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ENH: better format for ADD_SUBDIRECTORY command

This commit is contained in:
Ken Martin 2005-09-12 13:46:16 -04:00
parent 74918bfc87
commit 4cb9d2fd96
2 changed files with 55 additions and 24 deletions
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64
Source/cmAddSubDirectoryCommand.cxx
View File

@ -26,8 +26,8 @@ bool cmAddSubDirectoryCommand::InitialPass(std::vector<std::string> const& args)
}
// store the binpath
std::string binArg = args[0];
std::string srcArg;
std::string srcArg = args[0];
std::string binArg;
bool intoplevel = true;
@ -41,9 +41,9 @@ bool cmAddSubDirectoryCommand::InitialPass(std::vector<std::string> const& args)
intoplevel = false;
continue;
}
else if (!srcArg.size())
else if (!binArg.size())
{
srcArg = *i;
binArg = *i;
}
else
{
@ -52,19 +52,15 @@ bool cmAddSubDirectoryCommand::InitialPass(std::vector<std::string> const& args)
}
}
// if srcArg not provided use binArg
if (!srcArg.size())
{
srcArg = binArg;
}
// now we have all the arguments
// if they specified a relative path then compute the full
// check for relative arguments
bool relativeSource = true;
std::string binPath = binArg;
std::string srcPath = std::string(m_Makefile->GetCurrentDirectory()) +
"/" + srcArg;
// if the path does not exist then the arg was relative
if (!cmSystemTools::FileIsDirectory(srcPath.c_str()))
{
relativeSource = false;
srcPath = srcArg;
if (!cmSystemTools::FileIsDirectory(srcPath.c_str()))
{
@ -75,13 +71,47 @@ bool cmAddSubDirectoryCommand::InitialPass(std::vector<std::string> const& args)
}
}
std::string binPath = binArg;
if (!cmSystemTools::FileIsFullPath(binPath.c_str()))
// at this point srcPath has the full path to the source directory
// now we need to compute the binPath if it was not provided
// if the argument was provided then use it
if (binArg.size())
{
binPath = std::string(m_Makefile->GetCurrentOutputDirectory()) +
"/" + binArg.c_str();
if (!cmSystemTools::FileIsFullPath(binPath.c_str()))
{
binPath = std::string(m_Makefile->GetCurrentOutputDirectory()) +
"/" + binArg.c_str();
}
}
// otherwise compute the binPath from the srcPath
else
{
// if the srcArg was relative then we just do the same for the binPath
if (relativeSource)
{
binPath = std::string(m_Makefile->GetCurrentOutputDirectory()) +
"/" + srcArg;
}
// otherwise we try to remove the CurrentDirectory from the srcPath and
// replace it with the CurrentOutputDirectory. This may not really work
// because the source dir they provided may not be "in" the source
// tree. This is an error if this happens.
else
{
// try replacing the home dir with the home output dir
binPath = srcPath;
if (!cmSystemTools::FindLastString(binPath.c_str(),
m_Makefile->GetHomeDirectory()))
{
this->SetError("A full source directory was specified that is not in the source tree but no binary directory was specified. If you specify an out of tree source directory then you must provide the binary directory as well.");
return false;
}
cmSystemTools::ReplaceString(binPath,m_Makefile->GetHomeDirectory(),
m_Makefile->GetHomeOutputDirectory());
}
}
// now we have all the arguments
m_Makefile->AddSubDirectory(srcPath.c_str(), binPath.c_str(),
intoplevel, false, true);

15
Source/cmAddSubDirectoryCommand.h
View File

@ -62,16 +62,17 @@ public:
virtual const char* GetFullDocumentation()
{
return
" ADD_SUBDIRECTORY(binary_dir [source_dir]\n"
" ADD_SUBDIRECTORY(source_dir [binary_dir] \n"
" [EXCLUDE_FROM_ALL])\n"
"Add a subdirectory to the build. The binary_dir specifies the "
"directory in which to store the build files. If it is a relative "
"path it will be evaluated with respect to the current output "
"Add a subdirectory to the build. The source_dir specifies the "
"directory in which the source CmakeLists.txt and code files are "
"located. If it is a relative "
"path it will be evaluated with respect to the current "
"directory (the typical usage), but it may also be an absolute path. "
"The source_dir specifies the directory in which to find the source "
"The binary_dir specifies the directory in which to place the output "
"files. If it is a relative path it will be evaluated with respect "
"to the current source directory, but it may also be an absolute "
"path. If source_dir is not specified the value of binary_dir, "
"to the current otuput directory, but it may also be an absolute "
"path. If binary_dir is not specified, the value of source_dir, "
"before expanding any relative path, will be used (the typical usage). "
"The CMakeLists.txt file in the specified source directory will "
"be processed immediately by CMake before processing in the current "