patch 8.1.0612: cannot use two global runtime dirs with configure

Problem:    Cannot use two global runtime dirs with configure.
Solution:   Support a comma in --with-global-runtime. (James McCoy,
            closes #3704)

Author: brammool

src/Makefile

@@ -317,12 +317,13 @@ CClink = $(CC)
 # You can give a lot of options to configure.
 # Change this to your desire and do 'make config' afterwards
 
-# examples (can only use one!):
-#CONF_ARGS = --exec-prefix=/usr
-#CONF_ARGS = --with-vim-name=vim7 --with-ex-name=ex7 --with-view-name=view7
-#CONF_ARGS = --with-global-runtime=/etc/vim
-#CONF_ARGS = --with-local-dir=/usr/share
-#CONF_ARGS = --without-local-dir
+# examples:
+#CONF_ARGS1 = --exec-prefix=/usr
+#CONF_ARGS2 = --with-vim-name=vim8 --with-ex-name=ex8 --with-view-name=view8
+#CONF_ARGS3 = --with-global-runtime=/etc/vim,/usr/share/vim
+#CONF_ARGS4 = --with-local-dir=/usr/share
+#CONF_ARGS5 = --without-local-dir
+CONF_ARGS = $(CONF_ARGS1) $(CONF_ARGS2) $(CONF_ARGS3) $(CONF_ARGS4) $(CONF_ARGS5)
 
 # Use this one if you distribute a modified version of Vim.
 #CONF_ARGS = --with-modified-by="John Doe"

src/auto/configure

@@ -1533,7 +1533,7 @@ Optional Packages:
   --with-vim-name=NAME    what to call the Vim executable
   --with-ex-name=NAME     what to call the Ex executable
   --with-view-name=NAME   what to call the View executable
-  --with-global-runtime=DIR    global runtime directory in 'runtimepath'
+  --with-global-runtime=DIR    global runtime directory in 'runtimepath', comma-separated for multiple directories
   --with-modified-by=NAME       name of who modified a release version
   --with-features=TYPE    tiny, small, normal, big or huge (default: huge)
   --with-compiledby=NAME  name to show in :version message
@@ -4890,17 +4890,26 @@ $as_echo_n "checking --with-global-runtime argument... " >&6; }
 
 # Check whether --with-global-runtime was given.
 if test "${with_global_runtime+set}" = set; then :
-  withval=$with_global_runtime; { $as_echo "$as_me:${as_lineno-$LINENO}: result: $withval" >&5
-$as_echo "$withval" >&6; }; cat >>confdefs.h <<_ACEOF
-#define RUNTIME_GLOBAL "$withval"
-_ACEOF
-
+  withval=$with_global_runtime; RUNTIME_GLOBAL="$withval"; { $as_echo "$as_me:${as_lineno-$LINENO}: result: $withval" >&5
+$as_echo "$withval" >&6; }
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
 
+if test "X$RUNTIME_GLOBAL" != "X"; then
+  RUNTIME_GLOBAL_AFTER=$(printf -- "$RUNTIME_GLOBAL\\n" | $AWK -F, 'BEGIN { comma=0 } { for (i = NF; i > 0; i--) { if (comma) { printf ",%s/after", $i } else { printf "%s/after", $i; comma=1 } } } END { printf "\n" }')
+  cat >>confdefs.h <<_ACEOF
+#define RUNTIME_GLOBAL "$RUNTIME_GLOBAL"
+_ACEOF
+
+  cat >>confdefs.h <<_ACEOF
+#define RUNTIME_GLOBAL_AFTER "$RUNTIME_GLOBAL_AFTER"
+_ACEOF
+
+fi
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking --with-modified-by argument" >&5
 $as_echo_n "checking --with-modified-by argument... " >&6; }
 

src/config.h.in

@@ -453,9 +453,12 @@
 /* Define if you want to include terminal emulator support. */
 #undef FEAT_TERMINAL
 
-/* Define default global runtime path */
+// Define default global runtime path.
 #undef RUNTIME_GLOBAL
 
+// Define default global runtime after path.
+#undef RUNTIME_GLOBAL_AFTER
+
 /* Define name of who modified a released Vim */
 #undef MODIFIED_BY
 

src/configure.ac

@@ -345,10 +345,16 @@ AC_ARG_WITH(view-name, [  --with-view-name=NAME   what to call the View executab
 AC_SUBST(VIEWNAME)
 
 AC_MSG_CHECKING(--with-global-runtime argument)
-AC_ARG_WITH(global-runtime, [  --with-global-runtime=DIR    global runtime directory in 'runtimepath'],
-	AC_MSG_RESULT($withval); AC_DEFINE_UNQUOTED(RUNTIME_GLOBAL, "$withval"),
+AC_ARG_WITH(global-runtime, [  --with-global-runtime=DIR    global runtime directory in 'runtimepath', comma-separated for multiple directories],
+	RUNTIME_GLOBAL="$withval"; AC_MSG_RESULT($withval),
 	AC_MSG_RESULT(no))
 
+if test "X$RUNTIME_GLOBAL" != "X"; then
+  RUNTIME_GLOBAL_AFTER=$(printf -- "$RUNTIME_GLOBAL\\n" | $AWK -F, 'BEGIN { comma=0 } { for (i = NF; i > 0; i--) { if (comma) { printf ",%s/after", $i } else { printf "%s/after", $i; comma=1 } } } END { printf "\n" }')
+  AC_DEFINE_UNQUOTED(RUNTIME_GLOBAL, "$RUNTIME_GLOBAL")
+  AC_DEFINE_UNQUOTED(RUNTIME_GLOBAL_AFTER, "$RUNTIME_GLOBAL_AFTER")
+fi
+
 AC_MSG_CHECKING(--with-modified-by argument)
 AC_ARG_WITH(modified-by, [  --with-modified-by=NAME       name of who modified a release version],
 	AC_MSG_RESULT($withval); AC_DEFINE_UNQUOTED(MODIFIED_BY, "$withval"),

src/feature.h

@@ -973,13 +973,23 @@
 #endif
 
 /*
- * RUNTIME_GLOBAL	Directory name for global Vim runtime directory.
+ * RUNTIME_GLOBAL	Comma-separated list of directory names for global Vim
+ *			runtime directories.
  *			Don't define this if the preprocessor can't handle
  *			string concatenation.
  *			Also set by "--with-global-runtime" configure argument.
  */
 /* #define RUNTIME_GLOBAL "/etc/vim" */
 
+/*
+ * RUNTIME_GLOBAL_AFTER	Comma-separated list of directory names for global Vim
+ *			runtime after directories.
+ *			Don't define this if the preprocessor can't handle
+ *			string concatenation.
+ *			Also set by "--with-global-runtime" configure argument.
+ */
+/* #define RUNTIME_GLOBAL_AFTER "/etc/vim/after" */
+
 /*
  * MODIFIED_BY		Name of who modified Vim.  Required when distributing
  *			a modified version of Vim.

src/os_unix.h

@@ -369,8 +369,13 @@ typedef struct dsc$descriptor   DESC;
 # define CLEAN_RUNTIMEPATH      "$VIM/vimfiles,$VIMRUNTIME,$VIM/vimfiles/after"
 #else
 # ifdef RUNTIME_GLOBAL
-#  define DFLT_RUNTIMEPATH	"~/.vim," RUNTIME_GLOBAL ",$VIMRUNTIME," RUNTIME_GLOBAL "/after,~/.vim/after"
-#  define CLEAN_RUNTIMEPATH	RUNTIME_GLOBAL ",$VIMRUNTIME," RUNTIME_GLOBAL "/after"
+#  ifdef RUNTIME_GLOBAL_AFTER
+#   define DFLT_RUNTIMEPATH	"~/.vim," RUNTIME_GLOBAL ",$VIMRUNTIME," RUNTIME_GLOBAL_AFTER ",~/.vim/after"
+#   define CLEAN_RUNTIMEPATH	RUNTIME_GLOBAL ",$VIMRUNTIME," RUNTIME_GLOBAL_AFTER
+#  else
+#   define DFLT_RUNTIMEPATH	"~/.vim," RUNTIME_GLOBAL ",$VIMRUNTIME," RUNTIME_GLOBAL "/after,~/.vim/after"
+#   define CLEAN_RUNTIMEPATH	RUNTIME_GLOBAL ",$VIMRUNTIME," RUNTIME_GLOBAL "/after"
+#  endif
 # else
 #  define DFLT_RUNTIMEPATH	"~/.vim,$VIM/vimfiles,$VIMRUNTIME,$VIM/vimfiles/after,~/.vim/after"
 #  define CLEAN_RUNTIMEPATH	"$VIM/vimfiles,$VIMRUNTIME,$VIM/vimfiles/after"

src/version.c

@@ -799,6 +799,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    612,
 /**/
     611,
 /**/