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Only enable OpenMP stuff for gcc >=4.3.

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This commit is contained in:
Brenden Matthews 2009-05-09 12:00:09 -06:00
parent db06b5f953
commit f49ab7ffcb
1 changed files with 9 additions and 2 deletions
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11
configure.ac.in
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@ -618,8 +618,15 @@ dnl Check for OpenMP support
dnl
AX_OPENMP([
AC_DEFINE(HAVE_OPENMP,1,[Define if OpenMP is enabled])
CFLAGS="$CFLAGS $OPENMP_CFLAGS"
gcc_version=`$CC -dumpversion`
gcc_major=`echo $gcc_version | sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
gcc_minor=`echo $gcc_version | sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
dnl check that the gcc version is >=4.3, if we're using gcc
if test ! "x$GCC" = "xyes" -o $gcc_major -ge 4 -a $gcc_minor -ge 3; then
AC_DEFINE(HAVE_OPENMP,1,[Define if OpenMP is enabled])
CFLAGS="$CFLAGS $OPENMP_CFLAGS"
fi
])
dnl