diff options
Diffstat (limited to 'Rules.mak')
| -rw-r--r-- | Rules.mak | 25 |
1 files changed, 13 insertions, 12 deletions
@@ -91,6 +91,8 @@ endif # A nifty macro to make testing gcc features easier check_gcc=$(shell if $(CC) $(1) -S -o /dev/null -xc /dev/null > /dev/null 2>&1; \ then echo "$(1)"; else echo "$(2)"; fi) +check_as=$(shell if $(CC) -Wa,$(1) -Wa,-Z -c -o /dev/null -xassembler /dev/null > /dev/null 2>&1; \ + then echo "-Wa,$(1)"; fi) # Make certain these contain a final "/", but no "//"s. TARGET_ARCH:=$(shell grep -s ^TARGET_ARCH $(TOPDIR)/.config | sed -e 's/^TARGET_ARCH=//' -e 's/"//g') @@ -211,7 +213,6 @@ endif ifeq ($(strip $(TARGET_ARCH)),frv) CPU_LDFLAGS-$(CONFIG_FRV)+=-melf32frvfd CPU_CFLAGS-$(CONFIG_FRV)+=-mfdpic - PICFLAG=-fPIC -DPIC # Using -pie causes the program to have an interpreter, which is # forbidden, so we must make do with -shared. Unfortunately, # -shared by itself would get us global function descriptors @@ -251,27 +252,28 @@ PIEFLAG= LDPIEFLAG= endif -SSP_DISABLE_FLAGS=$(call check_gcc,-fno-stack-protector,) +SSP_DISABLE_FLAGS:=$(call check_gcc,-fno-stack-protector,) ifeq ($(UCLIBC_BUILD_SSP),y) -SSP_CFLAGS=$(call check_gcc,-fno-stack-protector-all,) +SSP_CFLAGS:=$(call check_gcc,-fno-stack-protector-all,) SSP_CFLAGS+=$(call check_gcc,-fstack-protector,) -SSP_ALL_CFLAGS=$(call check_gcc,-fstack-protector-all,) +SSP_ALL_CFLAGS:=$(call check_gcc,-fstack-protector-all,) else -SSP_CFLAGS=$(SSP_DISABLE_FLAGS) +SSP_CFLAGS:=$(SSP_DISABLE_FLAGS) endif # Some nice CFLAGS to work with -CFLAGS=$(XWARNINGS) $(OPTIMIZATION) $(XARCH_CFLAGS) $(CPU_CFLAGS) $(SSP_CFLAGS) \ +CFLAGS:=$(XWARNINGS) $(CPU_CFLAGS) $(SSP_CFLAGS) \ -fno-builtin -nostdinc -D_LIBC -I$(TOPDIR)include -I. +LDFLAGS_NOSTRIP:=$(CPU_LDFLAGS-y) -shared --warn-common --warn-once -z combreloc -z defs ifeq ($(DODEBUG),y) #CFLAGS += -g3 - CFLAGS = $(XWARNINGS) -O0 -g3 $(CPU_CFLAGS) $(SSP_CFLAGS) \ - -fno-builtin -nostdinc -D_LIBC -I$(TOPDIR)include -I. - LDFLAGS:= $(CPU_LDFLAGS-y) -shared --warn-common --warn-once -z combreloc + CFLAGS += -O0 -g3 + LDFLAGS := $(LDFLAGS_NOSTRIP) STRIPTOOL:= true -Since_we_are_debugging else - LDFLAGS := $(CPU_LDFLAGS-y) -s -shared --warn-common --warn-once -z combreloc + CFLAGS += $(OPTIMIZATION) $(XARCH_CFLAGS) + LDFLAGS := $(LDFLAGS_NOSTRIP) -s endif ifeq ($(UCLIBC_BUILD_RELRO),y) @@ -307,8 +309,7 @@ endif ASFLAGS = $(CFLAGS) ifeq ($(UCLIBC_BUILD_NOEXECSTACK),y) -check_as_noexecstack=$(shell if $(LD) --help | grep -q "z noexecstack"; then echo "-Wa,--noexecstack"; fi) -ASFLAGS += $(check_as_noexecstack) +ASFLAGS += $(call check_as,--noexecstack) endif LIBGCC_CFLAGS ?= $(CFLAGS) $(CPU_CFLAGS-y) |