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download PDF document: g-ir-scanner.1.pdf

G-IR-SCANNER(1) G-IR-SCANNER(1)
NAME g-ir-scanner - Extracting C metadata from sources and headers
SYNOPSIS g-ir-scanner [OPTION...] FILES...
DESCRIPTION g-ir-scanner is a tool which generates GIR XML files by parsing headers and introspecting GObject based libraries. It is usually invoked during the normal build step for a project and the information is saved to disk and later installed, so that language bindings and other applications can use it. Header files and source files are passed in as arguments on the command line. The suffix determines whether a file be treated as a source file (.c) or a header file (.h). Currently only C based libraries are supported by the scanner.
OPTIONS
--help Show help options
--quiet If passed, do not print details of normal operation.
--warn-all Display warnings for public API which is not introspectable.
--warn-error Make warnings be fatal errors.
--strict Display warnings for strict introspectable API.
--format=FORMAT This parameters decides which the resulting format will be used. The default value is gir.
--include=NAME Add the specified introspection dependency to the scanned namespace. NAME is of the form NAMESPACE-VERSION, like Gtk-3.0.
--include-uninstalled=PATH Add the specified introspection dependency to the scanned namespace. This differs from --include in that it takes a file path, and does not process the pkg-config dependencies (since they may not be installed yet).
--add-include-path=PATH Add a directory to the path which the scanner uses to find GIR files. Can be used multiple times to specify multiple directories
-i,--library=LIBRARY Specifies a library that will be introspected. This means that the *_get_type() functions in it will be called for GObject data types. The name of the library should not contain the leading lib prefix nor the ending shared library suffix.
for header files. You need to pass to the scanner all the directories you'd normally pass to the compiler when using the specified source files.
--c-include=C_INCLUDES Headers which should be included in C programs. This option can be specified multiple times to include more than one header.
-n,--namespace=NAME The namespace name. This name should be capitalized, eg the first letter should be upper case. Examples: Gtk, Clutter, WebKit.
--no-libtool Disable usage of libtool for compiling stub introspection binary. Use this if your build system does not require libtool.
--libtool Full path to libtool executable. Typically used for Automake systems.
--nsversion=VERSION The namespace version. For instance 1.0. This is usually the platform version, eg 2.0 for Gtk+, not 2.12.7.
-p,--program=PROGRAM Specifies a binary that will be introspected. This means that the *_get_type() functions in it will be called for GObject data types. The binary must be modified to take a --introspect-dump= option, and to pass the argument to this function to g_irepository_dump.
--program-arg=ARG Additional argument to pass to program for introspection.
--identifier-prefix=PREFIX This option may be specified multiple times. Each one gives a prefix that will be stripped from all C identifiers. If none specified, the namespace will be used. Eg, an identifier prefix of Foo will export the identifier typdef struct _FooBar FooBar; as Foo.Bar.
--symbol-prefix=PREFIX This option may be specified multiple times. Each one gives a prefix that will be stripped from all C symbols. Eg, an symbol prefix of foo will export the symbol foo_bar_do_something as Foo.Bar.do_something.
--accept-unprefixed If specified, the scanner will accept identifiers and symbols which do not match the namespace prefix. Try to avoid using this if possible.
--output=FILENAME Name of the file to output. Normally namespace + format extension. Eg, GLib-2.0.gir.
--pkg=PACKAGE List of pkg-config packages to get compiler and linker flags specified with --pkg= will be used.
--compiler=COMPILER The C compiler to be used internally by g-ir-scanner when introspecting the run time type information, like properties, signals, ancestors, and implemented interfaces. It has the same semantics as the CC environment variable.
--verbose Be verbose, include some debugging information.
ENVIRONMENT VARIABLES The g-ir-scanner uses the XDG_DATA_DIRS variable to check for dirs, the girs are located in XDG_DATA_DIRS/gir-1.0. It is normally set on a distribution so you shouldn't need to set it yourself.
The variable GI_SCANNER_DISABLE_CACHE ensures that the scanner will not write cache data to $HOME.
The variable GI_SCANNER_DEBUG can be used to debug issues in the build-system that involve g-ir-scanner. When it is set to save-temps, then g-ir-scanner will not remove temporary files and directories after it terminates.
The variable GI_HOST_OS can be used to control the OS name on the host that runs the scanner. It has the same semantics as the Python os.name property.
The variable GI_CROSS_LAUNCHER can be used to wrap the GType introspection binary generated by g-ir-scanner before executing it. It is useful when generating introspection data in a cross-compilation environment.
BUGS Report bugs at https://gitlab.gnome.org/GNOME/gobject-introspection/issues
HOMEPAGE AND CONTACT https://gi.readthedocs.io/
AUTHORS Johan Dahlin
G-IR-SCANNER(1)