diff options
| author | Tamar Christina <tamar@zhox.com> | 2019-06-01 11:20:39 +0100 |
|---|---|---|
| committer | Marge Bot <ben+marge-bot@smart-cactus.org> | 2020-06-14 09:07:44 -0400 |
| commit | c0e6dee99242eff08420176a36d77b715972f1f2 (patch) | |
| tree | 4899be6a2dc500f79b9f67300362ba8a702a6b7a /aclocal.m4 | |
| parent | a31218f7737a65b6333ec7905e88dc094703f025 (diff) | |
| download | haskell-c0e6dee99242eff08420176a36d77b715972f1f2.tar.gz | |
winio: Add Atomic Exchange PrimOp and implement Atomic Ptr exchanges.
The initial version was rewritten by Tamar Christina.
It was rewritten in large parts by Andreas Klebinger.
Co-authored-by: Andreas Klebinger <klebinger.andreas@gmx.at>
Diffstat (limited to 'aclocal.m4')
| -rw-r--r-- | aclocal.m4 | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/aclocal.m4 b/aclocal.m4 index bce0f577bd..cd5fcc1ec0 100644 --- a/aclocal.m4 +++ b/aclocal.m4 @@ -1341,8 +1341,9 @@ AC_DEFUN([FP_GCC_VERSION], [ AC_MSG_CHECKING([version of gcc]) fp_cv_gcc_version="`$CC -v 2>&1 | sed -n -e '1,/version /s/.*version [[^0-9]]*\([[0-9.]]*\).*/\1/p'`" AC_MSG_RESULT([$fp_cv_gcc_version]) - FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-lt], [4.6], - [AC_MSG_ERROR([Need at least gcc version 4.6 (4.7+ recommended)])]) + # 4.7 is needed for __atomic_ builtins. + FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-lt], [4.7], + [AC_MSG_ERROR([Need at least gcc version 4.7 (newer recommended)])]) ]) AC_SUBST([GccVersion], [$fp_cv_gcc_version]) else |