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Recognize clang version correctly. Closes #301984.

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git-svn-id: svn://svn.valgrind.org/valgrind/trunk@12649
This commit is contained in:
Bart Van Assche 2012-06-17 05:53:02 +00:00
parent 728b053d69
commit 3258a8dcbb
1 changed files with 14 additions and 12 deletions
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26
configure.in
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@ -110,20 +110,22 @@ AC_MSG_CHECKING([for a supported version of gcc])
# OS/X 10.6: i686-apple-darwin10-gcc-4.2.1 (GCC) 4.2.1 (Apple Inc. build 5666) (dot 3)
# OS/X 10.7: i686-apple-darwin11-llvm-gcc-4.2 (GCC) 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2335.15.00)
# Clang: clang version 2.9 (tags/RELEASE_29/final)
# Apple clang: Apple clang version 3.1 (tags/Apple/clang-318.0.58) (based on LLVM 3.1svn)
# FreeBSD clang: FreeBSD clang version 3.1 (branches/release_31 156863) 20120523
#
[
gcc_version=`${CC} -dumpversion 2>/dev/null`
if test "x$gcc_version" = x; then
gcc_version=`${CC} --version \
| $SED -n -e 's/[^ ]*gcc[^ ]* ([^)]*) \([0-9.]*\).*$/\1/p' \
-e 's/[^ ]*clang version \([0-9.]*\).*$/\1/p'`
fi
]
is_clang="notclang"
if test "x`${CC} --version | head -n 1 | $SED 's/\(clang\) version.*/\1/'`" = "xclang" ; then
is_clang="clang"
if test "x`${CC} --version | $SED -n -e 's/.*\(clang\) version.*/\1/p'`" = "xclang" ; then
is_clang="clang"
# Don't use -dumpversion with clang: it will always produce "4.2.1".
gcc_version=`${CC} --version | $SED -n -e 's/.*clang version \([0-9.]*\).*$/\1/p'`
else
is_clang="notclang"
gcc_version=`${CC} -dumpversion 2>/dev/null`
if test "x$gcc_version" = x; then
gcc_version=`${CC} --version | $SED -n -e 's/[^ ]*gcc[^ ]* ([^)]*) \([0-9.]*\).*$/\1/p'`
fi
fi
]
case "${is_clang}-${gcc_version}" in
notclang-3.*)
@ -132,7 +134,7 @@ case "${is_clang}-${gcc_version}" in
notclang-4.*)
AC_MSG_RESULT([ok (${gcc_version})])
;;
clang-2.9)
clang-2.9|clang-3.*)
AC_MSG_RESULT([ok (clang-${gcc_version})])
;;
*)