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ENH#61: cmake and ccmake now support passing the path to a CMakeCache.txt file as an argument. Its settings will be loaded.

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This commit is contained in:
Brad King 2003-08-05 16:36:15 -04:00
parent 8830b45b88
commit 1e077d436e
2 changed files with 94 additions and 8 deletions
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100
Source/cmake.cxx
View File

@ -329,14 +329,7 @@ void cmake::SetArgs(const std::vector<std::string>& args)
else
{
directoriesSet = true;
this->SetHomeOutputDirectory
(cmSystemTools::GetCurrentWorkingDirectory().c_str());
this->SetStartOutputDirectory
(cmSystemTools::GetCurrentWorkingDirectory().c_str());
this->SetHomeDirectory
(cmSystemTools::CollapseFullPath(arg.c_str()).c_str());
this->SetStartDirectory
(cmSystemTools::CollapseFullPath(arg.c_str()).c_str());
this->SetDirectoriesFromFile(arg.c_str());
}
}
if(!directoriesSet)
@ -357,6 +350,97 @@ void cmake::SetArgs(const std::vector<std::string>& args)
}
}
//----------------------------------------------------------------------------
void cmake::SetDirectoriesFromFile(const char* arg)
{
// Check if the argument refers to a CMakeCache.txt or
// CMakeLists.txt file.
std::string listPath;
std::string cachePath;
bool argIsFile = false;
if(cmSystemTools::FileIsDirectory(arg))
{
std::string path = cmSystemTools::CollapseFullPath(arg);
cmSystemTools::ConvertToUnixSlashes(path);
std::string cacheFile = path;
cacheFile += "/CMakeCache.txt";
std::string listFile = path;
listFile += "/CMakeLists.txt";
if(cmSystemTools::FileExists(cacheFile.c_str()))
{
cachePath = path;
}
if(cmSystemTools::FileExists(listFile.c_str()))
{
listPath = path;
}
}
else if(cmSystemTools::FileExists(arg))
{
argIsFile = true;
std::string fullPath = cmSystemTools::CollapseFullPath(arg);
std::string name = cmSystemTools::GetFilenameName(fullPath.c_str());
name = cmSystemTools::LowerCase(name);
if(name == "cmakecache.txt")
{
cachePath = cmSystemTools::GetFilenamePath(fullPath.c_str());
}
else if(name == "cmakelists.txt")
{
listPath = cmSystemTools::GetFilenamePath(fullPath.c_str());
}
}
// If there is a CMakeCache.txt file, use its settings.
if(cachePath.length() > 0)
{
cmCacheManager* cachem = this->GetCacheManager();
cmCacheManager::CacheIterator it = cachem->NewIterator();
if(cachem->LoadCache(cachePath.c_str()) && it.Find("CMAKE_HOME_DIRECTORY"))
{
this->SetHomeOutputDirectory(cachePath.c_str());
this->SetStartOutputDirectory(cachePath.c_str());
this->SetHomeDirectory(it.GetValue());
this->SetStartDirectory(it.GetValue());
return;
}
}
// If there is a CMakeLists.txt file, use it as the source tree.
if(listPath.length() > 0)
{
this->SetHomeDirectory(listPath.c_str());
this->SetStartDirectory(listPath.c_str());
if(argIsFile)
{
// Source CMakeLists.txt file given. It was probably dropped
// onto the executable in a GUI. Default to an in-source build.
this->SetHomeOutputDirectory(listPath.c_str());
this->SetStartOutputDirectory(listPath.c_str());
}
else
{
// Source directory given on command line. Use current working
// directory as build tree.
std::string cwd = cmSystemTools::GetCurrentWorkingDirectory();
this->SetHomeOutputDirectory(cwd.c_str());
this->SetStartOutputDirectory(cwd.c_str());
}
return;
}
// We didn't find a CMakeLists.txt or CMakeCache.txt file from the
// argument. Assume it is the path to the source tree, and use the
// current working directory as the build tree.
std::string full = cmSystemTools::CollapseFullPath(arg);
std::string cwd = cmSystemTools::GetCurrentWorkingDirectory();
this->SetHomeDirectory(full.c_str());
this->SetStartDirectory(full.c_str());
this->SetHomeOutputDirectory(cwd.c_str());
this->SetStartOutputDirectory(cwd.c_str());
}
// at the end of this CMAKE_ROOT and CMAKE_COMMAND should be added to the cache
int cmake::AddCMakePaths(const char *arg0)
{

2
Source/cmake.h
View File

@ -273,6 +273,8 @@ protected:
*/
int AddCMakePaths(const char *arg0);
void SetDirectoriesFromFile(const char* arg);
cmVariableWatch* m_VariableWatch;
private: