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Merge pull request #482 from klickverbot/ldmd-create-directory

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LDMD: Create output directories if they do not exist.
This commit is contained in:
David Nadlinger 2013-10-03 19:21:23 -07:00
commit ca82589e25
1 changed files with 23 additions and 1 deletions
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24
driver/ldmd.cpp
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@ -939,7 +939,7 @@ void buildCommandLine(std::vector<const char*>& r, const Params& p)
}
/**
* Returns the OS-dependent length limit for the command line when invoking
* Returns the OS-dependent length limit for the command line when invoking
* subprocesses.
*/
size_t maxCommandLineLen()
@ -977,6 +977,15 @@ std::string locateBinary(std::string exeName, const char* argv0)
return "";
}
/**
* Makes sure the given directory (absolute or relative) exists on disk.
*/
static void createOutputDir(const char* dir) {
bool dirExisted; // ignored
if (ls::fs::create_directories(dir, dirExisted) != llvm::errc::success)
error("Could not create output directory '%s'.", dir);
}
static size_t addStrlen(size_t acc, const char* str)
{
if (!str) return acc;
@ -1007,6 +1016,19 @@ int main(int argc, char *argv[])
args.push_back(NULL);
// On Linux, DMD creates output directores that don't already exist, while
// LDC does not (and neither does GDC). Do this here for rdmd compatibility.
if (p.objName)
{
llvm::SmallString<256> outputPath(p.objName);
ls::path::remove_filename(outputPath);
if (!outputPath.empty())
createOutputDir(outputPath.c_str());
}
if (p.objDir)
createOutputDir(p.objDir);
// Check if we need to write out a response file.
size_t totalLen = std::accumulate(args.begin(), args.end(), 0, addStrlen);
if (totalLen > maxCommandLineLen())