1 # Works the same as find_package, but forwards the "REQUIRED" and "QUIET" arguments 2 # used for the current package. For this to work, the first parameter must be the 3 # prefix of the current package, then the prefix of the new package etc, which are 4 # passed to find_package. 5 macro (libfind_package PREFIX) 6 set (LIBFIND_PACKAGE_ARGS ${ARGN}) 7 if (${PREFIX}_FIND_QUIETLY) 8 set (LIBFIND_PACKAGE_ARGS ${LIBFIND_PACKAGE_ARGS} QUIET) 9 endif (${PREFIX}_FIND_QUIETLY) 10 if (${PREFIX}_FIND_REQUIRED) 11 set (LIBFIND_PACKAGE_ARGS ${LIBFIND_PACKAGE_ARGS} REQUIRED) 12 endif (${PREFIX}_FIND_REQUIRED) 13 find_package(${LIBFIND_PACKAGE_ARGS}) 14 endmacro (libfind_package) 15 16 # CMake developers made the UsePkgConfig system deprecated in the same release (2.6) 17 # where they added pkg_check_modules. Consequently I need to support both in my scripts 18 # to avoid those deprecated warnings. Here's a helper that does just that. 19 # Works identically to pkg_check_modules, except that no checks are needed prior to use. 20 macro (libfind_pkg_check_modules PREFIX PKGNAME) 21 if (${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 4) 22 include(UsePkgConfig) 23 pkgconfig(${PKGNAME} ${PREFIX}_INCLUDE_DIRS ${PREFIX}_LIBRARY_DIRS ${PREFIX}_LDFLAGS ${PREFIX}_CFLAGS) 24 else (${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 4) 25 find_package(PkgConfig) 26 if (PKG_CONFIG_FOUND) 27 pkg_check_modules(${PREFIX} ${PKGNAME}) 28 endif (PKG_CONFIG_FOUND) 29 endif (${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 4) 30 endmacro (libfind_pkg_check_modules) 31 32 # Do the final processing once the paths have been detected. 33 # If include dirs are needed, ${PREFIX}_PROCESS_INCLUDES should be set to contain 34 # all the variables, each of which contain one include directory. 35 # Ditto for ${PREFIX}_PROCESS_LIBS and library files. 36 # Will set ${PREFIX}_FOUND, ${PREFIX}_INCLUDE_DIRS and ${PREFIX}_LIBRARIES. 37 # Also handles errors in case library detection was required, etc. 38 macro (libfind_process PREFIX) 39 # Skip processing if already processed during this run 40 if (NOT ${PREFIX}_FOUND) 41 # Start with the assumption that the library was found 42 set (${PREFIX}_FOUND TRUE) 43 44 # Process all includes and set _FOUND to false if any are missing 45 foreach (i ${${PREFIX}_PROCESS_INCLUDES}) 46 if (${i}) 47 set (${PREFIX}_INCLUDE_DIRS ${${PREFIX}_INCLUDE_DIRS} ${${i}}) 48 mark_as_advanced(${i}) 49 else (${i}) 50 set (${PREFIX}_FOUND FALSE) 51 endif (${i}) 52 endforeach (i) 53 54 # Process all libraries and set _FOUND to false if any are missing 55 foreach (i ${${PREFIX}_PROCESS_LIBS}) 56 if (${i}) 57 set (${PREFIX}_LIBRARIES ${${PREFIX}_LIBRARIES} ${${i}}) 58 mark_as_advanced(${i}) 59 else (${i}) 60 set (${PREFIX}_FOUND FALSE) 61 endif (${i}) 62 endforeach (i) 63 64 # Print message and/or exit on fatal error 65 if (${PREFIX}_FOUND) 66 if (NOT ${PREFIX}_FIND_QUIETLY) 67 message (STATUS "Found ${PREFIX} ${${PREFIX}_VERSION}") 68 endif (NOT ${PREFIX}_FIND_QUIETLY) 69 else (${PREFIX}_FOUND) 70 if (${PREFIX}_FIND_REQUIRED) 71 foreach (i ${${PREFIX}_PROCESS_INCLUDES} ${${PREFIX}_PROCESS_LIBS}) 72 message("${i}=${${i}}") 73 endforeach (i) 74 message (FATAL_ERROR "Required library ${PREFIX} NOT FOUND.\nInstall the library (dev version) and try again. If the library is already installed, use ccmake to set the missing variables manually.") 75 endif (${PREFIX}_FIND_REQUIRED) 76 endif (${PREFIX}_FOUND) 77 endif (NOT ${PREFIX}_FOUND) 78 endmacro (libfind_process) 79 80 macro(libfind_library PREFIX basename) 81 set(TMP "") 82 if(MSVC80) 83 set(TMP -vc80) 84 endif(MSVC80) 85 if(MSVC90) 86 set(TMP -vc90) 87 endif(MSVC90) 88 set(${PREFIX}_LIBNAMES ${basename}${TMP}) 89 if(${ARGC} GREATER 2) 90 set(${PREFIX}_LIBNAMES ${basename}${TMP}-${ARGV2}) 91 string(REGEX REPLACE "\\." "_" TMP ${${PREFIX}_LIBNAMES}) 92 set(${PREFIX}_LIBNAMES ${${PREFIX}_LIBNAMES} ${TMP}) 93 endif(${ARGC} GREATER 2) 94 find_library(${PREFIX}_LIBRARY 95 NAMES ${${PREFIX}_LIBNAMES} 96 PATHS ${${PREFIX}_PKGCONF_LIBRARY_DIRS} 97 ) 98 endmacro(libfind_library) 99 100
