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CodeBlocks: generate parallel project files (make -j) 

This is done the same way as for Eclipse: cmake tries to determine
the number of CPUs, and then adds the respective -jN to the make
invocations in the project file.

Alex
This commit is contained in:
Alex Neundorf 2016-02-23 22:37:44 +01:00
parent 7a45d91dc4
commit 84ccd4f746
3 changed files with 44 additions and 13 deletions
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15
Modules/CMakeFindCodeBlocks.cmake
View File

@ -23,3 +23,18 @@ endif()
# Determine builtin macros and include dirs:
include(${CMAKE_CURRENT_LIST_DIR}/CMakeExtraGeneratorDetermineCompilerMacrosAndIncludeDirs.cmake)
# Try to find out how many CPUs we have and set the -j argument for make accordingly
set(_CMAKE_CODEBLOCKS_INITIAL_MAKE_ARGS "")
include(ProcessorCount)
processorcount(_CMAKE_CODEBLOCKS_PROCESSOR_COUNT)
# Only set -j if we are under UNIX and if the make-tool used actually has "make" in the name
# (we may also get here in the future e.g. for ninja)
if("${_CMAKE_CODEBLOCKS_PROCESSOR_COUNT}" GREATER 1 AND CMAKE_HOST_UNIX AND "${CMAKE_MAKE_PROGRAM}" MATCHES make)
set(_CMAKE_CODEBLOCKS_INITIAL_MAKE_ARGS "-j${_CMAKE_CODEBLOCKS_PROCESSOR_COUNT}")
endif()
# This variable is used by the CodeBlocks generator and appended to the make invocation commands.
set(CMAKE_CODEBLOCKS_MAKE_ARGUMENTS "${_CMAKE_CODEBLOCKS_INITIAL_MAKE_ARGS}" CACHE STRING "Additional command line arguments when CodeBlocks invokes make. Enter e.g. -j<some_number> to get parallel builds")

35
Source/cmExtraCodeBlocksGenerator.cxx
View File

@ -300,6 +300,8 @@ void cmExtraCodeBlocksGenerator
// figure out the compiler
std::string compiler = this->GetCBCompilerId(mf);
std::string make = mf->GetRequiredDefinition("CMAKE_MAKE_PROGRAM");
const std::string makeArgs = mf->GetSafeDefinition(
"CMAKE_CODEBLOCKS_MAKE_ARGUMENTS");
fout<<"<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\" ?>\n"
"<CodeBlocks_project_file>\n"
@ -311,7 +313,8 @@ void cmExtraCodeBlocksGenerator
" "<<virtualFolders<<"\n"
" <Build>\n";
this->AppendTarget(fout, "all", 0, make.c_str(), lgs[0], compiler.c_str());
this->AppendTarget(fout, "all", 0, make.c_str(), lgs[0], compiler.c_str(),
makeArgs);
// add all executable and library targets and some of the GLOBAL
// and UTILITY targets
@ -333,7 +336,8 @@ void cmExtraCodeBlocksGenerator
(*lg)->GetBinaryDirectory())==0)
{
this->AppendTarget(fout, targetName, 0,
make.c_str(), *lg, compiler.c_str());
make.c_str(), *lg, compiler.c_str(),
makeArgs);
}
}
break;
@ -350,7 +354,7 @@ void cmExtraCodeBlocksGenerator
}
this->AppendTarget(fout, targetName, 0,
make.c_str(), *lg, compiler.c_str());
make.c_str(), *lg, compiler.c_str(),makeArgs);
break;
case cmState::EXECUTABLE:
case cmState::STATIC_LIBRARY:
@ -360,11 +364,11 @@ void cmExtraCodeBlocksGenerator
{
cmGeneratorTarget* gt = *ti;
this->AppendTarget(fout, targetName, gt,
make.c_str(), *lg, compiler.c_str());
make.c_str(), *lg, compiler.c_str(), makeArgs);
std::string fastTarget = targetName;
fastTarget += "/fast";
this->AppendTarget(fout, fastTarget, gt,
make.c_str(), *lg, compiler.c_str());
make.c_str(), *lg, compiler.c_str(), makeArgs);
}
break;
default:
@ -555,7 +559,8 @@ void cmExtraCodeBlocksGenerator::AppendTarget(cmGeneratedFileStream& fout,
cmGeneratorTarget* target,
const char* make,
const cmLocalGenerator* lg,
const char* compiler)
const char* compiler,
const std::string& makeFlags)
{
cmMakefile const* makefile = lg->GetMakefile();
std::string makefileName = lg->GetCurrentBinaryDirectory();
@ -663,16 +668,18 @@ void cmExtraCodeBlocksGenerator::AppendTarget(cmGeneratedFileStream& fout,
fout<<" <MakeCommands>\n"
" <Build command=\""
<< this->BuildMakeCommand(make, makefileName.c_str(), targetName)
<< this->BuildMakeCommand(make, makefileName.c_str(), targetName,
makeFlags)
<< "\" />\n"
" <CompileFile command=\""
<< this->BuildMakeCommand(make, makefileName.c_str(),"&quot;$file&quot;")
<< this->BuildMakeCommand(make, makefileName.c_str(),"&quot;$file&quot;",
makeFlags)
<< "\" />\n"
" <Clean command=\""
<< this->BuildMakeCommand(make, makefileName.c_str(), "clean")
<< this->BuildMakeCommand(make, makefileName.c_str(), "clean", makeFlags)
<< "\" />\n"
" <DistClean command=\""
<< this->BuildMakeCommand(make, makefileName.c_str(), "clean")
<< this->BuildMakeCommand(make, makefileName.c_str(), "clean", makeFlags)
<< "\" />\n"
" </MakeCommands>\n"
" </Target>\n";
@ -753,9 +760,15 @@ int cmExtraCodeBlocksGenerator::GetCBTargetType(cmGeneratorTarget* target)
// make
std::string cmExtraCodeBlocksGenerator::BuildMakeCommand(
const std::string& make, const char* makefile,
const std::string& target)
const std::string& target, const std::string& makeFlags)
{
std::string command = make;
if (makeFlags.size() > 0)
{
command += " ";
command += makeFlags;
}
std::string generator = this->GlobalGenerator->GetName();
if (generator == "NMake Makefiles")
{

7
Source/cmExtraCodeBlocksGenerator.h
View File

@ -54,13 +54,16 @@ private:
std::string GetCBCompilerId(const cmMakefile* mf);
int GetCBTargetType(cmGeneratorTarget* target);
std::string BuildMakeCommand(const std::string& make, const char* makefile,
const std::string& target);
const std::string& target,
const std::string& makeFlags);
void AppendTarget(cmGeneratedFileStream& fout,
const std::string& targetName,
cmGeneratorTarget* target,
const char* make,
const cmLocalGenerator* lg,
const char* compiler);
const char* compiler,
const std::string& makeFlags
);
};