Optimize (-O2) host binaries by default

Default HOST_CFLAGS to -O2, so host tools (like the cross compiler) are
built with optimization by default.

Based on a patch by Will Newton <will.newton@gmail.com>.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
This commit is contained in:
Peter Korsgaard 2010-10-29 21:00:26 +02:00
parent df3e367c5b
commit 3be4968343
3 changed files with 2 additions and 10 deletions

View File

@ -148,15 +148,6 @@ HOSTLD:=$(shell which $(HOSTLD) || type -p $(HOSTLD) || echo ld)
HOSTLN:=$(shell which $(HOSTLN) || type -p $(HOSTLN) || echo ln)
HOSTNM:=$(shell which $(HOSTNM) || type -p $(HOSTNM) || echo nm)
ifndef CFLAGS_FOR_BUILD
CFLAGS_FOR_BUILD:=-g -O2
endif
ifndef CXXFLAGS_FOR_BUILD
CXXFLAGS_FOR_BUILD:=-g -O2
endif
ifndef FCFLAGS_FOR_BUILD
FCFLAGS_FOR_BUILD:=-g -O2
endif
export HOSTAR HOSTAS HOSTCC HOSTCXX HOSTFC HOSTLD
# bash prints the name of the directory on 'cd <dir>' if CDPATH is

View File

@ -169,6 +169,7 @@ FLEX:=$(shell which flex || type -p flex)
BISON:=$(shell which bison || type -p bison)
SED:=$(shell which sed || type -p sed) -i -e
HOST_CFLAGS ?= -O2
HOST_CFLAGS += -I$(HOST_DIR)/include -I$(HOST_DIR)/usr/include
HOST_CXXFLAGS += -I$(HOST_DIR)/include -I$(HOST_DIR)/usr/include
HOST_LDFLAGS += -L$(HOST_DIR)/lib -L$(HOST_DIR)/usr/lib -Wl,-rpath,$(HOST_DIR)/usr/lib

View File

@ -16,7 +16,7 @@ SSTRIP_HOST:=$(STAGING_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-sstrip
$(SSTRIP_HOST): $(SSTRIP_SOURCE_FILE)
mkdir -p $(@D) $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/bin
$(HOSTCC) $(CFLAGS_FOR_BUILD) $(SSTRIP_SOURCE_FILE) -o $(SSTRIP_HOST)
$(HOSTCC) $(HOST_CFLAGS) $(SSTRIP_SOURCE_FILE) -o $(SSTRIP_HOST)
ln -snf ../../bin/$(REAL_GNU_TARGET_NAME)-sstrip \
$(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/bin/sstrip
ln -snf $(REAL_GNU_TARGET_NAME)-sstrip \