terom@6: # Works the same as find_package, but forwards the "REQUIRED" and "QUIET" arguments
terom@6: # used for the current package. For this to work, the first parameter must be the
terom@6: # prefix of the current package, then the prefix of the new package etc, which are
terom@6: # passed to find_package.
terom@6: macro (libfind_package PREFIX)
terom@6:   set (LIBFIND_PACKAGE_ARGS ${ARGN})
terom@6:   if (${PREFIX}_FIND_QUIETLY)
terom@6:     set (LIBFIND_PACKAGE_ARGS ${LIBFIND_PACKAGE_ARGS} QUIET)
terom@6:   endif (${PREFIX}_FIND_QUIETLY)
terom@6:   if (${PREFIX}_FIND_REQUIRED)
terom@6:     set (LIBFIND_PACKAGE_ARGS ${LIBFIND_PACKAGE_ARGS} REQUIRED)
terom@6:   endif (${PREFIX}_FIND_REQUIRED)
terom@6:   find_package(${LIBFIND_PACKAGE_ARGS})
terom@6: endmacro (libfind_package)
terom@6: 
terom@6: # Damn CMake developers made the UsePkgConfig system deprecated in the same release (2.6)
terom@6: # where they added pkg_check_modules. Consequently I need to support both in my scripts
terom@6: # to avoid those deprecated warnings. Here's a helper that does just that.
terom@6: # Works identically to pkg_check_modules, except that no checks are needed prior to use.
terom@6: macro (libfind_pkg_check_modules PREFIX PKGNAME)
terom@6:   if (${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 4)
terom@6:     include(UsePkgConfig)
terom@6:     pkgconfig(${PKGNAME} ${PREFIX}_INCLUDE_DIRS ${PREFIX}_LIBRARY_DIRS ${PREFIX}_LDFLAGS ${PREFIX}_CFLAGS)
terom@6:   else (${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 4)
terom@6:     find_package(PkgConfig)
terom@6:     if (PKG_CONFIG_FOUND)
terom@6:       pkg_check_modules(${PREFIX} ${PKGNAME})
terom@6:     endif (PKG_CONFIG_FOUND)
terom@6:   endif (${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 4)
terom@6: endmacro (libfind_pkg_check_modules)
terom@6: 
terom@6: # Do the final processing once the paths have been detected.
terom@6: # If include dirs are needed, ${PREFIX}_PROCESS_INCLUDES should be set to contain
terom@6: # all the variables, each of which contain one include directory.
terom@6: # Ditto for ${PREFIX}_PROCESS_LIBS and library files.
terom@6: # Will set ${PREFIX}_FOUND, ${PREFIX}_INCLUDE_DIRS and ${PREFIX}_LIBRARIES.
terom@6: # Also handles errors in case library detection was required, etc.
terom@6: macro (libfind_process PREFIX)
terom@6:   # Skip processing if already processed during this run
terom@6:   if (NOT ${PREFIX}_FOUND)
terom@6:     # Start with the assumption that the library was found
terom@6:     set (${PREFIX}_FOUND TRUE)
terom@6: 
terom@6:     # Process all includes and set _FOUND to false if any are missing
terom@6:     foreach (i ${${PREFIX}_PROCESS_INCLUDES})
terom@6:       if (${i})
terom@6:         set (${PREFIX}_INCLUDE_DIRS ${${PREFIX}_INCLUDE_DIRS} ${${i}})
saiam@9:         mark_as_advanced(${i})
terom@6:       else (${i})
terom@6:         set (${PREFIX}_FOUND FALSE)
terom@6:       endif (${i})
terom@6:     endforeach (i)
terom@6: 
terom@6:     # Process all libraries and set _FOUND to false if any are missing
terom@6:     foreach (i ${${PREFIX}_PROCESS_LIBS})
terom@6:       if (${i})
terom@6:         set (${PREFIX}_LIBRARIES ${${PREFIX}_LIBRARIES} ${${i}})
saiam@9:         mark_as_advanced(${i})
terom@6:       else (${i})
terom@6:         set (${PREFIX}_FOUND FALSE)
terom@6:       endif (${i})
terom@6:     endforeach (i)
terom@6: 
terom@6:     # Print message and/or exit on fatal error
terom@6:     if (${PREFIX}_FOUND)
terom@6:       if (NOT ${PREFIX}_FIND_QUIETLY)
saiam@9:         message (STATUS "Found ${PREFIX} ${${PREFIX}_VERSION}")
terom@6:       endif (NOT ${PREFIX}_FIND_QUIETLY)
terom@6:     else (${PREFIX}_FOUND)
terom@6:       if (${PREFIX}_FIND_REQUIRED)
terom@6:         foreach (i ${${PREFIX}_PROCESS_INCLUDES} ${${PREFIX}_PROCESS_LIBS})
terom@6:           message("${i}=${${i}}")
terom@6:         endforeach (i)
terom@6:         message (FATAL_ERROR "Required library ${PREFIX} NOT FOUND.\nInstall the library (dev version) and try again. If the library is already installed, use ccmake to set the missing variables manually.")
terom@6:       endif (${PREFIX}_FIND_REQUIRED)
terom@6:     endif (${PREFIX}_FOUND)
terom@6:   endif (NOT ${PREFIX}_FOUND)
terom@6: endmacro (libfind_process)
terom@6: 
saiam@9: macro(libfind_library PREFIX basename)
saiam@9:   set(TMP "")
saiam@9:   if(MSVC80)
saiam@9:     set(TMP -vc80)
saiam@9:   endif(MSVC80)
saiam@9:   if(MSVC90)
saiam@9:     set(TMP -vc90)
saiam@9:   endif(MSVC90)
saiam@9:   set(${PREFIX}_LIBNAMES ${basename}${TMP})
saiam@9:   if(${ARGC} GREATER 2)
saiam@9:     set(${PREFIX}_LIBNAMES ${basename}${TMP}-${ARGV2})
saiam@9:     string(REGEX REPLACE "\\." "_" TMP ${${PREFIX}_LIBNAMES})
saiam@9:     set(${PREFIX}_LIBNAMES ${${PREFIX}_LIBNAMES} ${TMP})
saiam@9:   endif(${ARGC} GREATER 2)
saiam@9:   find_library(${PREFIX}_LIBRARY
saiam@9:     NAMES ${${PREFIX}_LIBNAMES}
saiam@9:     PATHS ${${PREFIX}_PKGCONF_LIBRARY_DIRS}
saiam@9:   )
saiam@9: endmacro(libfind_library)
saiam@9: