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add LibFindMacros CMake macro library
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Rich Wareham
Thiago de Arruda
parent
809885ea7d
commit
e10290c3ea
112
cmake/LibFindMacros.cmake
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112
cmake/LibFindMacros.cmake
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# Version 1.0 (2013-04-12)
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# Public Domain, originally written by Lasse Kärkkäinen <tronic@zi.fi>
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# Published at http://www.cmake.org/Wiki/CMake:How_To_Find_Libraries
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# If you improve the script, please modify the forementioned wiki page because
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# I no longer maintain my scripts (hosted as static files at zi.fi). Feel free
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# to remove this entire header if you use real version control instead.
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# Changelog:
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# 2013-04-12 Added version number (1.0) and this header, no other changes
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# 2009-10-08 Originally published
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# Works the same as find_package, but forwards the "REQUIRED" and "QUIET" arguments
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# used for the current package. For this to work, the first parameter must be the
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# prefix of the current package, then the prefix of the new package etc, which are
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# passed to find_package.
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macro (libfind_package PREFIX)
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set (LIBFIND_PACKAGE_ARGS ${ARGN})
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if (${PREFIX}_FIND_QUIETLY)
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set (LIBFIND_PACKAGE_ARGS ${LIBFIND_PACKAGE_ARGS} QUIET)
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endif (${PREFIX}_FIND_QUIETLY)
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if (${PREFIX}_FIND_REQUIRED)
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set (LIBFIND_PACKAGE_ARGS ${LIBFIND_PACKAGE_ARGS} REQUIRED)
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endif (${PREFIX}_FIND_REQUIRED)
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find_package(${LIBFIND_PACKAGE_ARGS})
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endmacro (libfind_package)
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# CMake developers made the UsePkgConfig system deprecated in the same release (2.6)
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# where they added pkg_check_modules. Consequently I need to support both in my scripts
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# to avoid those deprecated warnings. Here's a helper that does just that.
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# Works identically to pkg_check_modules, except that no checks are needed prior to use.
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macro (libfind_pkg_check_modules PREFIX PKGNAME)
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if (${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 4)
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include(UsePkgConfig)
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pkgconfig(${PKGNAME} ${PREFIX}_INCLUDE_DIRS ${PREFIX}_LIBRARY_DIRS ${PREFIX}_LDFLAGS ${PREFIX}_CFLAGS)
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else (${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 4)
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find_package(PkgConfig)
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if (PKG_CONFIG_FOUND)
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pkg_check_modules(${PREFIX} ${PKGNAME})
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endif (PKG_CONFIG_FOUND)
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endif (${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 4)
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endmacro (libfind_pkg_check_modules)
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# Do the final processing once the paths have been detected.
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# If include dirs are needed, ${PREFIX}_PROCESS_INCLUDES should be set to contain
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# all the variables, each of which contain one include directory.
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# Ditto for ${PREFIX}_PROCESS_LIBS and library files.
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# Will set ${PREFIX}_FOUND, ${PREFIX}_INCLUDE_DIRS and ${PREFIX}_LIBRARIES.
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# Also handles errors in case library detection was required, etc.
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macro (libfind_process PREFIX)
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# Skip processing if already processed during this run
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if (NOT ${PREFIX}_FOUND)
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# Start with the assumption that the library was found
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set (${PREFIX}_FOUND TRUE)
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# Process all includes and set _FOUND to false if any are missing
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foreach (i ${${PREFIX}_PROCESS_INCLUDES})
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if (${i})
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set (${PREFIX}_INCLUDE_DIRS ${${PREFIX}_INCLUDE_DIRS} ${${i}})
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mark_as_advanced(${i})
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else (${i})
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set (${PREFIX}_FOUND FALSE)
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endif (${i})
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endforeach (i)
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# Process all libraries and set _FOUND to false if any are missing
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foreach (i ${${PREFIX}_PROCESS_LIBS})
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if (${i})
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set (${PREFIX}_LIBRARIES ${${PREFIX}_LIBRARIES} ${${i}})
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mark_as_advanced(${i})
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else (${i})
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set (${PREFIX}_FOUND FALSE)
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endif (${i})
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endforeach (i)
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# Print message and/or exit on fatal error
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if (${PREFIX}_FOUND)
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if (NOT ${PREFIX}_FIND_QUIETLY)
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message (STATUS "Found ${PREFIX} ${${PREFIX}_VERSION}")
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endif (NOT ${PREFIX}_FIND_QUIETLY)
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else (${PREFIX}_FOUND)
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if (${PREFIX}_FIND_REQUIRED)
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foreach (i ${${PREFIX}_PROCESS_INCLUDES} ${${PREFIX}_PROCESS_LIBS})
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message("${i}=${${i}}")
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endforeach (i)
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message (FATAL_ERROR "Required library ${PREFIX} NOT FOUND.\nInstall the library (dev version) and try again. If the library is already installed, use ccmake to set the missing variables manually.")
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endif (${PREFIX}_FIND_REQUIRED)
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endif (${PREFIX}_FOUND)
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endif (NOT ${PREFIX}_FOUND)
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endmacro (libfind_process)
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macro(libfind_library PREFIX basename)
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set(TMP "")
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if(MSVC80)
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set(TMP -vc80)
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endif(MSVC80)
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if(MSVC90)
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set(TMP -vc90)
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endif(MSVC90)
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set(${PREFIX}_LIBNAMES ${basename}${TMP})
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if(${ARGC} GREATER 2)
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set(${PREFIX}_LIBNAMES ${basename}${TMP}-${ARGV2})
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string(REGEX REPLACE "\\." "_" TMP ${${PREFIX}_LIBNAMES})
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set(${PREFIX}_LIBNAMES ${${PREFIX}_LIBNAMES} ${TMP})
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endif(${ARGC} GREATER 2)
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find_library(${PREFIX}_LIBRARY
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NAMES ${${PREFIX}_LIBNAMES}
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PATHS ${${PREFIX}_PKGCONF_LIBRARY_DIRS}
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)
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endmacro(libfind_library)
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