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This option specifies a GCC installation directory such as
/usr/lib/gcc/x86_64-linux-gnu/12, /usr/lib/gcc/x86_64-gentoo-linux-musl/11.2.0 .
It is intended to replace --gcc-toolchain=, which specifies a directory where
`lib/gcc{,-cross}` can be found. When --gcc-toolchain= is specified, the
selected `lib/gcc/$triple/$version` installation uses complex logic and the
largest GCC version is picked. There is no way to specify another version in the
presence of multiple GCC versions.
D25661 added gcc-config detection for Gentoo: `ScanGentooConfigs`.
The implementation may be simplified by using --gcc-install-dir=.
Reviewed By: mgorny
Differential Revision: https://reviews.llvm.org/D133329
44 lines
3.5 KiB
C++
44 lines
3.5 KiB
C++
// UNSUPPORTED: system-windows
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/// Test native GCC installation on Arch Linux i686.
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// RUN: %clang -### %s --target=i686-linux-gnu --sysroot=%S/Inputs/archlinux_i686_tree -ccc-install-dir %S/Inputs/basic_linux_tree/usr/bin \
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// RUN: --stdlib=platform --rtlib=platform \
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// RUN: --gcc-install-dir=%S/Inputs/archlinux_i686_tree/usr/lib/gcc/i686-pc-linux-gnu/11.1.0 2>&1 | FileCheck %s --check-prefix=ARCH_I686
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// ARCH_I686: "-internal-isystem"
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// ARCH_I686-SAME: {{^}} "[[SYSROOT:[^"]+]]/usr/lib/gcc/i686-pc-linux-gnu/11.1.0/../../../../include/c++/11.1.0"
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// ARCH_I686-SAME: {{^}} "-internal-isystem" "[[SYSROOT:[^"]+]]/usr/lib/gcc/i686-pc-linux-gnu/11.1.0/../../../../include/c++/11.1.0/i686-pc-linux-gnu"
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// ARCH_I686: "-L
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// ARCH_I686-SAME: {{^}}[[SYSROOT]]/usr/lib/gcc/i686-pc-linux-gnu/11.1.0"
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// ARCH_I686-SAME: {{^}} "-L[[SYSROOT]]/lib"
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// ARCH_I686-SAME: {{^}} "-L[[SYSROOT]]/usr/lib"
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/// Test native GCC installation on Debian amd64. --gcc-install-dir= may end with /.
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// RUN: %clangxx %s -### --target=x86_64-unknown-linux-gnu --sysroot=%S/Inputs/debian_multiarch_tree \
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// RUN: -ccc-install-dir %S/Inputs/basic_linux_tree/usr/bin -resource-dir=%S/Inputs/resource_dir --stdlib=platform --rtlib=platform \
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// RUN: --gcc-install-dir=%S/Inputs/debian_multiarch_tree/usr/lib/gcc/x86_64-linux-gnu/10/ 2>&1 | FileCheck %s --check-prefix=DEBIAN_X86_64
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// DEBIAN_X86_64: "-internal-isystem"
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// DEBIAN_X86_64-SAME: {{^}} "[[SYSROOT:[^"]+]]/usr/lib/gcc/x86_64-linux-gnu/10/../../../../include/c++/10"
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// DEBIAN_X86_64-SAME: {{^}} "-internal-isystem" "[[SYSROOT:[^"]+]]/usr/lib/gcc/x86_64-linux-gnu/10/../../../../include/x86_64-linux-gnu/c++/10"
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// DEBIAN_X86_64-SAME: {{^}} "-internal-isystem" "[[SYSROOT]]/usr/lib/gcc/x86_64-linux-gnu/10/../../../../include/c++/10/backward"
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/// We set explicit -ccc-install-dir ensure that Clang does not pick up extra
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/// library directories which may be present in the runtimes build.
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// DEBIAN_X86_64: "-L
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// DEBIAN_X86_64-SAME: {{^}}[[SYSROOT]]/usr/lib/gcc/x86_64-linux-gnu/10"
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// DEBIAN_X86_64-SAME: {{^}} "-L[[SYSROOT]]/usr/lib/gcc/x86_64-linux-gnu/10/../../../../lib64"
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/// Test -m32.
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// RUN: %clangxx %s -### --target=x86_64-unknown-linux-gnu -m32 --sysroot=%S/Inputs/debian_multiarch_tree \
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// RUN: -ccc-install-dir %S/Inputs/basic_linux_tree/usr/bin -resource-dir=%S/Inputs/resource_dir --stdlib=platform --rtlib=platform \
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// RUN: --gcc-install-dir=%S/Inputs/debian_multiarch_tree/usr/lib/gcc/x86_64-linux-gnu/10/ 2>&1 | FileCheck %s --check-prefix=DEBIAN_X86_64_M32
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// DEBIAN_X86_64_M32: "-internal-isystem"
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// DEBIAN_X86_64_M32-SAME: {{^}} "[[SYSROOT:[^"]+]]/usr/lib/gcc/x86_64-linux-gnu/10/../../../../include/c++/10"
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// DEBIAN_X86_64_M32-SAME: {{^}} "-internal-isystem" "[[SYSROOT:[^"]+]]/usr/lib/gcc/x86_64-linux-gnu/10/../../../../include/x86_64-linux-gnu/c++/10/32"
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// DEBIAN_X86_64_M32: "-L
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// DEBIAN_X86_64_M32-SAME: {{^}}[[SYSROOT]]/usr/lib/gcc/x86_64-linux-gnu/10/32"
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// DEBIAN_X86_64_M32-SAME: {{^}} "-L[[SYSROOT]]/usr/lib/gcc/x86_64-linux-gnu/10/../../../../lib32"
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// RUN: %clangxx %s -### --target=x86_64-unknown-linux-gnu --sysroot=%S/Inputs/debian_multiarch_tree \
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// RUN: -ccc-install-dir %S/Inputs/basic_linux_tree/usr/bin -resource-dir=%S/Inputs/resource_dir --stdlib=platform --rtlib=platform \
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// RUN: --gcc-install-dir=%S/Inputs/debian_multiarch_tree/usr/lib/gcc/x86_64-linux-gnu 2>&1 | FileCheck %s --check-prefix=INVALID
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// INVALID: error: '{{.*}}/usr/lib/gcc/x86_64-linux-gnu' does not contain a GCC installation
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