134 lines
6.2 KiB
C
134 lines
6.2 KiB
C
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/// Don't create symlinks on Windows
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// UNSUPPORTED: system-windows
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/// Check the priority used when searching for tools
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/// Names and locations are usually in this order:
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/// <triple>-tool, tool, <default triple>-tool
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/// program path, PATH
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/// (from highest to lowest priority)
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/// A higher priority name found in a lower priority
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/// location will win over a lower priority name in a
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/// higher priority location.
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/// Prefix dirs (added with -B) override the location,
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/// so only name priority is accounted for, unless we fail to find
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/// anything at all in the prefix.
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/// Note: All matches are expected to be at the end of file paths.
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/// So we match " on the end to account for build systems that
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/// put the name of the compiler in the build path.
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/// E.g. /build/gcc_X.Y.Z/0/...
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/// Symlink clang to a new dir which will be its
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/// "program path" for these tests
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// RUN: rm -rf %t && mkdir -p %t
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// RUN: ln -s %clang %t/clang
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/// No gccs at all, nothing is found
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// RUN: env "PATH=" %t/clang -### -target notreal-none-elf %s 2>&1 | \
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// RUN: FileCheck --check-prefix=NO_NOTREAL_GCC %s
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// NO_NOTREAL_GCC-NOT: notreal-none-elf-gcc"
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/// Some systems will have "gcc-x.y.z" so for this first check
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/// make sure we don't find "gcc" or "gcc-x.y.z". If we do find either
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/// then there is no point continuing as this copy of clang is not
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/// isolated as we expected.
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// NO_NOTREAL_GCC-NOT: {{/gcc[^/]*"}}
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/// <triple>-gcc in program path is found
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// RUN: touch %t/notreal-none-elf-gcc && chmod +x %t/notreal-none-elf-gcc
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// RUN: env "PATH=" %t/clang -### -target notreal-none-elf %s 2>&1 | \
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// RUN: FileCheck --check-prefix=PROG_PATH_NOTREAL_GCC %s
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// PROG_PATH_NOTREAL_GCC: notreal-none-elf-gcc"
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/// <triple>-gcc on the PATH is found
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// RUN: mkdir -p %t/env
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// RUN: rm %t/notreal-none-elf-gcc
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// RUN: touch %t/env/notreal-none-elf-gcc && chmod +x %t/env/notreal-none-elf-gcc
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// RUN: env "PATH=%t/env/" %t/clang -### -target notreal-none-elf %s 2>&1 | \
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// RUN: FileCheck --check-prefix=ENV_PATH_NOTREAL_GCC %s
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// ENV_PATH_NOTREAL_GCC: env/notreal-none-elf-gcc"
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/// <triple>-gcc in program path is preferred to one on the PATH
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// RUN: touch %t/notreal-none-elf-gcc && chmod +x %t/notreal-none-elf-gcc
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// RUN: env "PATH=%t/env/" %t/clang -### -target notreal-none-elf %s 2>&1 | \
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// RUN: FileCheck --check-prefix=BOTH_NOTREAL_GCC %s
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// BOTH_NOTREAL_GCC: notreal-none-elf-gcc"
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// BOTH_NOTREAL_GCC-NOT: env/notreal-none-elf-gcc"
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/// On program path, <triple>-gcc is preferred to plain gcc
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// RUN: touch %t/gcc && chmod +x %t/gcc
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// RUN: env "PATH=" %t/clang -### -target notreal-none-elf %s 2>&1 | \
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// RUN: FileCheck --check-prefix=NOTREAL_GCC_PREFERRED %s
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// NOTREAL_GCC_PREFERRED: notreal-none-elf-gcc"
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// NOTREAL_GCC_PREFERRED-NOT: /gcc"
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/// <triple>-gcc on the PATH is preferred to gcc in program path
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// RUN: rm %t/notreal-none-elf-gcc
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// RUN: env "PATH=%t/env/" %t/clang -### -target notreal-none-elf %s 2>&1 | \
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// RUN: FileCheck --check-prefix=NOTREAL_PATH_OVER_GCC_PROG %s
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// NOTREAL_PATH_OVER_GCC_PROG: env/notreal-none-elf-gcc"
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// NOTREAL_PATH_OVER_GCC_PROG-NOT: /gcc"
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/// <triple>-gcc on the PATH is preferred to gcc on the PATH
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// RUN: rm %t/gcc
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// RUN: touch %t/env/gcc && chmod +x %t/env/gcc
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// RUN: env "PATH=%t/env/" %t/clang -### -target notreal-none-elf %s 2>&1 | \
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// RUN: FileCheck --check-prefix=NOTREAL_PATH_OVER_GCC_PATH %s
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// NOTREAL_PATH_OVER_GCC_PATH: env/notreal-none-elf-gcc"
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// NOTREAL_PATH_OVER_GCC_PATH-NOT: /gcc"
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/// We cannot trust clang --version, or cmake's LLVM_DEFAULT_TARGET_TRIPLE
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/// to give us the one and only default triple.
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/// Can't trust cmake because on Darwin, triples have a verison appended to them.
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/// (and clang uses the versioned string to search)
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/// Can't trust --version because it will pad 3 item triples to 4 e.g.
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/// powerpc64le-linux-gnu -> powerpc64le-unknown-linux-gnu
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/// (and clang uses the former to search)
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/// So we write to both names which is a bit odd but still proves that the
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/// lookup is working.
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/// <default-triple>-gcc has lowest priority so <triple>-gcc
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/// on PATH beats default triple in program path
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// RUN: DEFAULT_TRIPLE=`%t/clang --version | grep "Target:" | cut -d ' ' -f2`
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// RUN: touch %t/$DEFAULT_TRIPLE-gcc && chmod +x %t/$DEFAULT_TRIPLE-gcc
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// RUN: touch %t/%target_triple-gcc && chmod +x %t/%target_triple-gcc
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// RUN: env "PATH=%t/env/" %t/clang -### -target notreal-none-elf %s 2>&1 | \
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// RUN: FileCheck --check-prefix=DEFAULT_TRIPLE_GCC %s
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// DEFAULT_TRIPLE_GCC: env/notreal-none-elf-gcc"
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/// plain gcc on PATH beats default triple in program path
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// RUN: rm %t/env/notreal-none-elf-gcc
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// RUN: env "PATH=%t/env/" %t/clang -### -target notreal-none-elf %s 2>&1 | \
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// RUN: FileCheck --check-prefix=DEFAULT_TRIPLE_NO_NOTREAL %s
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// DEFAULT_TRIPLE_NO_NOTREAL: env/gcc"
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// DEFAULT_TRIPLE_NO_NOTREAL-NOT: -gcc"
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/// default triple only chosen when no others are present
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// RUN: rm %t/env/gcc
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// RUN: env "PATH=%t/env/" %t/clang -### -target notreal-none-elf %s 2>&1 | \
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// RUN: FileCheck --check-prefix=DEFAULT_TRIPLE_NO_OTHERS %s
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// DEFAULT_TRIPLE_NO_OTHERS: -gcc"
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// DEFAULT_TRIPLE_NO_OTHERS-NOT: notreal-none-elf-gcc"
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// DEFAULT_TRIPLE_NO_OTHERS-NOT: /gcc"
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/// -B paths are searched separately so default triple will win
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/// if put in one of those even if other paths have higher priority names
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// RUN: mkdir -p %t/prefix
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/// One of these will fail when $DEFAULT_TRIPLE == %target_triple
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// RUN: test -f %t/$DEFAULT_TRIPLE-gcc && \
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// RUN: mv %t/$DEFAULT_TRIPLE-gcc %t/prefix || true
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// RUN: test -f %t/%target_triple-gcc && \
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// RUN: mv %t/%target_triple-gcc %t/prefix || true
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// RUN: touch %t/notreal-none-elf-gcc && chmod +x %t/notreal-none-elf-gcc
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// RUN: touch %t/prefix/gcc && chmod +x %t/prefix/gcc
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// RUN: env "PATH=" %t/clang -### -target notreal-none-elf %s -B %t/prefix 2>&1 | \
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// RUN: FileCheck --check-prefix=DEFAULT_TRIPLE_IN_PREFIX %s
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// DEFAULT_TRIPLE_IN_PREFIX: prefix/gcc"
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// DEFAULT_TRIPLE_IN_PREFIX-NOT: notreal-none-elf-gcc"
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/// Only if there is nothing in the prefix will we search other paths
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/// -f in case $DEFAULT_TRIPLE == %target_triple
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// RUN: rm -f %t/prefix/$DEFAULT_TRIPLE-gcc %t/prefix/%target_triple-gcc %t/prefix/gcc
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// RUN: env "PATH=" %t/clang -### -target notreal-none-elf %s -B %t/prefix 2>&1 | \
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// RUN: FileCheck --check-prefix=EMPTY_PREFIX_DIR %s
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// EMPTY_PREFIX_DIR: notreal-none-elf-gcc"
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