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Simplified the gcc version check.

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This commit is contained in:
Moritz Bunkus 2003-04-11 15:18:17 +00:00
parent 7dd85dd92d
commit 2c36690431
1 changed files with 15 additions and 11 deletions
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26
acinclude.m4
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@ -526,17 +526,21 @@ dnl
AC_DEFUN(PATH_CXXVERSION,
[dnl
AC_MSG_CHECKING($CXX version)
CXXVER="`$CXX --version 2>&1 | head -n 1 | sed 's;.*\([[0-9]][[0-9]]*\)\.[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*.*;\1;'`"
CXXVER=`$CXX -dumpversion`
CXXVER_CFLAGS=
if test "x$CXXVER" == "x2"; then
CXXVER_CFLAGS=-DGCC2
AC_MSG_RESULT(v2)
elif test "x$CXXVER" != "x3"; then
AC_MSG_RESULT(unknown)
echo "*** Unknown C++ compiler or version. Please contact Moritz Bunkus"
echo "*** <moritz@bunkus.org> if compilation fails."
else
AC_MSG_RESULT(v$CXXVER)
fi
case "$CXXVER" in
2.*)
CXXVER_CFLAGS=-DGCC2
AC_MSG_RESULT(v2)
;;
3*)
AC_MSG_RESULT(v3)
;;
*)
AC_MSG_RESULT(unknown)
echo "*** Unknown C++ compiler or version. Please contact Moritz Bunkus"
echo "*** <moritz@bunkus.org> if compilation fails."
;;
esac
AC_SUBST(CXXVER_CFLAGS)
])