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Register $PWD with its full name (ROOT-7114).

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Axel Naumann 2015-03-25 11:55:22 +01:00 committed by sftnight
parent a0dfd6f352
commit c4a8f069d3
1 changed files with 14 additions and 0 deletions
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14
lib/Interpreter/CIFactory.cpp
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@ -50,7 +50,11 @@
#include <sstream>
#define popen _popen
#define pclose _pclose
#define getcwd_func _getcwd
#pragma comment(lib, "Advapi32.lib")
#else
#include <unistd.h>
#define getcwd_func getcwd
#endif
using namespace clang;
@ -678,6 +682,16 @@ namespace {
// * a virtual file that is claiming to be huge
// * with an empty memory buffer attached (to bring the content)
FileManager& FM = SM->getFileManager();
// When asking for the input file below (which does not have a directory
// name), clang will call $PWD "." which is terrible if we ever change
// directories (see ROOT-7114). By asking for $PWD (and not ".") it will
// be registered as $PWD instead, which is stable even after chdirs.
char cwdbuf[2048];
const clang::DirectoryEntry* DE
= FM.getDirectory(getcwd_func(cwdbuf, sizeof(cwdbuf)));
(void)DE;
assert(!strcmp(DE->getName(), cwdbuf) && "Unexpected name for $PWD");
// Build the virtual file
const char* Filename = "InteractiveInputLineIncluder.h";
const std::string& CGOptsMainFileName