gnu: make-glibc-locales: Adjust patch for glibc 2.29.

The patch for glibc 2.28 and earlier replaces the same content, but the context
in the patch is different enough to fail to merge.

* gnu/packages/base.scm (make-glibc-locales)[source]: Add patch.
* gnu/packages/patches/glibc-locales.patch: Adjust for glibc 2.29 and move old
file...
* gnu/packages/patches/glibc-locales-2.28.patch: ...here.
* gnu/local.mk (dist_patch_DATA): Add it.

gnu/local.mk

@@ -867,6 +867,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/glibc-hurd-magic-pid.patch		\
   %D%/packages/patches/glibc-ldd-x86_64.patch			\
   %D%/packages/patches/glibc-locales.patch			\
+  %D%/packages/patches/glibc-locales-2.28.patch			\
   %D%/packages/patches/glibc-o-largefile.patch			\
   %D%/packages/patches/glibc-reinstate-prlimit64-fallback.patch	\
   %D%/packages/patches/glibc-vectorized-strcspn-guards.patch	\

gnu/packages/base.scm

@@ -999,7 +999,14 @@ with the Linux kernel.")
     (inherit glibc)
     (name "glibc-locales")
     (source (origin (inherit (package-source glibc))
-                    (patches (cons (search-patch "glibc-locales.patch")
+                    ;; The patch for glibc 2.28 and earlier replaces the same
+                    ;; content, but the context in the patch is different
+                    ;; enough to fail to merge.
+                    (patches (cons (search-patch
+                                    (if (version>=? (package-version glibc)
+                                                    "2.29")
+                                        "glibc-locales.patch"
+                                        "glibc-locales-2.28.patch"))
                                    (origin-patches (package-source glibc))))))
     (synopsis "All the locales supported by the GNU C Library")
     (description

gnu/packages/patches/glibc-locales-2.28.patch

@@ -0,0 +1,31 @@
+This patch allows us to use glibc's build system to build locales
+in a package separate from glibc.
+
+  1. Use 'localedef' from $PATH since we are not rebuilding it.
+  2. Use '--no-archive' to avoid building the big locale archive, and
+     because the already-built 'localedef' would want to write it
+     to '/run/current-system/locale', which is not possible.
+  3. Pass $(inst_complocaledir)/$$locale to install files in the right
+     place, and because otherwise, 'localedef' fails with:
+     "cannot write output files to `(null)'".
+
+--- glibc-2.27/localedata/Makefile
++++ glibc-2.27/localedata/Makefile
+@@ -199,7 +199,7 @@ INSTALL-SUPPORTED-LOCALES=$(addprefix install-, $(SUPPORTED-LOCALES))
+ 
+ # Sometimes the whole collection of locale files should be installed.
+ LOCALEDEF=I18NPATH=. GCONV_PATH=$(common-objpfx)iconvdata LC_ALL=C \
+-$(rtld-prefix) $(common-objpfx)locale/localedef
++  localedef --no-archive
+ install-locales: $(INSTALL-SUPPORTED-LOCALES)
+ 
+ install-locales-dir:
+@@ -224,7 +224,7 @@ $(INSTALL-SUPPORTED-LOCALES): install-locales-dir
+ 	input=`echo $$locale | sed 's/\([^.]*\)[^@]*\(.*\)/\1\2/'`; \
+ 	$(LOCALEDEF) $$flags --alias-file=../intl/locale.alias \
+ 		     -i locales/$$input -f charmaps/$$charset \
+-		     $(addprefix --prefix=,$(install_root)) $$locale \
++		     $(addprefix --prefix=,$(install_root)) $(inst_complocaledir)/$$locale \
+ 	&& echo ' done'; \
+ 
+ tst-setlocale-ENV = LC_ALL=ja_JP.EUC-JP

gnu/packages/patches/glibc-locales.patch

@@ -9,23 +9,24 @@ in a package separate from glibc.
      place, and because otherwise, 'localedef' fails with:
      "cannot write output files to `(null)'".
 
---- glibc-2.27/localedata/Makefile
+diff -ru glibc-2.29-old/localedata/Makefile glibc-2.29-new/localedata/Makefile
-+++ glibc-2.27/localedata/Makefile
+--- glibc-2.29-old/localedata/Makefile	2019-01-31 11:45:36.000000000 -0500
-@@ -199,7 +199,7 @@ INSTALL-SUPPORTED-LOCALES=$(addprefix install-, $(SUPPORTED-LOCALES))
++++ glibc-2.29-new/localedata/Makefile	2019-07-03 22:48:35.662015071 -0400
+@@ -385,7 +385,7 @@
  
  # Sometimes the whole collection of locale files should be installed.
  LOCALEDEF=I18NPATH=. GCONV_PATH=$(common-objpfx)iconvdata LC_ALL=C \
 -$(rtld-prefix) $(common-objpfx)locale/localedef
 +  localedef --no-archive
- install-locales: $(INSTALL-SUPPORTED-LOCALES)
+ install-locales: install-locale-archive
  
- install-locales-dir:
+ # Create and install the locale-archive file.
-@@ -224,7 +224,7 @@ $(INSTALL-SUPPORTED-LOCALES): install-locales-dir
+@@ -414,7 +414,7 @@
  	input=`echo $$locale | sed 's/\([^.]*\)[^@]*\(.*\)/\1\2/'`; \
  	$(LOCALEDEF) $$flags --alias-file=../intl/locale.alias \
  		     -i locales/$$input -f charmaps/$$charset \
 -		     $(addprefix --prefix=,$(install_root)) $$locale \
 +		     $(addprefix --prefix=,$(install_root)) $(inst_complocaledir)/$$locale \
- 	&& echo ' done'; \
+ 	&& echo ' done';
+ endef
  
- tst-setlocale-ENV = LC_ALL=ja_JP.EUC-JP