polybar-dwm/cmake/modules/FindXcb.cmake
2020-12-22 00:37:07 +01:00

54 lines
1.4 KiB
CMake

cmake_policy(PUSH)
cmake_policy(SET CMP0057 NEW)
set(XCB_known_components
XCB
RANDR
COMPOSITE
XKB
XRM
CURSOR)
foreach(_comp ${XCB_known_components})
string(TOLOWER "${_comp}" _lc_comp)
set(XCB_${_comp}_pkg_config "xcb-${_lc_comp}")
set(XCB_${_comp}_header "xcb/${_lc_comp}.h")
endforeach()
set(XCB_XRM_header "xcb/xcb_xrm.h")
set(XCB_CURSOR_header "xcb/xcb_cursor.h")
find_package(PkgConfig REQUIRED)
include(FindPackageHandleStandardArgs)
foreach(_comp ${Xcb_FIND_COMPONENTS})
if (NOT ${_comp} IN_LIST XCB_known_components)
cmake_policy(POP)
message(FATAL_ERROR "Unknow component ${_comp} for XCB")
endif()
pkg_check_modules(PC_${_comp} QUIET ${XCB_${_comp}_pkg_config})
find_path(${_comp}_INCLUDES_DIRS
NAMES "${XCB_${_comp}_header}"
HINTS ${PC_${_comp}_INCLUDEDIR} ${PC_${_comp}_INCLUDE_DIRS}
)
find_package_handle_standard_args(Xcb_${_comp}
REQUIRED_VARS ${_comp}_INCLUDES_DIRS
VERSION_VAR PC_${_comp}_VERSION
HANDLE_COMPONENTS
)
if(Xcb_${_comp}_FOUND AND NOT TARGET Xcb::${_comp})
add_library(Xcb::${_comp} INTERFACE IMPORTED)
set_target_properties(Xcb::${_comp} PROPERTIES
INTERFACE_SYSTEM_INCLUDE_DIRECTORIES "${_comp}_INCLUDES"
INTERFACE_LINK_LIBRARIES "${PC_${_comp}_LIBRARIES}"
)
elseif(NOT Xcb_${_comp}_FOUND AND Xcb_FIND_REQUIRED)
message(FATAL_ERROR "Xcb: Required component \"${component}\" is not found")
endif()
endforeach()
cmake_policy(POP)