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ENH: Build large archives incrementally 

Creation of archive libraries with the unix 'ar' tool should be done
incrementally when the number of object files is large.  This avoids
problems with the command line getting too many arguments.
This commit is contained in:
Brad King 2008-08-04 11:37:19 -04:00
parent 0c20967a6b
commit aaa88d33a9
4 changed files with 19 additions and 21 deletions
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12
Modules/CMakeCInformation.cmake
View File

@ -98,7 +98,6 @@ INCLUDE(CMakeCommonLanguageInclude)
# CMAKE_C_CREATE_SHARED_LIBRARY
# CMAKE_C_CREATE_SHARED_MODULE
# CMAKE_C_CREATE_STATIC_LIBRARY
# CMAKE_C_COMPILE_OBJECT
# CMAKE_C_LINK_EXECUTABLE
@ -133,12 +132,11 @@ IF(NOT CMAKE_C_CREATE_SHARED_MODULE)
SET(CMAKE_C_CREATE_SHARED_MODULE ${CMAKE_C_CREATE_SHARED_LIBRARY})
ENDIF(NOT CMAKE_C_CREATE_SHARED_MODULE)
# create a C static library
IF(NOT CMAKE_C_CREATE_STATIC_LIBRARY)
SET(CMAKE_C_CREATE_STATIC_LIBRARY
"<CMAKE_AR> cr <TARGET> <LINK_FLAGS> <OBJECTS> "
"<CMAKE_RANLIB> <TARGET> ")
ENDIF(NOT CMAKE_C_CREATE_STATIC_LIBRARY)
# Create a static archive incrementally for large object file counts.
# If CMAKE_C_CREATE_STATIC_LIBRARY is set it will override these.
SET(CMAKE_C_ARCHIVE_CREATE "<CMAKE_AR> cr <TARGET> <LINK_FLAGS> <OBJECTS>")
SET(CMAKE_C_ARCHIVE_APPEND "<CMAKE_AR> r <TARGET> <LINK_FLAGS> <OBJECTS>")
SET(CMAKE_C_ARCHIVE_FINISH "<CMAKE_RANLIB> <TARGET>")
# compile a C file into an object file
IF(NOT CMAKE_C_COMPILE_OBJECT)

12
Modules/CMakeCXXInformation.cmake
View File

@ -176,7 +176,6 @@ INCLUDE(CMakeCommonLanguageInclude)
# now define the following rules:
# CMAKE_CXX_CREATE_SHARED_LIBRARY
# CMAKE_CXX_CREATE_SHARED_MODULE
# CMAKE_CXX_CREATE_STATIC_LIBRARY
# CMAKE_CXX_COMPILE_OBJECT
# CMAKE_CXX_LINK_EXECUTABLE
@ -212,12 +211,11 @@ IF(NOT CMAKE_CXX_CREATE_SHARED_MODULE)
ENDIF(NOT CMAKE_CXX_CREATE_SHARED_MODULE)
# create a C++ static library
IF(NOT CMAKE_CXX_CREATE_STATIC_LIBRARY)
SET(CMAKE_CXX_CREATE_STATIC_LIBRARY
"<CMAKE_AR> cr <TARGET> <LINK_FLAGS> <OBJECTS> "
"<CMAKE_RANLIB> <TARGET> ")
ENDIF(NOT CMAKE_CXX_CREATE_STATIC_LIBRARY)
# Create a static archive incrementally for large object file counts.
# If CMAKE_CXX_CREATE_STATIC_LIBRARY is set it will override these.
SET(CMAKE_CXX_ARCHIVE_CREATE "<CMAKE_AR> cr <TARGET> <LINK_FLAGS> <OBJECTS>")
SET(CMAKE_CXX_ARCHIVE_APPEND "<CMAKE_AR> r <TARGET> <LINK_FLAGS> <OBJECTS>")
SET(CMAKE_CXX_ARCHIVE_FINISH "<CMAKE_RANLIB> <TARGET>")
# compile a C++ file into an object file
IF(NOT CMAKE_CXX_COMPILE_OBJECT)

12
Modules/CMakeFortranInformation.cmake
View File

@ -119,7 +119,6 @@ INCLUDE(CMakeCommonLanguageInclude)
# now define the following rule variables
# CMAKE_Fortran_CREATE_SHARED_LIBRARY
# CMAKE_Fortran_CREATE_SHARED_MODULE
# CMAKE_Fortran_CREATE_STATIC_LIBRARY
# CMAKE_Fortran_COMPILE_OBJECT
# CMAKE_Fortran_LINK_EXECUTABLE
@ -134,12 +133,11 @@ IF(NOT CMAKE_Fortran_CREATE_SHARED_MODULE)
SET(CMAKE_Fortran_CREATE_SHARED_MODULE ${CMAKE_Fortran_CREATE_SHARED_LIBRARY})
ENDIF(NOT CMAKE_Fortran_CREATE_SHARED_MODULE)
# create a Fortran static library
IF(NOT CMAKE_Fortran_CREATE_STATIC_LIBRARY)
SET(CMAKE_Fortran_CREATE_STATIC_LIBRARY
"<CMAKE_AR> cr <TARGET> <LINK_FLAGS> <OBJECTS> "
"<CMAKE_RANLIB> <TARGET> ")
ENDIF(NOT CMAKE_Fortran_CREATE_STATIC_LIBRARY)
# Create a static archive incrementally for large object file counts.
# If CMAKE_Fortran_CREATE_STATIC_LIBRARY is set it will override these.
SET(CMAKE_Fortran_ARCHIVE_CREATE "<CMAKE_AR> cr <TARGET> <LINK_FLAGS> <OBJECTS>")
SET(CMAKE_Fortran_ARCHIVE_APPEND "<CMAKE_AR> r <TARGET> <LINK_FLAGS> <OBJECTS>")
SET(CMAKE_Fortran_ARCHIVE_FINISH "<CMAKE_RANLIB> <TARGET>")
# compile a Fortran file into an object file
IF(NOT CMAKE_Fortran_COMPILE_OBJECT)

4
Source/cmMakefileLibraryTargetGenerator.cxx
View File

@ -612,12 +612,15 @@ void cmMakefileLibraryTargetGenerator::WriteLibraryRules
}
// For static libraries there might be archiving rules.
bool haveStaticLibraryRule = false;
std::vector<std::string> archiveCreateCommands;
std::vector<std::string> archiveAppendCommands;
std::vector<std::string> archiveFinishCommands;
std::string::size_type archiveCommandLimit = std::string::npos;
if(this->Target->GetType() == cmTarget::STATIC_LIBRARY)
{
haveStaticLibraryRule =
this->Makefile->GetDefinition(linkRuleVar)? true:false;
std::string arCreateVar = "CMAKE_";
arCreateVar += linkLanguage;
arCreateVar += "_ARCHIVE_CREATE";
@ -643,6 +646,7 @@ void cmMakefileLibraryTargetGenerator::WriteLibraryRules
// Decide whether to use archiving rules.
bool useArchiveRules =
!haveStaticLibraryRule &&
!archiveCreateCommands.empty() && !archiveAppendCommands.empty();
if(useArchiveRules)
{