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cmake: Fix loading CMake sources from long paths on Windows

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Pass a Windows extended path to the lexer so it can open long paths.
This commit is contained in:
Matt Jaeger
2021-03-25 11:56:36 -07:00
committed by Brad King
parent 0020f69848
commit 2fe39dc306
1 changed files with 11 additions and 1 deletions
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12
Source/cmListFileCache.cxx
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@@ -7,6 +7,10 @@
#include <sstream>
#include <utility>
#ifdef _WIN32
# include <cmsys/Encoding.hxx>
#endif
#include "cmListFileLexer.h"
#include "cmMessageType.h"
#include "cmMessenger.h"
@@ -83,9 +87,15 @@ bool cmListFileParser::ParseFile(const char* filename)
{
this->FileName = filename;
#ifdef _WIN32
std::string expandedFileName = cmsys::Encoding::ToNarrow(
cmSystemTools::ConvertToWindowsExtendedPath(filename));
filename = expandedFileName.c_str();
#endif
// Open the file.
cmListFileLexer_BOM bom;
if (!cmListFileLexer_SetFileName(this->Lexer, this->FileName, &bom)) {
if (!cmListFileLexer_SetFileName(this->Lexer, filename, &bom)) {
this->IssueFileOpenError("cmListFileCache: error can not open file.");
return false;
}