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Diffstat (limited to 'configure.ac')
-rw-r--r-- | configure.ac | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 2b05535e20..f7943752cb 100644 --- a/configure.ac +++ b/configure.ac @@ -739,6 +739,11 @@ FP_GCC_VERSION dnl ** See whether gcc supports -no-pie FP_GCC_SUPPORTS_NO_PIE +dnl ** Used to determine how to compile ghc-prim's atomics.c, used by +dnl unregisterised, Sparc, and PPC backends. +FP_GCC_SUPPORTS__ATOMICS +AC_DEFINE([HAVE_C11_ATOMICS], [$CONF_GCC_SUPPORTS__ATOMICS], [Does GCC support __atomic primitives?]) + FP_GCC_EXTRA_FLAGS dnl ** look to see if we have a C compiler using an llvm back end. |