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-rw-r--r--Rules.mak2
1 files changed, 2 insertions, 0 deletions
diff --git a/Rules.mak b/Rules.mak
index c738a2831..e2b3b24d8 100644
--- a/Rules.mak
+++ b/Rules.mak
@@ -259,6 +259,8 @@ endif
OPTIMIZATION+=$(call check_gcc,-Os,-O2)
# Use the gcc 3.4 -funit-at-a-time optimization when available
OPTIMIZATION+=$(call check_gcc,-funit-at-a-time,)
+# gcc 4.x needs -fcombine, else building all sources at once fails
+OPTIMIZATION+=$(call check_gcc,-fcombine,)
# Add a bunch of extra pedantic annoyingly strict checks
XWARNINGS=$(subst ",, $(strip $(WARNINGS))) -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing