CMake/Source/cmTryCompileCommand.cxx

311 lines
9.0 KiB
C++
Raw Normal View History

2002-08-28 22:49:25 +04:00
/*=========================================================================
Program: CMake - Cross-Platform Makefile Generator
2002-08-28 22:49:25 +04:00
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
2002-08-28 22:49:25 +04:00
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#include "cmTryCompileCommand.h"
2003-12-23 23:01:10 +03:00
#include "cmake.h"
2002-08-28 22:49:25 +04:00
#include "cmCacheManager.h"
#include "cmGlobalGenerator.h"
#include "cmListFileCache.h"
2003-06-23 16:58:58 +04:00
#include <cmsys/Directory.hxx>
2002-09-19 17:49:14 +04:00
int cmTryCompileCommand::CoreTryCompileCode(
cmMakefile *mf, std::vector<std::string> const& argv, bool clean)
2002-08-28 22:49:25 +04:00
{
// which signature were we called with ?
bool srcFileSignature = false;
unsigned int i;
2002-09-12 19:08:35 +04:00
// where will the binaries be stored
2002-09-17 17:16:53 +04:00
const char* binaryDirectory = argv[1].c_str();
const char* sourceDirectory = argv[2].c_str();
2002-09-12 19:08:35 +04:00
const char* projectName = 0;
2002-09-11 00:52:56 +04:00
const char* targetName = 0;
2002-09-12 19:08:35 +04:00
std::string tmpString;
int extraArgs = 0;
2002-09-19 17:49:14 +04:00
// look for CMAKE_FLAGS and store them
std::vector<std::string> cmakeFlags;
for (i = 3; i < argv.size(); ++i)
{
if (argv[i] == "CMAKE_FLAGS")
{
// CMAKE_FLAGS is the first argument because we need an argv[0] that
// is not used, so it matches regular command line parsing which has
// the program name as arg 0
for (; i < argv.size() && argv[i] != "COMPILE_DEFINITIONS" &&
argv[i] != "OUTPUT_VARIABLE";
2002-09-19 17:49:14 +04:00
++i)
{
extraArgs++;
2002-09-19 17:49:14 +04:00
cmakeFlags.push_back(argv[i]);
}
break;
}
}
// look for OUTPUT_VARIABLE and store them
std::string outputVariable;
for (i = 3; i < argv.size(); ++i)
{
if (argv[i] == "OUTPUT_VARIABLE")
{
if ( argv.size() <= (i+1) )
{
cmSystemTools::Error(
"OUTPUT_VARIABLE specified but there is no variable");
return -1;
}
extraArgs += 2;
outputVariable = argv[i+1];
break;
}
}
2002-09-19 17:49:14 +04:00
// look for COMPILE_DEFINITIONS and store them
std::vector<std::string> compileFlags;
for (i = 3; i < argv.size(); ++i)
2002-09-19 17:49:14 +04:00
{
if (argv[i] == "COMPILE_DEFINITIONS")
{
extraArgs++;
for (i = i + 1; i < argv.size() && argv[i] != "CMAKE_FLAGS" &&
argv[i] != "OUTPUT_VARIABLE";
2002-09-19 17:49:14 +04:00
++i)
{
extraArgs++;
2002-09-19 17:49:14 +04:00
compileFlags.push_back(argv[i]);
}
break;
}
}
// do we have a srcfile signature
if (argv.size() - extraArgs == 3)
{
srcFileSignature = true;
}
// only valid for srcfile signatures
if (!srcFileSignature && compileFlags.size())
{
cmSystemTools::Error(
"COMPILE_FLAGS specified on a srcdir type TRY_COMPILE");
return -1;
}
// compute the binary dir when TRY_COMPILE is called with a src file
// signature
if (srcFileSignature)
{
tmpString = argv[1] + "/CMakeTmp";
binaryDirectory = tmpString.c_str();
}
// make sure the binary directory exists
cmSystemTools::MakeDirectory(binaryDirectory);
// do not allow recursive try Compiles
if (!strcmp(binaryDirectory,mf->GetHomeOutputDirectory()))
{
cmSystemTools::Error("Attempt at a recursive or nested TRY_COMPILE in directory ",
binaryDirectory);
return -1;
}
std::string outFileName = tmpString + "/CMakeLists.txt";
2002-09-12 19:08:35 +04:00
// which signature are we using? If we are using var srcfile bindir
if (srcFileSignature)
2002-09-12 19:08:35 +04:00
{
// remove any CMakeCache.txt files so we will have a clean test
std::string ccFile = tmpString + "/CMakeCache.txt";
cmSystemTools::RemoveFile(ccFile.c_str());
// we need to create a directory and CMakeList file etc...
// first create the directories
sourceDirectory = binaryDirectory;
// now create a CMakeList.txt file in that directory
FILE *fout = fopen(outFileName.c_str(),"w");
if (!fout)
{
cmSystemTools::Error("Failed to create CMakeList file for ",
outFileName.c_str());
cmSystemTools::ReportLastSystemError("");
2002-09-19 17:49:14 +04:00
return -1;
2002-09-12 19:08:35 +04:00
}
std::string source = argv[2];
const char* lang = mf->GetCMakeInstance()->GetGlobalGenerator()->GetLanguageFromExtension(
cmSystemTools::GetFilenameExtension(source).c_str());
if(lang)
{
fprintf(fout, "PROJECT(CMAKE_TRY_COMPILE %s)\n", lang);
2004-08-06 22:51:41 +04:00
}
else
{
2004-09-23 17:08:00 +04:00
std::vector<std::string> langs;
mf->GetCMakeInstance()->GetGlobalGenerator()->GetEnabledLanguages(langs);
std::string msg = "TRY_COMPILE only works for enabled languages files,"
"\nCurrently enabled languages are:\n";
2004-09-23 17:08:00 +04:00
for(std::vector<std::string>::iterator l = langs.begin();
l != langs.end(); ++l)
{
msg += *l;
msg += " ";
}
cmSystemTools::Error("Unknown file format for file: ", source.c_str(), msg.c_str());
return -1;
}
std::string langFlags = "CMAKE_";
langFlags += lang;
langFlags += "_FLAGS";
fprintf(fout, "SET(CMAKE_VERBOSE_MAKEFILE 1)\n");
fprintf(fout, "SET(CMAKE_%s_FLAGS \"${CMAKE_%s_FLAGS}", lang, lang);
const char* flags = mf->GetDefinition(langFlags.c_str());
if(flags)
{
fprintf(fout, " %s ", flags);
}
fprintf(fout, " ${COMPILE_DEFINITIONS}\")\n");
fprintf(fout, "INCLUDE_DIRECTORIES(${INCLUDE_DIRECTORIES})\n");
fprintf(fout, "LINK_DIRECTORIES(${LINK_DIRECTORIES})\n");
2002-09-19 17:49:14 +04:00
// handle any compile flags we need to pass on
if (compileFlags.size())
{
fprintf(fout, "ADD_DEFINITIONS( ");
for (i = 0; i < compileFlags.size(); ++i)
{
fprintf(fout,"%s ",compileFlags[i].c_str());
}
fprintf(fout, ")\n");
}
fprintf(fout, "ADD_EXECUTABLE(cmTryCompileExec \"%s\")\n",source.c_str());
fprintf(fout, "TARGET_LINK_LIBRARIES(cmTryCompileExec ${LINK_LIBRARIES})\n");
2002-09-12 19:08:35 +04:00
fclose(fout);
projectName = "CMAKE_TRY_COMPILE";
targetName = "cmTryCompileExec";
// if the source is not in CMakeTmp
if(source.find(argv[1] + "/CMakeTmp") == source.npos)
{
mf->AddCMakeDependFile(source.c_str());
}
2002-09-12 19:08:35 +04:00
}
// else the srcdir bindir project target signature
else
2002-09-11 00:52:56 +04:00
{
2002-09-12 19:08:35 +04:00
projectName = argv[3].c_str();
if (argv.size() - extraArgs == 5)
2002-09-12 19:08:35 +04:00
{
targetName = argv[4].c_str();
}
2002-09-11 00:52:56 +04:00
}
bool erroroc = cmSystemTools::GetErrorOccuredFlag();
cmSystemTools::ResetErrorOccuredFlag();
std::string output;
2002-09-12 19:08:35 +04:00
// actually do the try compile now that everything is setup
2002-09-19 17:49:14 +04:00
int res = mf->TryCompile(sourceDirectory, binaryDirectory,
projectName, targetName, &cmakeFlags, &output);
2002-08-28 22:49:25 +04:00
if ( erroroc )
{
cmSystemTools::SetErrorOccured();
}
2002-09-11 00:52:56 +04:00
// set the result var to the return value to indicate success or failure
mf->AddCacheDefinition(argv[0].c_str(), (res == 0 ? "TRUE" : "FALSE"),
"Result of TRY_COMPILE",
cmCacheManager::INTERNAL);
if ( outputVariable.size() > 0 )
{
mf->AddDefinition(outputVariable.c_str(), output.c_str());
}
2002-09-19 17:49:14 +04:00
// if They specified clean then we clean up what we can
if (srcFileSignature && clean)
{
cmListFileCache::GetInstance()->FlushCache(outFileName.c_str());
2003-12-23 23:01:10 +03:00
if(!mf->GetCMakeInstance()->GetDebugTryCompile())
{
cmTryCompileCommand::CleanupFiles(binaryDirectory);
}
2002-09-13 18:42:50 +04:00
}
2002-09-19 17:49:14 +04:00
return res;
}
// cmExecutableCommand
bool cmTryCompileCommand::InitialPass(std::vector<std::string> const& argv)
{
if(argv.size() < 3)
{
return false;
}
if ( m_Makefile->GetLocal() )
{
return true;
}
2002-09-19 17:49:14 +04:00
cmTryCompileCommand::CoreTryCompileCode(m_Makefile,argv,true);
2002-08-28 22:49:25 +04:00
return true;
}
2002-09-23 21:32:14 +04:00
2002-11-21 22:59:41 +03:00
void cmTryCompileCommand::CleanupFiles(const char* binDir)
{
if ( !binDir )
{
return;
}
2003-12-23 23:01:10 +03:00
2002-11-21 22:59:41 +03:00
std::string bdir = binDir;
if(bdir.find("CMakeTmp") == std::string::npos)
{
2002-11-21 22:59:41 +03:00
cmSystemTools::Error("TRY_COMPILE attempt to remove -rf directory that does not contain CMakeTmp:", binDir);
return;
}
2002-11-21 22:59:41 +03:00
2003-06-23 16:58:58 +04:00
cmsys::Directory dir;
dir.Load(binDir);
size_t fileNum;
for (fileNum = 0; fileNum < dir.GetNumberOfFiles(); ++fileNum)
{
2003-06-27 16:46:00 +04:00
if (strcmp(dir.GetFile(static_cast<unsigned long>(fileNum)),".") &&
strcmp(dir.GetFile(static_cast<unsigned long>(fileNum)),".."))
{
std::string fullPath = binDir;
fullPath += "/";
2003-06-27 16:46:00 +04:00
fullPath += dir.GetFile(static_cast<unsigned long>(fileNum));
2002-11-21 22:59:41 +03:00
if(cmSystemTools::FileIsDirectory(fullPath.c_str()))
{
cmTryCompileCommand::CleanupFiles(fullPath.c_str());
}
else
{
2003-02-06 06:26:55 +03:00
if(!cmSystemTools::RemoveFile(fullPath.c_str()))
{
std::string m = "Remove failed on file: ";
m += fullPath;
cmSystemTools::ReportLastSystemError(m.c_str());
}
2002-11-21 22:59:41 +03:00
}
}
}
}