gnu: Add tcc.

* gnu/packages/c.scm: New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add it.

gnu-system.am

@@ -59,6 +59,7 @@ GNU_SYSTEM_MODULES =				\
   gnu/packages/boost.scm			\
   gnu/packages/bootstrap.scm			\
   gnu/packages/busybox.scm			\
+  gnu/packages/c.scm				\
   gnu/packages/calcurse.scm			\
   gnu/packages/ccache.scm			\
   gnu/packages/cdrom.scm			\

gnu/packages/c.scm

@@ -0,0 +1,65 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2016 Ludovic Courtès <ludo@gnu.org>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (gnu packages c)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (guix packages)
+  #:use-module (guix download)
+  #:use-module (guix build-system gnu)
+  #:use-module (gnu packages bootstrap)
+  #:use-module (gnu packages perl)
+  #:use-module (gnu packages texinfo))
+
+(define-public tcc
+  (package
+    (name "tcc")                                  ;aka. "tinycc"
+    (version "0.9.26")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "mirror://savannah/tinycc/tcc-"
+                                  version ".tar.bz2"))
+              (sha256
+               (base32
+                "0wbdbdq6090ayw8bxnbikiv989kykff3m5rzbia05hrnwhd707jj"))))
+    (build-system gnu-build-system)
+    (native-inputs `(("perl" ,perl)
+                     ("texinfo" ,texinfo)))
+    (arguments
+     `(#:configure-flags (list (string-append "--elfinterp="
+                                              (assoc-ref %build-inputs "libc")
+                                              ,(glibc-dynamic-linker))
+                               (string-append "--crtprefix="
+                                              (assoc-ref %build-inputs "libc")
+                                              "/lib")
+                               (string-append "--sysincludepaths="
+                                              (assoc-ref %build-inputs "libc")
+                                              "/include:"
+                                              (assoc-ref %build-inputs
+                                                         "linux-headers")
+                                              "/include:{B}/include")
+                               (string-append "--libpaths="
+                                              (assoc-ref %build-inputs "libc")
+                                              "/lib"))
+       #:test-target "test"))
+    (synopsis "Tiny and fast C compiler")
+    (description
+     "TCC, also referred to as \"TinyCC\", is a small and fast C compiler
+written in C.  It supports ANSI C with GNU and extensions and most of the C99
+standard.")
+    (home-page "http://www.tinycc.org/")
+    (license license:lgpl2.1+)))