kolan
/
CMake
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Made ADD_COMPILER_EXPORT_FLAGS into a macro. 

It adds to the CMAKE_CXX_FLAGS (as before), or populates the supplied
optional argument with the CXX_FLAGS for symbol import/export.
This commit is contained in:
Marcus D. Hanwell 2011-09-19 16:42:42 -04:00
parent 2d1acfe359
commit 6a10deb670
1 changed files with 18 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
Modules/GenerateExportHeader.cmake
View File

@ -1,6 +1,6 @@
# - Function for generation of export macros for libraries
# This module provides the function GENERATE_EXPORT_HEADER() and the
# accompanying ADD_COMPILER_EXPORT_FLAGS() function.
# accompanying ADD_COMPILER_EXPORT_FLAGS() macro.
#
# The GENERATE_EXPORT_HEADER function can be used to generate a file suitable
# for preprocessor inclusion which contains EXPORT macros to be used in
@ -22,8 +22,11 @@
#
# By default GENERATE_EXPORT_HEADER() generates macro names in a file name
# determined by the name of the library. The ADD_COMPILER_EXPORT_FLAGS macro
# adds -fvisibility=hidden to CMAKE_CXX_FLAGS if supported, and is a no-op on Windows
# which does not need extra compiler flags for exporting support.
# adds -fvisibility=hidden to CMAKE_CXX_FLAGS if supported, and is a no-op on
# Windows which does not need extra compiler flags for exporting support. You
# may optionally pass a single argument to ADD_COMPILER_EXPORT_FLAGS that will
# be populated with the required CXX_FLAGS required to enable visibility support
# for the compiler/architecture in use.
#
# This means that in the simplest case, users of these functions will be
# equivalent to:
@ -229,7 +232,8 @@ macro(_test_compiler_has_deprecated)
endif()
endmacro()
get_filename_component(_GENERATE_EXPORT_HEADER_MODULE_DIR "${CMAKE_CURRENT_LIST_FILE}" PATH)
get_filename_component(_GENERATE_EXPORT_HEADER_MODULE_DIR
"${CMAKE_CURRENT_LIST_FILE}" PATH)
macro(_DO_SET_MACRO_VALUES TARGET_LIBRARY)
set(DEFINE_DEPRECATED)
@ -347,7 +351,7 @@ function(GENERATE_EXPORT_HEADER TARGET_LIBRARY)
_do_generate_export_header(${TARGET_LIBRARY} ${ARGN})
endfunction()
function(add_compiler_export_flags)
macro(add_compiler_export_flags)
_test_compiler_hidden_visibility()
_test_compiler_has_deprecated()
@ -362,5 +366,12 @@ function(add_compiler_export_flags)
if(COMPILER_HAS_HIDDEN_INLINE_VISIBILITY)
set (EXTRA_FLAGS "${EXTRA_FLAGS} -fvisibility-inlines-hidden")
endif()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${EXTRA_FLAGS}" PARENT_SCOPE)
endfunction()
# Either return the extra flags needed in the supplied argument, or to the
# CMAKE_CXX_FLAGS if no argument is supplied.
if(ARGV0)
set(${ARGV0} "${EXTRA_FLAGS}")
else()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${EXTRA_FLAGS}")
endif()
endmacro()