diff options
Diffstat (limited to 'Rules.mak')
| -rw-r--r-- | Rules.mak | 15 |
1 files changed, 12 insertions, 3 deletions
@@ -252,6 +252,7 @@ ARFLAGS:=cr # Note: The check for -nostdlib has to be before all calls to check_ld $(eval $(call check-gcc-var,-nostdlib)) +$(eval $(call check-gcc-var,-nostartfiles)) # deliberately not named CFLAG-fuse-ld since unchecked and from user LDFLAG-fuse-ld := $(filter -fuse-ld=%,$(call qstrip,$(UCLIBC_EXTRA_CFLAGS))) # failed to merge target specific data of file /dev/null @@ -663,14 +664,18 @@ LDFLAGS_NOSTRIP += $(CFLAG_-Wl--hash-style=gnu) endif endif -LDFLAGS:=$(LDFLAGS_NOSTRIP) -Wl,-z,defs ifeq ($(DODEBUG),y) CFLAGS += -O0 -g3 -DDEBUG else CFLAGS += $(OPTIMIZATION) CFLAGS += $(OPTIMIZATION-$(GCC_MAJOR_VER)) CFLAGS += $(OPTIMIZATION-$(GCC_MAJOR_VER).$(GCC_MINOR_VER)) +$(eval $(call check-ld-var,-O2)) +LDFLAGS_NOSTRIP += $(CFLAG_-Wl-O2) endif + +LDFLAGS:=$(LDFLAGS_NOSTRIP) -Wl,-z,defs + ifeq ($(DOSTRIP),y) LDFLAGS += -Wl,-s else @@ -784,8 +789,12 @@ endif ASFLAGS += $(ASFLAG_--noexecstack) LIBGCC_CFLAGS ?= $(CFLAGS) $(CPU_CFLAGS-y) -$(eval $(call cache-output-var,LIBGCC,$(CC) $(LIBGCC_CFLAGS) -print-libgcc-file-name)) -LIBGCC_DIR:=$(dir $(LIBGCC)) +$(eval $(call cache-output-var,LIBGCC_A,$(CC) $(LIBGCC_CFLAGS) -print-libgcc-file-name)) +$(eval $(call cache-output-var,LIBGCC_EH,$(CC) $(LIBGCC_CFLAGS) -print-file-name=libgcc_eh.a)) +# with -O0 we (e.g. lockf) might end up with references to +# _Unwind_Resume, so pull in gcc_eh in this case.. +LIBGCC_DIR := $(dir $(LIBGCC_A)) +LIBGCC := $(LIBGCC_A) $(if $(DODEBUG),$(LIBGCC_EH)) # moved from libpthread/linuxthreads ifeq ($(UCLIBC_CTOR_DTOR),y) |