test "$GCC" = yes && CFLAGS="-O2 -fno-strength-reduce -Wall"
fi
if test "$GCC" = yes; then
- gccversion=`"$CC" -dumpversion`
+ gccversion=`$CC -dumpversion`
if test "x$gccversion" = "x"; then
- gccversion=`"$CC" --version | sed -e '2,$d' -e 's/darwin.//' -e 's/^[^0-9]*\([0-9]\.[0-9.]*\).*$/\1/g'`
+ gccversion=`$CC --version | sed -e '2,$d' -e 's/darwin.//' -e 's/^[^0-9]*\([0-9]\.[0-9.]*\).*$/\1/g'`
fi
if test "$gccversion" = "3.0.1" -o "$gccversion" = "3.0.2" -o "$gccversion" = "4.0.1"; then
echo 'GCC [34].0.[12] has a bug in the optimizer, disabling "-O#"'
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for recent clang version" >&5
$as_echo_n "checking for recent clang version... " >&6; }
-CLANG_VERSION_STRING=`"$CC" --version 2>/dev/null | sed -n -e 's/^.*clang.*\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\).*$/\1/p'`
+CLANG_VERSION_STRING=`$CC --version 2>/dev/null | sed -n -e 's/^.*clang.*\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\).*$/\1/p'`
if test x"$CLANG_VERSION_STRING" != x"" ; then
CLANG_MAJOR=`echo "$CLANG_VERSION_STRING" | sed -n -e 's/\([0-9][0-9]*\)\.[0-9][0-9]*\.[0-9][0-9]*/\1/p'`
CLANG_MINOR=`echo "$CLANG_VERSION_STRING" | sed -n -e 's/[0-9][0-9]*\.\([0-9][0-9]*\)\.[0-9][0-9]*/\1/p'`
fi
if test "$GCC" = yes; then
dnl method that should work for nearly all versions
- gccversion=`"$CC" -dumpversion`
+ gccversion=`$CC -dumpversion`
if test "x$gccversion" = "x"; then
dnl old method; fall-back for when -dumpversion doesn't work
- gccversion=`"$CC" --version | sed -e '2,$d' -e 's/darwin.//' -e 's/^[[^0-9]]*\([[0-9]]\.[[0-9.]]*\).*$/\1/g'`
+ gccversion=`$CC --version | sed -e '2,$d' -e 's/darwin.//' -e 's/^[[^0-9]]*\([[0-9]]\.[[0-9.]]*\).*$/\1/g'`
fi
dnl version 4.0.1 was reported to cause trouble on Macintosh by Marcin Dalecki
if test "$gccversion" = "3.0.1" -o "$gccversion" = "3.0.2" -o "$gccversion" = "4.0.1"; then
dnl the version number of the clang in use.
dnl Note that this does not work to get the version of clang 3.1 or 3.2.
AC_MSG_CHECKING(for recent clang version)
-CLANG_VERSION_STRING=`"$CC" --version 2>/dev/null | sed -n -e 's/^.*clang.*\([[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\).*$/\1/p'`
+CLANG_VERSION_STRING=`$CC --version 2>/dev/null | sed -n -e 's/^.*clang.*\([[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\).*$/\1/p'`
if test x"$CLANG_VERSION_STRING" != x"" ; then
CLANG_MAJOR=`echo "$CLANG_VERSION_STRING" | sed -n -e 's/\([[0-9]][[0-9]]*\)\.[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*/\1/p'`
CLANG_MINOR=`echo "$CLANG_VERSION_STRING" | sed -n -e 's/[[0-9]][[0-9]]*\.\([[0-9]][[0-9]]*\)\.[[0-9]][[0-9]]*/\1/p'`