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