build: use -isysroot over --sysroot on macOS

fanquake · furszy · commit 07185c3472ac · 2021-06-30T16:10:48.000-03:00
diff --git a/contrib/macdeploy/README.md b/contrib/macdeploy/README.md
@@ -56,7 +56,7 @@ Working macOS DMGs are created in Linux by combining a recent `clang`, the Apple
 
 Apple uses `clang` extensively for development and has upstreamed the necessary
 functionality so that a vanilla clang can take advantage. It supports the use of `-F`,
-`-target`, `-mmacosx-version-min`, and `--sysroot`, which are all necessary when
+`-target`, `-mmacosx-version-min`, and `-isysroot`, which are all necessary when
 building for macOS.
 
 Apple's version of `binutils` (called `cctools`) contains lots of functionality missing in the
diff --git a/depends/builders/darwin.mk b/depends/builders/darwin.mk
@@ -1,5 +1,5 @@
-build_darwin_CC:=$(shell xcrun -f clang) --sysroot $(shell xcrun --show-sdk-path)
-build_darwin_CXX:=$(shell xcrun -f clang++) --sysroot $(shell xcrun --show-sdk-path)
+build_darwin_CC:=$(shell xcrun -f clang) -isysroot$(shell xcrun --show-sdk-path)
+build_darwin_CXX:=$(shell xcrun -f clang++) -isysroot$(shell xcrun --show-sdk-path)
 build_darwin_AR:=$(shell xcrun -f ar)
 build_darwin_RANLIB:=$(shell xcrun -f ranlib)
 build_darwin_STRIP:=$(shell xcrun -f strip)
@@ -10,8 +10,8 @@ build_darwin_SHA256SUM=shasum -a 256
 build_darwin_DOWNLOAD=curl --location --fail --connect-timeout $(DOWNLOAD_CONNECT_TIMEOUT) --retry $(DOWNLOAD_RETRIES) -o
 
 #darwin host on darwin builder. overrides darwin host preferences.
-darwin_CC=$(shell xcrun -f clang) -mmacosx-version-min=$(OSX_MIN_VERSION) --sysroot $(shell xcrun --show-sdk-path)
-darwin_CXX:=$(shell xcrun -f clang++) -mmacosx-version-min=$(OSX_MIN_VERSION) -stdlib=libc++ --sysroot $(shell xcrun --show-sdk-path)
+darwin_CC=$(shell xcrun -f clang) -mmacosx-version-min=$(OSX_MIN_VERSION) -isysroot$(shell xcrun --show-sdk-path)
+darwin_CXX:=$(shell xcrun -f clang++) -mmacosx-version-min=$(OSX_MIN_VERSION) -stdlib=libc++ -isysroot$(shell xcrun --show-sdk-path)
 darwin_AR:=$(shell xcrun -f ar)
 darwin_RANLIB:=$(shell xcrun -f ranlib)
 darwin_STRIP:=$(shell xcrun -f strip)
diff --git a/depends/hosts/darwin.mk b/depends/hosts/darwin.mk
@@ -28,8 +28,8 @@ OSX_SDK=$(SDK_PATH)/Xcode-$(XCODE_VERSION)-$(XCODE_BUILD_ID)-extracted-SDK-with-
 #         https://reviews.llvm.org/D64089, we should use that instead. Read the
 #         differential summary there for more details.
 #
-darwin_CC=clang -target $(host) -mmacosx-version-min=$(OSX_MIN_VERSION) --sysroot $(OSX_SDK) -mlinker-version=$(LD64_VERSION) -B$(build_prefix)/bin
-darwin_CXX=clang++ -target $(host) -mmacosx-version-min=$(OSX_MIN_VERSION) --sysroot $(OSX_SDK) -stdlib=libc++ -mlinker-version=$(LD64_VERSION) -B$(build_prefix)/bin -nostdinc++ -isystem $(OSX_SDK)/usr/include/c++/v1
+darwin_CC=clang -target $(host) -mmacosx-version-min=$(OSX_MIN_VERSION) -isysroot $(OSX_SDK) -mlinker-version=$(LD64_VERSION) -B$(build_prefix)/bin
+darwin_CXX=clang++ -target $(host) -mmacosx-version-min=$(OSX_MIN_VERSION) -isysroot $(OSX_SDK) -stdlib=libc++ -mlinker-version=$(LD64_VERSION) -B$(build_prefix)/bin -nostdinc++ -isystem $(OSX_SDK)/usr/include/c++/v1
 
 darwin_CFLAGS=-pipe
 darwin_CXXFLAGS=$(darwin_CFLAGS)
