1openexr_dep = dependency('OpenEXR', modules: ['OpenEXR::IlmImf'], required: get_option('openexr')) 2 3if openexr_dep.found() 4 openexr_override_options = [] 5 # Older versions of openexr fail to build with -Werror when using GCC >= 9.2 6 # and Clang >= 6 because it uses deprecated C++98 syntax. Explicitly pass 7 # -std=c++98 in those cases. Just checking the openexr version is not enough 8 # because distros (such as Ubuntu 18.04) have backported patches due to which 9 # older openexr versions now require C++11. 10 if openexr_dep.version().version_compare('< 2.4.0') 11 # Check whether using the openexr headers with -Werror causes an error 12 if cxx.has_argument('-Werror') and cxx.check_header('ImfRgbaFile.h', dependencies: openexr_dep) 13 if not cxx.check_header('ImfRgbaFile.h', dependencies: openexr_dep, args: '-Werror') 14 # If setting -std to c++98 fixes it, use that! Else, warn. 15 if cxx.check_header('ImfRgbaFile.h', dependencies: openexr_dep, args: ['-Werror', '-std=c++98']) 16 openexr_override_options = ['cpp_std=c++98'] 17 else 18 warning('openexr headers can\'t be included with \'-Werror\', and no workaround found') 19 endif 20 endif 21 endif 22 endif 23 24 gstopenexr = library('gstopenexr', 25 'gstopenexr.c', 26 'gstopenexrdec.cpp', 27 c_args: gst_plugins_bad_args, 28 cpp_args: gst_plugins_bad_args, 29 link_args: noseh_link_args, 30 include_directories: [configinc, libsinc], 31 dependencies: [gstvideo_dep, openexr_dep], 32 override_options: openexr_override_options, 33 install: true, 34 install_dir: plugins_install_dir, 35 ) 36 pkgconfig.generate(gstopenexr, install_dir: plugins_pkgconfig_install_dir) 37 plugins += [gstopenexr] 38endif 39