dolphin/CMakeTests/CheckLib.cmake
Pierre Bourdon 8876ee120a Change libav* autodetection to support framedumping on Ubuntu 14.04
Add an "ugly" workaround in the AVIDump code, but looking at other project this
seems to be the most common way to handle this API change.
2014-07-13 23:06:20 +02:00

72 lines
1.7 KiB
CMake

include(FindPkgConfig OPTIONAL)
macro(_internal_message msg)
if(NOT ${_is_quiet})
message("${msg}")
endif()
endmacro()
macro(check_lib var lib)
set(_is_required 0)
set(_is_quiet 0)
set(_arg_list ${ARGN})
foreach(_arg ${ARGN})
if(_arg STREQUAL "REQUIRED")
list(REMOVE_ITEM _arg_list "REQUIRED")
set(_is_required 1)
endif()
if(_arg STREQUAL "QUIET")
list(REMOVE_ITEM _arg_list "QUIET")
set(_is_quiet 1)
endif()
endforeach()
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(${var}_FOUND 1 CACHE INTERNAL "")
else()
if(_is_required)
message(FATAL_ERROR "${lib} is required but not found")
else()
_internal_message("${lib} not found")
endif()
endif()
endif()
endmacro()
macro(check_libav)
if(PKG_CONFIG_FOUND)
pkg_check_modules(LIBAV libavcodec>=54.35.0 libavformat>=54.20.4
libswscale>=2.1.1 libavutil>=52.3.0)
else()
message("pkg-config is required to check for libav/ffmpeg")
endif()
if(LIBAV_FOUND)
message("libav/ffmpeg found, enabling AVI frame dumps")
add_definitions(-DHAVE_LIBAV)
include_directories(${LIBAV_INCLUDE_DIRS})
else()
message("libav/ffmpeg not found, disabling AVI frame dumps")
endif()
endmacro()