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Merge topic 'refine-XL-rules' 

d468a2c XL: Avoid copying archives into shared libraries that link them
This commit is contained in:
Brad King 2011-04-12 14:43:39 -04:00 committed by CMake Topic Stage
parent c53119641f d468a2c2cb
commit 445611e53e
1 changed files with 17 additions and 0 deletions
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17
Modules/Compiler/XL.cmake
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@ -18,6 +18,12 @@ if(__COMPILER_XL)
endif()
set(__COMPILER_XL 1)
# Find the CreateExportList program that comes with this toolchain.
find_program(CMAKE_XL_CreateExportList
NAMES CreateExportList
DOC "IBM XL CreateExportList tool"
)
macro(__compiler_xl lang)
# Feature flags.
set(CMAKE_${lang}_VERBOSE_FLAG "-V")
@ -28,4 +34,15 @@ macro(__compiler_xl lang)
set(CMAKE_${lang}_FLAGS_RELWITHDEBINFO_INIT "-g")
set(CMAKE_${lang}_CREATE_PREPROCESSED_SOURCE "<CMAKE_${lang}_COMPILER> <DEFINES> <FLAGS> -E <SOURCE> > <PREPROCESSED_SOURCE>")
set(CMAKE_${lang}_CREATE_ASSEMBLY_SOURCE "<CMAKE_${lang}_COMPILER> <DEFINES> <FLAGS> -S <SOURCE> -o <ASSEMBLY_SOURCE>")
# The compiler front-end passes all object files, archive files, and shared
# library files named on the command line to CreateExportList to create a
# list of all symbols to be exported from the shared library. This causes
# all archive members to be copied into the shared library whether they are
# needed or not. Instead we run the tool ourselves to pass only the object
# files so that we export only the symbols actually provided by the sources.
set(CMAKE_${lang}_CREATE_SHARED_LIBRARY
"${CMAKE_XL_CreateExportList} <OBJECT_DIR>/objects.exp <OBJECTS>"
"<CMAKE_${lang}_COMPILER> <CMAKE_SHARED_LIBRARY_${lang}_FLAGS> <LANGUAGE_COMPILE_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS> -Wl,-bE:<OBJECT_DIR>/objects.exp <CMAKE_SHARED_LIBRARY_SONAME_${lang}_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>"
)
endmacro()