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