gnu: Add ccache.

* gnu/packages/ccache.scm: New file.
* gnu/packages/patches/ccache-stdc-predef-test.patch: New patch.
* gnu-system.am (GNU_SYSTEM_MODULES): Add ccache.scm.
  (dist_patch_DATA): Add patch.

3 files changed, 216 insertions, 0 deletions

diff --git a/gnu-system.am b/gnu-system.am
index 36462924c9..66d54cba95 100644
--- a/gnu-system.am
+++ b/gnu-system.am
@@ -43,6 +43,7 @@ GNU_SYSTEM_MODULES =				\
   gnu/packages/boost.scm			\
   gnu/packages/bootstrap.scm			\
   gnu/packages/calcurse.scm			\
+  gnu/packages/ccache.scm			\
   gnu/packages/cdrom.scm			\
   gnu/packages/cflow.scm			\
   gnu/packages/check.scm			\
@@ -264,6 +265,7 @@ dist_patch_DATA =						\
   gnu/packages/patches/binutils-loongson-workaround.patch	\
   gnu/packages/patches/bitlbee-fix-tests.patch			\
   gnu/packages/patches/bitlbee-memset-fix.patch			\
+  gnu/packages/patches/ccache-stdc-predef-test.patch		\
   gnu/packages/patches/cdparanoia-fpic.patch			\
   gnu/packages/patches/clucene-pkgconfig.patch			\
   gnu/packages/patches/cmake-fix-tests.patch			\
diff --git a/gnu/packages/ccache.scm b/gnu/packages/ccache.scm
new file mode 100644
index 0000000000..4918ec9609
--- /dev/null
+++ b/gnu/packages/ccache.scm
@@ -0,0 +1,57 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2014 Eric Bavier <bavier@member.fsf.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 ccache)
+  #:use-module (guix packages)
+  #:use-module ((guix licenses) #:select (gpl3+))
+  #:use-module (guix download)
+  #:use-module (guix build-system gnu)
+  #:use-module (gnu packages)
+  #:use-module (gnu packages perl)
+  #:use-module (gnu packages compression))
+
+(define-public ccache
+  (package
+    (name "ccache")
+    (version "3.1.9")
+    (source
+     (origin
+      (method url-fetch)
+      (uri (string-append "https://www.samba.org/ftp/ccache/ccache-"
+                          version ".tar.xz"))
+      (sha256
+       (base32
+        "1i06015jjc0n55xgvhv2h37fjp0i7z8a10s0v40f87c5mprzv0a9"))
+      (patches (list (search-patch "ccache-stdc-predef-test.patch")))))
+    (build-system gnu-build-system)
+    (native-inputs `(("perl" ,perl)))   ;for test.sh
+    (inputs `(("zlib" ,zlib)))
+    (arguments
+     '(#:phases (alist-cons-before
+                 'check 'patch-test-shebangs
+                 (lambda _
+                   (substitute* '("test/test_hashutil.c" "test.sh")
+                     (("#!/bin/sh") (string-append "#!" (which "sh")))))
+                 %standard-phases)))
+    (home-page "https://ccache.samba.org/")
+    (synopsis "Compiler cache")
+    (description
+     "Ccache is a compiler cache.  It speeds up recompilation by caching
+previous compilations and detecting when the same compilation is being done
+again.  Supported languages are C, C++, Objective-C and Objective-C++.")
+    (license gpl3+)))
diff --git a/gnu/packages/patches/ccache-stdc-predef-test.patch b/gnu/packages/patches/ccache-stdc-predef-test.patch
new file mode 100644
index 0000000000..bd9444c2df
--- /dev/null
+++ b/gnu/packages/patches/ccache-stdc-predef-test.patch
@@ -0,0 +1,157 @@
+This patch is a combination of the following commits::
+
+  https://git.samba.org/?p=ccache.git;a=commit;h=b5d63f81c1a83fd4c50b769a96a04f581b7db70c
+  https://git.samba.org/?p=ccache.git;a=commit;h=a11f5688748ecb49f590b3f4bc0e9b3458f9a56f
+  https://git.samba.org/?p=ccache.git;a=commit;h=5a9322c56ed0cd16255966e99077843aae57ab3e
+
+from the general discussion at
+http://comments.gmane.org/gmane.comp.compilers.ccache/1089
+
+--- a/test.sh
++++ b/test.sh
+@@ -562,6 +562,12 @@
+ EOF
+     backdate test1.h test2.h test3.h
+ 
++    $COMPILER -c -Wp,-MD,expected.d test.c
++    expected_d_content=`cat expected.d`
++
++    $COMPILER -c -Wp,-MMD,expected_mmd.d test.c
++    expected_mmd_d_content=`cat expected_mmd.d`
++
+     ##################################################################
+     # First compilation is a miss.
+     testname="first compilation"
+@@ -677,7 +683,7 @@
+     checkstat 'cache hit (direct)' 0
+     checkstat 'cache hit (preprocessed)' 0
+     checkstat 'cache miss' 1
+-    checkfile other.d "test.o: test.c test1.h test3.h test2.h"
++    checkfile other.d "$expected_d_content"
+ 
+     rm -f other.d
+ 
+@@ -685,7 +691,7 @@
+     checkstat 'cache hit (direct)' 1
+     checkstat 'cache hit (preprocessed)' 0
+     checkstat 'cache miss' 1
+-    checkfile other.d "test.o: test.c test1.h test3.h test2.h"
++    checkfile other.d "$expected_d_content"
+ 
+     rm -f other.d
+ 
+@@ -698,7 +704,7 @@
+     checkstat 'cache hit (direct)' 0
+     checkstat 'cache hit (preprocessed)' 0
+     checkstat 'cache miss' 1
+-    checkfile other.d "test.o: test.c test1.h test3.h test2.h"
++    checkfile other.d "$expected_mmd_d_content"
+ 
+     rm -f other.d
+ 
+@@ -706,7 +712,7 @@
+     checkstat 'cache hit (direct)' 1
+     checkstat 'cache hit (preprocessed)' 0
+     checkstat 'cache miss' 1
+-    checkfile other.d "test.o: test.c test1.h test3.h test2.h"
++    checkfile other.d "$expected_mmd_d_content"
+ 
+     rm -f other.d
+ 
+@@ -760,7 +766,7 @@
+     checkstat 'cache hit (direct)' 0
+     checkstat 'cache hit (preprocessed)' 0
+     checkstat 'cache miss' 1
+-    checkfile test.d "test.o: test.c test1.h test3.h test2.h"
++    checkfile test.d "$expected_d_content"
+ 
+     rm -f test.d
+ 
+@@ -768,7 +774,7 @@
+     checkstat 'cache hit (direct)' 1
+     checkstat 'cache hit (preprocessed)' 0
+     checkstat 'cache miss' 1
+-    checkfile test.d "test.o: test.c test1.h test3.h test2.h"
++    checkfile test.d "$expected_d_content"
+ 
+     ##################################################################
+     # Check the scenario of running a ccache with direct mode on a cache
+@@ -780,7 +786,7 @@
+     checkstat 'cache hit (direct)' 0
+     checkstat 'cache hit (preprocessed)' 0
+     checkstat 'cache miss' 1
+-    checkfile test.d "test.o: test.c test1.h test3.h test2.h"
++    checkfile test.d "$expected_d_content"
+ 
+     rm -f test.d
+ 
+@@ -788,7 +794,7 @@
+     checkstat 'cache hit (direct)' 0
+     checkstat 'cache hit (preprocessed)' 1
+     checkstat 'cache miss' 1
+-    checkfile test.d "test.o: test.c test1.h test3.h test2.h"
++    checkfile test.d "$expected_d_content"
+ 
+     rm -f test.d
+ 
+@@ -796,7 +802,7 @@
+     checkstat 'cache hit (direct)' 0
+     checkstat 'cache hit (preprocessed)' 2
+     checkstat 'cache miss' 1
+-    checkfile test.d "test.o: test.c test1.h test3.h test2.h"
++    checkfile test.d "$expected_d_content"
+ 
+     rm -f test.d
+ 
+@@ -804,7 +810,7 @@
+     checkstat 'cache hit (direct)' 1
+     checkstat 'cache hit (preprocessed)' 2
+     checkstat 'cache miss' 1
+-    checkfile test.d "test.o: test.c test1.h test3.h test2.h"
++    checkfile test.d "$expected_d_content"
+ 
+     ##################################################################
+     # Check that -MF works.
+@@ -815,7 +821,7 @@
+     checkstat 'cache hit (direct)' 0
+     checkstat 'cache hit (preprocessed)' 0
+     checkstat 'cache miss' 1
+-    checkfile other.d "test.o: test.c test1.h test3.h test2.h"
++    checkfile other.d "$expected_d_content"
+ 
+     rm -f other.d
+ 
+@@ -823,7 +829,7 @@
+     checkstat 'cache hit (direct)' 1
+     checkstat 'cache hit (preprocessed)' 0
+     checkstat 'cache miss' 1
+-    checkfile other.d "test.o: test.c test1.h test3.h test2.h"
++    checkfile other.d "$expected_d_content"
+ 
+     ##################################################################
+     # Check that a missing .d file in the cache is handled correctly.
+@@ -835,13 +841,13 @@
+     checkstat 'cache hit (direct)' 0
+     checkstat 'cache hit (preprocessed)' 0
+     checkstat 'cache miss' 1
+-    checkfile other.d "test.o: test.c test1.h test3.h test2.h"
++    checkfile other.d "$expected_d_content"
+ 
+     $CCACHE $COMPILER -c -MD test.c
+     checkstat 'cache hit (direct)' 1
+     checkstat 'cache hit (preprocessed)' 0
+     checkstat 'cache miss' 1
+-    checkfile other.d "test.o: test.c test1.h test3.h test2.h"
++    checkfile other.d "$expected_d_content"
+ 
+     find $CCACHE_DIR -name '*.d' -exec rm -f '{}' \;
+ 
+@@ -849,7 +855,7 @@
+     checkstat 'cache hit (direct)' 1
+     checkstat 'cache hit (preprocessed)' 1
+     checkstat 'cache miss' 1
+-    checkfile other.d "test.o: test.c test1.h test3.h test2.h"
++    checkfile other.d "$expected_d_content"
+ 
+     ##################################################################
+     # Check that stderr from both the preprocessor and the compiler is emitted