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var Environment = require("qbs.Environment")
var File = require("qbs.File")
var FileInfo = require("qbs.FileInfo")
var MinimumLLVMVersion = "3.9.0" // CLANG-UPGRADE-CHECK: Adapt minimum version numbers.
var Process = require("qbs.Process")
function readOutput(executable, args)
{
var p = new Process();
var output = "";
if (p.exec(executable, args, false) !== -1)
output = p.readStdOut().trim(); // Trailing newline.
p.close();
return output;
}
function isSuitableLLVMConfig(llvmConfigCandidate, qtcFunctions)
{
if (File.exists(llvmConfigCandidate)) {
var candidateVersion = version(llvmConfigCandidate);
if (candidateVersion && candidateVersion.length)
return qtcFunctions.versionIsAtLeast(candidateVersion, MinimumLLVMVersion)
}
return false;
}
function llvmConfig(qbs, qtcFunctions)
{
var llvmInstallDirFromEnv = Environment.getEnv("LLVM_INSTALL_DIR")
var llvmConfigVariants = [
"llvm-config", "llvm-config-3.9", "llvm-config-4.0", "llvm-config-4.1"
];
// Prefer llvm-config* from LLVM_INSTALL_DIR
var suffix = qbs.hostOS.contains("windows") ? ".exe" : "";
if (llvmInstallDirFromEnv) {
for (var i = 0; i < llvmConfigVariants.length; ++i) {
var variant = llvmInstallDirFromEnv + "/bin/" + llvmConfigVariants[i] + suffix;
if (isSuitableLLVMConfig(variant, qtcFunctions))
return variant;
}
}
// Find llvm-config* in PATH
var pathListString = Environment.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] + suffix;
if (isSuitableLLVMConfig(variant, qtcFunctions))
return variant;
}
}
return undefined;
}
function includeDir(llvmConfig)
{
return FileInfo.fromNativeSeparators(readOutput(llvmConfig, ["--includedir"]));
}
function libDir(llvmConfig)
{
return FileInfo.fromNativeSeparators(readOutput(llvmConfig, ["--libdir"]));
}
function version(llvmConfig)
{
return readOutput(llvmConfig, ["--version"]).replace(/(\d+\.\d+\.\d+).*/, "$1")
}
function libraries(targetOS)
{
return targetOS.contains("windows") ? ["libclang.lib", "advapi32.lib", "shell32.lib"] : ["clang"]
}
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