osb/cmake/FindPkgMacros.cmake
2023-06-20 14:33:09 +10:00

143 lines
5.0 KiB
CMake

#-------------------------------------------------------------------
# This file is part of the CMake build system for OGRE
# (Object-oriented Graphics Rendering Engine)
# For the latest info, see http://www.ogre3d.org/
#
# The contents of this file are placed in the public domain. Feel
# free to make use of it in any way you like.
#-------------------------------------------------------------------
##################################################################
# Provides some common functionality for the FindPackage modules
##################################################################
# Begin processing of package
macro(findpkg_begin PREFIX)
if (NOT ${PREFIX}_FIND_QUIETLY)
message(STATUS "Looking for ${PREFIX}...")
endif ()
endmacro(findpkg_begin)
# Display a status message unless FIND_QUIETLY is set
macro(pkg_message PREFIX)
if (NOT ${PREFIX}_FIND_QUIETLY)
message(STATUS ${ARGN})
endif ()
endmacro(pkg_message)
# Get environment variable, define it as ENV_$var and make sure backslashes are converted to forward slashes
macro(getenv_path VAR)
set(ENV_${VAR} $ENV{${VAR}})
# replace won't work if var is blank
if (ENV_${VAR})
string( REGEX REPLACE "\\\\" "/" ENV_${VAR} ${ENV_${VAR}} )
endif ()
endmacro(getenv_path)
# Construct search paths for includes and libraries from a PREFIX_PATH
macro(create_search_paths PREFIX)
foreach(dir ${${PREFIX}_PREFIX_PATH})
set(${PREFIX}_INC_SEARCH_PATH ${${PREFIX}_INC_SEARCH_PATH}
${dir}/include ${dir}/include/${PREFIX} ${dir}/Headers)
set(${PREFIX}_LIB_SEARCH_PATH ${${PREFIX}_LIB_SEARCH_PATH}
${dir}/lib ${dir}/lib/${PREFIX} ${dir}/Libs)
endforeach(dir)
set(${PREFIX}_FRAMEWORK_SEARCH_PATH ${${PREFIX}_PREFIX_PATH})
endmacro(create_search_paths)
# clear cache variables if a certain variable changed
macro(clear_if_changed TESTVAR)
# test against internal check variable
if (NOT "${${TESTVAR}}" STREQUAL "${${TESTVAR}_INT_CHECK}")
message(STATUS "${TESTVAR} changed.")
foreach(var ${ARGN})
set(${var} "NOTFOUND" CACHE STRING "x" FORCE)
endforeach(var)
endif ()
set(${TESTVAR}_INT_CHECK ${${TESTVAR}} CACHE INTERNAL "x" FORCE)
endmacro(clear_if_changed)
# Try to get some hints from pkg-config, if available
macro(use_pkgconfig PREFIX PKGNAME)
find_package(PkgConfig)
if (PKG_CONFIG_FOUND)
pkg_check_modules(${PREFIX} ${PKGNAME})
endif ()
endmacro (use_pkgconfig)
# Couple a set of release AND debug libraries (or frameworks)
macro(make_library_set PREFIX)
if (${PREFIX}_FWK)
set(${PREFIX} ${${PREFIX}_FWK})
elseif (${PREFIX}_REL AND ${PREFIX}_DBG)
set(${PREFIX} optimized ${${PREFIX}_REL} debug ${${PREFIX}_DBG})
elseif (${PREFIX}_REL)
set(${PREFIX} ${${PREFIX}_REL})
elseif (${PREFIX}_DBG)
set(${PREFIX} ${${PREFIX}_DBG})
endif ()
endmacro(make_library_set)
# Generate debug names from given release names
macro(get_debug_names PREFIX)
foreach(i ${${PREFIX}})
set(${PREFIX}_DBG ${${PREFIX}_DBG} ${i}d ${i}D ${i}_d ${i}_D ${i}_debug ${i})
endforeach(i)
endmacro(get_debug_names)
# Add the parent dir from DIR to VAR
macro(add_parent_dir VAR DIR)
get_filename_component(${DIR}_TEMP "${${DIR}}/.." ABSOLUTE)
set(${VAR} ${${VAR}} ${${DIR}_TEMP})
endmacro(add_parent_dir)
# Do the final processing for the package find.
macro(findpkg_finish PREFIX)
# skip if already processed during this run
if (NOT ${PREFIX}_FOUND)
if (${PREFIX}_INCLUDE_DIR AND ${PREFIX}_LIBRARY)
set(${PREFIX}_FOUND TRUE)
set(${PREFIX}_INCLUDE_DIRS ${${PREFIX}_INCLUDE_DIR})
set(${PREFIX}_LIBRARIES ${${PREFIX}_LIBRARY})
if (NOT ${PREFIX}_FIND_QUIETLY)
message(STATUS "Found ${PREFIX}: ${${PREFIX}_LIBRARIES}")
endif ()
else ()
if (NOT ${PREFIX}_FIND_QUIETLY)
message(STATUS "Could not locate ${PREFIX}")
endif ()
if (${PREFIX}_FIND_REQUIRED)
message(FATAL_ERROR "Required library ${PREFIX} not found! Install the library (including dev packages) and try again. If the library is already installed, set the missing variables manually in cmake.")
endif ()
endif ()
mark_as_advanced(${PREFIX}_INCLUDE_DIR ${PREFIX}_LIBRARY ${PREFIX}_LIBRARY_REL ${PREFIX}_LIBRARY_DBG ${PREFIX}_LIBRARY_FWK)
endif ()
endmacro(findpkg_finish)
# Slightly customised framework finder
MACRO(findpkg_framework fwk)
IF(APPLE)
SET(${fwk}_FRAMEWORK_PATH
${${fwk}_FRAMEWORK_SEARCH_PATH}
${CMAKE_FRAMEWORK_PATH}
~/Library/Frameworks
/Library/Frameworks
/System/Library/Frameworks
/Network/Library/Frameworks
/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS3.0.sdk/System/Library/Frameworks/
)
FOREACH(dir ${${fwk}_FRAMEWORK_PATH})
SET(fwkpath ${dir}/${fwk}.framework)
IF(EXISTS ${fwkpath})
SET(${fwk}_FRAMEWORK_INCLUDES ${${fwk}_FRAMEWORK_INCLUDES}
${fwkpath}/Headers ${fwkpath}/PrivateHeaders)
if (NOT ${fwk}_LIBRARY_FWK)
SET(${fwk}_LIBRARY_FWK "-framework ${fwk}")
endif ()
ENDIF(EXISTS ${fwkpath})
ENDFOREACH(dir)
ENDIF(APPLE)
ENDMACRO(findpkg_framework)