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-rw-r--r--tmk_core/rules.mk5
1 files changed, 5 insertions, 0 deletions
diff --git a/tmk_core/rules.mk b/tmk_core/rules.mk
index f5f758943e..bbcfc1e4d1 100644
--- a/tmk_core/rules.mk
+++ b/tmk_core/rules.mk
@@ -108,6 +108,10 @@ endif
CFLAGS += -Wa,-adhlns=$(@:%.o=%.lst)
CFLAGS += $(CSTANDARD)
+# This fixes lots of keyboards linking errors but SHOULDN'T BE A FINAL SOLUTION
+# Fixing of multiple variable definitions must be made.
+CFLAGS += -fcommon
+
#---------------- Compiler Options C++ ----------------
# -g*: generate debugging information
# -O*: optimization level
@@ -124,6 +128,7 @@ CXXFLAGS += -O$(OPT)
CXXFLAGS += -w
CXXFLAGS += -Wall
CXXFLAGS += -Wundef
+
ifneq ($(strip $(ALLOW_WARNINGS)), yes)
CXXFLAGS += -Werror
endif