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darwin-header-search-system.cpp
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// UNSUPPORTED: system-windows
// XFAIL: xcselect
// FIXME: There's no reason why this should fail with CLANG_USE_XCSELECT.
// General tests that the system header search paths detected by the driver
// and passed to CC1 are correct on Darwin platforms.
// Check system headers (everything below <sysroot> and <resource-dir>). Ensure
// that both sysroot and isysroot are checked, and that isysroot has precedence.
//
// RUN: %clang -### %s -fsyntax-only 2>&1 \
// RUN: --target=x86_64-apple-darwin \
// RUN: -ccc-install-dir %S/Inputs/basic_darwin_toolchain_no_libcxx/usr/bin \
// RUN: -resource-dir=%S/Inputs/resource_dir \
// RUN: -isysroot %S/Inputs/basic_darwin_sdk_usr_and_usr_local \
// RUN: | FileCheck -DSYSROOT=%S/Inputs/basic_darwin_sdk_usr_and_usr_local \
// RUN: -DRESOURCE=%S/Inputs/resource_dir \
// RUN: --check-prefix=CHECK-SYSTEM %s
//
// RUN: %clang -### %s -fsyntax-only 2>&1 \
// RUN: --target=x86_64-apple-darwin \
// RUN: -ccc-install-dir %S/Inputs/basic_darwin_toolchain_no_libcxx/usr/bin \
// RUN: -resource-dir=%S/Inputs/resource_dir \
// RUN: --sysroot %S/Inputs/basic_darwin_sdk_usr_and_usr_local \
// RUN: | FileCheck -DSYSROOT=%S/Inputs/basic_darwin_sdk_usr_and_usr_local \
// RUN: -DRESOURCE=%S/Inputs/resource_dir \
// RUN: --check-prefix=CHECK-SYSTEM %s
//
// RUN: %clang -### %s -fsyntax-only 2>&1 \
// RUN: --target=x86_64-apple-darwin \
// RUN: -ccc-install-dir %S/Inputs/basic_darwin_toolchain_no_libcxx/usr/bin \
// RUN: -resource-dir=%S/Inputs/resource_dir \
// RUN: -isysroot %S/Inputs/basic_darwin_sdk_usr_and_usr_local \
// RUN: --sysroot / \
// RUN: | FileCheck -DSYSROOT=%S/Inputs/basic_darwin_sdk_usr_and_usr_local \
// RUN: -DRESOURCE=%S/Inputs/resource_dir \
// RUN: --check-prefix=CHECK-SYSTEM %s
//
// CHECK-SYSTEM: "-cc1"
// CHECK-SYSTEM: "-internal-isystem" "[[SYSROOT]]/usr/local/include"
// CHECK-SYSTEM: "-internal-isystem" "[[RESOURCE]]/include"
// CHECK-SYSTEM: "-internal-externc-isystem" "[[SYSROOT]]/usr/include"
// Make sure that using -nobuiltininc will drop resource headers
//
// RUN: %clang -### %s -fsyntax-only 2>&1 \
// RUN: --target=x86_64-apple-darwin \
// RUN: -ccc-install-dir %S/Inputs/basic_darwin_toolchain_no_libcxx/usr/bin \
// RUN: -resource-dir=%S/Inputs/resource_dir \
// RUN: -isysroot %S/Inputs/basic_darwin_sdk_usr_and_usr_local \
// RUN: -nobuiltininc \
// RUN: | FileCheck -DSYSROOT=%S/Inputs/basic_darwin_sdk_usr_and_usr_local \
// RUN: -DRESOURCE=%S/Inputs/resource_dir \
// RUN: --check-prefix=CHECK-NOBUILTININC %s
// CHECK-NOBUILTININC: "-cc1"
// CHECK-NOBUILTININC: "-internal-isystem" "[[SYSROOT]]/usr/local/include"
// CHECK-NOBUILTININC-NOT: "-internal-isystem" "[[RESOURCE]]/include"
// CHECK-NOBUILTININC: "-internal-externc-isystem" "[[SYSROOT]]/usr/include"
// Make sure that using -nostdlibinc will drop <sysroot>/usr/local/include and
// <sysroot>/usr/include.
//
// RUN: %clang -### %s -fsyntax-only 2>&1 \
// RUN: --target=x86_64-apple-darwin \
// RUN: -ccc-install-dir %S/Inputs/basic_darwin_toolchain_no_libcxx/usr/bin \
// RUN: -resource-dir=%S/Inputs/resource_dir \
// RUN: -isysroot %S/Inputs/basic_darwin_sdk_usr_and_usr_local \
// RUN: -nostdlibinc \
// RUN: | FileCheck -DSYSROOT=%S/Inputs/basic_darwin_sdk_usr_and_usr_local \
// RUN: -DRESOURCE=%S/Inputs/resource_dir \
// RUN: --check-prefix=CHECK-NOSTDLIBINC %s
// CHECK-NOSTDLIBINC: "-cc1"
// CHECK-NOSTDLIBINC-NOT: "-internal-isystem" "[[SYSROOT]]/usr/local/include"
// CHECK-NOSTDLIBINC: "-internal-isystem" "[[RESOURCE]]/include"
// CHECK-NOSTDLIBINC-NOT: "-internal-externc-isystem" "[[SYSROOT]]/usr/include"
// Make sure that -nostdinc drops all the system include paths, including
// <resource>/include.
//
// RUN: %clang -### %s -fsyntax-only 2>&1 \
// RUN: --target=x86_64-apple-darwin \
// RUN: -ccc-install-dir %S/Inputs/basic_darwin_toolchain_no_libcxx/usr/bin \
// RUN: -resource-dir=%S/Inputs/resource_dir \
// RUN: -isysroot %S/Inputs/basic_darwin_sdk_usr_and_usr_local \
// RUN: -nostdinc \
// RUN: | FileCheck -DSYSROOT=%S/Inputs/basic_darwin_sdk_usr_and_usr_local \
// RUN: -DRESOURCE=%S/Inputs/resource_dir \
// RUN: --check-prefix=CHECK-NOSTDINC %s
// CHECK-NOSTDINC: "-cc1"
// CHECK-NOSTDINC-NOT: "-internal-isystem" "[[SYSROOT]]/usr/local/include"
// CHECK-NOSTDINC-NOT: "-internal-isystem" "[[RESOURCE]]/include"
// CHECK-NOSTDINC-NOT: "-internal-externc-isystem" "[[SYSROOT]]/usr/include"
// Check search paths without -isysroot
//
// RUN: %clang -### %s -fsyntax-only 2>&1 \
// RUN: --target=x86_64-apple-darwin \
// RUN: -ccc-install-dir %S/Inputs/basic_darwin_toolchain_no_libcxx/usr/bin \
// RUN: -resource-dir=%S/Inputs/resource_dir \
// RUN: --sysroot="" \
// RUN: | FileCheck -DRESOURCE=%S/Inputs/resource_dir \
// RUN: --check-prefix=CHECK-NOSYSROOT %s
// CHECK-NOSYSROOT: "-cc1"
// CHECK-NOSYSROOT: "-internal-isystem" "/usr/local/include"
// CHECK-NOSYSROOT: "-internal-isystem" "[[RESOURCE]]/include"
// CHECK-NOSYSROOT: "-internal-externc-isystem" "/usr/include"
// RUN: %clang -### %s -fsyntax-only 2>&1 \
// RUN: --target=x86_64-apple-darwin \
// RUN: -ccc-install-dir %S/Inputs/basic_darwin_toolchain_no_libcxx/usr/bin \
// RUN: -resource-dir=%S/Inputs/resource_dir \
// RUN: -isysroot %S/Inputs/basic_darwin_sdk_usr_and_usr_local \
// RUN: -nostdinc -ibuiltininc \
// RUN: | FileCheck -DSYSROOT=%S/Inputs/basic_darwin_sdk_usr_and_usr_local \
// RUN: -DRESOURCE=%S/Inputs/resource_dir \
// RUN: --check-prefix=CHECK-NOSTDINC-BUILTINC %s
// RUN: %clang -### %s -fsyntax-only 2>&1 \
// RUN: --target=x86_64-apple-darwin \
// RUN: -ccc-install-dir %S/Inputs/basic_darwin_toolchain_no_libcxx/usr/bin \
// RUN: -resource-dir=%S/Inputs/resource_dir \
// RUN: -isysroot %S/Inputs/basic_darwin_sdk_usr_and_usr_local \
// RUN: -ibuiltininc -nostdinc \
// RUN: | FileCheck -DSYSROOT=%S/Inputs/basic_darwin_sdk_usr_and_usr_local \
// RUN: -DRESOURCE=%S/Inputs/resource_dir \
// RUN: --check-prefix=CHECK-NOSTDINC-BUILTINC %s
// RUN: %clang -### %s -fsyntax-only 2>&1 \
// RUN: --target=x86_64-apple-darwin \
// RUN: -ccc-install-dir %S/Inputs/basic_darwin_toolchain_no_libcxx/usr/bin \
// RUN: -resource-dir=%S/Inputs/resource_dir \
// RUN: -isysroot %S/Inputs/basic_darwin_sdk_usr_and_usr_local \
// RUN: -nostdinc -nobuiltininc -ibuiltininc \
// RUN: | FileCheck -DSYSROOT=%S/Inputs/basic_darwin_sdk_usr_and_usr_local \
// RUN: -DRESOURCE=%S/Inputs/resource_dir \
// RUN: --check-prefix=CHECK-NOSTDINC-BUILTINC %s
// CHECK-NOSTDINC-BUILTINC: "-cc1"
// CHECK-NOSTDINC-BUILTINC-NOT: "-ibuiltininc"
// CHECK-NOSTDINC-BUILTINC-NOT: "-internal-isystem" "[[SYSROOT]]/usr/local/include"
// CHECK-NOSTDINC-BUILTINC: "-internal-isystem" "[[RESOURCE]]/include"
// CHECK-NOSTDINC-BUILTINC-NOT: "-internal-externc-isystem" "[[SYSROOT]]/usr/include"
// RUN: %clang -### %s -fsyntax-only 2>&1 \
// RUN: --target=x86_64-apple-darwin \
// RUN: -ccc-install-dir %S/Inputs/basic_darwin_toolchain_no_libcxx/usr/bin \
// RUN: -resource-dir=%S/Inputs/resource_dir \
// RUN: -isysroot %S/Inputs/basic_darwin_sdk_usr_and_usr_local \
// RUN: -nobuiltininc -ibuiltininc \
// RUN: | FileCheck -DSYSROOT=%S/Inputs/basic_darwin_sdk_usr_and_usr_local \
// RUN: -DRESOURCE=%S/Inputs/resource_dir \
// RUN: --check-prefix=CHECK-NOBUILTININC-BUILTINC %s
// CHECK-NOBUILTININC-BUILTINC: "-cc1"
// CHECK-NOBUILTININC-BUILTINC: "-internal-isystem" "[[SYSROOT]]/usr/local/include"
// CHECK-NOBUILTININC-BUILTINC: "-internal-isystem" "[[RESOURCE]]/include"
// CHECK-NOBUILTININC-BUILTINC: "-internal-externc-isystem" "[[SYSROOT]]/usr/include"
// RUN: %clang -### %s -fsyntax-only 2>&1 \
// RUN: --target=x86_64-apple-darwin \
// RUN: -ccc-install-dir %S/Inputs/basic_darwin_toolchain_no_libcxx/usr/bin \
// RUN: -resource-dir=%S/Inputs/resource_dir \
// RUN: -isysroot %S/Inputs/basic_darwin_sdk_usr_and_usr_local \
// RUN: -nostdinc -ibuiltininc -nobuiltininc \
// RUN: | FileCheck -DSYSROOT=%S/Inputs/basic_darwin_sdk_usr_and_usr_local \
// RUN: -DRESOURCE=%S/Inputs/resource_dir \
// RUN: --check-prefix=CHECK-NOSTDINC-NO-BUILTINC %s
// CHECK-NOSTDINC-NO-BUILTINC: "-cc1"
// CHECK-NOSTDINC-NO-BUILTINC-NOT: "-internal-isystem" "[[SYSROOT]]/usr/local/include"
// CHECK-NOSTDINC-NO-BUILTINC-NOT: "-internal-isystem" "[[RESOURCE]]/include"
// CHECK-NOSTDINC-NO-BUILTINC-NOT: "-internal-externc-isystem" "[[SYSROOT]]/usr/include"
// RUN: %clang -### %s -fsyntax-only 2>&1 \
// RUN: --target=x86_64-apple-darwin \
// RUN: -ccc-install-dir %S/Inputs/basic_darwin_toolchain_no_libcxx/usr/bin \
// RUN: -resource-dir=%S/Inputs/resource_dir \
// RUN: -isysroot %S/Inputs/basic_darwin_sdk_usr_and_usr_local \
// RUN: -ibuiltininc -nobuiltininc \
// RUN: | FileCheck -DSYSROOT=%S/Inputs/basic_darwin_sdk_usr_and_usr_local \
// RUN: -DRESOURCE=%S/Inputs/resource_dir \
// RUN: --check-prefix=CHECK-BUILTINC-NOBUILTININC %s
// CHECK-BUILTINC-NOBUILTININC: "-cc1"
// CHECK-BUILTINC-NOBUILTININC: "-internal-isystem" "[[SYSROOT]]/usr/local/include"
// CHECK-BUILTINC-NOBUILTININC-NOT: "-internal-isystem" "[[RESOURCE]]/include"
// CHECK-BUILTINC-NOBUILTININC: "-internal-externc-isystem" "[[SYSROOT]]/usr/include"