* gnu/packages/base.scm (libiconv-if-needed): New function.
---
gnu/packages/base.scm | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/gnu/packages/base.scm b/gnu/packages/base.scm
index a476837..fe11a87 100644
--- a/gnu/packages/base.scm
+++ b/gnu/packages/base.scm
@@ -46,7 +46,8 @@
#:use-module (guix build-system gnu)
#:use-module (guix build-system trivial)
#:use-module (ice-9 match)
- #:export (glibc))
+ #:export (glibc
+ libiconv-if-needed))
;;; Commentary:
;;;
@@ -997,6 +998,16 @@ program. It supports a wide variety of different
encodings.")
(home-page "http://www.gnu.org/software/libiconv/";)
(license lgpl3+)))
+(define* (libiconv-if-needed #:optional (target (%current-target-system)))
+ "Return either a libiconv package specification to include in a dependency
+list for platforms that have an incomplete libc, or the empty list. If a
+package needs iconv ,@(libiconv-if-needed) should be added."
+ ;; POSIX C libraries provide iconv. Platforms with an incomplete libc
+ ;; without iconv, such as MinGW, must return the then clause.
+ (if (target-mingw? target)
+ `(("libiconv" ,libiconv))
+ '()))
+
(define-public (canonical-package package)
;; Avoid circular dependency by lazily resolving 'commencement'.
(let* ((iface (resolve-interface '(gnu packages commencement)))
--
2.9.2
