Add NIOS2 support. Code from SourceyG++.

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

diff --git a/libffi/configure.ac b/libffi/configure.ac
index 1b484f9..c810b85 100644 (file)
--- a/libffi/configure.ac
+++ b/libffi/configure.ac
@@ -12,7 +12,7 @@ target_alias=${target_alias-$host_alias}
 
 . ${srcdir}/configure.host
 
-AM_INIT_AUTOMAKE
+AM_INIT_AUTOMAKE([no-dist])
 
 # The same as in boehm-gc and libstdc++. Have to borrow it from there.
 # We must force CC to /not/ be precious variables; otherwise
@@ -43,7 +43,7 @@ TARGETDIR="unknown"
 case "$host" in
   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__)'
        ;;
 
@@ -80,10 +80,17 @@ case "$host" in
   i?86-*-freebsd* | i?86-*-openbsd*)
        TARGET=X86_FREEBSD; TARGETDIR=x86
        ;;
-  i?86-win32* | i?86-*-cygwin* | i?86-*-mingw*)
+  i?86-win32* | i?86-*-cygwin* | i?86-*-mingw* | i?86-*-os2*)
        TARGET=X86_WIN32; TARGETDIR=x86
-       # All mingw/cygwin/win32 builds require this for sharedlib
-       AM_LTLDFLAGS="-no-undefined"
+       # All mingw/cygwin/win32 builds require -no-undefined for sharedlib.
+       # We must also check with_cross_host to decide if this is a native
+       # or cross-build and select where to install dlls appropriately.
+       if test -n "$with_cross_host" &&
+          test x"$with_cross_host" != x"no"; then
+         AM_LTLDFLAGS='-no-undefined -bindir "$(toolexeclibdir)"';
+       else
+         AM_LTLDFLAGS='-no-undefined -bindir "$(bindir)"';
+       fi
        ;;
   i?86-*-darwin*)
        TARGET=X86_DARWIN; TARGETDIR=x86
@@ -92,7 +99,7 @@ case "$host" in
        TARGET=X86_64; TARGETDIR=x86
        ;;
   i?86-*-*)
-       TARGET=X86; TARGETDIR=x86
+       TARGET=X86_64; TARGETDIR=x86
        ;;
 
   ia64*-*-*)
@@ -107,7 +114,7 @@ case "$host" in
        TARGET=M68K; TARGETDIR=m68k
        ;;
 
-  mips-sgi-irix5.* | mips-sgi-irix6.*)
+  mips-sgi-irix5.* | mips-sgi-irix6.* | mips*-*-rtems*)
        TARGET=MIPS; TARGETDIR=mips
        ;;
   mips*-*-linux*)
@@ -131,6 +138,9 @@ case "$host" in
   powerpc-*-freebsd*)
        TARGET=POWERPC_FREEBSD; TARGETDIR=powerpc
        ;;
+ powerpc64-*-freebsd*)
+       TARGET=POWERPC; TARGETDIR=powerpc
+       ;;
   powerpc*-*-rtems*)
        TARGET=POWERPC; TARGETDIR=powerpc
        ;;
@@ -156,6 +166,15 @@ case "$host" in
 
   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
        ;;
 
   x86_64-*-*)
@@ -218,17 +237,7 @@ AC_SUBST(HAVE_LONG_DOUBLE)
 
 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$TARGET = xSPARC; then
     AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs],
@@ -266,7 +275,7 @@ if test x$TARGET = xX86 || test x$TARGET = xX86_WIN32 || test x$TARGET = xX86_64
        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 | $EGREP -i 'illegal|warning' > /dev/null; then
            libffi_cv_as_x86_pcrel=no
        fi
        ])
@@ -274,6 +283,32 @@ if test x$TARGET = xX86 || test x$TARGET = xX86_WIN32 || test x$TARGET = xX86_64
        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