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32-bit x86 fix and more

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1 parent cd41aea commit bff052d9cd5be41ba9e47c76114054af487d3c30 @atgreen atgreen committed Jan 11, 2013
Showing with 20 additions and 42 deletions.
  1. +8 −0 ChangeLog
  2. +2 −0 README
  3. +5 −38 configure
  4. +3 −3 configure.ac
  5. +2 −1 m4/ax_cc_maxopt.m4
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@@ -1,3 +1,11 @@
+2013-01-11 Anthony Green <green@moxielogic.com>
+
+ * configure.ac: Robustify pc relative reloc check.
+ * m4/ax_cc_maxopt.m4: Don't -malign-double. This is an ABI
+ changing option for 32-bit x86.
+ * aclocal.m4, configure: Rebuilt.
+ * README: Update supported target list.
+
2013-01-10 Anthony Green <green@moxielogic.com>
* README (tested): Add Compiler column to table.
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@@ -75,8 +75,10 @@ tested:
| S390X | Linux | GCC |
| SPARC | Linux | GCC |
| SPARC | Solaris | GCC |
+| SPARC | Solaris | Oracle Solaris Studio C |
| SPARC64 | Linux | GCC |
| SPARC64 | FreeBSD | GCC |
+| SPARC64 | Solaris | Oracle Solaris Studio C |
| TILE-Gx/TILEPro | Linux | GCC |
| X86 | FreeBSD | GCC |
| X86 | Interix | GCC |
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@@ -12426,41 +12426,8 @@ $as_echo "$icc_archflag" >&6; }
CFLAGS="-O3 -fomit-frame-pointer"
# -malign-double for x86 systems
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -malign-double" >&5
-$as_echo_n "checking whether C compiler accepts -malign-double... " >&6; }
-if ${ax_cv_check_cflags___malign_double+:} false; then :
- $as_echo_n "(cached) " >&6
-else
-
- ax_check_save_flags=$CFLAGS
- CFLAGS="$CFLAGS -malign-double"
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-
-int
-main ()
-{
-
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- ax_cv_check_cflags___malign_double=yes
-else
- ax_cv_check_cflags___malign_double=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- CFLAGS=$ax_check_save_flags
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_check_cflags___malign_double" >&5
-$as_echo "$ax_cv_check_cflags___malign_double" >&6; }
-if test x"$ax_cv_check_cflags___malign_double" = xyes; then :
- CFLAGS="$CFLAGS -malign-double"
-else
- :
-fi
-
+ # LIBFFI -- DON'T DO THIS - CHANGES ABI
+ # AX_CHECK_COMPILE_FLAG(-malign-double, CFLAGS="$CFLAGS -malign-double")
# -fstrict-aliasing for gcc-2.95+
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -fstrict-aliasing" >&5
@@ -14480,10 +14447,10 @@ if ${libffi_cv_as_x86_pcrel+:} false; then :
$as_echo_n "(cached) " >&6
else
- libffi_cv_as_x86_pcrel=yes
+ libffi_cv_as_x86_pcrel=no
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
+ if $CC $CFLAGS -c conftest.s > /dev/null 2>&1; then
+ libffi_cv_as_x86_pcrel=yes
fi
fi
View
@@ -334,10 +334,10 @@ fi
if test x$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
+ libffi_cv_as_x86_pcrel=no
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
+ if $CC $CFLAGS -c conftest.s > /dev/null 2>&1; then
+ libffi_cv_as_x86_pcrel=yes
fi
])
if test "x$libffi_cv_as_x86_pcrel" = xyes; then
View
@@ -141,7 +141,8 @@ if test "$ac_test_CFLAGS" != "set"; then
CFLAGS="-O3 -fomit-frame-pointer"
# -malign-double for x86 systems
- AX_CHECK_COMPILE_FLAG(-malign-double, CFLAGS="$CFLAGS -malign-double")
+ # LIBFFI -- DON'T DO THIS - CHANGES ABI
+ # AX_CHECK_COMPILE_FLAG(-malign-double, CFLAGS="$CFLAGS -malign-double")
# -fstrict-aliasing for gcc-2.95+
AX_CHECK_COMPILE_FLAG(-fstrict-aliasing,

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