forked from Minki/linux
4b0b2b096d
Unconditionally defining _FORTIFY_SOURCE can break tools that don't work
with it, such as memory sanitizers:
https://github.com/google/sanitizers/wiki/AddressSanitizer#faq
Fixes: 4b6ab94eab ("perf subcmd: Create subcmd library")
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lore.kernel.org/lkml/20190925195924.152834-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
68 lines
1.4 KiB
Makefile
68 lines
1.4 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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include ../../scripts/Makefile.include
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include ../../scripts/utilities.mak # QUIET_CLEAN
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ifeq ($(srctree),)
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srctree := $(patsubst %/,%,$(dir $(CURDIR)))
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srctree := $(patsubst %/,%,$(dir $(srctree)))
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srctree := $(patsubst %/,%,$(dir $(srctree)))
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#$(info Determined 'srctree' to be $(srctree))
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endif
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CC ?= $(CROSS_COMPILE)gcc
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LD ?= $(CROSS_COMPILE)ld
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AR ?= $(CROSS_COMPILE)ar
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RM = rm -f
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MAKEFLAGS += --no-print-directory
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LIBFILE = $(OUTPUT)libsubcmd.a
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CFLAGS := $(EXTRA_WARNINGS) $(EXTRA_CFLAGS)
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CFLAGS += -ggdb3 -Wall -Wextra -std=gnu99 -fPIC
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ifeq ($(DEBUG),0)
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ifeq ($(feature-fortify-source), 1)
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CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
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endif
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endif
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ifeq ($(CC_NO_CLANG), 0)
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CFLAGS += -O3
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else
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CFLAGS += -O6
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endif
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# Treat warnings as errors unless directed not to
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ifneq ($(WERROR),0)
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CFLAGS += -Werror
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endif
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CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
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CFLAGS += -I$(srctree)/tools/include/
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SUBCMD_IN := $(OUTPUT)libsubcmd-in.o
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all:
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export srctree OUTPUT CC LD CFLAGS V
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include $(srctree)/tools/build/Makefile.include
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all: fixdep $(LIBFILE)
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$(SUBCMD_IN): FORCE
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@$(MAKE) $(build)=libsubcmd
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$(LIBFILE): $(SUBCMD_IN)
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$(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $(SUBCMD_IN)
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clean:
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$(call QUIET_CLEAN, libsubcmd) $(RM) $(LIBFILE); \
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find $(if $(OUTPUT),$(OUTPUT),.) -name \*.o -or -name \*.o.cmd -or -name \*.o.d | xargs $(RM)
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FORCE:
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.PHONY: clean FORCE
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