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gnu: pkg-config: Memoize 'cross-pkg-config'.

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When running:

  guix build --target=arm-linux-gnueabihf gdb -nd

this reduces the number of hits in the 'add-data-to-store' cache from
205 (25%) to 163 (21%).

* gnu/packages/pkg-config.scm (cross-pkg-config): Turn into an 'mlambda'.
This commit is contained in:
Ludovic Courtès 2019-11-07 10:30:41 +01:00
parent 537b2daba9
commit 7de9471707
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GPG key ID: 090B11993D9AEBB5
1 changed files with 35 additions and 32 deletions
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67
gnu/packages/pkg-config.scm
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@ -22,6 +22,7 @@ (define-module (gnu packages pkg-config)
#:use-module (guix download)
#:use-module (guix build-system gnu)
#:use-module (guix build-system trivial)
#:use-module (guix memoization)
#:export (pkg-config))
;; This is the "primitive" pkg-config package. People should use `pkg-config'
@ -65,44 +66,46 @@ (define-public %pkg-config
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
(define cross-pkg-config
(mlambda (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))
;; 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* ((in (assoc-ref %build-inputs "pkg-config"))
(out (assoc-ref %outputs "out"))
(bin (string-append out "/bin"))
(prog (string-append ,target "-pkg-config"))
(native (string-append in "/bin/pkg-config")))
(let* ((in (assoc-ref %build-inputs "pkg-config"))
(out (assoc-ref %outputs "out"))
(bin (string-append out "/bin"))
(prog (string-append ,target "-pkg-config"))
(native (string-append in "/bin/pkg-config")))
(mkdir-p bin)
(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))
;; 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))
;; Also make 'pkg.m4' available, some packages might
;; expect it.
(mkdir-p (string-append out "/share"))
(symlink (string-append in "/share/aclocal")
(string-append out "/share/aclocal"))
#t))))
(native-inputs `(("pkg-config" ,%pkg-config)))
;; Also make 'pkg.m4' available, some packages might
;; expect it.
(mkdir-p (string-append out "/share"))
(symlink (string-append in "/share/aclocal")
(string-append out "/share/aclocal"))
#t))))
(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))))
;; 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