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updated for version 7.4.048

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Problem:    Recent clang version complains about -fno-strength-reduce.
Solution:   Add a configure check for the clang version. (Kazunobu Kuriyama)
This commit is contained in:
Bram Moolenaar
2013-10-02 18:23:07 +02:00
parent 35a7c681bc
commit 0c6ccfdb62
3 changed files with 43 additions and 0 deletions
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18
src/auto/configure vendored
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@@ -3989,6 +3989,24 @@ if test "$GCC" = yes; then
fi
fi
{ $as_echo "$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.*\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\).*$/\1/p'`
if test x"$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'`
CLANG_REVISION=`echo "$CLANG_VERSION_STRING" | sed -n -e 's/[0-9][0-9]*\.[0-9][0-9]*\.\([0-9][0-9]*\)/\1/p'`
CLANG_VERSION=`expr $CLANG_MAJOR '*' 1000000 '+' $CLANG_MINOR '*' 1000 '+' $CLANG_REVISION`
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CLANG_VERSION" >&5
$as_echo "$CLANG_VERSION" >&6; }
if test "$CLANG_VERSION" -ge 500002075 ; then
CFLAGS=`echo "$CFLAGS" | sed -n -e 's/-fno-strength-reduce/ /p'`
fi
else
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
fi
if test "$cross_compiling" = yes; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: cannot compile a simple program; if not cross compiling check CC and CFLAGS" >&5
$as_echo "cannot compile a simple program; if not cross compiling check CC and CFLAGS" >&6; }