folkert/simh-testsetgenerator
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

makefile: Force gcc/clang -fcommon to address future gcc -fno-common default

Browse source 
as reported and discussed in #794
This commit is contained in:
Mark Pizzolato 2020-01-29 11:39:36 -08:00
parent 30c182a10c
commit ca4b733883
1 changed files with 7 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
makefile
View file

@ -1136,11 +1136,15 @@ else
ifneq (3,$(GCC_MAJOR_VERSION)) ifneq (3,$(GCC_MAJOR_VERSION))
ifeq (,$(GCC_OPTIMIZERS_CMD)) ifeq (,$(GCC_OPTIMIZERS_CMD))
GCC_OPTIMIZERS_CMD = ${GCC} --help=optimizers GCC_OPTIMIZERS_CMD = ${GCC} --help=optimizers
GCC_COMMON_CMD = ${GCC} --help=common
endif endif
endif endif
ifneq (,$(GCC_OPTIMIZERS_CMD)) ifneq (,$(GCC_OPTIMIZERS_CMD))
GCC_OPTIMIZERS = $(shell $(GCC_OPTIMIZERS_CMD)) GCC_OPTIMIZERS = $(shell $(GCC_OPTIMIZERS_CMD))
endif endif
ifneq (,$(GCC_COMMON_CMD))
GCC_OPTIMIZERS += $(shell $(GCC_COMMON_CMD))
endif
ifneq (,$(findstring $(GCC_VERSION),$(LTO_EXCLUDE_VERSIONS))) ifneq (,$(findstring $(GCC_VERSION),$(LTO_EXCLUDE_VERSIONS)))
NO_LTO = 1 NO_LTO = 1
endif endif
@ -1162,6 +1166,9 @@ else
ifneq (,$(findstring -fstrict-overflow,$(GCC_OPTIMIZERS))) ifneq (,$(findstring -fstrict-overflow,$(GCC_OPTIMIZERS)))
CFLAGS_O += -fno-strict-overflow CFLAGS_O += -fno-strict-overflow
endif endif
ifneq (,$(findstring -fcommon,$(GCC_OPTIMIZERS))$(findstring -fno-common,$(GCC_OPTIMIZERS)))
CFLAGS_O += -fcommon
endif
ifeq (,$(NO_LTO)) ifeq (,$(NO_LTO))
ifneq (,$(findstring -flto,$(GCC_OPTIMIZERS))) ifneq (,$(findstring -flto,$(GCC_OPTIMIZERS)))
CFLAGS_O += -flto -fwhole-program CFLAGS_O += -flto -fwhole-program