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Add CheckLib.cmake

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uyjulian 2014-08-04 11:05:13 -05:00 committed by Gregory Hainaut
parent 20716e13e4
commit 5f4fc4701f
1 changed files with 36 additions and 0 deletions
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36
cmake/CheckLib.cmake Normal file
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include(FindPkgConfig OPTIONAL)
macro(_internal_message msg)
message("${msg}")
endmacro()
macro(check_lib var lib)
set(_arg_list ${ARGN})
if(PKG_CONFIG_FOUND AND NOT ${var}_FOUND)
string(TOLOWER ${lib} lower_lib)
pkg_search_module(${var} QUIET ${lower_lib})
endif()
if(${var}_FOUND)
include_directories(${${var}_INCLUDE_DIRS})
# Make sure include directories for headers found using find_path below
# are re-added when reconfiguring
include_directories(${${var}_INCLUDE})
_internal_message("${lib} found")
else()
find_library(${var} ${lib})
if(_arg_list)
find_path(${var}_INCLUDE ${_arg_list})
else()
set(${var}_INCLUDE FALSE)
endif()
if(${var} AND ${var}_INCLUDE)
include_directories(${${var}_INCLUDE})
_internal_message("${lib} found")
set(${var}_FOUND 1 CACHE INTERNAL "")
else()
_internal_message("${lib} not found")
endif()
endif()
endmacro()