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ENH: Makefile performance improvements

This commit is contained in:
Ken Martin 2006-05-02 09:56:42 -04:00
parent 2324e7ec5d
commit 3023eb7ccb
6 changed files with 206 additions and 123 deletions
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2
Modules/CMakeDetermineCCompiler.cmake
View File

@ -91,7 +91,7 @@ ENDIF(NOT CMAKE_COMPILER_IS_GNUCC_RUN)
# configure variables set in this file for fast reload later on
CONFIGURE_FILE(${CMAKE_ROOT}/Modules/CMakeCCompiler.cmake.in
${CMAKE_BINARY_DIR}/CMakeFiles/CMakeCCompiler.cmake IMMEDIATE)
"${CMAKE_PLATFORM_ROOT_BIN}/CMakeCCompiler.cmake" IMMEDIATE)
MARK_AS_ADVANCED(CMAKE_AR)
SET(CMAKE_C_COMPILER_ENV_VAR "CC")

12
Modules/Platform/Windows-cl.cmake
View File

@ -1,7 +1,7 @@
# try to load any previously computed information for C on this platform
INCLUDE( ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeCPlatform.cmake OPTIONAL)
INCLUDE( ${CMAKE_PLATFORM_ROOT_BIN}/CMakeCPlatform.cmake OPTIONAL)
# try to load any previously computed information for CXX on this platform
INCLUDE( ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeCXXPlatform.cmake OPTIONAL)
INCLUDE( ${CMAKE_PLATFORM_ROOT_BIN}/CMakeCXXPlatform.cmake OPTIONAL)
SET(CMAKE_LIBRARY_PATH_FLAG "-LIBPATH:")
SET(CMAKE_LINK_LIBRARY_FLAG "")
@ -273,14 +273,14 @@ SET (CMAKE_MODULE_LINKER_FLAGS_RELWITHDEBINFO_INIT ${CMAKE_EXE_LINKER_FLAGS_RELW
# save computed information for this platform
IF(NOT EXISTS "${CMAKE_BINARY_DIR}/CMakeFiles/CMakeCPlatform.cmake")
IF(NOT EXISTS "${CMAKE_PLATFORM_ROOT_BIN}/CMakeCPlatform.cmake")
CONFIGURE_FILE(${CMAKE_ROOT}/Modules/Platform/Windows-cl.cmake.in
${CMAKE_BINARY_DIR}/CMakeFiles/CMakeCPlatform.cmake IMMEDIATE)
ENDIF(NOT EXISTS "${CMAKE_BINARY_DIR}/CMakeFiles/CMakeCPlatform.cmake")
ENDIF(NOT EXISTS "${CMAKE_PLATFORM_ROOT_BIN}/CMakeCPlatform.cmake")
IF(NOT EXISTS "${CMAKE_BINARY_DIR}/CMakeFiles/CMakeCXXPlatform.cmake")
IF(NOT EXISTS "${CMAKE_PLATFORM_ROOT_BIN}/CMakeCXXPlatform.cmake")
CONFIGURE_FILE(${CMAKE_ROOT}/Modules/Platform/Windows-cl.cmake.in
${CMAKE_BINARY_DIR}/CMakeFiles/CMakeCXXPlatform.cmake IMMEDIATE)
ENDIF(NOT EXISTS "${CMAKE_BINARY_DIR}/CMakeFiles/CMakeCXXPlatform.cmake")
ENDIF(NOT EXISTS "${CMAKE_PLATFORM_ROOT_BIN}/CMakeCXXPlatform.cmake")
INCLUDE(Platform/WindowsPaths)

29
Source/cmGlobalGenerator.cxx
View File

@ -169,42 +169,21 @@ cmGlobalGenerator::EnableLanguage(std::vector<std::string>const& languages,
// files from the parent cmake bin dir, into the try compile bin dir
if(this->ConfiguredFilesPath.size())
{
std::string src = this->ConfiguredFilesPath;
src += "/CMakeSystem.cmake";
std::string dst = rootBin;
dst += "/CMakeSystem.cmake";
cmSystemTools::CopyFileIfDifferent(src.c_str(), dst.c_str());
for(std::vector<std::string>::const_iterator l = languages.begin();
l != languages.end(); ++l)
{
if(*l == "NONE")
{
this->SetLanguageEnabled("NONE", mf);
continue;
break;
}
const char* lang = l->c_str();
std::string src2 = this->ConfiguredFilesPath;
src2 += "/CMake";
src2 += lang;
src2 += "Compiler.cmake";
std::string dst2 = rootBin;
dst2 += "/CMake";
dst2 += lang;
dst2 += "Compiler.cmake";
cmSystemTools::CopyFileIfDifferent(src2.c_str(), dst2.c_str());
src2 = this->ConfiguredFilesPath;
src2 += "/CMake";
src2 += lang;
src2 += "Platform.cmake";
dst2 = rootBin;
dst2 += "/CMake";
dst2 += lang;
dst2 += "Platform.cmake";
cmSystemTools::CopyFileIfDifferent(src2.c_str(), dst2.c_str());
}
rootBin = this->ConfiguredFilesPath;
}
// set the dir for parent files so they can be used by modules
mf->AddDefinition("CMAKE_PLATFORM_ROOT_BIN",rootBin.c_str());
// find and make sure CMAKE_MAKE_PROGRAM is defined
this->FindMakeProgram(mf);

104
Source/cmGlobalUnixMakefileGenerator3.cxx
View File

@ -501,6 +501,66 @@ cmGlobalUnixMakefileGenerator3
this->WriteDirectoryRule2(ruleFileStream, lg, "preinstall", false, true);
}
std::string cmGlobalUnixMakefileGenerator3::GenerateBuildCommand(const char* makeProgram,
const char *projectName, const char* additionalOptions, const char *targetName,
const char* config, bool ignoreErrors)
{
// Project name and config are not used yet.
(void)projectName;
(void)config;
std::string makeCommand = cmSystemTools::ConvertToUnixOutputPath(makeProgram);
// Since we have full control over the invocation of nmake, let us
// make it quiet.
if ( strcmp(this->GetName(), "NMake Makefiles") == 0 )
{
makeCommand += " /NOLOGO ";
}
if ( ignoreErrors )
{
makeCommand += " -i";
}
if ( additionalOptions )
{
makeCommand += " ";
makeCommand += additionalOptions;
}
if ( targetName && strlen(targetName))
{
cmLocalUnixMakefileGenerator3 *lg;
if (this->LocalGenerators.size())
{
lg = static_cast<cmLocalUnixMakefileGenerator3 *>(this->LocalGenerators[0]);
}
else
{
lg = static_cast<cmLocalUnixMakefileGenerator3 *>(this->CreateLocalGenerator());
// set the Start directories
lg->GetMakefile()->SetStartDirectory
(this->CMakeInstance->GetStartDirectory());
lg->GetMakefile()->SetStartOutputDirectory
(this->CMakeInstance->GetStartOutputDirectory());
lg->GetMakefile()->MakeStartDirectoriesCurrent();
}
makeCommand += "\"";
std::string tname = targetName;
tname += "/fast";
tname = lg->Convert(tname.c_str(),cmLocalGenerator::HOME_OUTPUT,
cmLocalGenerator::SHELL);
tname = lg->ConvertToMakeTarget(tname.c_str());
makeCommand += tname.c_str();
makeCommand += "\"";
if (!this->LocalGenerators.size())
{
delete lg;
}
}
return makeCommand;
}
//----------------------------------------------------------------------------
void
cmGlobalUnixMakefileGenerator3
@ -550,8 +610,35 @@ cmGlobalUnixMakefileGenerator3
"Build rule for target.",
t->second.GetName(), depends, commands,
true);
// Add a fast rule to build the target
std::string localName = lg->GetRelativeTargetDirectory(t->second);
std::string makefileName;
makefileName = localName;
makefileName += "/build.make";
depends.clear();
commands.clear();
std::string makeTargetName = localName;
makeTargetName += "/build";
localName = t->second.GetName();
localName += "/fast";
commands.push_back(lg->GetRecursiveMakeCall
(makefileName.c_str(), makeTargetName.c_str()));
lg->WriteMakeRule(ruleFileStream, "fast build rule for target.",
localName.c_str(), depends, commands, true);
}
}
else
{
// Add a fast rule to build the target
depends.clear();
commands.clear();
std::string localName = t->second.GetName();
depends.push_back(localName);
localName += "/fast";
lg->WriteMakeRule(ruleFileStream, "fast build rule for target.",
localName.c_str(), depends, commands, true);
}
}
}
}
@ -578,20 +665,22 @@ cmGlobalUnixMakefileGenerator3
cmTargets& targets = lg->GetMakefile()->GetTargets();
for(cmTargets::iterator t = targets.begin(); t != targets.end(); ++t)
{
if (t->second.GetName() && strlen(t->second.GetName()))
{
std::string makefileName;
// Add a rule to build the target by name.
localName = lg->GetRelativeTargetDirectory(t->second);
makefileName = localName;
makefileName += "/build.make";
if (((t->second.GetType() == cmTarget::EXECUTABLE) ||
(t->second.GetType() == cmTarget::STATIC_LIBRARY) ||
(t->second.GetType() == cmTarget::SHARED_LIBRARY) ||
(t->second.GetType() == cmTarget::MODULE_LIBRARY) ||
(t->second.GetType() == cmTarget::UTILITY)) &&
t->second.GetName() &&
strlen(t->second.GetName()))
(t->second.GetType() == cmTarget::UTILITY)))
{
bool needRequiresStep =
this->NeedRequiresStep(lg,t->second.GetName());
// Add a rule to build the target by name.
localName = lg->GetRelativeTargetDirectory(t->second);
std::string makefileName = localName;
makefileName += "/build.make";
lg->WriteDivider(ruleFileStream);
ruleFileStream
@ -692,6 +781,7 @@ cmGlobalUnixMakefileGenerator3
}
}
}
}
//----------------------------------------------------------------------------

9
Source/cmGlobalUnixMakefileGenerator3.h
View File

@ -113,6 +113,15 @@ public:
/** Get the command to use for a non-symbolic target file that has
no rule. This is used for multiple output dependencies. */
std::string GetEmptyCommandHack() { return this->EmptyCommandsHack; }
// change the build command for speed
virtual std::string GenerateBuildCommand
(const char* makeProgram,
const char *projectName, const char* additionalOptions,
const char *targetName,
const char* config, bool ignoreErrors);
protected:
void WriteMainMakefile2();
void WriteMainCMakefile();

5
Source/cmLocalUnixMakefileGenerator3.cxx
View File

@ -1418,6 +1418,11 @@ void cmLocalUnixMakefileGenerator3
this->Makefile->GetStartOutputDirectory());
this->WriteMakeRule(ruleFileStream, "The main clean target", "clean",
depends, commands, true);
commands.clear();
depends.clear();
depends.push_back("clean");
this->WriteMakeRule(ruleFileStream, "The main clean target", "clean/fast",
depends, commands, true);
// Write the preinstall rule.
dir = this->Makefile->GetStartOutputDirectory();