diff --git a/cmd/gomobile/bind_iosapp.go b/cmd/gomobile/bind_iosapp.go
index 47f5e98..a9f7a7f 100644
--- a/cmd/gomobile/bind_iosapp.go
+++ b/cmd/gomobile/bind_iosapp.go
@@ -45,11 +45,11 @@
 	}
 
 	// Run the gobind command for each platform
-	var wg errgroup.Group
+	var gobindWG errgroup.Group
 	for platform, outDir := range outDirsForPlatform {
 		platform := platform
 		outDir := outDir
-		wg.Go(func() error {
+		gobindWG.Go(func() error {
 			// Catalyst support requires iOS 13+
 			v, _ := strconv.ParseFloat(buildIOSVersion, 64)
 			if platform == "maccatalyst" && v < 13.0 {
@@ -78,7 +78,7 @@
 			return nil
 		})
 	}
-	if err := wg.Wait(); err != nil {
+	if err := gobindWG.Wait(); err != nil {
 		return err
 	}
 
@@ -87,12 +87,60 @@
 		return err
 	}
 
+	// Build archive files.
+	var buildWG errgroup.Group
+	for _, t := range targets {
+		t := t
+		buildWG.Go(func() error {
+			outDir := outDirsForPlatform[t.platform]
+			outSrcDir := filepath.Join(outDir, "src")
+
+			if modulesUsed {
+				// Copy the source directory for each architecture for concurrent building.
+				newOutSrcDir := filepath.Join(outDir, "src-"+t.arch)
+				if !buildN {
+					if err := doCopyAll(newOutSrcDir, outSrcDir); err != nil {
+						return err
+					}
+				}
+				outSrcDir = newOutSrcDir
+			}
+
+			// Copy the environment variables to make this function concurrent-safe.
+			env := make([]string, len(appleEnv[t.String()]))
+			copy(env, appleEnv[t.String()])
+
+			// Add the generated packages to GOPATH for reverse bindings.
+			gopath := fmt.Sprintf("GOPATH=%s%c%s", outDir, filepath.ListSeparator, goEnv("GOPATH"))
+			env = append(env, gopath)
+
+			// Run `go mod tidy` to force to create go.sum.
+			// Without go.sum, `go build` fails as of Go 1.16.
+			if modulesUsed {
+				if err := writeGoMod(outSrcDir, t.platform, t.arch); err != nil {
+					return err
+				}
+				if err := goModTidyAt(outSrcDir, env); err != nil {
+					return err
+				}
+			}
+
+			if err := goAppleBindArchive(appleArchiveFilepath(name, t), env, outSrcDir); err != nil {
+				return fmt.Errorf("%s/%s: %v", t.platform, t.arch, err)
+			}
+
+			return nil
+		})
+	}
+	if err := buildWG.Wait(); err != nil {
+		return err
+	}
+
 	var frameworkDirs []string
 	frameworkArchCount := map[string]int{}
 	for _, t := range targets {
 		outDir := outDirsForPlatform[t.platform]
-		outSrcDir := filepath.Join(outDir, "src")
-		gobindDir := filepath.Join(outSrcDir, "gobind")
+		gobindDir := filepath.Join(outDir, "src", "gobind")
 
 		env := appleEnv[t.String()][:]
 		sdk := getenv(env, "DARWIN_SDK")
@@ -101,33 +149,6 @@
 		frameworkDirs = append(frameworkDirs, frameworkDir)
 		frameworkArchCount[frameworkDir] = frameworkArchCount[frameworkDir] + 1
 
-		fileBases := make([]string, len(pkgs)+1)
-		for i, pkg := range pkgs {
-			fileBases[i] = bindPrefix + strings.Title(pkg.Name)
-		}
-		fileBases[len(fileBases)-1] = "Universe"
-
-		// Add the generated packages to GOPATH for reverse bindings.
-		gopath := fmt.Sprintf("GOPATH=%s%c%s", outDir, filepath.ListSeparator, goEnv("GOPATH"))
-		env = append(env, gopath)
-
-		if err := writeGoMod(filepath.Join(outDir, "src"), t.platform, t.arch); err != nil {
-			return err
-		}
-
-		// Run `go mod tidy` to force to create go.sum.
-		// Without go.sum, `go build` fails as of Go 1.16.
-		if modulesUsed {
-			if err := goModTidyAt(outSrcDir, env); err != nil {
-				return err
-			}
-		}
-
-		path, err := goAppleBindArchive(name+"-"+t.platform+"-"+t.arch, env, outSrcDir)
-		if err != nil {
-			return fmt.Errorf("%s/%s: %v", t.platform, t.arch, err)
-		}
-
 		versionsDir := filepath.Join(frameworkDir, "Versions")
 		versionsADir := filepath.Join(versionsDir, "A")
 		titlePath := filepath.Join(versionsADir, title)
@@ -135,7 +156,7 @@
 			// Not the first static lib, attach to a fat library and skip create headers
 			fatCmd := exec.Command(
 				"xcrun",
-				"lipo", path, titlePath, "-create", "-output", titlePath,
+				"lipo", appleArchiveFilepath(name, t), titlePath, "-create", "-output", titlePath,
 			)
 			if err := runCmd(fatCmd); err != nil {
 				return err
@@ -159,12 +180,18 @@
 
 		lipoCmd := exec.Command(
 			"xcrun",
-			"lipo", path, "-create", "-o", titlePath,
+			"lipo", appleArchiveFilepath(name, t), "-create", "-o", titlePath,
 		)
 		if err := runCmd(lipoCmd); err != nil {
 			return err
 		}
 
+		fileBases := make([]string, len(pkgs)+1)
+		for i, pkg := range pkgs {
+			fileBases[i] = bindPrefix + strings.Title(pkg.Name)
+		}
+		fileBases[len(fileBases)-1] = "Universe"
+
 		// Copy header file next to output archive.
 		var headerFiles []string
 		if len(fileBases) == 1 {
@@ -236,7 +263,6 @@
 		if err != nil {
 			return err
 		}
-
 	}
 
 	// Finally combine all frameworks to an XCFramework
@@ -267,13 +293,12 @@
     export *
 }`))
 
-func goAppleBindArchive(name string, env []string, gosrc string) (string, error) {
-	archive := filepath.Join(tmpdir, name+".a")
-	err := goBuildAt(gosrc, "./gobind", env, "-buildmode=c-archive", "-o", archive)
-	if err != nil {
-		return "", err
-	}
-	return archive, nil
+func appleArchiveFilepath(name string, t targetInfo) string {
+	return filepath.Join(tmpdir, name+"-"+t.platform+"-"+t.arch+".a")
+}
+
+func goAppleBindArchive(out string, env []string, gosrc string) error {
+	return goBuildAt(gosrc, "./gobind", env, "-buildmode=c-archive", "-o", out)
 }
 
 var appleBindHeaderTmpl = template.Must(template.New("apple.h").Parse(`
diff --git a/cmd/gomobile/bind_test.go b/cmd/gomobile/bind_test.go
index 318ff62..fa6b0ef 100644
--- a/cmd/gomobile/bind_test.go
+++ b/cmd/gomobile/bind_test.go
@@ -188,8 +188,8 @@
 WORK=$WORK
 GOOS=android CGO_ENABLED=1 gobind -lang=go,java -outdir=$WORK{{if .JavaPkg}} -javapkg={{.JavaPkg}}{{end}} golang.org/x/mobile/asset
 mkdir -p $WORK/src-android-arm
-PWD=$WORK/src-android-arm GOOS=android GOARCH=arm CC=$NDK_PATH/toolchains/llvm/prebuilt/{{.NDKARCH}}/bin/armv7a-linux-androideabi16-clang CXX=$NDK_PATH/toolchains/llvm/prebuilt/{{.NDKARCH}}/bin/armv7a-linux-androideabi16-clang++ CGO_ENABLED=1 GOARM=7 GOPATH=$WORK:$GOPATH go mod tidy
-PWD=$WORK/src-android-arm GOOS=android GOARCH=arm CC=$NDK_PATH/toolchains/llvm/prebuilt/{{.NDKARCH}}/bin/armv7a-linux-androideabi16-clang CXX=$NDK_PATH/toolchains/llvm/prebuilt/{{.NDKARCH}}/bin/armv7a-linux-androideabi16-clang++ CGO_ENABLED=1 GOARM=7 GOPATH=$WORK:$GOPATH go build -x -buildmode=c-shared -o=$WORK/android/src/main/jniLibs/armeabi-v7a/libgojni.so ./gobind
+PWD=$WORK/src-android-arm GOMODCACHE=$GOPATH/pkg/mod GOOS=android GOARCH=arm CC=$NDK_PATH/toolchains/llvm/prebuilt/{{.NDKARCH}}/bin/armv7a-linux-androideabi16-clang CXX=$NDK_PATH/toolchains/llvm/prebuilt/{{.NDKARCH}}/bin/armv7a-linux-androideabi16-clang++ CGO_ENABLED=1 GOARM=7 GOPATH=$WORK:$GOPATH go mod tidy
+PWD=$WORK/src-android-arm GOMODCACHE=$GOPATH/pkg/mod GOOS=android GOARCH=arm CC=$NDK_PATH/toolchains/llvm/prebuilt/{{.NDKARCH}}/bin/armv7a-linux-androideabi16-clang CXX=$NDK_PATH/toolchains/llvm/prebuilt/{{.NDKARCH}}/bin/armv7a-linux-androideabi16-clang++ CGO_ENABLED=1 GOARM=7 GOPATH=$WORK:$GOPATH go build -x -buildmode=c-shared -o=$WORK/android/src/main/jniLibs/armeabi-v7a/libgojni.so ./gobind
 PWD=$WORK/java javac -d $WORK/javac-output -source 1.7 -target 1.7 -bootclasspath {{.AndroidPlatform}}/android.jar *.java
 jar c -C $WORK/javac-output .
 `))
@@ -198,9 +198,9 @@
 WORK=$WORK
 rm -r -f "{{.Output}}.xcframework"
 GOOS=ios CGO_ENABLED=1 gobind -lang=go,objc -outdir=$WORK/ios -tags=ios{{if .Prefix}} -prefix={{.Prefix}}{{end}} golang.org/x/mobile/asset
-mkdir -p $WORK/ios/src
-PWD=$WORK/ios/src GOOS=ios GOARCH=arm64 GOFLAGS=-tags=ios CC=iphoneos-clang CXX=iphoneos-clang++ CGO_CFLAGS=-isysroot iphoneos -miphoneos-version-min=13.0 -fembed-bitcode -arch arm64 CGO_CXXFLAGS=-isysroot iphoneos -miphoneos-version-min=13.0 -fembed-bitcode -arch arm64 CGO_LDFLAGS=-isysroot iphoneos -miphoneos-version-min=13.0 -fembed-bitcode -arch arm64 CGO_ENABLED=1 DARWIN_SDK=iphoneos GOPATH=$WORK/ios:$GOPATH go mod tidy
-PWD=$WORK/ios/src GOOS=ios GOARCH=arm64 GOFLAGS=-tags=ios CC=iphoneos-clang CXX=iphoneos-clang++ CGO_CFLAGS=-isysroot iphoneos -miphoneos-version-min=13.0 -fembed-bitcode -arch arm64 CGO_CXXFLAGS=-isysroot iphoneos -miphoneos-version-min=13.0 -fembed-bitcode -arch arm64 CGO_LDFLAGS=-isysroot iphoneos -miphoneos-version-min=13.0 -fembed-bitcode -arch arm64 CGO_ENABLED=1 DARWIN_SDK=iphoneos GOPATH=$WORK/ios:$GOPATH go build -x -buildmode=c-archive -o $WORK/{{.Output}}-ios-arm64.a ./gobind
+mkdir -p $WORK/ios/src-arm64
+PWD=$WORK/ios/src-arm64 GOMODCACHE=$GOPATH/pkg/mod GOOS=ios GOARCH=arm64 GOFLAGS=-tags=ios CC=iphoneos-clang CXX=iphoneos-clang++ CGO_CFLAGS=-isysroot iphoneos -miphoneos-version-min=13.0 -fembed-bitcode -arch arm64 CGO_CXXFLAGS=-isysroot iphoneos -miphoneos-version-min=13.0 -fembed-bitcode -arch arm64 CGO_LDFLAGS=-isysroot iphoneos -miphoneos-version-min=13.0 -fembed-bitcode -arch arm64 CGO_ENABLED=1 DARWIN_SDK=iphoneos GOPATH=$WORK/ios:$GOPATH go mod tidy
+PWD=$WORK/ios/src-arm64 GOMODCACHE=$GOPATH/pkg/mod GOOS=ios GOARCH=arm64 GOFLAGS=-tags=ios CC=iphoneos-clang CXX=iphoneos-clang++ CGO_CFLAGS=-isysroot iphoneos -miphoneos-version-min=13.0 -fembed-bitcode -arch arm64 CGO_CXXFLAGS=-isysroot iphoneos -miphoneos-version-min=13.0 -fembed-bitcode -arch arm64 CGO_LDFLAGS=-isysroot iphoneos -miphoneos-version-min=13.0 -fembed-bitcode -arch arm64 CGO_ENABLED=1 DARWIN_SDK=iphoneos GOPATH=$WORK/ios:$GOPATH go build -x -buildmode=c-archive -o $WORK/{{.Output}}-ios-arm64.a ./gobind
 mkdir -p $WORK/ios/iphoneos/{{.Output}}.framework/Versions/A/Headers
 ln -s A $WORK/ios/iphoneos/{{.Output}}.framework/Versions/Current
 ln -s Versions/Current/Headers $WORK/ios/iphoneos/{{.Output}}.framework/Headers
diff --git a/cmd/gomobile/build.go b/cmd/gomobile/build.go
index 64a28fe..c948343 100644
--- a/cmd/gomobile/build.go
+++ b/cmd/gomobile/build.go
@@ -332,7 +332,15 @@
 	}
 	cmd.Args = append(cmd.Args, args...)
 	cmd.Args = append(cmd.Args, srcs...)
-	cmd.Env = append([]string{}, env...)
+
+	// Specify GOMODCACHE explicitly. The default cache path is GOPATH[0]/pkg/mod,
+	// but the path varies when GOPATH is specified at env, which results in cold cache.
+	if gmc, err := goModCachePath(); err == nil {
+		env = append([]string{"GOMODCACHE=" + gmc}, env...)
+	} else {
+		env = append([]string{}, env...)
+	}
+	cmd.Env = env
 	cmd.Dir = at
 	return runCmd(cmd)
 }
@@ -342,7 +350,15 @@
 	if buildV {
 		cmd.Args = append(cmd.Args, "-v")
 	}
-	cmd.Env = append([]string{}, env...)
+
+	// Specify GOMODCACHE explicitly. The default cache path is GOPATH[0]/pkg/mod,
+	// but the path varies when GOPATH is specified at env, which results in cold cache.
+	if gmc, err := goModCachePath(); err == nil {
+		env = append([]string{"GOMODCACHE=" + gmc}, env...)
+	} else {
+		env = append([]string{}, env...)
+	}
+	cmd.Env = env
 	cmd.Dir = at
 	return runCmd(cmd)
 }
@@ -422,3 +438,11 @@
 func (t targetInfo) String() string {
 	return t.platform + "/" + t.arch
 }
+
+func goModCachePath() (string, error) {
+	out, err := exec.Command("go", "env", "GOMODCACHE").Output()
+	if err != nil {
+		return "", err
+	}
+	return strings.TrimSpace(string(out)), nil
+}
diff --git a/cmd/gomobile/build_darwin_test.go b/cmd/gomobile/build_darwin_test.go
index bb87701..43ca683 100644
--- a/cmd/gomobile/build_darwin_test.go
+++ b/cmd/gomobile/build_darwin_test.go
@@ -107,8 +107,8 @@
 echo "{{template "infoplist" .Xinfo}}" > $WORK/main/Info.plist
 mkdir -p $WORK/main/Images.xcassets/AppIcon.appiconset
 echo "{{.Xcontents}}" > $WORK/main/Images.xcassets/AppIcon.appiconset/Contents.json
-GOOS=ios GOARCH=arm64 GOFLAGS=-tags=ios CC=iphoneos-clang CXX=iphoneos-clang++ CGO_CFLAGS=-isysroot iphoneos -miphoneos-version-min=13.0 -fembed-bitcode -arch arm64 CGO_CXXFLAGS=-isysroot iphoneos -miphoneos-version-min=13.0 -fembed-bitcode -arch arm64 CGO_LDFLAGS=-isysroot iphoneos -miphoneos-version-min=13.0 -fembed-bitcode -arch arm64 CGO_ENABLED=1 DARWIN_SDK=iphoneos go build -tags tag1 -x -ldflags=-w -o=$WORK/ios/arm64 {{.Pkg}}
-GOOS=ios GOARCH=amd64 GOFLAGS=-tags=ios CC=iphonesimulator-clang CXX=iphonesimulator-clang++ CGO_CFLAGS=-isysroot iphonesimulator -mios-simulator-version-min=13.0 -fembed-bitcode -arch x86_64 CGO_CXXFLAGS=-isysroot iphonesimulator -mios-simulator-version-min=13.0 -fembed-bitcode -arch x86_64 CGO_LDFLAGS=-isysroot iphonesimulator -mios-simulator-version-min=13.0 -fembed-bitcode -arch x86_64 CGO_ENABLED=1 DARWIN_SDK=iphonesimulator go build -tags tag1 -x -ldflags=-w -o=$WORK/iossimulator/amd64 {{.Pkg}}
+GOMODCACHE=$GOPATH/pkg/mod GOOS=ios GOARCH=arm64 GOFLAGS=-tags=ios CC=iphoneos-clang CXX=iphoneos-clang++ CGO_CFLAGS=-isysroot iphoneos -miphoneos-version-min=13.0 -fembed-bitcode -arch arm64 CGO_CXXFLAGS=-isysroot iphoneos -miphoneos-version-min=13.0 -fembed-bitcode -arch arm64 CGO_LDFLAGS=-isysroot iphoneos -miphoneos-version-min=13.0 -fembed-bitcode -arch arm64 CGO_ENABLED=1 DARWIN_SDK=iphoneos go build -tags tag1 -x -ldflags=-w -o=$WORK/ios/arm64 {{.Pkg}}
+GOMODCACHE=$GOPATH/pkg/mod GOOS=ios GOARCH=amd64 GOFLAGS=-tags=ios CC=iphonesimulator-clang CXX=iphonesimulator-clang++ CGO_CFLAGS=-isysroot iphonesimulator -mios-simulator-version-min=13.0 -fembed-bitcode -arch x86_64 CGO_CXXFLAGS=-isysroot iphonesimulator -mios-simulator-version-min=13.0 -fembed-bitcode -arch x86_64 CGO_LDFLAGS=-isysroot iphonesimulator -mios-simulator-version-min=13.0 -fembed-bitcode -arch x86_64 CGO_ENABLED=1 DARWIN_SDK=iphonesimulator go build -tags tag1 -x -ldflags=-w -o=$WORK/iossimulator/amd64 {{.Pkg}}
 xcrun lipo -o $WORK/main/main -create $WORK/ios/arm64 $WORK/iossimulator/amd64
 mkdir -p $WORK/main/assets
 xcrun xcodebuild -configuration Release -project $WORK/main.xcodeproj -allowProvisioningUpdates DEVELOPMENT_TEAM={{.TeamID}}
@@ -117,7 +117,7 @@
 
 var appleOtherBuildTmpl = template.Must(infoplistTmpl.New("output").Parse(`GOMOBILE={{.GOPATH}}/pkg/gomobile
 WORK=$WORK
-GOOS=ios GOARCH=arm64 GOFLAGS=-tags=ios CC=iphoneos-clang CXX=iphoneos-clang++ CGO_CFLAGS=-isysroot iphoneos -miphoneos-version-min=13.0 -fembed-bitcode -arch arm64 CGO_CXXFLAGS=-isysroot iphoneos -miphoneos-version-min=13.0 -fembed-bitcode -arch arm64 CGO_LDFLAGS=-isysroot iphoneos -miphoneos-version-min=13.0 -fembed-bitcode -arch arm64 CGO_ENABLED=1 DARWIN_SDK=iphoneos go build -tags tag1 -x {{.Pkg}}
-GOOS=ios GOARCH=arm64 GOFLAGS=-tags=ios CC=iphonesimulator-clang CXX=iphonesimulator-clang++ CGO_CFLAGS=-isysroot iphonesimulator -mios-simulator-version-min=13.0 -fembed-bitcode -arch arm64 CGO_CXXFLAGS=-isysroot iphonesimulator -mios-simulator-version-min=13.0 -fembed-bitcode -arch arm64 CGO_LDFLAGS=-isysroot iphonesimulator -mios-simulator-version-min=13.0 -fembed-bitcode -arch arm64 CGO_ENABLED=1 DARWIN_SDK=iphonesimulator go build -tags tag1 -x {{.Pkg}}
-GOOS=ios GOARCH=amd64 GOFLAGS=-tags=ios CC=iphonesimulator-clang CXX=iphonesimulator-clang++ CGO_CFLAGS=-isysroot iphonesimulator -mios-simulator-version-min=13.0 -fembed-bitcode -arch x86_64 CGO_CXXFLAGS=-isysroot iphonesimulator -mios-simulator-version-min=13.0 -fembed-bitcode -arch x86_64 CGO_LDFLAGS=-isysroot iphonesimulator -mios-simulator-version-min=13.0 -fembed-bitcode -arch x86_64 CGO_ENABLED=1 DARWIN_SDK=iphonesimulator go build -tags tag1 -x {{.Pkg}}
+GOMODCACHE=$GOPATH/pkg/mod GOOS=ios GOARCH=arm64 GOFLAGS=-tags=ios CC=iphoneos-clang CXX=iphoneos-clang++ CGO_CFLAGS=-isysroot iphoneos -miphoneos-version-min=13.0 -fembed-bitcode -arch arm64 CGO_CXXFLAGS=-isysroot iphoneos -miphoneos-version-min=13.0 -fembed-bitcode -arch arm64 CGO_LDFLAGS=-isysroot iphoneos -miphoneos-version-min=13.0 -fembed-bitcode -arch arm64 CGO_ENABLED=1 DARWIN_SDK=iphoneos go build -tags tag1 -x {{.Pkg}}
+GOMODCACHE=$GOPATH/pkg/mod GOOS=ios GOARCH=arm64 GOFLAGS=-tags=ios CC=iphonesimulator-clang CXX=iphonesimulator-clang++ CGO_CFLAGS=-isysroot iphonesimulator -mios-simulator-version-min=13.0 -fembed-bitcode -arch arm64 CGO_CXXFLAGS=-isysroot iphonesimulator -mios-simulator-version-min=13.0 -fembed-bitcode -arch arm64 CGO_LDFLAGS=-isysroot iphonesimulator -mios-simulator-version-min=13.0 -fembed-bitcode -arch arm64 CGO_ENABLED=1 DARWIN_SDK=iphonesimulator go build -tags tag1 -x {{.Pkg}}
+GOMODCACHE=$GOPATH/pkg/mod GOOS=ios GOARCH=amd64 GOFLAGS=-tags=ios CC=iphonesimulator-clang CXX=iphonesimulator-clang++ CGO_CFLAGS=-isysroot iphonesimulator -mios-simulator-version-min=13.0 -fembed-bitcode -arch x86_64 CGO_CXXFLAGS=-isysroot iphonesimulator -mios-simulator-version-min=13.0 -fembed-bitcode -arch x86_64 CGO_LDFLAGS=-isysroot iphonesimulator -mios-simulator-version-min=13.0 -fembed-bitcode -arch x86_64 CGO_ENABLED=1 DARWIN_SDK=iphonesimulator go build -tags tag1 -x {{.Pkg}}
 `))
diff --git a/cmd/gomobile/build_test.go b/cmd/gomobile/build_test.go
index 448c6dd..b50aba7 100644
--- a/cmd/gomobile/build_test.go
+++ b/cmd/gomobile/build_test.go
@@ -113,7 +113,7 @@
 var androidBuildTmpl = template.Must(template.New("output").Parse(`GOMOBILE={{.GOPATH}}/pkg/gomobile
 WORK=$WORK
 mkdir -p $WORK/lib/armeabi-v7a
-GOOS=android GOARCH=arm CC=$NDK_PATH/toolchains/llvm/prebuilt/{{.NDKARCH}}/bin/armv7a-linux-androideabi16-clang CXX=$NDK_PATH/toolchains/llvm/prebuilt/{{.NDKARCH}}/bin/armv7a-linux-androideabi16-clang++ CGO_ENABLED=1 GOARM=7 go build -tags tag1 -x -buildmode=c-shared -o $WORK/lib/armeabi-v7a/libbasic.so golang.org/x/mobile/example/basic
+GOMODCACHE=$GOPATH/pkg/mod GOOS=android GOARCH=arm CC=$NDK_PATH/toolchains/llvm/prebuilt/{{.NDKARCH}}/bin/armv7a-linux-androideabi16-clang CXX=$NDK_PATH/toolchains/llvm/prebuilt/{{.NDKARCH}}/bin/armv7a-linux-androideabi16-clang++ CGO_ENABLED=1 GOARM=7 go build -tags tag1 -x -buildmode=c-shared -o $WORK/lib/armeabi-v7a/libbasic.so golang.org/x/mobile/example/basic
 `))
 
 func TestParseBuildTarget(t *testing.T) {
diff --git a/cmd/gomobile/init_test.go b/cmd/gomobile/init_test.go
index 5a1482b..2eabda1 100644
--- a/cmd/gomobile/init_test.go
+++ b/cmd/gomobile/init_test.go
@@ -175,7 +175,7 @@
 rm -r -f "$GOMOBILE"
 mkdir -p $GOMOBILE
 WORK={{.GOPATH}}/pkg/gomobile/work
-go install -x golang.org/x/mobile/cmd/gobind@latest
+GOMODCACHE={{.GOPATH}}/pkg/mod go install -x golang.org/x/mobile/cmd/gobind@latest
 cp $OPENAL_PATH/include/AL/al.h $GOMOBILE/include/AL/al.h
 mkdir -p $GOMOBILE/include/AL
 cp $OPENAL_PATH/include/AL/alc.h $GOMOBILE/include/AL/alc.h