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Refresh autoconf-archive m4 scripts

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This commit is contained in:
Anthony Green
2012-02-03 13:18:27 -06:00
parent 1ff9c604bb
commit 4130e1972d
30 changed files with 26234 additions and 133 deletions
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18
m4/ax_cc_maxopt.m4
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@@ -21,7 +21,7 @@
# by the code (e.g. for gcc's -fstrict-aliasing), and that floating-point
# computations can be re-ordered as needed.
#
# Requires macros: AX_CHECK_COMPILER_FLAGS, AX_COMPILER_VENDOR,
# Requires macros: AX_CHECK_COMPILE_FLAG, AX_COMPILER_VENDOR,
# AX_GCC_ARCHFLAG, AX_GCC_X86_CPUID.
#
# LICENSE
@@ -55,7 +55,7 @@
# modified version of the Autoconf Macro, you may extend this special
# exception to the GPL to apply to your modified version as well.
#serial 11
#serial 12
AC_DEFUN([AX_CC_MAXOPT],
[
@@ -90,7 +90,7 @@ if test "$ac_test_CFLAGS" != "set"; then
else
xlc_opt="-qtune=auto"
fi
AX_CHECK_COMPILER_FLAGS($xlc_opt,
AX_CHECK_COMPILE_FLAG($xlc_opt,
CFLAGS="-O3 -qansialias -w $xlc_opt",
[CFLAGS="-O3 -qansialias -w"
echo "******************************************************"
@@ -125,7 +125,7 @@ if test "$ac_test_CFLAGS" != "set"; then
esac
if test "x$icc_flags" != x; then
for flag in $icc_flags; do
AX_CHECK_COMPILER_FLAGS($flag, [icc_archflag=$flag; break])
AX_CHECK_COMPILE_FLAG($flag, [icc_archflag=$flag; break])
done
fi
AC_MSG_CHECKING([for icc architecture flag])
@@ -140,11 +140,15 @@ if test "$ac_test_CFLAGS" != "set"; then
# default optimization flags for gcc on all systems
CFLAGS="-O3 -fomit-frame-pointer"
# -malign-double for x86 systems
AX_CHECK_COMPILE_FLAG(-malign-double, CFLAGS="$CFLAGS -malign-double")
# -fstrict-aliasing for gcc-2.95+
AX_CHECK_COMPILER_FLAGS(-fstrict-aliasing,
AX_CHECK_COMPILE_FLAG(-fstrict-aliasing,
CFLAGS="$CFLAGS -fstrict-aliasing")
AX_CHECK_COMPILER_FLAGS(-ffast-math, CFLAGS="$CFLAGS -ffast-math")
# note that we enable "unsafe" fp optimization with other compilers, too
AX_CHECK_COMPILE_FLAG(-ffast-math, CFLAGS="$CFLAGS -ffast-math")
AX_GCC_ARCHFLAG($acx_maxopt_portable)
;;
@@ -161,7 +165,7 @@ if test "$ac_test_CFLAGS" != "set"; then
CFLAGS="-O3"
fi
AX_CHECK_COMPILER_FLAGS($CFLAGS, [], [
AX_CHECK_COMPILE_FLAG($CFLAGS, [], [
echo ""
echo "********************************************************"
echo "* WARNING: The guessed CFLAGS don't seem to work with *"