gnu: meson: Update to 0.47.1.

* gnu/packages/build-tools.scm (meson): Update to 0.47.1.
* gnu/packages/patches/meson-for-build-rpath.patch: Adjust to file rename and
indendation change.

gnu/packages/build-tools.scm

@@ -100,7 +100,7 @@ generate such a compilation database.")
 (define-public meson
   (package
     (name "meson")
-    (version "0.46.1")
+    (version "0.47.1")
     (source (origin
               (method url-fetch)
               (uri (string-append "https://github.com/mesonbuild/meson/"
@@ -108,7 +108,7 @@ generate such a compilation database.")
                                   version ".tar.gz"))
               (sha256
                (base32
-                "0y7f5hhy16q99l7x06x8sid9p9dbg6d7i60zs7c07cz5ww1plj8r"))))
+                "19mdap2ncvczajx220bd73xmwhd8x906382y18cn9c5syxwxwwyn"))))
     (build-system python-build-system)
     (arguments
      `(;; FIXME: Tests require many additional inputs, a fix for the RUNPATH

gnu/packages/patches/meson-for-build-rpath.patch

@@ -4,20 +4,21 @@ meson-build-system.
 
 Patch by Peter Mikkelsen <petermikkelsen10@gmail.com>
 
---- meson-0.42.0/mesonbuild/scripts/meson_install.py.orig	2017-09-09 01:49:39.147374148 +0200
-+++ meson-0.42.0/mesonbuild/scripts/meson_install.py	2017-09-09 01:51:01.209134717 +0200
-@@ -391,14 +391,6 @@
-                     print("Symlink creation does not work on this platform. "
-                           "Skipping all symlinking.")
-                     printed_symlink_error = True
--        if os.path.isfile(outname):
--            try:
--                depfixer.fix_rpath(outname, install_rpath, False)
--            except SystemExit as e:
--                if isinstance(e.code, int) and e.code == 0:
--                    pass
--                else:
--                    raise
-
+--- meson-0.42.0/mesonbuild/minstall.py.orig	2017-09-09 01:49:39.147374148 +0200
++++ meson-0.42.0/mesonbuild/minstall.py	2017-09-09 01:51:01.209134717 +0200
+@@ -436,15 +436,6 @@
+                         print("Symlink creation does not work on this platform. "
+                               "Skipping all symlinking.")
+                         printed_symlink_error = True
+-            if os.path.isfile(outname):
+-                try:
+-                    depfixer.fix_rpath(outname, install_rpath, final_path,
+-                                       install_name_mappings, verbose=False)
+-                except SystemExit as e:
+-                    if isinstance(e.code, int) and e.code == 0:
+-                        pass
+-                    else:
+-                        raise
+ 
  def run(args):
-     global install_log_file
+     parser = buildparser()