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#
# Find the GMIC includes and library
#
# This module defines
# GMIC_INCLUDE_DIR, where to find *.h etc
# GMIC_LIBRARY, the libraries
# GMIC_FOUND, If false, do not try to use GMIC.
set(GMIC_VERSION_NEEDED 270)
set(GMIC_DEPENDENCIES_FOUND TRUE)
include(LibFindMacros)
# Use pkg-config to get hints about paths
libfind_pkg_check_modules(GMIC_PKGCONF GMIC)
# Include dir
find_path(GMIC_INCLUDE_DIR
NAMES gmic.h
HINTS ${GMIC_PKGCONF_INCLUDE_DIRS}
PATH_SUFFIXES GMIC
)
# Finally the library itself
find_library(GMIC_LIBRARY
NAMES gmic
HINTS ${GMIC_PKGCONF_LIBRARY_DIRS}
)
if(GMIC_LIBRARY AND GMIC_INCLUDE_DIR)
set(CMAKE_REQUIRED_INCLUDES ${GMIC_INCLUDE_DIR})
check_cxx_source_compiles("
#include <gmic.h>
#if gmic_version < ${GMIC_VERSION_NEEDED} || gmic_version >= 1000
#error OLD_VERSION
#endif
int main() { return 0; }
" GMIC_VERSION_OK)
if(NOT GMIC_VERSION_OK)
message(STATUS "Found GMIC but version < ${GMIC_VERSION_NEEDED}. Compressed lut will not be available")
else()
if(WIN32)
find_library(FFTW_LIBRARY NAMES fftw3)
if(NOT FFTW_LIBRARY)
message(STATUS "missing GMIC dependency fftw3")
else()
list(APPEND GMIC_LIBRARY ${FFTW_LIBRARY})
endif(NOT FFTW_LIBRARY)
# workaround for msys2 gmic 2.9.0-3. Should be reviewed when gmic 2.9.3 is available
find_library(OPENCV_CORE_LIBRARY NAMES opencv_core)
find_library(OPENCV_VIDEOIO_LIBRARY NAMES opencv_videoio)
if(NOT OPENCV_CORE_LIBRARY OR NOT OPENCV_VIDEOIO_LIBRARY)
message(STATUS "missing GMIC dependencies OpenCV")
set(GMIC_DEPENDENCIES_FOUND FALSE)
else()
list(APPEND GMIC_LIBRARY ${OPENCV_CORE_LIBRARY})
list(APPEND GMIC_LIBRARY ${OPENCV_VIDEOIO_LIBRARY})
endif(NOT OPENCV_CORE_LIBRARY OR NOT OPENCV_VIDEOIO_LIBRARY)
endif(WIN32)
# workaround for msys2 gmic 2.9.0-3. Should be reviewed when gmic 2.9.3 is available
if(GMIC_DEPENDENCIES_FOUND)
# Set the include dir variables and the libraries and let libfind_process do the rest.
# NOTE: Singular variables for this library, plural for libraries this lib depends on.
set(GMIC_PROCESS_INCLUDES ${GMIC_INCLUDE_DIR})
set(GMIC_PROCESS_LIBS ${GMIC_LIBRARY})
libfind_process(GMIC)
if(GMIC_FOUND)
set(GMIC_INCLUDE_DIRS ${GMIC_INCLUDE_DIR})
set(GMIC_LIBRARIES ${GMIC_LIBRARY})
else()
message(STATUS "GMIC not found")
endif(GMIC_FOUND)
else()
message(STATUS "GMIC dependencies not found")
endif(GMIC_DEPENDENCIES_FOUND)
endif(NOT GMIC_VERSION_OK)
else()
message(STATUS "GMIC not found")
endif(GMIC_LIBRARY AND GMIC_INCLUDE_DIR)
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