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Optionally pass include directories with response files 

Create platform option CMAKE_<lang>_USE_RESPONSE_FILE_FOR_INCLUDES to
enable use of response files for passing the list of include directories
to compiler command lines.
This commit is contained in:
Brad King 2011-03-15 14:07:36 -04:00
parent 6e8a67f99a
commit 9a0b9bc8b7
7 changed files with 79 additions and 11 deletions
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2
Source/cmDocumentVariables.cxx
View File

@ -1451,6 +1451,8 @@ void cmDocumentVariables::DefineVariables(cmake* cm)
cmProperty::VARIABLE,0,0);
cm->DefineProperty("CMAKE_<LANG>_STANDARD_LIBRARIES_INIT",
cmProperty::VARIABLE,0,0);
cm->DefineProperty("CMAKE_<LANG>_USE_RESPONSE_FILE_FOR_INCLUDES",
cmProperty::VARIABLE,0,0);
cm->DefineProperty("CMAKE_<LANG>_USE_RESPONSE_FILE_FOR_OBJECTS",
cmProperty::VARIABLE,0,0);
cm->DefineProperty("CMAKE_EXECUTABLE_SUFFIX_<LANG>",

28
Source/cmLocalGenerator.cxx
View File

@ -1185,15 +1185,18 @@ cmLocalGenerator::ConvertToOutputForExisting(RelativeRoot remote,
}
//----------------------------------------------------------------------------
const char* cmLocalGenerator::GetIncludeFlags(const char* lang)
const char* cmLocalGenerator::GetIncludeFlags(const char* lang,
bool forResponseFile)
{
if(!lang)
{
return "";
}
if(this->LanguageToIncludeFlags.count(lang))
std::string key = lang;
key += forResponseFile? "@" : "";
if(this->LanguageToIncludeFlags.count(key))
{
return this->LanguageToIncludeFlags[lang].c_str();
return this->LanguageToIncludeFlags[key].c_str();
}
cmOStringStream includeFlags;
@ -1251,10 +1254,10 @@ const char* cmLocalGenerator::GetIncludeFlags(const char* lang)
frameworkDir = cmSystemTools::CollapseFullPath(frameworkDir.c_str());
if(emitted.insert(frameworkDir).second)
{
OutputFormat format = forResponseFile? RESPONSE : SHELL;
includeFlags
<< "-F" << this->Convert(frameworkDir.c_str(),
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::SHELL, true)
START_OUTPUT, format, true)
<< " ";
}
continue;
@ -1274,7 +1277,16 @@ const char* cmLocalGenerator::GetIncludeFlags(const char* lang)
}
flagUsed = true;
}
std::string includePath = this->ConvertToOutputForExisting(i->c_str());
std::string includePath;
if(forResponseFile)
{
includePath = this->Convert(i->c_str(), START_OUTPUT,
RESPONSE, true);
}
else
{
includePath = this->ConvertToOutputForExisting(i->c_str());
}
if(quotePaths && includePath.size() && includePath[0] != '\"')
{
includeFlags << "\"";
@ -1292,11 +1304,11 @@ const char* cmLocalGenerator::GetIncludeFlags(const char* lang)
{
flags[flags.size()-1] = ' ';
}
this->LanguageToIncludeFlags[lang] = flags;
this->LanguageToIncludeFlags[key] = flags;
// Use this temorary variable for the return value to work-around a
// bogus GCC 2.95 warning.
const char* ret = this->LanguageToIncludeFlags[lang].c_str();
const char* ret = this->LanguageToIncludeFlags[key].c_str();
return ret;
}

3
Source/cmLocalGenerator.h
View File

@ -143,7 +143,8 @@ public:
const char* config);
virtual void AppendFlags(std::string& flags, const char* newFlags);
///! Get the include flags for the current makefile and language
const char* GetIncludeFlags(const char* lang);
const char* GetIncludeFlags(const char* lang,
bool forResponseFile = false);
/**
* Encode a list of preprocessor definitions for the compiler

14
Source/cmLocalUnixMakefileGenerator3.cxx
View File

@ -880,6 +880,20 @@ cmLocalUnixMakefileGenerator3
}
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator3
::AppendRuleDepends(std::vector<std::string>& depends,
std::vector<std::string> const& ruleFiles)
{
// Add a dependency on the rule file itself unless an option to skip
// it is specifically enabled by the user or project.
if(!this->Makefile->IsOn("CMAKE_SKIP_RULE_DEPENDENCY"))
{
depends.insert(depends.end(), ruleFiles.begin(), ruleFiles.end());
}
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator3

2
Source/cmLocalUnixMakefileGenerator3.h
View File

@ -320,6 +320,8 @@ protected:
void AppendRuleDepend(std::vector<std::string>& depends,
const char* ruleFileName);
void AppendRuleDepends(std::vector<std::string>& depends,
std::vector<std::string> const& ruleFiles);
void AppendCustomDepends(std::vector<std::string>& depends,
const std::vector<cmCustomCommand>& ccs);
void AppendCustomDepend(std::vector<std::string>& depends,

37
Source/cmMakefileTargetGenerator.cxx
View File

@ -310,8 +310,7 @@ void cmMakefileTargetGenerator::WriteTargetLanguageFlags()
this->LocalGenerator->AddSharedFlags(flags, lang, shared);
// Add include directory flags.
this->LocalGenerator->
AppendFlags(flags, this->LocalGenerator->GetIncludeFlags(lang));
this->AddIncludeFlags(flags, lang);
// Append old-style preprocessor definition flags.
this->LocalGenerator->
@ -487,6 +486,8 @@ cmMakefileTargetGenerator
{
this->LocalGenerator->AppendRuleDepend(depends,
this->FlagFileNameFull.c_str());
this->LocalGenerator->AppendRuleDepends(depends,
this->FlagFileDepends[lang]);
// generate the depend scanning rule
this->WriteObjectDependRules(source, depends);
@ -1724,6 +1725,38 @@ cmMakefileTargetGenerator
}
}
//----------------------------------------------------------------------------
void cmMakefileTargetGenerator::AddIncludeFlags(std::string& flags,
const char* lang)
{
std::string responseVar = "CMAKE_";
responseVar += lang;
responseVar += "_USE_RESPONSE_FILE_FOR_INCLUDES";
bool useResponseFile = this->Makefile->IsOn(responseVar.c_str());
std::string includeFlags =
this->LocalGenerator->GetIncludeFlags(lang, useResponseFile);
if(includeFlags.empty())
{
return;
}
if(useResponseFile)
{
std::string name = "includes_";
name += lang;
name += ".rsp";
std::string arg = "@" +
this->CreateResponseFile(name.c_str(), includeFlags,
this->FlagFileDepends[lang]);
this->LocalGenerator->AppendFlags(flags, arg.c_str());
}
else
{
this->LocalGenerator->AppendFlags(flags, includeFlags.c_str());
}
}
//----------------------------------------------------------------------------
const char* cmMakefileTargetGenerator::GetFortranModuleDirectory()
{

4
Source/cmMakefileTargetGenerator.h
View File

@ -146,6 +146,8 @@ protected:
bool useResponseFile, std::string& buildObjs,
std::vector<std::string>& makefile_depends);
void AddIncludeFlags(std::string& flags, const char* lang);
virtual void CloseFileStreams();
void RemoveForbiddenFlags(const char* flagVar, const char* linkLang,
std::string& linkFlags);
@ -177,6 +179,8 @@ protected:
// the stream for the flag file
std::string FlagFileNameFull;
cmGeneratedFileStream *FlagFileStream;
class StringList: public std::vector<std::string> {};
std::map<cmStdString, StringList> FlagFileDepends;
// the stream for the info file
std::string InfoFileNameFull;