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ENH: optimization to not use requires step unless a language requires it

This commit is contained in:
Ken Martin 2005-05-24 11:17:30 -04:00
parent 7157fa163c
commit ef6c5ae23e
3 changed files with 33 additions and 18 deletions
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35
Source/cmGlobalUnixMakefileGenerator3.cxx
View File

@ -532,6 +532,7 @@ cmGlobalUnixMakefileGenerator3
// for each target Generate the rule files for each target.
const cmTargets& targets = lg->GetMakefile()->GetTargets();
bool needRequiresStep = this->NeedRequiresStep(lg);
for(cmTargets::const_iterator t = targets.begin(); t != targets.end(); ++t)
{
if((t->second.GetType() == cmTarget::EXECUTABLE) ||
@ -552,10 +553,15 @@ cmGlobalUnixMakefileGenerator3
makeTargetName += "/depend";
commands.push_back(lg->GetRecursiveMakeCall(makefileName.c_str(),
makeTargetName.c_str()));
makeTargetName = localName;
makeTargetName += "/requires";
commands.push_back(lg->GetRecursiveMakeCall(makefileName.c_str(),
makeTargetName.c_str()));
// add requires if we need it for this generator
if (needRequiresStep)
{
makeTargetName = localName;
makeTargetName += "/requires";
commands.push_back(lg->GetRecursiveMakeCall(makefileName.c_str(),
makeTargetName.c_str()));
}
}
makeTargetName = localName;
makeTargetName += "/build";
@ -717,3 +723,24 @@ cmGlobalUnixMakefileGenerator3::WriteHelpRule(std::ostream& ruleFileStream)
ruleFileStream << "\n\n";
}
bool cmGlobalUnixMakefileGenerator3
::NeedRequiresStep(cmLocalUnixMakefileGenerator3 *lg)
{
std::map<cmStdString,cmLocalUnixMakefileGenerator3::IntegrityCheckSet>&
checkSet = lg->GetIntegrityCheckSet();
for(std::map<cmStdString,
cmLocalUnixMakefileGenerator3::IntegrityCheckSet>::const_iterator
l = checkSet.begin(); l != checkSet.end(); ++l)
{
std::string name = "CMAKE_NEEDS_REQUIRES_STEP_";
name += l->first;
name += "_FLAG";
if(lg->GetMakefile()->GetDefinition(name.c_str()))
{
return true;
}
}
return false;
}

2
Source/cmGlobalUnixMakefileGenerator3.h
View File

@ -75,6 +75,8 @@ protected:
const cmTarget& target);
void AppendAnyGlobalDepend(std::vector<std::string>& depends, const char* name);
// does this generator need a requires step for any of its targets
bool NeedRequiresStep(cmLocalUnixMakefileGenerator3 *lg);
};

14
Source/cmLocalUnixMakefileGenerator3.cxx
View File

@ -1082,20 +1082,6 @@ void cmLocalUnixMakefileGenerator3::WriteMainTargetIncludes(std::ostream& makefi
std::vector<std::string> depends;
std::vector<std::string> no_commands;
// if this is the build rules also include the custom commands if there
// were any
if (!strcmp(rule,"build") && m_CustomRuleFiles.size())
{
// do the include
std::string dir = m_Makefile->GetStartOutputDirectory();
dir += "/CMakeCustomRules.dir/build.make";
dir = this->Convert(dir.c_str(),HOME_OUTPUT,MAKEFILE);
makefileStream
<< m_IncludeDirective << " "
<< this->ConvertToOutputForExisting(dir.c_str()).c_str()
<< "\n";
}
// if this is the clean rules also include the custom commands if there
// were any
const char* clean_no_custom = m_Makefile->GetProperty("CLEAN_NO_CUSTOM");