gnu: Add nsis-x86_64 and nsis-i686.

* guix/build-system/scons.scm (scons-build): Add build-targets and
install-targets parameters.
* guix/build/scons-build-system.scm (build, install): Adjust
accordingly.
* doc/guix.texi (Build Systems): Document it.
* gnu/packages/installers.scm: New file,
(make-nsis): New procedure,
(nsis-x86_64, nsis-i686): New variables.
* gnu/packages/patches/nsis-env-passthru.patch: New file.
* gnu/local.mk (dist_patch_DATA, GNU_SYSTEM_MODULES): Adjust
accordingly.

1 files changed, 5 insertions, 4 deletions

diff --git a/guix/build/scons-build-system.scm b/guix/build/scons-build-system.scm
index eb013f03b6..17a0b7b877 100644
--- a/guix/build/scons-build-system.scm
+++ b/guix/build/scons-build-system.scm
@@ -29,7 +29,7 @@
 ;;
 ;; Code:
 
-(define* (build #:key outputs (scons-flags '()) (parallel-build? #t) #:allow-other-keys)
+(define* (build #:key outputs (build-targets '()) (scons-flags '()) (parallel-build? #t) #:allow-other-keys)
   (let ((out (assoc-ref outputs "out")))
     (mkdir-p out)
     (apply invoke "scons"
@@ -37,7 +37,8 @@
                        (list "-j" (number->string
                                    (parallel-job-count)))
                        (list))
-                   scons-flags))))
+                   scons-flags
+                   build-targets))))
 
 (define* (check #:key tests? test-target (scons-flags '()) #:allow-other-keys)
   "Run the test suite of a given SCons application."
@@ -46,9 +47,9 @@
       (format #t "test suite not run~%"))
   #t)
 
-(define* (install #:key outputs (scons-flags '()) #:allow-other-keys)
+(define* (install #:key outputs (install-targets '("install")) (scons-flags '()) #:allow-other-keys)
   "Install a given SCons application."
-  (apply invoke "scons" "install" scons-flags))
+  (apply invoke "scons" (append scons-flags install-targets)))
 
 (define %standard-phases
   (modify-phases gnu:%standard-phases