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| author | NAKAMURA Takumi <geek4civic@gmail.com> | 2017-06-17 03:19:08 +0000 |
|---|---|---|
| committer | NAKAMURA Takumi <geek4civic@gmail.com> | 2017-06-17 03:19:08 +0000 |
| commit | fc7f3b7514147cb6fc0ea67a5b0ee61e59d1ef6e (patch) | |
| tree | 02d849c2b42c9f3203ad764d16d71dd3e1e1a5eb /llvm/lib/Support/Unix | |
| parent | 9e19d790a683e30b6ae7319b0bc6fb296730cbc5 (diff) | |
| download | bcm5719-llvm-fc7f3b7514147cb6fc0ea67a5b0ee61e59d1ef6e.tar.gz bcm5719-llvm-fc7f3b7514147cb6fc0ea67a5b0ee61e59d1ef6e.zip | |
[CMake] Introduce LLVM_TARGET_TRIPLE_ENV as an option to override LLVM_DEFAULT_TARGET_TRIPLE at runtime.
No behavior is changed if LLVM_TARGET_TRIPLE_ENV is blank or undefined.
If LLVM_TARGET_TRIPLE_ENV is "TEST_TARGET_TRIPLE" and $TEST_TARGET_TRIPLE is not blank,
llvm::sys::getDefaultTargetTriple() returns $TEST_TARGET_TRIPLE.
Lit resets config.target_triple and config.environment[LLVM_TARGET_TRIPLE_ENV] to change the default target.
Without changing LLVM_DEFAULT_TARGET_TRIPLE nor rebuilding, lit can be run;
TEST_TARGET_TRIPLE=i686-pc-win32 bin/llvm-lit -sv path/to/test/
TEST_TARGET_TRIPLE=i686-pc-win32 ninja check-clang-tools
Differential Revision: https://reviews.llvm.org/D33662
llvm-svn: 305632
Diffstat (limited to 'llvm/lib/Support/Unix')
| -rw-r--r-- | llvm/lib/Support/Unix/Host.inc | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/Support/Unix/Host.inc b/llvm/lib/Support/Unix/Host.inc index 457217125a2..0ba6a25aa19 100644 --- a/llvm/lib/Support/Unix/Host.inc +++ b/llvm/lib/Support/Unix/Host.inc @@ -45,5 +45,11 @@ std::string sys::getDefaultTargetTriple() { TargetTripleString += getOSVersion(); } + // Override the default target with an environment variable named by LLVM_TARGET_TRIPLE_ENV. +#if defined(LLVM_TARGET_TRIPLE_ENV) + if (const char *EnvTriple = std::getenv(LLVM_TARGET_TRIPLE_ENV)) + TargetTripleString = EnvTriple; +#endif + return Triple::normalize(TargetTripleString); } |
