![]() ![]() This metadata is stored in pkg-config files. The primary use of pkg-config is to provide the necessary details for compiling and linking a program to a library. The pkg-config program is used to retrieve information about installed libraries in the system. In that case, it's necessary to prepend the search path so that pkg-config can locate the. However, some local modules may be installed in a different prefix such as /usr/local. This will usually cover system installed modules. On a typical Unix system, it will search in the directories /usr/lib/pkgconfig and /usr/share/pkgconfig. ![]() This variable is used to augment pkg-config's default search path. PKG_CONFIG_PATH is a environment variable that specifies additional paths in which pkg-config will search for its. To check this you can run: > pkg-config libheif -variable builtin_h265_decoder The important thing, and where it went wrong for me a few times, was to check that libheif is working correctly with libde265. > export PKG_CONFIG_PATH=/usr/local/lib/pkgconfig This is a little more involved than just using a package manager unfortunately, but it's not too difficult when you get the right configure options. Next you need to build libheif and libde265. References & Additional Information Install libheif and libde265 Ideally: bzlib freetype heic jng jpeg png tiff webp x zip zlib TIP: Make sure DELEGATES lists heic, jpeg and webp configure will find the locally compiled libheif.pc package configuration files.
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