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Add version check for GCC

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Mesa now requires GCC 3.3.0 or later.  See the following thread from
the mesa3d-dev mailing list for more details:

http://marc.info/?t=126748568900005&r=1&w=2

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
This commit is contained in:
Ian Romanick 2010-03-03 15:59:37 -08:00
parent 3594bf233d
commit 9aa3aa7138
1 changed files with 22 additions and 0 deletions
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22
configure.ac
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@ -46,6 +46,28 @@ solaris*)
;;
esac
dnl If we're using GCC, make sure that it is at least version 3.3.0. Older
dnl versions are explictly not supported.
if test "x$GCC" = xyes; then
AC_MSG_CHECKING([whether gcc version is sufficient])
major=0
minor=0
GCC_VERSION=`$CC -dumpversion`
if test $? -eq 0; then
major=`echo $GCC_VERSION | cut -d. -f1`
minor=`echo $GCC_VERSION | cut -d. -f1`
fi
if test $major -lt 3 -o $major -eq 3 -a $minor -lt 3 ; then
AC_MSG_RESULT([no])
AC_MSG_ERROR([If using GCC, version 3.3.0 or later is required.])
else
AC_MSG_RESULT([yes])
fi
fi
MKDEP_OPTIONS=-fdepend
dnl Ask gcc where it's keeping its secret headers
if test "x$GCC" = xyes; then