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ENH: try to create a file which can be used for presetting the cache values 

of the TRY_RUN() results when crosscompiling

Alex
This commit is contained in:
Alexander Neundorf 2007-07-23 10:47:23 -04:00
parent 13db5b578b
commit cbab76516f
1 changed files with 20 additions and 0 deletions
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20
Source/cmTryRunCommand.cxx
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@ -272,6 +272,7 @@ void cmTryRunCommand::DoNotRunExecutable(const std::string& runArgs,
error = true; error = true;
} }
// is the output from the executable used ?
if (out!=0) if (out!=0)
{ {
if (this->Makefile->GetDefinition(internalRunOutputName.c_str()) == 0) if (this->Makefile->GetDefinition(internalRunOutputName.c_str()) == 0)
@ -312,6 +313,25 @@ void cmTryRunCommand::DoNotRunExecutable(const std::string& runArgs,
if (error) if (error)
{ {
static bool firstRun = true;
std::string fileName = this->Makefile->GetHomeOutputDirectory();
fileName += "/TryRunResults.cmake";
std::ofstream file(fileName.c_str(), firstRun?std::ios::out : std::ios::app);
if ( file )
{
file << "SET( " << internalRunOutputName << " \""
<< this->Makefile->GetDefinition(this->RunResultVariable.c_str())
<< "\" CACHE STRING \"Result from TRY_RUN\" )\n\n";
if (out!=0)
{
file << "SET( " << this->RunResultVariable << " \""
<< this->Makefile->GetDefinition(internalRunOutputName.c_str())
<< "\" CACHE STRING \"Output from TRY_RUN\" )\n\n";
}
file.close();
}
firstRun = false;
std::string errorMessage = "TRY_RUN() invoked in cross-compiling mode, " std::string errorMessage = "TRY_RUN() invoked in cross-compiling mode, "
"please set the following cache variables " "please set the following cache variables "
"appropriatly:\n"; "appropriatly:\n";