Give -fwrapv to gcc when it supports it

[ghc-hetmet.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 8b00e5a..85301aa 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -878,6 +878,7 @@ FP_HAVE_GCC
 FP_MINGW_GCC
 FP_GCC_NEEDS_NO_OMIT_LFPTR
 FP_GCC_HAS_NO_UNIT_AT_A_TIME
+FP_GCC_HAS_WRAPV
 
 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
 AC_PROG_CPP