pkg-config --version (return code: 0)
0.29.1
pkg-config --help (return code: 0)
Usage:
pkg-config [OPTION...]
Help Options:
-h, --help Show help options
Application Options:
--version output version of pkg-config
--modversion output version for package
--atleast-pkgconfig-version=VERSION require given version of pkg-config
--libs output all linker flags
--static output linker flags for static linking
--short-errors print short errors
--libs-only-l output -l flags
--libs-only-other output other libs (e.g. -pthread)
--libs-only-L output -L flags
--cflags output all pre-processor and compiler flags
--cflags-only-I output -I flags
--cflags-only-other output cflags not covered by the cflags-only-I option
--variable=NAME get the value of variable named NAME
--define-variable=NAME=VALUE set variable NAME to VALUE
--exists return 0 if the module(s) exist
--print-variables output list of variables defined by the module
--uninstalled return 0 if the uninstalled version of one or more module(s) or their dependencies will be used
--atleast-version=VERSION return 0 if the module is at least version VERSION
--exact-version=VERSION return 0 if the module is at exactly version VERSION
--max-version=VERSION return 0 if the module is at no newer than version VERSION
--list-all list all known packages
--debug show verbose debug information
--print-errors show verbose information about missing or conflicting packages (default unless --exists or --atleast/exact/max-version given on the command line)
--silence-errors be silent about errors (default when --exists or --atleast/exact/max-version given on the command line)
--errors-to-stdout print errors from --print-errors to stdout not stderr
--print-provides print which packages the package provides
--print-requires print which packages the package requires
--print-requires-private print which packages the package requires for static linking
--validate validate a package's .pc file
--define-prefix try to override the value of prefix for each .pc file found with a guesstimated value based on the location of the .pc file
--dont-define-prefix don't try to override the value of prefix for each .pc file found with a guesstimated value based on the location of the .pc file
--prefix-variable=PREFIX set the name of the variable that pkg-config automatically sets