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-rw-r--r--config.mak.dev5
1 files changed, 5 insertions, 0 deletions
diff --git a/config.mak.dev b/config.mak.dev
index 7673fed114..d4afac6b51 100644
--- a/config.mak.dev
+++ b/config.mak.dev
@@ -19,6 +19,11 @@ endif
endif
endif
endif
+
+ifneq ($(or $(filter gcc6,$(COMPILER_FEATURES)),$(filter clang7,$(COMPILER_FEATURES))),)
+DEVELOPER_CFLAGS += -std=gnu99
+endif
+
DEVELOPER_CFLAGS += -Wdeclaration-after-statement
DEVELOPER_CFLAGS += -Wformat-security
DEVELOPER_CFLAGS += -Wold-style-definition