From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Benjamin Marzinski Date: Wed, 19 Apr 2017 06:10:01 -0500 Subject: [PATCH] RH: use rpm optflags if present Use the passed in optflags when compiling as an RPM, and keep the default flags as close as possible to the current fedora flags, while still being generic. Signed-off-by: Benjamin Marzinski --- Makefile.inc | 26 +++++++++++++++++++------- 1 file changed, 19 insertions(+), 7 deletions(-) diff --git a/Makefile.inc b/Makefile.inc index 2a75dc9c..5ac660de 100644 --- a/Makefile.inc +++ b/Makefile.inc @@ -92,23 +92,35 @@ TEST_CC_OPTION = $(shell \ echo "$(2)"; \ fi) -STACKPROT := $(call TEST_CC_OPTION,-fstack-protector-strong,-fstack-protector) ERROR_DISCARDED_QUALIFIERS := $(call TEST_CC_OPTION,-Werror=discarded-qualifiers,) WNOCLOBBERED := $(call TEST_CC_OPTION,-Wno-clobbered -Wno-error=clobbered,) WFORMATOVERFLOW := $(call TEST_CC_OPTION,-Wformat-overflow=2,) -OPTFLAGS := -O2 -g $(STACKPROT) --param=ssp-buffer-size=4 -WARNFLAGS := -Werror -Wall -Wextra -Wformat=2 $(WFORMATOVERFLOW) -Werror=implicit-int \ +ifndef RPM_OPT_FLAGS + STACKPROT := $(call TEST_CC_OPTION,-fstack-protector-strong,-fstack-protector) + OPTFLAGS := -O2 -g -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions \ + $(STACKPROT) -grecord-gcc-switches \ + -fasynchronous-unwind-tables --param=ssp-buffer-size=4 + ifeq ($(shell test -f /usr/lib/rpm/redhat/redhat-hardened-cc1 && echo 1),1) + OPTFLAGS += -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 + endif + ifeq ($(shell test -f /usr/lib/rpm/redhat/redhat-annobin-cc1 && echo 1),1) + OPTFLAGS += -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 + endif +else + OPTFLAGS := $(RPM_OPT_FLAGS) --param=ssp-buffer-size=4 +endif +WARNFLAGS := -Werror -Wextra -Wformat=2 $(WFORMATOVERFLOW) -Werror=implicit-int \ -Werror=implicit-function-declaration -Werror=format-security \ - $(WNOCLOBBERED) -Werror=cast-qual $(ERROR_DISCARDED_QUALIFIERS) -CPPFLAGS := -Wp,-D_FORTIFY_SOURCE=2 + $(WNOCLOBBERED) -Werror=cast-qual $(ERROR_DISCARDED_QUALIFIERS) \ + -Wstrict-prototypes CFLAGS := --std=gnu99 $(CFLAGS) $(OPTFLAGS) $(WARNFLAGS) -pipe \ -DBIN_DIR=\"$(bindir)\" -DLIB_STRING=\"${LIB}\" -DRUN_DIR=\"${RUN}\" \ -MMD -MP BIN_CFLAGS = -fPIE -DPIE LIB_CFLAGS = -fPIC SHARED_FLAGS = -shared -LDFLAGS := $(LDFLAGS) -Wl,-z,relro -Wl,-z,now -Wl,-z,defs +LDFLAGS := $(LDFLAGS) $(RPM_LD_FLAGS) -Wl,-z,relro -Wl,-z,now -Wl,-z,defs BIN_LDFLAGS = -pie # Check whether a function with name $1 has been declared in header file $2. @@ -139,4 +151,4 @@ check_file = $(shell \ %.o: %.c @echo building $@ because of $? - $(CC) $(CFLAGS) $(CPPFLAGS) -c -o $@ $< + $(CC) $(CFLAGS) -c -o $@ $<