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b2ece169ed
Before e97b5f5cf3 ([clang][Darwin] Refactor header search path logic
into the driver), both --sysroot and -isysroot worked to specify where
to look for system and C++ headers on Darwin. However, that change
caused clang to start ignoring --sysroot.
This fixes the regression, and adds tests.
(I also note that on all other platforms, clang seems to almost
completely ignore -isysroot, but that's another issue...)
Differential Revision: https://reviews.llvm.org/D62268
llvm-svn: 361429
104 lines
5.3 KiB
C++
104 lines
5.3 KiB
C++
// UNSUPPORTED: system-windows
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// General tests that the system header search paths detected by the driver
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// and passed to CC1 are correct on Darwin platforms.
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// Check system headers (everything below <sysroot> and <resource-dir>). Ensure
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// that both sysroot and isysroot are checked, and that isysroot has precedence.
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//
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// RUN: %clang -no-canonical-prefixes %s -### -fsyntax-only 2>&1 \
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// RUN: -target x86_64-apple-darwin \
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// RUN: -ccc-install-dir %S/Inputs/basic_darwin_toolchain_no_libcxx/usr/bin \
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// RUN: -resource-dir=%S/Inputs/resource_dir \
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// RUN: -isysroot %S/Inputs/basic_darwin_sdk_usr_and_usr_local \
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// RUN: | FileCheck -DSYSROOT=%S/Inputs/basic_darwin_sdk_usr_and_usr_local \
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// RUN: -DRESOURCE=%S/Inputs/resource_dir \
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// RUN: --check-prefix=CHECK-SYSTEM %s
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//
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// RUN: %clang -no-canonical-prefixes %s -### -fsyntax-only 2>&1 \
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// RUN: -target x86_64-apple-darwin \
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// RUN: -ccc-install-dir %S/Inputs/basic_darwin_toolchain_no_libcxx/usr/bin \
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// RUN: -resource-dir=%S/Inputs/resource_dir \
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// RUN: --sysroot %S/Inputs/basic_darwin_sdk_usr_and_usr_local \
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// RUN: | FileCheck -DSYSROOT=%S/Inputs/basic_darwin_sdk_usr_and_usr_local \
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// RUN: -DRESOURCE=%S/Inputs/resource_dir \
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// RUN: --check-prefix=CHECK-SYSTEM %s
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//
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// RUN: %clang -no-canonical-prefixes %s -### -fsyntax-only 2>&1 \
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// RUN: -target x86_64-apple-darwin \
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// RUN: -ccc-install-dir %S/Inputs/basic_darwin_toolchain_no_libcxx/usr/bin \
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// RUN: -resource-dir=%S/Inputs/resource_dir \
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// RUN: -isysroot %S/Inputs/basic_darwin_sdk_usr_and_usr_local \
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// RUN: --sysroot / \
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// RUN: | FileCheck -DSYSROOT=%S/Inputs/basic_darwin_sdk_usr_and_usr_local \
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// RUN: -DRESOURCE=%S/Inputs/resource_dir \
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// RUN: --check-prefix=CHECK-SYSTEM %s
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//
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// CHECK-SYSTEM: "{{[^"]*}}clang{{[^"]*}}" "-cc1"
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// CHECK-SYSTEM: "-internal-isystem" "[[SYSROOT]]/usr/local/include"
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// CHECK-SYSTEM: "-internal-isystem" "[[RESOURCE]]/include"
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// CHECK-SYSTEM: "-internal-externc-isystem" "[[SYSROOT]]/usr/include"
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// Make sure that using -nobuiltininc will drop resource headers
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//
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// RUN: %clang -no-canonical-prefixes %s -### -fsyntax-only 2>&1 \
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// RUN: -target x86_64-apple-darwin \
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// RUN: -ccc-install-dir %S/Inputs/basic_darwin_toolchain_no_libcxx/usr/bin \
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// RUN: -resource-dir=%S/Inputs/resource_dir \
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// RUN: -isysroot %S/Inputs/basic_darwin_sdk_usr_and_usr_local \
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// RUN: -nobuiltininc \
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// RUN: | FileCheck -DSYSROOT=%S/Inputs/basic_darwin_sdk_usr_and_usr_local \
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// RUN: -DRESOURCE=%S/Inputs/resource_dir \
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// RUN: --check-prefix=CHECK-NOBUILTININC %s
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// CHECK-NOBUILTININC: "{{[^"]*}}clang{{[^"]*}}" "-cc1"
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// CHECK-NOBUILTININC: "-internal-isystem" "[[SYSROOT]]/usr/local/include"
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// CHECK-NOBUILTININC-NOT: "-internal-isystem" "[[RESOURCE]]/include"
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// CHECK-NOBUILTININC: "-internal-externc-isystem" "[[SYSROOT]]/usr/include"
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// Make sure that using -nostdlibinc will drop <sysroot>/usr/local/include and
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// <sysroot>/usr/include.
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//
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// RUN: %clang -no-canonical-prefixes %s -### -fsyntax-only 2>&1 \
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// RUN: -target x86_64-apple-darwin \
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// RUN: -ccc-install-dir %S/Inputs/basic_darwin_toolchain_no_libcxx/usr/bin \
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// RUN: -resource-dir=%S/Inputs/resource_dir \
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// RUN: -isysroot %S/Inputs/basic_darwin_sdk_usr_and_usr_local \
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// RUN: -nostdlibinc \
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// RUN: | FileCheck -DSYSROOT=%S/Inputs/basic_darwin_sdk_usr_and_usr_local \
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// RUN: -DRESOURCE=%S/Inputs/resource_dir \
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// RUN: --check-prefix=CHECK-NOSTDLIBINC %s
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// CHECK-NOSTDLIBINC: "{{[^"]*}}clang{{[^"]*}}" "-cc1"
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// CHECK-NOSTDLIBINC-NOT: "-internal-isystem" "[[SYSROOT]]/usr/local/include"
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// CHECK-NOSTDLIBINC: "-internal-isystem" "[[RESOURCE]]/include"
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// CHECK-NOSTDLIBINC-NOT: "-internal-externc-isystem" "[[SYSROOT]]/usr/include"
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// Make sure that -nostdinc drops all the system include paths, including
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// <resource>/include.
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//
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// RUN: %clang -no-canonical-prefixes %s -### -fsyntax-only 2>&1 \
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// RUN: -target x86_64-apple-darwin \
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// RUN: -ccc-install-dir %S/Inputs/basic_darwin_toolchain_no_libcxx/usr/bin \
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// RUN: -resource-dir=%S/Inputs/resource_dir \
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// RUN: -isysroot %S/Inputs/basic_darwin_sdk_usr_and_usr_local \
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// RUN: -nostdinc \
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// RUN: | FileCheck -DSYSROOT=%S/Inputs/basic_darwin_sdk_usr_and_usr_local \
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// RUN: -DRESOURCE=%S/Inputs/resource_dir \
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// RUN: --check-prefix=CHECK-NOSTDINC %s
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// CHECK-NOSTDINC: "{{[^"]*}}clang{{[^"]*}}" "-cc1"
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// CHECK-NOSTDINC-NOT: "-internal-isystem" "[[SYSROOT]]/usr/local/include"
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// CHECK-NOSTDINC-NOT: "-internal-isystem" "[[RESOURCE]]/include"
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// CHECK-NOSTDINC-NOT: "-internal-externc-isystem" "[[SYSROOT]]/usr/include"
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// Check search paths without -isysroot
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//
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// RUN: %clang -no-canonical-prefixes %s -### -fsyntax-only 2>&1 \
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// RUN: -target x86_64-apple-darwin \
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// RUN: -ccc-install-dir %S/Inputs/basic_darwin_toolchain_no_libcxx/usr/bin \
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// RUN: -resource-dir=%S/Inputs/resource_dir \
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// RUN: | FileCheck -DRESOURCE=%S/Inputs/resource_dir \
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// RUN: --check-prefix=CHECK-NOSYSROOT %s
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// CHECK-NOSYSROOT: "{{[^"]*}}clang{{[^"]*}}" "-cc1"
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// CHECK-NOSYSROOT: "-internal-isystem" "/usr/local/include"
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// CHECK-NOSYSROOT: "-internal-isystem" "[[RESOURCE]]/include"
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// CHECK-NOSYSROOT: "-internal-externc-isystem" "/usr/include"
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