mirror of
https://git.in.rschanz.org/ryan77627/guix.git
synced 2024-12-24 05:18:07 -05:00
gnu: pkg-config: Provide a cross-build-friendly wrapper.
* gnu/packages/pkg-config.scm (pkg-config): Rename to... (%pkg-config): ... this. Make private. (cross-pkg-config, pkg-config-for-target): New procedures. (pkg-config): New macro.
This commit is contained in:
parent
47e74d6e9d
commit
d581acee5b
1 changed files with 51 additions and 2 deletions
|
@ -20,9 +20,11 @@ (define-module (gnu packages pkg-config)
|
|||
#:use-module (guix licenses)
|
||||
#:use-module (guix packages)
|
||||
#:use-module (guix download)
|
||||
#:use-module (guix build-system gnu))
|
||||
#:use-module (guix build-system gnu)
|
||||
#:use-module (guix build-system trivial)
|
||||
#:export (pkg-config))
|
||||
|
||||
(define-public pkg-config
|
||||
(define %pkg-config
|
||||
(package
|
||||
(name "pkg-config")
|
||||
(version "0.27.1")
|
||||
|
@ -53,3 +55,50 @@ (define-public pkg-config
|
|||
on where to find glib (or other libraries). It is language-agnostic, so
|
||||
it can be used for defining the location of documentation tools, for
|
||||
instance.")))
|
||||
|
||||
(define (cross-pkg-config target)
|
||||
"Return a pkg-config for TARGET, essentially just a wrapper called
|
||||
`TARGET-pkg-config', as `configure' scripts like it."
|
||||
;; See <http://www.flameeyes.eu/autotools-mythbuster/pkgconfig/cross-compiling.html>
|
||||
;; for details.
|
||||
(package (inherit %pkg-config)
|
||||
(name (string-append (package-name %pkg-config) "-" target))
|
||||
(build-system trivial-build-system)
|
||||
(arguments
|
||||
`(#:modules ((guix build utils))
|
||||
#:builder (begin
|
||||
(use-modules (guix build utils))
|
||||
|
||||
(let* ((out (assoc-ref %outputs "out"))
|
||||
(bin (string-append out "/bin"))
|
||||
(prog (string-append ,target "-pkg-config"))
|
||||
(native
|
||||
(string-append
|
||||
(assoc-ref %build-inputs "pkg-config")
|
||||
"/bin/pkg-config")))
|
||||
|
||||
(mkdir-p bin)
|
||||
|
||||
;; Create a `TARGET-pkg-config' -> `pkg-config' symlink.
|
||||
;; This satisfies the pkg.m4 macros, which use
|
||||
;; AC_PROG_TOOL to determine the `pkg-config' program
|
||||
;; name.
|
||||
(symlink native (string-append bin "/" prog))))))
|
||||
(native-inputs `(("pkg-config" ,%pkg-config)))
|
||||
|
||||
;; Ignore native inputs, and set `PKG_CONFIG_PATH' for target inputs.
|
||||
(native-search-paths '())
|
||||
(search-paths (package-native-search-paths %pkg-config))))
|
||||
|
||||
(define (pkg-config-for-target target)
|
||||
"Return a pkg-config package for TARGET, which may be either #f for a native
|
||||
build, or a GNU triplet."
|
||||
(if target
|
||||
(cross-pkg-config target)
|
||||
%pkg-config))
|
||||
|
||||
;; This hack allows us to automatically choose the native or the cross
|
||||
;; `pkg-config' depending on whether it's being used in a cross-build
|
||||
;; environment or not.
|
||||
(define-syntax pkg-config
|
||||
(identifier-syntax (pkg-config-for-target (%current-target-system))))
|
||||
|
|
Loading…
Reference in a new issue