diff options
Diffstat (limited to 'find-modules/FindEGL.cmake')
| -rw-r--r-- | find-modules/FindEGL.cmake | 146 |
1 files changed, 70 insertions, 76 deletions
diff --git a/find-modules/FindEGL.cmake b/find-modules/FindEGL.cmake index f1962b9a..99d268df 100644 --- a/find-modules/FindEGL.cmake +++ b/find-modules/FindEGL.cmake @@ -2,7 +2,7 @@ # FindEGL # ------- # -# Try to find EGL on a Unix system. +# Try to find EGL. # # This will define the following variables: # @@ -65,90 +65,84 @@ if(CMAKE_MINIMUM_REQUIRED_VERSION VERSION_LESS 2.8.12) message(AUTHOR_WARNING "Your project should require at least CMake 2.8.12 to use FindEGL.cmake") endif() -if(NOT WIN32) - # Use pkg-config to get the directories and then use these values - # in the FIND_PATH() and FIND_LIBRARY() calls - find_package(PkgConfig) - pkg_check_modules(PKG_EGL QUIET egl) +# Use pkg-config to get the directories and then use these values +# in the FIND_PATH() and FIND_LIBRARY() calls +find_package(PkgConfig) +pkg_check_modules(PKG_EGL QUIET egl) - set(EGL_DEFINITIONS ${PKG_EGL_CFLAGS_OTHER}) +set(EGL_DEFINITIONS ${PKG_EGL_CFLAGS_OTHER}) - find_path(EGL_INCLUDE_DIR - NAMES - egl.h - HINTS - ${PKG_EGL_INCLUDE_DIRS} - PATH_SUFFIXES - EGL - ) - find_library(EGL_LIBRARY - NAMES - EGL - HINTS - ${PKG_EGL_LIBRARY_DIRS} - ) - - # NB: We do *not* use the version information from pkg-config, as that - # is the implementation version (eg: the Mesa version) - if(EGL_INCLUDE_DIR) - # egl.h has defines of the form EGL_VERSION_x_y for each supported - # version; so the header for EGL 1.1 will define EGL_VERSION_1_0 and - # EGL_VERSION_1_1. Finding the highest supported version involves - # finding all these defines and selecting the highest numbered. - file(READ "${EGL_INCLUDE_DIR}/egl.h" _EGL_header_contents) - string(REGEX MATCHALL - "[ \\t]EGL_VERSION_[0-9_]+" - _EGL_version_lines - "${_EGL_header_contents}" - ) - unset(_EGL_header_contents) - foreach(_EGL_version_line ${_EGL_version_lines}) - string(REGEX REPLACE - "[ \\t]EGL_VERSION_([0-9_]+)" - "\\1" - _version_candidate - "${_EGL_version_line}" - ) - string(REPLACE "_" "." _version_candidate "${_version_candidate}") - if(NOT DEFINED EGL_VERSION OR EGL_VERSION VERSION_LESS _version_candidate) - set(EGL_VERSION "${_version_candidate}") - endif() - endforeach() - unset(_EGL_version_lines) - endif() +find_path(EGL_INCLUDE_DIR + NAMES + egl.h + HINTS + ${PKG_EGL_INCLUDE_DIRS} + PATH_SUFFIXES + EGL +) +find_library(EGL_LIBRARY + NAMES + EGL + HINTS + ${PKG_EGL_LIBRARY_DIRS} +) - include(FindPackageHandleStandardArgs) - find_package_handle_standard_args(EGL - FOUND_VAR - EGL_FOUND - REQUIRED_VARS - EGL_LIBRARY - EGL_INCLUDE_DIR - VERSION_VAR - EGL_VERSION +# NB: We do *not* use the version information from pkg-config, as that +# is the implementation version (eg: the Mesa version) +if(EGL_INCLUDE_DIR) + # egl.h has defines of the form EGL_VERSION_x_y for each supported + # version; so the header for EGL 1.1 will define EGL_VERSION_1_0 and + # EGL_VERSION_1_1. Finding the highest supported version involves + # finding all these defines and selecting the highest numbered. + file(READ "${EGL_INCLUDE_DIR}/egl.h" _EGL_header_contents) + string(REGEX MATCHALL + "[ \\t]EGL_VERSION_[0-9_]+" + _EGL_version_lines + "${_EGL_header_contents}" ) - - if(EGL_FOUND AND NOT TARGET EGL::EGL) - add_library(EGL::EGL UNKNOWN IMPORTED) - set_target_properties(EGL::EGL PROPERTIES - IMPORTED_LOCATION "${EGL_LIBRARY}" - INTERFACE_COMPILE_OPTIONS "${EGL_DEFINITIONS}" - INTERFACE_INCLUDE_DIRECTORIES "${EGL_INCLUDE_DIR}" + unset(_EGL_header_contents) + foreach(_EGL_version_line ${_EGL_version_lines}) + string(REGEX REPLACE + "[ \\t]EGL_VERSION_([0-9_]+)" + "\\1" + _version_candidate + "${_EGL_version_line}" ) - endif() - - mark_as_advanced(EGL_LIBRARY EGL_INCLUDE_DIR) + string(REPLACE "_" "." _version_candidate "${_version_candidate}") + if(NOT DEFINED EGL_VERSION OR EGL_VERSION VERSION_LESS _version_candidate) + set(EGL_VERSION "${_version_candidate}") + endif() + endforeach() + unset(_EGL_version_lines) +endif() - # compatibility variables - set(EGL_LIBRARIES ${EGL_LIBRARY}) - set(EGL_INCLUDE_DIRS ${EGL_INCLUDE_DIR}) - set(EGL_VERSION_STRING ${EGL_VERSION}) +include(FindPackageHandleStandardArgs) +find_package_handle_standard_args(EGL + FOUND_VAR + EGL_FOUND + REQUIRED_VARS + EGL_LIBRARY + EGL_INCLUDE_DIR + VERSION_VAR + EGL_VERSION +) -else() - message(STATUS "FindEGL.cmake cannot find EGL on Windows systems. Try finding WGL instead.") - set(EGL_FOUND FALSE) +if(EGL_FOUND AND NOT TARGET EGL::EGL) + add_library(EGL::EGL UNKNOWN IMPORTED) + set_target_properties(EGL::EGL PROPERTIES + IMPORTED_LOCATION "${EGL_LIBRARY}" + INTERFACE_COMPILE_OPTIONS "${EGL_DEFINITIONS}" + INTERFACE_INCLUDE_DIRECTORIES "${EGL_INCLUDE_DIR}" + ) endif() +mark_as_advanced(EGL_LIBRARY EGL_INCLUDE_DIR) + +# compatibility variables +set(EGL_LIBRARIES ${EGL_LIBRARY}) +set(EGL_INCLUDE_DIRS ${EGL_INCLUDE_DIR}) +set(EGL_VERSION_STRING ${EGL_VERSION}) + include(FeatureSummary) set_package_properties(EGL PROPERTIES URL "https://www.khronos.org/egl/" |