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Teach configure_file to handle relative paths 

The configure_file() command now converts relative output paths to full
paths using the current binary directory.  Input relative paths were
already converted using the current source directory, but this behavior
was not previously documented.
This commit is contained in:
Brad King 2009-09-16 15:09:29 -04:00
parent dda0da8b9e
commit 700cdf393a
2 changed files with 27 additions and 12 deletions
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29
Source/cmConfigureFileCommand.cxx
View File

@ -27,8 +27,23 @@ bool cmConfigureFileCommand
this->SetError("called with incorrect number of arguments, expected 2");
return false;
}
this->InputFile = args[0];
this->OutputFile = args[1];
const char* inFile = args[0].c_str();
if(!cmSystemTools::FileIsFullPath(inFile))
{
this->InputFile = this->Makefile->GetCurrentDirectory();
this->InputFile += "/";
}
this->InputFile += inFile;
const char* outFile = args[1].c_str();
if(!cmSystemTools::FileIsFullPath(outFile))
{
this->OutputFile = this->Makefile->GetCurrentOutputDirectory();
this->OutputFile += "/";
}
this->OutputFile += outFile;
if ( !this->Makefile->CanIWriteThisFile(this->OutputFile.c_str()) )
{
std::string e = "attempted to configure a file: " + this->OutputFile
@ -89,14 +104,8 @@ void cmConfigureFileCommand::FinalPass()
int cmConfigureFileCommand::ConfigureFile()
{
std::string inFile = this->InputFile;
if (!cmSystemTools::FileIsFullPath(inFile.c_str()))
{
inFile = this->Makefile->GetStartDirectory();
inFile += "/";
inFile += this->InputFile;
}
return this->Makefile->ConfigureFile(inFile.c_str(),
return this->Makefile->ConfigureFile(
this->InputFile.c_str(),
this->OutputFile.c_str(),
this->CopyOnly,
this->AtOnly,

10
Source/cmConfigureFileCommand.h
View File

@ -60,9 +60,15 @@ public:
virtual const char* GetFullDocumentation()
{
return
" configure_file(InputFile OutputFile\n"
" configure_file(<input> <output>\n"
" [COPYONLY] [ESCAPE_QUOTES] [@ONLY])\n"
"The Input and Output files have to have full paths. "
"Copies a file <input> to file <output> and substitutes variable "
"values referenced in the file content. "
"If <input> is a relative path it is evaluated with respect to "
"the current source directory. "
"If <output> is a relative path it is evaluated with respect to "
"the current binary directory. "
"\n"
"This command replaces any variables in the input file referenced as "
"${VAR} or @VAR@ with their values as determined by CMake. If a "
"variable is not defined, it will be replaced with nothing. "