cmake/FindCairo.cmake

   1 # - Try to find the CAIRO library
   2 # Once done this will define
   3 #
   4 #  CAIRO_ROOT_DIR - Set this variable to the root installation of CAIRO
   5 #
   6 # Read-Only variables:
   7 #  CAIRO_FOUND - system has the CAIRO library
   8 #  CAIRO_INCLUDE_DIR - the CAIRO include directory
   9 #  CAIRO_LIBRARIES - The libraries needed to use CAIRO
  10 #  CAIRO_VERSION - This is set to $major.$minor.$revision (eg. 0.9.8)
  11
  12 #=============================================================================
  13 # Copyright 2012 Dmitry Baryshnikov <polimax at mail dot ru>
  14 #
  15 # Distributed under the OSI-approved BSD License (the "License");
  16 # see accompanying file Copyright.txt for details.
  17 #
  18 # This software is distributed WITHOUT ANY WARRANTY; without even the
  19 # implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  20 # See the License for more information.
  21 #=============================================================================
  22 # (To distribute this file outside of CMake, substitute the full
  23 #  License text for the above reference.)
  24
  25 find_package(PkgConfig)
  26
  27 if(PKG_CONFIG_FOUND)
  28     pkg_check_modules(_CAIRO cairo)
  29 endif (PKG_CONFIG_FOUND)
  30
  31 SET(_CAIRO_ROOT_HINTS
  32   $ENV{CAIRO}
  33   ${CAIRO_ROOT_DIR}
  34   )
  35 SET(_CAIRO_ROOT_PATHS
  36   $ENV{CAIRO}/src
  37   /usr
  38   /usr/local
  39   )
  40 SET(_CAIRO_ROOT_HINTS_AND_PATHS
  41   HINTS ${_CAIRO_ROOT_HINTS}
  42   PATHS ${_CAIRO_ROOT_PATHS}
  43   )
  44
  45 FIND_PATH(CAIRO_INCLUDE_DIR
  46   NAMES
  47     cairo.h
  48   HINTS
  49     ${_CAIRO_INCLUDEDIR}
  50   ${_CAIRO_ROOT_HINTS_AND_PATHS}
  51   PATH_SUFFIXES
  52     include
  53     "include/cairo"
  54 )
  55
  56 IF(NOT PKGCONFIG_FOUND AND WIN32 AND NOT CYGWIN)
  57   # MINGW should go here too
  58   IF(MSVC)
  59     # Implementation details:
  60     # We are using the libraries located in the VC subdir instead of the parent directory eventhough :
  61     FIND_LIBRARY(CAIRO_DEBUG
  62       NAMES
  63         cairod
  64       ${_CAIRO_ROOT_HINTS_AND_PATHS}
  65       PATH_SUFFIXES
  66         "lib"
  67         "VC"
  68         "lib/VC"
  69     )
  70
  71     FIND_LIBRARY(CAIRO_RELEASE
  72       NAMES
  73         cairo
  74       ${_CAIRO_ROOT_HINTS_AND_PATHS}
  75       PATH_SUFFIXES
  76         "lib"
  77         "VC"
  78         "lib/VC"
  79     )
  80
  81     if( CMAKE_CONFIGURATION_TYPES OR CMAKE_BUILD_TYPE )
  82         if(NOT CAIRO_DEBUG)
  83             set(CAIRO_DEBUG ${CAIRO_RELEASE})
  84         endif(NOT CAIRO_DEBUG)
  85       set( CAIRO_LIBRARIES
  86         optimized ${CAIRO_RELEASE} debug ${CAIRO_DEBUG}
  87         )
  88     else()
  89       set( CAIRO_LIBRARIES ${CAIRO_RELEASE})
  90     endif()
  91     MARK_AS_ADVANCED(CAIRO_DEBUG CAIRO_RELEASE)
  92   ELSEIF(MINGW)
  93     # same player, for MingW
  94     FIND_LIBRARY(CAIRO
  95       NAMES
  96         cairo
  97       ${_CAIRO_ROOT_HINTS_AND_PATHS}
  98       PATH_SUFFIXES
  99         "lib"
 100         "lib/MinGW"
 101     )
 102
 103     MARK_AS_ADVANCED(CAIRO)
 104     set( CAIRO_LIBRARIES ${CAIRO})
 105   ELSE(MSVC)
 106     # Not sure what to pick for -say- intel, let's use the toplevel ones and hope someone report issues:
 107     FIND_LIBRARY(CAIRO
 108       NAMES
 109         cairo
 110       HINTS
 111         ${_CAIRO_LIBDIR}
 112       ${_CAIRO_ROOT_HINTS_AND_PATHS}
 113       PATH_SUFFIXES
 114         lib
 115     )
 116
 117     MARK_AS_ADVANCED(CAIRO)
 118     set( CAIRO_LIBRARIES ${CAIRO} )
 119   ENDIF(MSVC)
 120 ELSE()
 121
 122   FIND_LIBRARY(CAIRO_LIBRARY
 123     NAMES
 124         cairo
 125     HINTS
 126       ${_CAIRO_LIBDIR}
 127     ${_CAIRO_ROOT_HINTS_AND_PATHS}
 128     PATH_SUFFIXES
 129       "lib"
 130       "local/lib"
 131   )
 132
 133   MARK_AS_ADVANCED(CAIRO_LIBRARY)
 134
 135   # compat defines
 136   SET(CAIRO_LIBRARIES ${CAIRO_LIBRARY})
 137
 138 ENDIF()
 139
 140 #message( STATUS "Cairo_FIND_VERSION=${Cairo_FIND_VERSION}.")
 141 #message( STATUS "CAIRO_INCLUDE_DIR=${CAIRO_INCLUDE_DIR}.")
 142
 143 # Fetch version from cairo-version.h if a version was requested by find_package()
 144 if(CAIRO_INCLUDE_DIR AND Cairo_FIND_VERSION)
 145   file(READ "${CAIRO_INCLUDE_DIR}/cairo-version.h" _CAIRO_VERSION_H_CONTENTS)
 146   string(REGEX REPLACE "^(.*\n)?#define[ \t]+CAIRO_VERSION_MAJOR[ \t]+([0-9]+).*"
 147          "\\2" CAIRO_VERSION_MAJOR ${_CAIRO_VERSION_H_CONTENTS})
 148   string(REGEX REPLACE "^(.*\n)?#define[ \t]+CAIRO_VERSION_MINOR[ \t]+([0-9]+).*"
 149          "\\2" CAIRO_VERSION_MINOR ${_CAIRO_VERSION_H_CONTENTS})
 150   string(REGEX REPLACE "^(.*\n)?#define[ \t]+CAIRO_VERSION_MICRO[ \t]+([0-9]+).*"
 151          "\\2" CAIRO_VERSION_MICRO ${_CAIRO_VERSION_H_CONTENTS})
 152   set(CAIRO_VERSION ${CAIRO_VERSION_MAJOR}.${CAIRO_VERSION_MINOR}.${CAIRO_VERSION_MICRO}
 153       CACHE INTERNAL "The version number for Cairo libraries")
 154 endif()
 155
 156 include(FindPackageHandleStandardArgs)
 157
 158 find_package_handle_standard_args(Cairo
 159   REQUIRED_VARS
 160     CAIRO_LIBRARIES
 161     CAIRO_INCLUDE_DIR
 162   VERSION_VAR
 163     CAIRO_VERSION
 164 )
 165
 166 MARK_AS_ADVANCED(CAIRO_INCLUDE_DIR CAIRO_LIBRARIES)