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download PDF document: pkgconf.1.pdf

PKGCONF(1) FreeBSD General Commands Manual PKGCONF(1)
NAME pkgconf - a system for configuring build dependency information
SYNOPSIS pkgconf [options] [list of modules]
DESCRIPTION pkgconf is a program which helps to configure compiler and linker flags for development libraries. This allows build systems to detect other dependencies and use them with the system toolchain.
GENERAL OPTIONS --version Display the supported pkg-config version and exit.
--atleast-pkgconfig-version=VERSION Exit with error if we do not support the requested pkg-config version.
--errors-to-stdout Print all errors on the main output stream instead of the error output stream.
--silence-errors Do not display any errors at all.
--list-all Walk all directories listed in the PKG_CONFIG_PATH environmental variable and display information on packages which have registered information there.
--simulate Simulates resolving a dependency graph based on the requested modules on the command line. Dumps a series of trees denoting pkgconf's resolver state.
--no-cache Skip caching packages when they are loaded into the internal resolver. This may result in an alternate dependency graph being computed.
--ignore-conflicts Ignore `Conflicts' rules in modules.
--env-only Learn about pkgconf's configuration strictly from environmental variables.
--validate package ... Validate specific `.pc' files for correctness.
--maximum-traverse-depth=DEPTH Impose a limit on the allowed depth in the dependency graph. For example, a depth of 2 will restrict the resolver from acting on child dependencies of modules added to the resolver's solution.
--static --pure Treats the computed dependency graph as if it were pure. This is mainly intended for use with the --static flag.
--no-provides Ignore `Provides' rules in modules when resolving dependencies.
--with-path=PATH Adds a new module search path to pkgconf's dependency resolver. Paths added in this way are given preference before other paths.
--define-prefix Attempts to determine the prefix variable to use for CFLAGS and LIBS entry relocations. This is mainly useful for platforms where framework SDKs are relocatable, such as Windows.
--dont-define-prefix Disables the `define-prefix' feature.
--prefix-variable=VARIABLE Sets the `prefix' variable used by the `define-prefix' feature.
--relocate=PATH Relocates a path using the pkgconf_path_relocate API. This is mainly used by the testsuite to provide a guaranteed interface to the system's path relocation backend.
--dont-relocate-paths Disables the path relocation feature.
MODULE-SPECIFIC OPTIONS --atleast-version=VERSION Exit with error if a module's version is less than the specified version.
--exact-version=VERSION Exit with error if a module's version is not exactly the specified version.
--max-version=VERSION Exit with error if a module's version is greater than the specified version.
--exists Exit with a non-zero result if the dependency resolver was unable to find all of the requested modules.
--uninstalled Exit with a non-zero result if the dependency resolver uses an `uninstalled' module as part of its solution.
--no-uninstalled Forbids the dependency resolver from considering 'uninstalled' modules as part of a solution.
QUERY-SPECIFIC OPTIONS --cflags, --cflags-only-I, --cflags-only-other Display either all CFLAGS, only -I CFLAGS or only CFLAGS that are not -I.

--define-variable=VARNAME=VALUE Define VARNAME as VALUE. Variables are used in query output, and some modules' results may change based on the presence of a variable definition.
--print-variables Print all seen variables for a module to the output channel.
--print-provides Print all relevant `Provides' entries for a module to the output channel.
--variable=VARNAME Print the value of VARNAME.
--print-requires, --print-requires-private Print the modules included in either the Requires field or the Requires.private field.
--digraph Dump the dependency resolver's solution as a graphviz `dot' file. This can be used with graphviz to visualize module interdependencies.
--path Display the filenames of the `.pc' files used by the dependency resolver for a given dependency set.
--env=VARNAME Print the requested values as variable declarations in a similar format as the env(1) command.
--fragment-filter=TYPES Filter the fragment lists for the specified types.
--modversion Print the version of the queried module.
ENVIRONMENT PKG_CONFIG_PATH List of secondary directories where `.pc' files are looked up.
PKG_CONFIG_LIBDIR List of primary directories where `.pc' files are looked up.
PKG_CONFIG_SYSROOT_DIR `sysroot' directory, will be prepended to every path defined in PKG_CONFIG_PATH. Useful for cross compilation.
PKG_CONFIG_TOP_BUILD_DIR Provides an alternative setting for the `pc_top_builddir' global variable.
PKG_CONFIG_PURE_DEPGRAPH If set, enables the same behaviour as the --pure flag.
PKG_CONFIG_SYSTEM_INCLUDE_PATH List of paths that are considered system include paths by the toolchain. This is a pkgconf-specific extension.
PKG_CONFIG_LOG `logfile' which is used for dumping audit information concerning installed module versions.
PKG_CONFIG_DEBUG_SPEW If set, enables additional debug logging. The format of the debug log messages is implementation-specific.
PKG_CONFIG_DONT_RELOCATE_PATHS If set, disables the path relocation feature.
PKG_CONFIG_MSVC_SYNTAX If set, uses MSVC syntax for fragments.
PKG_CONFIG_FDO_SYSROOT_RULES If set, follow the sysroot prefixing rules that freedesktop.org pkg-config uses.
DESTDIR If set to PKG_CONFIG_SYSROOT_DIR, assume that PKG_CONFIG_FDO_SYSROOT_RULES is set.
EXAMPLES Displaying the CFLAGS of a package: $ pkgconf --cflags foo -fPIC -I/usr/include/foo
SEE ALSO pc(5), pkg.m4(7)
FreeBSD 14.0-RELEASE-p6 November 15, 2016 FreeBSD 14.0-RELEASE-p6