gnu: gobject-introspection: Update to 1.44.0.

* gnu/packages/glib.scm (gobject-introspection): Update to 1.44.0.
  [source]: Use mirror://gnome.
  [arguments]<#:phases>: Remove.
* gnu/packages/patches/gobject-introspection-cc.patch: Rewrite to
  set os.environ['CC'] in 'giscanner/__init__.py'.

gnu/packages/glib.scm

@@ -207,14 +207,14 @@ dynamic loading, and an object system.")
 (define gobject-introspection
   (package
     (name "gobject-introspection")
-    (version "1.42.0")
+    (version "1.44.0")
     (source (origin
              (method url-fetch)
-             (uri (string-append "http://ftp.gnome.org/pub/GNOME/sources/"
+             (uri (string-append "mirror://gnome/sources/"
                    "gobject-introspection/" (version-major+minor version)
                    "/gobject-introspection-" version ".tar.xz"))
              (sha256
-              (base32 "1xwm7wmr9r9wp6xljb3bckx3a4siybavaq39w46ly7gpskxfv8iv"))
+              (base32 "1b972qg2yb51sdavfvb6kc19akwc15c1bwnbg81vadxamql2q33g"))
              (patches (list
                        (search-patch "gobject-introspection-cc.patch")
                        (search-patch
@@ -243,14 +243,7 @@ dynamic loading, and an object system.")
     (arguments
      `(;; The patch 'gobject-introspection-absolute-shlib-path.patch' causes
        ;; some tests to fail.
-       #:tests? #f
+       #:tests? #f))
-       #:phases
-        (alist-cons-before
-         'configure 'patch-paths
-         (lambda _
-           (substitute* "giscanner/sourcescanner.py"
-             (("GUIX_GCC_PATH") (which "gcc"))))
-         %standard-phases)))
     (home-page "https://wiki.gnome.org/GObjectIntrospection")
     (synopsis "Generate interface introspection data for GObject libraries")
     (description

gnu/packages/patches/gobject-introspection-cc.patch

@@ -1,14 +1,11 @@
---- a/giscanner/sourcescanner.py	2013-12-15 23:03:54.002937000 +0100
+Use gcc as the default C compiler if CC is not set.
-+++ b/giscanner/sourcescanner.py	2013-12-15 23:04:50.322937000 +0100
+
-@@ -277,6 +277,11 @@
+
-         defines = ['__GI_SCANNER__']
+--- gobject-introspection-1.44.0.orig/giscanner/__init__.py	2014-08-04 22:37:07.000000000 +0800
-         undefs = []
++++ gobject-introspection-1.44.0/giscanner/__init__.py	2015-04-20 17:30:26.507697234 +0800
-         cpp_args = os.environ.get('CC', 'cc').split()  # support CC="ccache gcc"
+@@ -22,3 +22,5 @@
-+        if (cpp_args == ['cc'] and
+ builddir = os.environ.get('UNINSTALLED_INTROSPECTION_BUILDDIR')
-+            not any(map(lambda x: os.access(os.path.join(x, 'cc'), os.X_OK),
+ if builddir is not None:
-+                        os.environ.get('PATH').split(':')))):
+     __path__.append(os.path.join(builddir, 'giscanner'))
-+            cpp_args = ['GUIX_GCC_PATH']
++if not 'CC' in os.environ:
-+
++    os.environ['CC'] = 'gcc'
-         if 'cl' in cpp_args:
-             # The Microsoft compiler/preprocessor (cl) does not accept
-             # source input from stdin (the '-' flag), so we need