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Diffstat (limited to 'find-modules/FindLibExiv2.cmake')
| -rw-r--r-- | find-modules/FindLibExiv2.cmake | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/find-modules/FindLibExiv2.cmake b/find-modules/FindLibExiv2.cmake new file mode 100644 index 00000000..935cee2c --- /dev/null +++ b/find-modules/FindLibExiv2.cmake @@ -0,0 +1,115 @@ +#.rst: +# FindLibExiv2 +# ------------ +# +# Try to find the Exiv2 library. +# +# This will define the following variables: +# +# ``LibExiv2_FOUND`` +# System has LibExiv2. +# +# ``LibExiv2_VERSION`` +# The version of LibExiv2. +# +# ``LibExiv2_INCLUDE_DIRS`` +# This should be passed to target_include_directories() if +# the target is not used for linking. +# +# ``LibExiv2_LIBRARIES`` +# The LibExiv2 library. +# This can be passed to target_link_libraries() instead of +# the ``LibExiv2::LibExiv2`` target +# +# If ``LibExiv2_FOUND`` is TRUE, the following imported target +# will be available: +# +# ``LibExiv2::LibExiv2`` +# The Exiv2 library +# +# Since 5.53.0. +# +#============================================================================= +# Copyright (c) 2018, Christophe Giboudeaux, <christophe@krop.fr> +# Copyright (c) 2010, Alexander Neundorf, <neundorf@kde.org> +# Copyright (c) 2008, Gilles Caulier, <caulier.gilles@gmail.com> +# +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# 1. Redistributions of source code must retain the copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# 3. The name of the author may not be used to endorse or promote products +# derived from this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR +# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES +# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, +# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT +# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF +# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +#============================================================================= + +find_package(PkgConfig QUIET) +pkg_check_modules(PC_EXIV2 QUIET exiv2) + +find_path(LibExiv2_INCLUDE_DIRS NAMES exiv2/exif.hpp + HINTS ${PC_EXIV2_INCLUDEDIR} +) + +find_library(LibExiv2_LIBRARIES NAMES exiv2 libexiv2 + HINTS ${PC_EXIV2_LIBRARY_DIRS} +) + +set(LibExiv2_VERSION ${PC_EXIV2_VERSION}) + +if(NOT LibExiv2_VERSION AND DEFINED LibExiv2_INCLUDE_DIRS) + # With exiv >= 0.27, the version #defines are in exv_conf.h instead of version.hpp + foreach(_exiv2_version_file "version.hpp" "exv_conf.h") + if(EXISTS "${LibExiv2_INCLUDE_DIRS}/exiv2/${_exiv2_version_file}") + file(READ "${LibExiv2_INCLUDE_DIRS}/exiv2/${_exiv2_version_file}" _exiv_version_file_content) + string(REGEX MATCH "#define EXIV2_MAJOR_VERSION[ ]+\\([0-9]+\\)" EXIV2_MAJOR_VERSION_MATCH ${_exiv_version_file_content}) + string(REGEX MATCH "#define EXIV2_MINOR_VERSION[ ]+\\([0-9]+\\)" EXIV2_MINOR_VERSION_MATCH ${_exiv_version_file_content}) + string(REGEX MATCH "#define EXIV2_PATCH_VERSION[ ]+\\([0-9]+\\)" EXIV2_PATCH_VERSION_MATCH ${_exiv_version_file_content}) + if(EXIV2_MAJOR_VERSION_MATCH) + string(REGEX REPLACE ".*_MAJOR_VERSION[ ]+\\((.*)\\)" "\\1" EXIV2_MAJOR_VERSION ${EXIV2_MAJOR_VERSION_MATCH}) + string(REGEX REPLACE ".*_MINOR_VERSION[ ]+\\((.*)\\)" "\\1" EXIV2_MINOR_VERSION ${EXIV2_MINOR_VERSION_MATCH}) + string(REGEX REPLACE ".*_PATCH_VERSION[ ]+\\((.*)\\)" "\\1" EXIV2_PATCH_VERSION ${EXIV2_PATCH_VERSION_MATCH}) + endif() + endif() + endforeach() + + set(LibExiv2_VERSION "${EXIV2_MAJOR_VERSION}.${EXIV2_MINOR_VERSION}.${EXIV2_PATCH_VERSION}") +endif() + +include(FindPackageHandleStandardArgs) +find_package_handle_standard_args(LibExiv2 + FOUND_VAR LibExiv2_FOUND + REQUIRED_VARS LibExiv2_LIBRARIES LibExiv2_INCLUDE_DIRS + VERSION_VAR LibExiv2_VERSION +) + +mark_as_advanced(LibExiv2_INCLUDE_DIRS LibExiv2_LIBRARIES) + +if(LibExiv2_FOUND AND NOT TARGET LibExiv2::LibExiv2) + add_library(LibExiv2::LibExiv2 UNKNOWN IMPORTED) + set_target_properties(LibExiv2::LibExiv2 PROPERTIES + IMPORTED_LOCATION "${LibExiv2_LIBRARIES}" + INTERFACE_INCLUDE_DIRECTORIES "${LibExiv2_INCLUDE_DIRS}" + ) +endif() + +include(FeatureSummary) +set_package_properties(LibExiv2 PROPERTIES + URL "http://www.exiv2.org" + DESCRIPTION "Image metadata support" +) |