/[zanavi_public1]/navit/cmake/LibFindMacros.cmake
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Contents of /navit/cmake/LibFindMacros.cmake

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Revision 2 - (show annotations) (download)
Fri Oct 28 21:19:04 2011 UTC (8 years, 9 months ago) by zoff99
File size: 4130 byte(s)
import files
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

   
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