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

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Revision 56 - (hide annotations) (download)
Sun Mar 19 08:44:36 2017 UTC (3 years, 7 months ago) by zoff99
File size: 4229 byte(s)
updates
1 zoff99 56 # 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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