SONARGO-57 Reduce the size of the Go binary (#68)

SonarSource · Jan 6, 2025 · bd17952 · bd17952
1 parent e869f93
commit bd17952
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Showing 4 changed files with 10 additions and 28 deletions.
diff --git a/sonar-go-plugin/build.gradle.kts b/sonar-go-plugin/build.gradle.kts
@@ -103,7 +103,7 @@ tasks.shadowJar {
         exclude("spotless/**")
     }
     doLast {
-        enforceJarSizeAndCheckContent(tasks.shadowJar.get().archiveFile.get().asFile, 9_000_000L, 9_500_000L)
+        enforceJarSizeAndCheckContent(tasks.shadowJar.get().archiveFile.get().asFile, 5_000_000L, 5_500_000L)
     }
 }
 

diff --git a/sonar-go-to-slang/Makefile b/sonar-go-to-slang/Makefile
diff --git a/sonar-go-to-slang/build.gradle.kts b/sonar-go-to-slang/build.gradle.kts
@@ -52,7 +52,9 @@ val compileGo by tasks.registering(Exec::class) {
             exclude("build/**", "*_generated.go")
         }
     )
+    outputs.file("goparser_generated.go")
     outputs.dir("build/executable")
+    outputs.cacheIf { true }
 
     callMake("build")
 }

diff --git a/sonar-go-to-slang/make.sh b/sonar-go-to-slang/make.sh
@@ -84,11 +84,14 @@ compile_binaries() {
   path_to_binary=$(install_go "${GO_VERSION}")
   # Build
   bash -c "${path_to_binary} run generate_source.go"
+
   mkdir -p build/executable
-  bash -c "GOOS=darwin GOARCH=amd64 ${path_to_binary} build -o build/executable/sonar-go-to-slang-darwin-amd64"
-  bash -c "GOOS=darwin GOARCH=arm64 ${path_to_binary} build -o build/executable/sonar-go-to-slang-darwin-arm64"
-  bash -c "GOOS=linux GOARCH=amd64 ${path_to_binary} build -o build/executable/sonar-go-to-slang-linux-amd64"
-  bash -c "GOOS=windows GOARCH=amd64 ${path_to_binary} build -o build/executable/sonar-go-to-slang-windows-amd64.exe"
+  # Note: -ldflags="-s -w" is used to strip debug information from the binary and reduce its size.
+  GO_FLAGS=(-ldflags='-s -w' -buildmode=exe)
+  CGO_ENABLED=0 GOOS=darwin GOARCH=amd64 ${path_to_binary} build -o build/executable/sonar-go-to-slang-darwin-amd64 "${GO_FLAGS[@]}"
+  CGO_ENABLED=0 GOOS=darwin GOARCH=arm64 ${path_to_binary} build -o build/executable/sonar-go-to-slang-darwin-arm64 "${GO_FLAGS[@]}"
+  CGO_ENABLED=0 GOOS=linux GOARCH=amd64 ${path_to_binary} build -o build/executable/sonar-go-to-slang-linux-amd64 "${GO_FLAGS[@]}"
+  CGO_ENABLED=0 GOOS=windows GOARCH=amd64 ${path_to_binary} build -o build/executable/sonar-go-to-slang-windows-amd64.exe "${GO_FLAGS[@]}"
 }
 
 generate_test_report() {