Build system improvements

- remove cgo specific environment variables from goreleaser
  configuration
- add -trimpath option to go build calls
- add snapshot target in Makefile to run goreleaser

.goreleaser.yaml

@@ -13,9 +13,6 @@ builds:
       - linux
     goarch:
       - amd64
-    env:
-      - CC=x86_64-linux-gnu-gcc
-      - CXX=x86_64-linux-gnu-g++
   - id: linux-arm64
     main: ./cmd/signerclient
     binary: cacert-gosigner
@@ -25,10 +22,6 @@ builds:
       - arm64
     goarm:
       - "9"
-    env:
-      - CC=aarch64-linux-gnu-gcc
-      - CXX=aarch64-linux-gnu-g++
-      - PKG_CONFIG_PATH=/usr/aarch64-linux-gnu/pkgconfig
   - id: linux-armhf
     main: ./cmd/signerclient
     binary: cacert-gosigner
@@ -38,10 +31,6 @@ builds:
       - arm
     goarm:
       - "7"
-    env:
-      - CC=arm-linux-gnueabihf-gcc
-      - CXX=arm-linux-gnueabihf-g++
-      - PKG_CONFIG_PATH=/usr/arm-linux-gnueabihf/pkgconfig
 archives:
   - id: cacert-gosignerclient
     builds:

Makefile

@@ -12,9 +12,12 @@ test:
 	go test -race ./...
 
 signerclient: $(GOFILES)
-	go build -race -ldflags="-X 'main.date=$(BUILD_TIME)' -X 'main.commit=$(COMMIT)' -X 'main.version=$(VERSION)'" ./cmd/signerclient
+	go build -race -trimpath -ldflags="-X 'main.date=$(BUILD_TIME)' -X 'main.commit=$(COMMIT)' -X 'main.version=$(VERSION)'" ./cmd/signerclient
 
 clean:
 	rm -f signerclient
 
-.PHONY: test lint all clean
+snapshot:
+	goreleaser build --rm-dist --snapshot
+
+.PHONY: test lint all clean snapshot