terom@59: # Works the same as find_package, but forwards the "REQUIRED" and "QUIET" arguments
terom@59: # used for the current package. For this to work, the first parameter must be the
terom@59: # prefix of the current package, then the prefix of the new package etc, which are
terom@59: # passed to find_package.
terom@59: macro (libfind_package PREFIX)
terom@59:   set (LIBFIND_PACKAGE_ARGS ${ARGN})
terom@59:   if (${PREFIX}_FIND_QUIETLY)
terom@59:     set (LIBFIND_PACKAGE_ARGS ${LIBFIND_PACKAGE_ARGS} QUIET)
terom@59:   endif (${PREFIX}_FIND_QUIETLY)
terom@59:   if (${PREFIX}_FIND_REQUIRED)
terom@59:     set (LIBFIND_PACKAGE_ARGS ${LIBFIND_PACKAGE_ARGS} REQUIRED)
terom@59:   endif (${PREFIX}_FIND_REQUIRED)
terom@59:   find_package(${LIBFIND_PACKAGE_ARGS})
terom@59: endmacro (libfind_package)
terom@59: 
terom@59: # Damn CMake developers made the UsePkgConfig system deprecated in the same release (2.6)
terom@59: # where they added pkg_check_modules. Consequently I need to support both in my scripts
terom@59: # to avoid those deprecated warnings. Here's a helper that does just that.
terom@59: # Works identically to pkg_check_modules, except that no checks are needed prior to use.
terom@59: macro (libfind_pkg_check_modules PREFIX PKGNAME)
terom@59:   if (${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 4)
terom@59:     include(UsePkgConfig)
terom@59:     pkgconfig(${PKGNAME} ${PREFIX}_INCLUDE_DIRS ${PREFIX}_LIBRARY_DIRS ${PREFIX}_LDFLAGS ${PREFIX}_CFLAGS)
terom@59:   else (${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 4)
terom@59:     find_package(PkgConfig)
terom@59:     if (PKG_CONFIG_FOUND)
terom@59:       pkg_check_modules(${PREFIX} ${PKGNAME})
terom@59:     endif (PKG_CONFIG_FOUND)
terom@59:   endif (${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 4)
terom@59: endmacro (libfind_pkg_check_modules)
terom@59: 
terom@59: # Do the final processing once the paths have been detected.
terom@59: # If include dirs are needed, ${PREFIX}_PROCESS_INCLUDES should be set to contain
terom@59: # all the variables, each of which contain one include directory.
terom@59: # Ditto for ${PREFIX}_PROCESS_LIBS and library files.
terom@59: # Will set ${PREFIX}_FOUND, ${PREFIX}_INCLUDE_DIRS and ${PREFIX}_LIBRARIES.
terom@59: # Also handles errors in case library detection was required, etc.
terom@59: macro (libfind_process PREFIX)
terom@59:   # Skip processing if already processed during this run
terom@59:   if (NOT ${PREFIX}_FOUND)
terom@59:     # Start with the assumption that the library was found
terom@59:     set (${PREFIX}_FOUND TRUE)
terom@59: 
terom@59:     # Process all includes and set _FOUND to false if any are missing
terom@59:     foreach (i ${${PREFIX}_PROCESS_INCLUDES})
terom@59:       if (${i})
terom@59:         set (${PREFIX}_INCLUDE_DIRS ${${PREFIX}_INCLUDE_DIRS} ${${i}})
terom@59:         mark_as_advanced(${i})
terom@59:       else (${i})
terom@59:         set (${PREFIX}_FOUND FALSE)
terom@59:       endif (${i})
terom@59:     endforeach (i)
terom@59: 
terom@59:     # Process all libraries and set _FOUND to false if any are missing
terom@59:     foreach (i ${${PREFIX}_PROCESS_LIBS})
terom@59:       if (${i})
terom@59:         set (${PREFIX}_LIBRARIES ${${PREFIX}_LIBRARIES} ${${i}})
terom@59:         mark_as_advanced(${i})
terom@59:       else (${i})
terom@59:         set (${PREFIX}_FOUND FALSE)
terom@59:       endif (${i})
terom@59:     endforeach (i)
terom@59: 
terom@59:     # Print message and/or exit on fatal error
terom@59:     if (${PREFIX}_FOUND)
terom@59:       if (NOT ${PREFIX}_FIND_QUIETLY)
terom@59:         message (STATUS "Found ${PREFIX} ${${PREFIX}_VERSION}")
terom@59:       endif (NOT ${PREFIX}_FIND_QUIETLY)
terom@59:     else (${PREFIX}_FOUND)
terom@59:       if (${PREFIX}_FIND_REQUIRED)
terom@59:         foreach (i ${${PREFIX}_PROCESS_INCLUDES} ${${PREFIX}_PROCESS_LIBS})
terom@59:           message("${i}=${${i}}")
terom@59:         endforeach (i)
terom@59:         message (FATAL_ERROR "Required library ${PREFIX} NOT FOUND.\nInstall the library (dev version) and try again. If the library is already installed, use ccmake to set the missing variables manually.")
terom@59:       endif (${PREFIX}_FIND_REQUIRED)
terom@59:     endif (${PREFIX}_FOUND)
terom@59:   endif (NOT ${PREFIX}_FOUND)
terom@59: endmacro (libfind_process)
terom@59: 
terom@59: macro(libfind_library PREFIX basename)
terom@59:   set(TMP "")
terom@59:   if(MSVC80)
terom@59:     set(TMP -vc80)
terom@59:   endif(MSVC80)
terom@59:   if(MSVC90)
terom@59:     set(TMP -vc90)
terom@59:   endif(MSVC90)
terom@59:   set(${PREFIX}_LIBNAMES ${basename}${TMP})
terom@59:   if(${ARGC} GREATER 2)
terom@59:     set(${PREFIX}_LIBNAMES ${basename}${TMP}-${ARGV2})
terom@59:     string(REGEX REPLACE "\\." "_" TMP ${${PREFIX}_LIBNAMES})
terom@59:     set(${PREFIX}_LIBNAMES ${${PREFIX}_LIBNAMES} ${TMP})
terom@59:   endif(${ARGC} GREATER 2)
terom@59:   find_library(${PREFIX}_LIBRARY
terom@59:     NAMES ${${PREFIX}_LIBNAMES}
terom@59:     PATHS ${${PREFIX}_PKGCONF_LIBRARY_DIRS}
terom@59:   )
terom@59: endmacro(libfind_library)
terom@59: