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ENH: remove the rule to run make depend from the top with each change in any cmakelist file. Instead, run make depend in the current directory if a source file changes, or if a .h file changes or is removed

This commit is contained in:
Bill Hoffman 2001-12-28 17:00:05 -05:00
parent a9cdcba660
commit e4843d83a4
3 changed files with 166 additions and 40 deletions
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9
Source/cmNMakeMakefileGenerator.cxx
View File

@ -260,7 +260,7 @@ void cmNMakeMakefileGenerator::BuildInSubDirectory(std::ostream& fout,
}
std::string currentDir = m_Makefile->GetCurrentOutputDirectory();
cmSystemTools::ConvertToWindowsSlashes(currentDir);
fout << "\tcd " << cmSystemTools::EscapeSpaces(currentDir.c_str()) << "\n";
fout << "\tcd " << cmSystemTools::EscapeSpaces(currentDir.c_str()) << "\n\n";
}
@ -720,8 +720,11 @@ void cmNMakeMakefileGenerator::OutputBuildLibraryInDir(std::ostream& fout,
std::string currentDir = m_Makefile->GetCurrentOutputDirectory();
cmSystemTools::ConvertToWindowsSlashes(currentDir);
fout << cmSystemTools::EscapeSpaces(fullpath)
<< ":\n\tcd " << cmSystemTools::EscapeSpaces(path)
<< "\n\t$(MAKE) $(MAKESILENT) " << cmSystemTools::EscapeSpaces(fullpath)
<< ":\n\tcd " << cmSystemTools::EscapeSpaces(path) << "\n"
<< "\t$(MAKE) -$(MAKEFLAGS) $(MAKESILENT) cmake.depends\n"
<< "\t$(MAKE) -$(MAKEFLAGS) $(MAKESILENT) cmake.check_depends\n"
<< "\t$(MAKE) -$(MAKEFLAGS) $(MAKESILENT) -f cmake.check_depends\n"
<< "\t$(MAKE) $(MAKESILENT) " << cmSystemTools::EscapeSpaces(fullpath)
<< "\n\tcd " <<
cmSystemTools::EscapeSpaces(currentDir.c_str()) << "\n";
}

174
Source/cmUnixMakefileGenerator.cxx
View File

@ -247,11 +247,14 @@ void cmUnixMakefileGenerator::OutputMakefile(const char* file)
fout << "\n\n\n";
this->OutputMakeVariables(fout);
// Set up the default target as the VERY first target, so that make with no arguments will run it
this->OutputMakeRule(fout,
"Default target executed when no arguments are given to make",
this->
OutputMakeRule(fout,
"Default target executed when no arguments are given to make, first make sure cmake.depends is up-to-date, then check the sources, then build the all target",
"default_target",
0,
"$(MAKE) -$(MAKEFLAGS) $(MAKESILENT) cmake.depends_mark",
"$(MAKE) -$(MAKEFLAGS) $(MAKESILENT) cmake.depends",
"$(MAKE) -$(MAKEFLAGS) $(MAKESILENT) cmake.check_depends",
"$(MAKE) -$(MAKEFLAGS) $(MAKESILENT) -f cmake.check_depends",
"$(MAKE) -$(MAKEFLAGS) $(MAKESILENT) all");
this->OutputTargetRules(fout);
@ -269,7 +272,26 @@ void cmUnixMakefileGenerator::OutputMakefile(const char* file)
return;
}
dependout << "# .o dependencies in this directory." << std::endl;
this->OutputObjectDepends(dependout);
std::string checkDepend = m_Makefile->GetStartOutputDirectory();
checkDepend += "/cmake.check_depends";
std::ofstream checkdependout(checkDepend.c_str());
if(!checkdependout)
{
cmSystemTools::Error("Error can not open for write: ", checkDepend.c_str());
return;
}
checkdependout << "# This file is used as a tag file, that all sources depend on. If a source changes, then the rule to rebuild this file will cause cmake.depends to be rebuilt." << std::endl;
// if there were any depends output, then output the check depends
// information inot checkdependout
if(this->OutputObjectDepends(dependout))
{
this->OutputCheckDepends(checkdependout);
}
else
{
checkdependout << "all:\n\tcd .\n";
}
}
this->OutputCustomRules(fout);
this->OutputMakeRules(fout);
@ -878,6 +900,9 @@ void cmUnixMakefileGenerator::OutputBuildLibraryInDir(std::ostream& fout,
}
fout << cmSystemTools::EscapeSpaces(fullpath)
<< ":\n\tcd " << cmSystemTools::EscapeSpaces(path)
<< "; $(MAKE) -$(MAKEFLAGS) $(MAKESILENT) cmake.depends"
<< "; $(MAKE) -$(MAKEFLAGS) $(MAKESILENT) cmake.check_depends"
<< "; $(MAKE) -$(MAKEFLAGS) $(MAKESILENT) -f cmake.check_depends"
<< "; $(MAKE) $(MAKESILENT) " << makeTarget << "\n\n";
}
@ -984,6 +1009,7 @@ void cmUnixMakefileGenerator::BuildInSubDirectory(std::ostream& fout,
fout << "\t@cd " << directory
<< "; $(MAKE) -$(MAKEFLAGS) " << target2 << "\n";
}
fout << "\n";
}
@ -1054,9 +1080,11 @@ void cmUnixMakefileGenerator::OutputSubDirectoryRules(std::ostream& fout)
{
return;
}
this->OutputSubDirectoryVars(fout, "SUBDIR_BUILD", "build",
"cmake.depends_mark",
"all",
this->OutputSubDirectoryVars(fout,
"SUBDIR_BUILD",
"default_target",
"default_target",
0,
SubDirectories);
this->OutputSubDirectoryVars(fout, "SUBDIR_CLEAN", "clean",
"clean",
@ -1078,8 +1106,9 @@ void cmUnixMakefileGenerator::OutputSubDirectoryRules(std::ostream& fout)
// Output the depend information for all the classes
// in the makefile. These would have been generated
// by the class cmMakeDepend GenerateMakefile
void cmUnixMakefileGenerator::OutputObjectDepends(std::ostream& fout)
bool cmUnixMakefileGenerator::OutputObjectDepends(std::ostream& fout)
{
bool ret = false;
// Iterate over every target.
std::map<cmStdString, cmTarget>& targets = m_Makefile->GetTargets();
for(std::map<cmStdString, cmTarget>::const_iterator target = targets.begin();
@ -1100,16 +1129,80 @@ void cmUnixMakefileGenerator::OutputObjectDepends(std::ostream& fout)
source->GetDepends().begin();
dep != source->GetDepends().end(); ++dep)
{
fout << " \\\n" << cmSystemTools::EscapeSpaces(dep->c_str());
fout << " \\\n"
<< this->ConvertToNativePath(cmSystemTools::EscapeSpaces(
dep->c_str()).c_str());
ret = true;
}
fout << "\n\n";
}
}
}
}
return ret;
}
// Output the depend information for all the classes
// in the makefile. These would have been generated
// by the class cmMakeDepend GenerateMakefile
void cmUnixMakefileGenerator::OutputCheckDepends(std::ostream& fout)
{
std::set<std::string> emitted;
// Iterate over every target.
std::map<cmStdString, cmTarget>& targets = m_Makefile->GetTargets();
this->OutputMakeVariables(fout);
fout << "default:\n";
fout << "\t$(MAKE) -$(MAKEFLAGS) $(MAKESILENT) -f cmake.check_depends all\n"
<< "\t$(MAKE) -$(MAKEFLAGS) $(MAKESILENT) -f cmake.check_depends cmake.depends\n\n";
fout << "all: ";
for(std::map<cmStdString, cmTarget>::const_iterator target = targets.begin();
target != targets.end(); ++target)
{
// Iterate over every source for this target.
const std::vector<cmSourceFile>& sources = target->second.GetSourceFiles();
for(std::vector<cmSourceFile>::const_iterator source = sources.begin();
source != sources.end(); ++source)
{
if(!source->IsAHeaderFileOnly())
{
if(!source->GetDepends().empty())
{
for(std::vector<std::string>::const_iterator dep =
source->GetDepends().begin();
dep != source->GetDepends().end(); ++dep)
{
std::string dependfile =
this->ConvertToNativePath(cmSystemTools::EscapeSpaces(
dep->c_str()).c_str());
if(emitted.insert(dependfile).second)
{
fout << " \\\n" << dependfile ;
}
}
}
}
}
}
fout << "\n\n# if any of these files changes run make dependlocal\n";
fout << "cmake.depends: ";
std::set<std::string>::iterator i;
for(i = emitted.begin(); i != emitted.end(); ++i)
{
fout << " \\\n" << *i;
}
fout << "\n\t$(MAKE) -$(MAKEFLAGS) $(MAKESILENT) dependlocal\n\n";
fout << "\n\n";
fout << "# if a .h file is removed then run make dependlocal\n\n";
for(std::set<std::string>::iterator i = emitted.begin();
i != emitted.end(); ++i)
{
fout << *i << ":\n"
<< "\t$(MAKE) -$(MAKEFLAGS) $(MAKESILENT) dependlocal\n\n";
}
}
// Output each custom rule in the following format:
// output: source depends...
// (tab) command...
@ -1482,7 +1575,7 @@ void cmUnixMakefileGenerator::OutputMakeRules(std::ostream& fout)
this->OutputMakeRule(fout,
"Default build rule",
"all",
"cmake.depends_mark $(TARGETS) $(SUBDIR_BUILD)",
"cmake.depends $(TARGETS) $(SUBDIR_BUILD)",
0);
if (m_Makefile->IsOn("QT_WRAP_CPP") ||
m_Makefile->IsOn("QT_WRAP_UI") ||
@ -1506,33 +1599,56 @@ void cmUnixMakefileGenerator::OutputMakeRules(std::ostream& fout)
"-@ $(RM) $(CLEAN_OBJECT_FILES) $(EXECUTABLES)"
" $(TARGETS)");
}
fout << "\n#Rule to build the cmake.depends and Makefile as side effect\n";
fout << "cmake.depends_mark: $(CMAKE_MAKEFILE_SOURCES)\n";
this->BuildInSubDirectory(fout,
m_Makefile->GetHomeOutputDirectory(),
"depend", 0);
const char* depend_subdirs = 0;
if(!m_Makefile->GetSubDirectories().empty())
{
this->OutputMakeRule(fout,
"Rule to force build of cmake.depend in subdirectories",
"depend_subdirs",
"$(SUBDIR_DEPEND)",
0
"Rule to build the cmake.depends and Makefile as side effect, if a source cmakelist file is out of date.",
"cmake.depends",
"$(CMAKE_MAKEFILE_SOURCES) ",
"$(CMAKE_COMMAND) "
"-S$(CMAKE_CURRENT_SOURCE) -O$(CMAKE_CURRENT_BINARY) "
"-H$(CMAKE_SOURCE_DIR) -B$(CMAKE_BINARY_DIR)"
);
depend_subdirs = "$(MAKE) -$(MAKEFLAGS) $(MAKESILENT) depend_subdirs";
}
this->OutputMakeRule(fout,
"Rule to force the build of cmake.depends",
"depend",
"$(SUBDIR_DEPEND)",
"$(CMAKE_COMMAND) "
"-S$(CMAKE_CURRENT_SOURCE) -O$(CMAKE_CURRENT_BINARY) "
"-H$(CMAKE_SOURCE_DIR) -B$(CMAKE_BINARY_DIR)");
this->OutputMakeRule(fout,
"Rule to force the build of cmake.depends "
"in the current directory only.",
"dependlocal",
0,
"$(CMAKE_COMMAND) "
"-S$(CMAKE_CURRENT_SOURCE) -O$(CMAKE_CURRENT_BINARY) "
"-H$(CMAKE_SOURCE_DIR) -B$(CMAKE_BINARY_DIR)",
"-$(RM) cmake.depends_mark",
"echo mark > cmake.depends_mark",
depend_subdirs
);
"-H$(CMAKE_SOURCE_DIR) -B$(CMAKE_BINARY_DIR)");
// collect up all the sources
std::string allsources;
std::map<cmStdString, cmTarget>& targets = m_Makefile->GetTargets();
for(std::map<cmStdString, cmTarget>::const_iterator target = targets.begin();
target != targets.end(); ++target)
{
// Iterate over every source for this target.
const std::vector<cmSourceFile>& sources = target->second.GetSourceFiles();
for(std::vector<cmSourceFile>::const_iterator source = sources.begin();
source != sources.end(); ++source)
{
if(!source->IsAHeaderFileOnly())
{
allsources += source->GetFullPath();
allsources += " ";
}
}
}
this->OutputMakeRule(fout,
"rule to rebuild cmake.depends if a source file is changed.",
"cmake.check_depends",
allsources.c_str(),
"$(CMAKE_COMMAND) "
"-S$(CMAKE_CURRENT_SOURCE) -O$(CMAKE_CURRENT_BINARY) "
"-H$(CMAKE_SOURCE_DIR) -B$(CMAKE_BINARY_DIR)");
this->OutputMakeRule(fout,
"Rebuild CMakeCache.txt file",
"rebuild_cache",

9
Source/cmUnixMakefileGenerator.h
View File

@ -91,7 +91,14 @@ public:
* in the makefile. These would have been generated
* by the class cmMakeDepend.
*/
virtual void OutputObjectDepends(std::ostream&);
virtual bool OutputObjectDepends(std::ostream&);
/**
* Output the check depend information for all the classes
* in the makefile. These would have been generated
* by the class cmMakeDepend.
*/
virtual void OutputCheckDepends(std::ostream&);
/**
* Try to determine system infomation such as shared library