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-rw-r--r--ACE/m4/compiler.m43
1 files changed, 3 insertions, 0 deletions
diff --git a/ACE/m4/compiler.m4 b/ACE/m4/compiler.m4
index ce202c8b8b7..14ba9708690 100644
--- a/ACE/m4/compiler.m4
+++ b/ACE/m4/compiler.m4
@@ -161,6 +161,9 @@ dnl @todo Clean up / consolidate these conditionals
;;
aCC)
CFLAGS = "${CFLAGS:-} -Ae"
+ # We want support for long long; without this the feature checks
+ # for wcstoll et al detect the function but it won't compile.
+ CXXFLAGS="$CXXFLAGS -ext"
# -AA has been available since aC++ x.27 (2001?) - if using a
# compiler without this support, must --enable_stdcpplib=no.
if test "$ace_user_enable_stdcpplib" = yes; then