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| 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 /configure.ac | |
| 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 'configure.ac')
| -rw-r--r-- | configure.ac | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index f7b02e8dcf..84880d8cb4 100644 --- a/configure.ac +++ b/configure.ac @@ -744,6 +744,8 @@ dnl unregisterised, Sparc, and PPC backends. FP_GCC_SUPPORTS__ATOMICS if test $CONF_GCC_SUPPORTS__ATOMICS = YES ; then AC_DEFINE([HAVE_C11_ATOMICS], [1], [Does GCC support __atomic primitives?]) +else + AC_MSG_ERROR([C compiler needs to support __atomic primitives.]) fi FP_GCC_EXTRA_FLAGS |