# 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) SET(THREE_PART_VERSION_REGEX "[0-9]+\\.[0-9]+\\.[0-9]+") # Breaks up a string in the form n1.n2.n3 into three parts and stores # them in major, minor, and patch. version should be a value, not a # variable, while major, minor and patch should be variables. MACRO(THREE_PART_VERSION_TO_VARS version major minor patch) IF(${version} MATCHES ${THREE_PART_VERSION_REGEX}) STRING(REPLACE "." " " version_list ${version}) SEPARATE_ARGUMENTS(version_list) LIST(GET version_list 0 ${major}) LIST(GET version_list 1 ${minor}) LIST(GET version_list 2 ${patch}) ELSE(${version} MATCHES ${THREE_PART_VERSION_REGEX}) MESSAGE("MACRO(THREE_PART_VERSION_TO_VARS ${version} ${major} ${minor} ${patch}") MESSAGE(FATAL_ERROR "Problem parsing version string, I can't parse it properly.") ENDIF(${version} MATCHES ${THREE_PART_VERSION_REGEX}) ENDMACRO(THREE_PART_VERSION_TO_VARS)