diff --git a/makefile b/makefile index 96f55740..e87034f3 100644 --- a/makefile +++ b/makefile @@ -1136,11 +1136,15 @@ else ifneq (3,$(GCC_MAJOR_VERSION)) ifeq (,$(GCC_OPTIMIZERS_CMD)) GCC_OPTIMIZERS_CMD = ${GCC} --help=optimizers + GCC_COMMON_CMD = ${GCC} --help=common endif endif ifneq (,$(GCC_OPTIMIZERS_CMD)) GCC_OPTIMIZERS = $(shell $(GCC_OPTIMIZERS_CMD)) endif + ifneq (,$(GCC_COMMON_CMD)) + GCC_OPTIMIZERS += $(shell $(GCC_COMMON_CMD)) + endif ifneq (,$(findstring $(GCC_VERSION),$(LTO_EXCLUDE_VERSIONS))) NO_LTO = 1 endif @@ -1162,6 +1166,9 @@ else ifneq (,$(findstring -fstrict-overflow,$(GCC_OPTIMIZERS))) CFLAGS_O += -fno-strict-overflow endif + ifneq (,$(findstring -fcommon,$(GCC_OPTIMIZERS))$(findstring -fno-common,$(GCC_OPTIMIZERS))) + CFLAGS_O += -fcommon + endif ifeq (,$(NO_LTO)) ifneq (,$(findstring -flto,$(GCC_OPTIMIZERS))) CFLAGS_O += -flto -fwhole-program