Improve binary size by stripping more aggressively

diff --git a/Makefile b/Makefile
index b4407f9c5e3e443cf7d410151fd688792d2c2247..40926ffc13989d9a14c0058ddbe0572050bd9c61 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -6,14 +6,14 @@ DATE = $(shell go run tools/build-date.go)
 
 # Builds micro after checking dependencies but without updating the runtime
 build: deps tcell
-       go build -ldflags "-X main.Version=$(VERSION) -X main.CommitHash=$(HASH) -X 'main.CompileDate=$(DATE)'" ./cmd/micro
+       go build -ldflags "-s -w -X main.Version=$(VERSION) -X main.CommitHash=$(HASH) -X 'main.CompileDate=$(DATE)'" ./cmd/micro
 
 # Builds micro after building the runtime and checking dependencies
 build-all: runtime build
 
 # Builds micro without checking for dependencies
 build-quick:
-       go build -ldflags "-X main.Version=$(VERSION) -X main.CommitHash=$(HASH) -X 'main.CompileDate=$(DATE)'" ./cmd/micro
+       go build -ldflags "-s -w -X main.Version=$(VERSION) -X main.CommitHash=$(HASH) -X 'main.CompileDate=$(DATE)'" ./cmd/micro
 
 # Same as 'build' but installs to $GOPATH/bin afterward
 install: build

diff --git a/tools/cross-compile.sh b/tools/cross-compile.sh
index 8fff98ab675d114ced613b9501152bc86428d15f..6899d2e980e00b5b0b21a5dcc0fbd401d750e90c 100755 (executable)
--- a/tools/cross-compile.sh
+++ b/tools/cross-compile.sh
@@ -10,51 +10,51 @@ HASH="$(git rev-parse --short HEAD)"
 
 # Mac
 echo "OSX 64"
-GOOS=darwin GOARCH=amd64 go build -ldflags "-X main.Version=$1 -X main.CommitHash=$HASH -X 'main.CompileDate=$(date -u '+%B %d, %Y')'" -o micro-$1/micro ./cmd/micro
+GOOS=darwin GOARCH=amd64 go build -ldflags "-s -w -X main.Version=$1 -X main.CommitHash=$HASH -X 'main.CompileDate=$(date -u '+%B %d, %Y')'" -o micro-$1/micro ./cmd/micro
 tar -czf micro-$1-osx.tar.gz micro-$1
 mv micro-$1-osx.tar.gz binaries
 
 # Linux
 echo "Linux 64"
-GOOS=linux GOARCH=amd64 go build -ldflags "-X main.Version=$1 -X main.CommitHash=$HASH -X 'main.CompileDate=$(date -u '+%B %d, %Y')'" -o micro-$1/micro ./cmd/micro
+GOOS=linux GOARCH=amd64 go build -ldflags "-s -w -X main.Version=$1 -X main.CommitHash=$HASH -X 'main.CompileDate=$(date -u '+%B %d, %Y')'" -o micro-$1/micro ./cmd/micro
 tar -czf micro-$1-linux64.tar.gz micro-$1
 mv micro-$1-linux64.tar.gz binaries
 echo "Linux 32"
-GOOS=linux GOARCH=386 go build -ldflags "-X main.Version=$1 -X main.CommitHash=$HASH -X 'main.CompileDate=$(date -u '+%B %d, %Y')'" -o micro-$1/micro ./cmd/micro
+GOOS=linux GOARCH=386 go build -ldflags "-s -w -X main.Version=$1 -X main.CommitHash=$HASH -X 'main.CompileDate=$(date -u '+%B %d, %Y')'" -o micro-$1/micro ./cmd/micro
 tar -czf micro-$1-linux32.tar.gz micro-$1
 mv micro-$1-linux32.tar.gz binaries
 echo "Linux arm"
-GOOS=linux GOARCH=arm go build -ldflags "-X main.Version=$1 -X main.CommitHash=$HASH -X 'main.CompileDate=$(date -u '+%B %d, %Y')'" -o micro-$1/micro ./cmd/micro
+GOOS=linux GOARCH=arm go build -ldflags "-s -w -X main.Version=$1 -X main.CommitHash=$HASH -X 'main.CompileDate=$(date -u '+%B %d, %Y')'" -o micro-$1/micro ./cmd/micro
 tar -czf micro-$1-linux-arm.tar.gz micro-$1
 mv micro-$1-linux-arm.tar.gz binaries
 
 # NetBSD
 echo "NetBSD 64"
-GOOS=netbsd GOARCH=amd64 go build -ldflags "-X main.Version=$1 -X main.CommitHash=$HASH -X 'main.CompileDate=$(date -u '+%B %d, %Y')'" -o micro-$1/micro ./cmd/micro
+GOOS=netbsd GOARCH=amd64 go build -ldflags "-s -w -X main.Version=$1 -X main.CommitHash=$HASH -X 'main.CompileDate=$(date -u '+%B %d, %Y')'" -o micro-$1/micro ./cmd/micro
 tar -czf micro-$1-netbsd64.tar.gz micro-$1
 mv micro-$1-netbsd64.tar.gz binaries
 echo "NetBSD 32"
-GOOS=netbsd GOARCH=386 go build -ldflags "-X main.Version=$1 -X main.CommitHash=$HASH -X 'main.CompileDate=$(date -u '+%B %d, %Y')'" -o micro-$1/micro ./cmd/micro
+GOOS=netbsd GOARCH=386 go build -ldflags "-s -w -X main.Version=$1 -X main.CommitHash=$HASH -X 'main.CompileDate=$(date -u '+%B %d, %Y')'" -o micro-$1/micro ./cmd/micro
 tar -czf micro-$1-netbsd32.tar.gz micro-$1
 mv micro-$1-netbsd32.tar.gz binaries
 
 # OpenBSD
 echo "OpenBSD 64"
-GOOS=openbsd GOARCH=amd64 go build -ldflags "-X main.Version=$1 -X main.CommitHash=$HASH -X 'main.CompileDate=$(date -u '+%B %d, %Y')'" -o micro-$1/micro ./cmd/micro
+GOOS=openbsd GOARCH=amd64 go build -ldflags "-s -w -X main.Version=$1 -X main.CommitHash=$HASH -X 'main.CompileDate=$(date -u '+%B %d, %Y')'" -o micro-$1/micro ./cmd/micro
 tar -czf micro-$1-openbsd64.tar.gz micro-$1
 mv micro-$1-openbsd64.tar.gz binaries
 echo "OpenBSD 32"
-GOOS=openbsd GOARCH=386 go build -ldflags "-X main.Version=$1 -X main.CommitHash=$HASH -X 'main.CompileDate=$(date -u '+%B %d, %Y')'" -o micro-$1/micro ./cmd/micro
+GOOS=openbsd GOARCH=386 go build -ldflags "-s -w -X main.Version=$1 -X main.CommitHash=$HASH -X 'main.CompileDate=$(date -u '+%B %d, %Y')'" -o micro-$1/micro ./cmd/micro
 tar -czf micro-$1-openbsd32.tar.gz micro-$1
 mv micro-$1-openbsd32.tar.gz binaries
 
 # FreeBSD
 echo "FreeBSD 64"
-GOOS=freebsd GOARCH=amd64 go build -ldflags "-X main.Version=$1 -X main.CommitHash=$HASH -X 'main.CompileDate=$(date -u '+%B %d, %Y')'" -o micro-$1/micro ./cmd/micro
+GOOS=freebsd GOARCH=amd64 go build -ldflags "-s -w -X main.Version=$1 -X main.CommitHash=$HASH -X 'main.CompileDate=$(date -u '+%B %d, %Y')'" -o micro-$1/micro ./cmd/micro
 tar -czf micro-$1-freebsd64.tar.gz micro-$1
 mv micro-$1-freebsd64.tar.gz binaries
 echo "FreeBSD 32"
-GOOS=freebsd GOARCH=386 go build -ldflags "-X main.Version=$1 -X main.CommitHash=$HASH -X 'main.CompileDate=$(date -u '+%B %d, %Y')'" -o micro-$1/micro ./cmd/micro
+GOOS=freebsd GOARCH=386 go build -ldflags "-s -w -X main.Version=$1 -X main.CommitHash=$HASH -X 'main.CompileDate=$(date -u '+%B %d, %Y')'" -o micro-$1/micro ./cmd/micro
 tar -czf micro-$1-freebsd32.tar.gz micro-$1
 mv micro-$1-freebsd32.tar.gz binaries
 
@@ -62,11 +62,11 @@ rm micro-$1/micro
 
 # Windows
 echo "Windows 64"
-GOOS=windows GOARCH=amd64 go build -ldflags "-X main.Version=$1 -X main.CommitHash=$HASH -X 'main.CompileDate=$(date -u '+%B %d, %Y')'" -o micro-$1/micro.exe ./cmd/micro
+GOOS=windows GOARCH=amd64 go build -ldflags "-s -w -X main.Version=$1 -X main.CommitHash=$HASH -X 'main.CompileDate=$(date -u '+%B %d, %Y')'" -o micro-$1/micro.exe ./cmd/micro
 zip -r -q -T micro-$1-win64.zip micro-$1
 mv micro-$1-win64.zip binaries
 echo "Windows 32"
-GOOS=windows GOARCH=386 go build -ldflags "-X main.Version=$1 -X main.CommitHash=$HASH -X 'main.CompileDate=$(date -u '+%B %d, %Y')'" -o micro-$1/micro.exe ./cmd/micro
+GOOS=windows GOARCH=386 go build -ldflags "-s -w -X main.Version=$1 -X main.CommitHash=$HASH -X 'main.CompileDate=$(date -u '+%B %d, %Y')'" -o micro-$1/micro.exe ./cmd/micro
 zip -r -q -T micro-$1-win32.zip micro-$1
 mv micro-$1-win32.zip binaries