| Alexandre Lision | 51140e1 | 2013-12-02 10:54:09 -0500 | [diff] [blame] | 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 | |