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| -rw-r--r-- | modules/FindExiv2.cmake | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/modules/FindExiv2.cmake b/modules/FindExiv2.cmake new file mode 100644 index 00000000..bca87294 --- /dev/null +++ b/modules/FindExiv2.cmake @@ -0,0 +1,82 @@ +# - Try to find the Exiv2 library +# Once done this will define +# +# EXIV2_FOUND - system has libexiv2 +# EXIV2_INCLUDE_DIR - the libexiv2 include directory +# EXIV2_LIBRARIES - Link these to use libexiv2 +# EXIV2_DEFINITIONS - Compiler switches required for using libexiv2 +# + +if (EXIV2_INCLUDE_DIR AND EXIV2_LIBRARIES) + + # in cache already + SET(EXIV2_FOUND TRUE) + +else (EXIV2_INCLUDE_DIR AND EXIV2_LIBRARIES) + if (NOT WIN32) + # use pkg-config to get the directories and then use these values + # in the FIND_PATH() and FIND_LIBRARY() calls + INCLUDE(UsePkgConfig) + + PKGCONFIG(exiv2 _EXIV2IncDir _EXIV2LinkDir _EXIV2LinkFlags _EXIV2Cflags) + + if(_EXIV2LinkFlags) + # query pkg-config asking for a Exiv2 >= 0.12 + EXEC_PROGRAM(${PKGCONFIG_EXECUTABLE} ARGS --atleast-version=0.12 exiv2 RETURN_VALUE _return_VALUE OUTPUT_VARIABLE _pkgconfigDevNull ) + if(_return_VALUE STREQUAL "0") + message(STATUS "Found Exiv2 release >= 0.12") + set(EXIV2_VERSION_GOOD_FOUND TRUE) + else(_return_VALUE STREQUAL "0") + message(FATAL_ERROR "Found Exiv2 release < 0.12") + endif(_return_VALUE STREQUAL "0") + else(_EXIV2LinkFlags) + set(EXIV2_FOUND FALSE) + set(EXIV2_VERSION_GOOD_FOUND FALSE) + message(FATAL_ERROR "Cannot find Exiv2 library!") + endif(_EXIV2LinkFlags) + + else(NOT WIN32) + #Better check + set(EXIV2_VERSION_GOOD_FOUND TRUE) + endif (NOT WIN32) + + if(EXIV2_VERSION_GOOD_FOUND) + set(EXIV2_DEFINITIONS ${_EXIV2Cflags}) + + FIND_PATH(EXIV2_INCLUDE_DIR exiv2/exif.hpp + ${_EXIV2IncDir} + /usr/include + /usr/local/include + ) + + FIND_LIBRARY(EXIV2_LIBRARIES NAMES exiv2 libexiv2 + PATHS + ${_EXIV2LinkDir} + /usr/lib + /usr/local/lib + ) + + if (EXIV2_INCLUDE_DIR AND EXIV2_LIBRARIES) + set(EXIV2_FOUND TRUE) + endif (EXIV2_INCLUDE_DIR AND EXIV2_LIBRARIES) + + if (EXIV2_FOUND) + if (NOT Exiv2_FIND_QUIETLY) + message(STATUS "Found Exiv2: ${EXIV2_LIBRARIES}") + endif (NOT Exiv2_FIND_QUIETLY) + else (EXIV2_FOUND) + if (Exiv2_FIND_REQUIRED) + if (NOT EXIV2_INCLUDE_DIR) + message(FATAL_ERROR "Could NOT find Exiv2 header files") + endif (NOT EXIV2_INCLUDE_DIR) + if (NOT EXIV2_LIBRARIES) + message(FATAL_ERROR "Could NOT find Exiv2 library") + endif (NOT EXIV2_LIBRARIES) + endif (Exiv2_FIND_REQUIRED) + endif (EXIV2_FOUND) + endif(EXIV2_VERSION_GOOD_FOUND) + + MARK_AS_ADVANCED(EXIV2_INCLUDE_DIR EXIV2_LIBRARIES) + +endif (EXIV2_INCLUDE_DIR AND EXIV2_LIBRARIES) + |