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https://github.com/panda3d/panda3d.git
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86 lines
2.3 KiB
CMake
86 lines
2.3 KiB
CMake
# Filename: ConfigurePackage.cmake
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# Author: kestred (30 Nov, 2013)
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#
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# This modules defines a function which finds and configures libraries
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# and packages for Panda3Ds configuration file headers (.h files).
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#
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# Additionally, it defines a macro for including Mangle modules.
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#
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# Assumes the file has already been found with find_package().
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#
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# Usage:
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# mangle_package(LIBRARY_NAME)
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macro(mangle_package PKG_NAME)
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include(Mangle${PKG_NAME})
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endmacro()
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# Usage:
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# config_package(PACKAGE_NAME [REQUIRED] [COMMENT <display-name>])
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function(config_package PKG_NAME)
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# Set function vars to defaults
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set(DISPLAY_NAME ${PKG_NAME})
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# Handle optional function arguments
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foreach(arg ${ARGN})
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if(ARG_IS_COMMENT)
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unset(ARG_IS_COMMENT)
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set(DISPLAY_NAME ${arg})
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break()
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endif()
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if(arg MATCHES "REQUIRED")
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# TODO: Implement currently ignored
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elseif(arg MATCHES "COMMENT")
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set(ARG_IS_COMMENT TRUE)
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else()
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message(AUTHOR_WARNING "configure_package() unexpected argument: '${arg}'")
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return()
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endif()
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endforeach()
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if(ARG_IS_COMMENT)
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message(AUTHOR_WARNING "configure_package() expected display-name after 'COMMENT'")
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endif()
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if(FOUND_${PKG_NAME})
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# Output success after finding the package for the first time
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if(NOT DEFINED USE_${PKG_NAME} AND NOT DISABLE_EVERYTHING)
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message(STATUS "+ ${DISPLAY_NAME}")
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endif()
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### Add a USE_XYZZY config variable to the cache ###
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if(ENABLE_EVERYTHING OR DISABLE_EVERYTHING)
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unset(USE_${PKG_NAME} CACHE)
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endif()
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if(DISABLE_EVERYTHING)
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set(USE_${PKG_NAME} FALSE CACHE BOOL "If true, compile Panda3D with ${DISPLAY_NAME}")
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else()
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set(USE_${PKG_NAME} TRUE CACHE BOOL "If true, compile Panda3D with ${DISPLAY_NAME}")
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endif()
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# Update HAVE_XYZZY
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if(USE_${PKG_NAME})
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set(HAVE_${PKG_NAME} TRUE PARENT_SCOPE)
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endif()
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elseif(DEFINED USE_${PKG_NAME})
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# If we were compiling with a particular package, but we can't find it;
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# then inform the user the package was lost.
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if(USE_${PKG_NAME})
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message(STATUS "- Can no longer find ${DISPLAY_NAME}")
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# Only unset if USE_XYZZY is true;
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# This allows us to set USE_XYZZY to false to silence the output
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unset(USE_${PKG_NAME})
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endif()
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else()
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# Output failure to find package
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if(NOT DISABLE_EVERYTHING)
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message(STATUS "- Did not find ${DISPLAY_NAME}")
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endif()
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endif()
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endfunction()
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