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XL: Look for CreateExportList only on AIX

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This tool comes with XL on AIX but not on Linux.  Move the
infrastructure to find and use it to the AIX-specific modules.
This commit is contained in:
Brad King
2019-02-25 08:24:27 -05:00
parent 13b1d2f9f8
commit e0231fe439
2 changed files with 22 additions and 22 deletions
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Modules/Compiler/XL.cmake
-22
View File
@@ -10,12 +10,6 @@ set(__COMPILER_XL 1)
include(Compiler/CMakeCommonCompilerMacros)
# 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_${lang}_VERBOSE_FLAG "-V")
@@ -35,20 +29,4 @@ macro(__compiler_xl lang)
set(CMAKE_${lang}_CREATE_ASSEMBLY_SOURCE "<CMAKE_${lang}_COMPILER> <DEFINES> <INCLUDES> <FLAGS> -S <SOURCE> -o <ASSEMBLY_SOURCE>")
set(CMAKE_DEPFILE_FLAGS_${lang} "-MF <DEPFILE> -qmakedep=gcc")
# CMAKE_XL_CreateExportList is part of the AIX XL compilers but not the linux ones.
# If we found the tool, we'll use it to create exports, otherwise stick with the regular
# create shared library compile line.
if (CMAKE_XL_CreateExportList)
# 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> -Wl,-bE:<OBJECT_DIR>/objects.exp <LANGUAGE_COMPILE_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS> <SONAME_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>"
)
endif()
endmacro()
Modules/Platform/AIX-XL.cmake
+22
View File
@@ -25,4 +25,26 @@ macro(__aix_compiler_xl lang)
set(CMAKE_SHARED_MODULE_${lang}_FLAGS " ")
set(CMAKE_${lang}_LINK_FLAGS "-Wl,-bnoipath")
# Find the CreateExportList program that comes with this toolchain.
find_program(CMAKE_XL_CreateExportList
NAMES CreateExportList
DOC "IBM XL CreateExportList tool"
)
# CMAKE_XL_CreateExportList is part of the AIX XL compilers but not the linux ones.
# If we found the tool, we'll use it to create exports, otherwise stick with the regular
# create shared library compile line.
if (CMAKE_XL_CreateExportList)
# The compiler front-end passes all object files, archive files, and shared
# library files named on the command line to CreateExportList to create a
# list of all symbols to be exported from the shared library. This causes
# all archive members to be copied into the shared library whether they are
# needed or not. Instead we run the tool ourselves to pass only the object
# files so that we export only the symbols actually provided by the sources.
set(CMAKE_${lang}_CREATE_SHARED_LIBRARY
"${CMAKE_XL_CreateExportList} <OBJECT_DIR>/objects.exp <OBJECTS>"
"<CMAKE_${lang}_COMPILER> <CMAKE_SHARED_LIBRARY_${lang}_FLAGS> -Wl,-bE:<OBJECT_DIR>/objects.exp <LANGUAGE_COMPILE_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS> <SONAME_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>"
)
endif()
endmacro()