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Force i[0-9]86 to i386 when using LLVM_HOSTTRIPLE. 

Only use major part of OS version when on darwin and modifying OS part
of target triple.

llvm-svn: 60957
This commit is contained in:
Daniel Dunbar 2008-12-12 18:34:35 +00:00
parent 56572ab9e9
commit 7b127324ce
1 changed files with 8 additions and 1 deletions
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9
clang/Driver/clang.cpp
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@ -790,13 +790,20 @@ static std::string CreateTargetTriple() {
if (Triple.empty()) {
Triple = LLVM_HOSTTRIPLE;
// Force i<N>86 to i386 when using LLVM_HOSTTRIPLE.
if (Triple[0] == 'i' && isdigit(Triple[1]) &&
Triple[2] == '8' && Triple[3] == '6')
Triple[1] = '3';
// On darwin, we want to update the version to match that of the
// host.
std::string::size_type DarwinDashIdx = Triple.find("-darwin");
if (DarwinDashIdx != std::string::npos) {
Triple.resize(DarwinDashIdx + strlen("-darwin"));
Triple += llvm::sys::osVersion();
// Only add the major part of the os version.
std::string Version = llvm::sys::osVersion();
Triple += Version.substr(0, Version.find('.'));
}
}