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ENH: Added individual library linkage output so that shared libraries will not try to link against themselves.

This commit is contained in:
Brad King 2001-04-12 09:55:08 -04:00
parent e784f153cf
commit fb6c4b8710
2 changed files with 27 additions and 15 deletions
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38
Source/cmUnixMakefileGenerator.cxx
View File

@ -56,7 +56,7 @@ void cmUnixMakefileGenerator::OutputMakefile(const char* file)
this->OutputMakeFlags(fout);
this->OutputVerbatim(fout);
this->OutputTargetRules(fout);
this->OutputLinkLibs(fout);
this->OutputDependencies(fout);
this->OutputTargets(fout);
this->OutputSubDirectoryRules(fout);
this->OutputObjectDepends(fout);
@ -102,8 +102,14 @@ void cmUnixMakefileGenerator::OutputTargetRules(std::ostream& fout)
}
}
// Output the rules for any targets
void cmUnixMakefileGenerator::OutputLinkLibs(std::ostream& fout)
/**
* Output the linking rules on a command line. For executables,
* targetLibrary should be a NULL pointer. For libraries, it should point
* to the name of the library. This will not link a library against itself.
*/
void cmUnixMakefileGenerator::OutputLinkLibraries(std::ostream& fout,
const char* targetLibrary)
{
// collect all the flags needed for linking libraries
std::string linkLibs;
@ -124,6 +130,8 @@ void cmUnixMakefileGenerator::OutputLinkLibs(std::ostream& fout)
std::vector<std::string>& libs = m_Makefile->GetLinkLibraries();
for(j = libs.begin(); j != libs.end(); ++j)
{
// Don't link the library against itself!
if(targetLibrary && (*j == targetLibrary)) continue;
std::string::size_type pos = (*j).find("-l");
if((pos == std::string::npos || pos > 0)
&& (*j).find("${") == std::string::npos)
@ -133,9 +141,13 @@ void cmUnixMakefileGenerator::OutputLinkLibs(std::ostream& fout)
librariesLinked += *j;
librariesLinked += " ";
}
// Add these in twice so order does not matter
linkLibs += librariesLinked;
if(!targetLibrary)
{
// For executables, add these a second time so order does not matter
linkLibs += librariesLinked;
}
std::vector<std::string>& libsUnix = m_Makefile->GetLinkLibrariesUnix();
for(j = libsUnix.begin(); j != libsUnix.end(); ++j)
@ -144,14 +156,10 @@ void cmUnixMakefileGenerator::OutputLinkLibs(std::ostream& fout)
linkLibs += " ";
}
linkLibs += " ${LOCAL_LINK_FLAGS} ";
fout << "CMAKE_LINK_LIBS = " << linkLibs << "\n\n";
// create and output a varible in the makefile that
// each executable will depend on. This will have all the
// libraries that the executable uses
fout << "CMAKE_DEPEND_LIBS = ";
this->OutputDependencies(fout);
fout << linkLibs;
}
void cmUnixMakefileGenerator::OutputTargets(std::ostream& fout)
{
// for each target
@ -177,15 +185,18 @@ void cmUnixMakefileGenerator::OutputTargets(std::ostream& fout)
fout << "\t$(CXX) ${CXX_FLAGS} ${CMAKE_SHLIB_BUILD_FLAGS} -o \\\n";
fout << "\t lib" << l->first << "$(SHLIB_SUFFIX) \\\n";
fout << "\t ${KIT_OBJ} ${" << l->first <<
"_SRC_OBJS} ${CMAKE_LINK_LIBS}\n\n";
"_SRC_OBJS} ";
this->OutputLinkLibraries(fout, l->first.c_str());
fout << "\n\n";
}
else
{
fout << l->first << ": ${" <<
l->first << "_SRC_OBJS} ${CMAKE_DEPEND_LIBS}\n";
fout << "\t${CXX} ${CXX_FLAGS} ${" <<
l->first << "_SRC_OBJS} ${CMAKE_LINK_LIBS} -o "
<< l->first << "\n\n";
l->first << "_SRC_OBJS} ";
this->OutputLinkLibraries(fout, NULL);
fout << " -o " << l->first << "\n\n";
}
}
}
@ -195,6 +206,7 @@ void cmUnixMakefileGenerator::OutputTargets(std::ostream& fout)
// in this makefile will depend on.
void cmUnixMakefileGenerator::OutputDependencies(std::ostream& fout)
{
fout << "CMAKE_DEPEND_LIBS = ";
std::vector<std::string>& libs = m_Makefile->GetLinkLibraries();
std::vector<std::string>& libdirs = m_Makefile->GetLinkDirectories();
std::vector<std::string>::iterator dir, lib;

2
Source/cmUnixMakefileGenerator.h
View File

@ -45,7 +45,7 @@ protected:
void OutputMakeFlags(std::ostream&);
void OutputVerbatim(std::ostream&);
void OutputTargetRules(std::ostream& fout);
void OutputLinkLibs(std::ostream& fout);
void OutputLinkLibraries(std::ostream&, const char*);
void OutputTargets(std::ostream&);
void OutputSubDirectoryRules(std::ostream&);
void OutputDependInformation(std::ostream&);