Ios build fixes

.gitignore

@@ -1,3 +1,4 @@
 .idea/
 build/
 examples/a.out
+ios/

Makefile

@@ -1,25 +1,22 @@
 IOS_OUT=ios
 
 ios-arm64:
-	GOOS=ios \
 	GOARCH=arm64 \
-	CGO_ENABLED=1 \
-	CLANGARCH=arm64 \
 	SDK=iphoneos \
-	CC=$(PWD)/clangwrap.sh \
-	CGO_CFLAGS="-fembed-bitcode" \
-	go build -buildmode=c-archive -o $(IOS_OUT)/libpolygonid-ios.a ./cmd/polygonid
+	MIN_VERSION=16 \
+	./build-ios.sh
 
+ios-sim-arm64:
+	GOARCH=arm64 \
+	SDK=iphonesimulator \
+	MIN_VERSION=16 \
+	./build-ios.sh
 
-ios-simulator:
-	GOOS=darwin \
+ios-sim-amd64:
 	GOARCH=amd64 \
-	CGO_ENABLED=1 \
-	CLANGARCH=x86_64 \
 	SDK=iphonesimulator \
-	CC=$(PWD)/clangwrap.sh \
-	CGO_CFLAGS="-fembed-bitcode" \
-	go build -tags ios -buildmode=c-archive -o $(IOS_OUT)/libpolygonid-ios-simulator.a ./cmd/polygonid
+	MIN_VERSION=16 \
+	./build-ios.sh
 
 darwin-arm64:
 	GOOS=darwin \
@@ -28,9 +25,26 @@ darwin-arm64:
 	CLANGARCH=arm64 \
 	go build -buildmode=c-archive -o $(IOS_OUT)/libpolygonid-darwin-arm64.a ./cmd/polygonid
 
-ios: ios-arm64 ios-simulator
-	lipo $(IOS_OUT)/libpolygonid-ios.a $(IOS_OUT)/libpolygonid-ios-simulator.a -create -output $(IOS_OUT)/libpolygonid.a
-	cp $(IOS_OUT)/libpolygonid-ios.h $(IOS_OUT)/libpolygonid.h
+darwin-amd64:
+	GOOS=darwin \
+	GOARCH=amd64 \
+	CGO_ENABLED=1 \
+	CLANGARCH=x86_64 \
+	go build -buildmode=c-archive -o $(IOS_OUT)/libpolygonid-darwin-amd64.a ./cmd/polygonid
+
+ios-device: ios-arm64
+	cp $(IOS_OUT)/libpolygonid-ios-arm64.a $(IOS_OUT)/libpolygonid-ios.a
+	cp $(IOS_OUT)/libpolygonid-ios-arm64.h $(IOS_OUT)/libpolygonid.h
+
+ios-simulator: ios-sim-arm64 ios-sim-amd64
+	lipo $(IOS_OUT)/libpolygonid-ios-sim-amd64.a $(IOS_OUT)/libpolygonid-ios-sim-arm64.a -create -output $(IOS_OUT)/libpolygonid-ios-sim.a
+	cp $(IOS_OUT)/libpolygonid-ios-sim-arm64.h $(IOS_OUT)/libpolygonid.h
+
+ios: ios-device ios-simulator
+
+darwin: darwin-arm64 darwin-amd64
+	lipo $(IOS_OUT)/libpolygonid-darwin-arm64.a $(IOS_OUT)/libpolygonid-darwin-amd64.a -create -output $(IOS_OUT)/libpolygonid-darwin.a
+	cp $(IOS_OUT)/libpolygonid-darwin-arm64.h $(IOS_OUT)/libpolygonid.h
 
 dylib:
 	go build -buildmode=c-shared -o $(IOS_OUT)/libpolygonid.dylib ./cmd/polygonid

build-ios.sh

@@ -0,0 +1,30 @@
+export GOOS=ios
+export CGO_ENABLED=1
+export CC=$(PWD)/clangwrap.sh
+export CGO_CFLAGS="-fembed-bitcode"
+
+
+if [ "$GOARCH" = "amd64" ]; then
+    CLANGARCH="x86_64"
+elif [ "$GOARCH" = "arm64" ]; then
+    CLANGARCH="arm64"
+fi
+
+
+if [ "$SDK" = "iphoneos" ]; then
+  export TARGET="$CLANGARCH-apple-ios$MIN_VERSION"
+elif [ "$SDK" = "iphonesimulator" ]; then
+  export TARGET="$CLANGARCH-apple-ios$MIN_VERSION-simulator"
+fi
+
+export SDK_PATH=$(xcrun --sdk "$SDK" --show-sdk-path)
+
+export CGO_LDFLAGS="-target ${TARGET} -syslibroot \"${SDK_PATH}\""
+
+if [ "$SDK" = "iphoneos" ]; then
+    export LIB_FILE=ios/libpolygonid-ios-$CLANGARCH.a
+elif [ "$SDK" = "iphonesimulator" ]; then
+    export LIB_FILE=ios/libpolygonid-ios-sim-$CLANGARCH.a
+fi
+
+go build -buildmode c-archive -trimpath -o $LIB_FILE ./cmd/polygonid

clangwrap.sh

@@ -1,10 +1,5 @@
-#!/bin/sh
-# To select a specific SDK, run 'xcodebuild -showsdks'
-# You need to specify SDK & CLANGARCH
+#!/bin/zsh
 
-SDK_PATH=`xcrun --sdk $SDK --show-sdk-path`
-export IPHONEOS_DEPLOYMENT_TARGET=5.1
-# cmd/cgo doesn't support llvm-gcc-4.2, so we have to use clang.
-CLANG=`xcrun --sdk $SDK --find clang`
+CLANG=$(xcrun --sdk "$SDK" --find clang)
 
-exec "$CLANG" -arch $CLANGARCH -isysroot "$SDK_PATH" -mios-version-min=10.0 "$@"
+exec "$CLANG" -target "$TARGET" -isysroot "$SDK_PATH" "$@"