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build: Add support to strip the binary

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This provides a flag "STRIP=yes" to strip the golang binary

After this patch, the binary size is reduced a lot:
19356680 containerd-shim-kata-v2*
25980728 containerd-shim-kata-v2.nostip*
 4021784 kata-netmon*
 5093992 kata-netmon.nostrip*
26339392 kata-runtime*
33097344 kata-runtime.nostrip*

Fixes: #2455
Signed-off-by: Jia He <justin.he@arm.com>
This commit is contained in:
Jia He 2020-02-11 17:27:25 +08:00
parent f8e52544bf
commit 2c3b4657f5
1 changed files with 8 additions and 3 deletions
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11
Makefile
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@ -463,6 +463,11 @@ QUIET_TEST = $(Q:@=@echo ' TEST '$@;)
# go build common flags
BUILDFLAGS := -buildmode=pie
# whether stipping the binary
ifeq ($(STRIP),yes)
LDFLAGS := -ldflags "-w -s"
endif
# Return non-empty string if specified directory exists
define DIR_EXISTS
$(shell test -d $(1) && echo "$(1)")
@ -490,7 +495,7 @@ containerd-shim-v2: $(SHIMV2_OUTPUT)
netmon: $(NETMON_TARGET_OUTPUT)
$(NETMON_TARGET_OUTPUT): $(SOURCES) VERSION
$(QUIET_BUILD)(cd $(NETMON_DIR) && go build $(BUILDFLAGS) -o $@ -ldflags "-X main.version=$(VERSION)")
$(QUIET_BUILD)(cd $(NETMON_DIR) && go build $(BUILDFLAGS) -o $@ -ldflags "-X main.version=$(VERSION)" $(LDFLAGS))
runtime: $(TARGET_OUTPUT) $(CONFIGS)
.DEFAULT: default
@ -527,10 +532,10 @@ endef
GENERATED_FILES += $(CLI_DIR)/config-generated.go
$(TARGET_OUTPUT): $(SOURCES) $(GENERATED_FILES) $(MAKEFILE_LIST) | show-summary
$(QUIET_BUILD)(cd $(CLI_DIR) && go build $(BUILDFLAGS) -o $@ .)
$(QUIET_BUILD)(cd $(CLI_DIR) && go build $(LDFLAGS) $(BUILDFLAGS) -o $@ .)
$(SHIMV2_OUTPUT): $(SOURCES) $(GENERATED_FILES) $(MAKEFILE_LIST)
$(QUIET_BUILD)(cd $(SHIMV2_DIR)/ && go build -i -o $@ .)
$(QUIET_BUILD)(cd $(SHIMV2_DIR)/ && go build $(LDFLAGS) -i -o $@ .)
.PHONY: \
check \