AC_TRY_COMPILE([asm (".ascii \"string\"");],,
+                      [libffi_cv_as_ascii_pseudo_op=yes],
+                      [libffi_cv_as_ascii_pseudo_op=no])
+    ])
+    if test "x$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],
@@ -370,6 +440,6 @@ test -d src/$TARGETDIR || mkdir src/$TARGETDIR
 
 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