pkgconf

Find and manage compiler flags and library metadata for C/C++ projects

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Package compiler and linker metadata toolkit

pkgconfpkg-config

get compiler flags for a library$ pkgconf --cflags openssl

get linker flags for a library$ pkgconf --libs openssl

check if a library is installed and get its version$ pkgconf --modversion openssl

get both compiler and linker flags at once$ pkgconf --cflags --libs openssl zlib

list all installed packages with their versions$ pkgconf --list-all