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function llvmConfig(qbs)
{
var llvmInstallDirFromEnv = qbs.getEnv("LLVM_INSTALL_DIR")
var llvmConfigVariants = [
"llvm-config", "llvm-config-3.2", "llvm-config-3.3", "llvm-config-3.4",
"llvm-config-3.5", "llvm-config-3.6", "llvm-config-4.0", "llvm-config-4.1"
];
// Prefer llvm-config* from LLVM_INSTALL_DIR
if (llvmInstallDirFromEnv) {
for (var i = 0; i < llvmConfigVariants.length; ++i) {
var variant = llvmInstallDirFromEnv + "/bin/" + llvmConfigVariants[i];
if (File.exists(variant))
return variant;
}
}
// Find llvm-config* in PATH
var pathListString = qbs.getEnv("PATH");
var separator = qbs.hostOS.contains("windows") ? ";" : ":";
var pathList = pathListString.split(separator);
for (var i = 0; i < llvmConfigVariants.length; ++i) {
for (var j = 0; j < pathList.length; ++j) {
var variant = pathList[j] + "/" + llvmConfigVariants[i];
if (File.exists(variant))
return variant;
}
}
return undefined;
}
function includeDir(llvmConfig, processOutputReader)
{
return processOutputReader.readOutput(llvmConfig, ["--includedir"])
}
function libDir(llvmConfig, processOutputReader)
{
return processOutputReader.readOutput(llvmConfig, ["--libdir"])
}
function version(llvmConfig, processOutputReader)
{
return processOutputReader.readOutput(llvmConfig, ["--version"])
.replace(/(\d+\.\d+\.\d+).*/, "$1")
}
function libraries(targetOS)
{
return ["clang"] + (targetOS.contains("windows") ? ["advapi32", "shell32"] : [])
}
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