# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1607285705 -3600
# Node ID 55f8b7da27f376ddda476d0122ebd560c77c56d6
# Parent  dd0da8e5bf43a2fcb32a47148ca8e7dd3087c85e
patch 8.2.2104: build problem with Ruby 2.7

Commit: https://github.com/vim/vim/commit/d5a986f460019a924627d79350552f446505cffb
Author: Bram Moolenaar <Bram@vim.org>
Date:   Sun Dec 6 21:11:31 2020 +0100

    patch 8.2.2104: build problem with Ruby 2.7

    Problem:    Build problem with Ruby 2.7.
    Solution:   Adjust function declarations. (Ozaki Kiichi, closes https://github.com/vim/vim/issues/7430)

diff --git a/src/auto/configure b/src/auto/configure
--- a/src/auto/configure
+++ b/src/auto/configure
@@ -7617,8 +7617,7 @@ fi
 	librubyarg=`$vi_cv_path_ruby -r rbconfig -e "print $ruby_rbconfig.expand($ruby_rbconfig::CONFIG['LIBRUBYARG'])"`
 	librubya=`$vi_cv_path_ruby -r rbconfig -e "print $ruby_rbconfig.expand($ruby_rbconfig::CONFIG['LIBRUBY_A'])"`
 	rubylibdir=`$vi_cv_path_ruby -r rbconfig -e "print $ruby_rbconfig.expand($ruby_rbconfig::CONFIG['libdir'])"`
-	if test -f "$rubylibdir/$librubya"; then
-	  librubyarg="$librubyarg"
+	if test -f "$rubylibdir/$librubya" || expr "$librubyarg" : "-lruby"; then
 	  RUBY_LIBS="$RUBY_LIBS -L$rubylibdir"
 	elif test "$librubyarg" = "libruby.a"; then
 	  	  librubyarg="-lruby"
diff --git a/src/configure.ac b/src/configure.ac
--- a/src/configure.ac
+++ b/src/configure.ac
@@ -1965,8 +1965,7 @@ if test "$enable_rubyinterp" = "yes" -o 
 	librubyarg=`$vi_cv_path_ruby -r rbconfig -e "print $ruby_rbconfig.expand($ruby_rbconfig::CONFIG[['LIBRUBYARG']])"`
 	librubya=`$vi_cv_path_ruby -r rbconfig -e "print $ruby_rbconfig.expand($ruby_rbconfig::CONFIG[['LIBRUBY_A']])"`
 	rubylibdir=`$vi_cv_path_ruby -r rbconfig -e "print $ruby_rbconfig.expand($ruby_rbconfig::CONFIG[['libdir']])"`
-	if test -f "$rubylibdir/$librubya"; then
-	  librubyarg="$librubyarg"
+	if test -f "$rubylibdir/$librubya" || expr "$librubyarg" : "-lruby"; then
 	  RUBY_LIBS="$RUBY_LIBS -L$rubylibdir"
 	elif test "$librubyarg" = "libruby.a"; then
 	  dnl required on Mac OS 10.3 where libruby.a doesn't exist
diff --git a/src/if_ruby.c b/src/if_ruby.c
--- a/src/if_ruby.c
+++ b/src/if_ruby.c
@@ -1300,13 +1300,19 @@ vim_blob(VALUE self UNUSED, VALUE str)
 }
 
     static VALUE
-buffer_s_current(void)
+buffer_s_current(VALUE self UNUSED)
 {
     return buffer_new(curbuf);
 }
 
     static VALUE
-buffer_s_count(void)
+buffer_s_current_getter(ID id UNUSED, VALUE *x UNUSED)
+{
+    return buffer_new(curbuf);
+}
+
+    static VALUE
+buffer_s_count(VALUE self UNUSED)
 {
     buf_T *b;
     int n = 0;
@@ -1566,7 +1572,13 @@ get_win(VALUE obj)
 }
 
     static VALUE
-window_s_current(void)
+window_s_current(VALUE self UNUSED)
+{
+    return window_new(curwin);
+}
+
+    static VALUE
+window_s_current_getter(ID id UNUSED, VALUE *x UNUSED)
 {
     return window_new(curwin);
 }
@@ -1576,7 +1588,7 @@ window_s_current(void)
  *    SegPhault - 03/07/05
  */
     static VALUE
-line_s_current(void)
+line_s_current(VALUE self UNUSED)
 {
     return get_buffer_line(curbuf, curwin->w_cursor.lnum);
 }
@@ -1588,13 +1600,13 @@ set_current_line(VALUE self UNUSED, VALU
 }
 
     static VALUE
-current_line_number(void)
+current_line_number(VALUE self UNUSED)
 {
     return INT2FIX((int)curwin->w_cursor.lnum);
 }
 
     static VALUE
-window_s_count(void)
+window_s_count(VALUE self UNUSED)
 {
     win_T	*w;
     int n = 0;
@@ -1794,8 +1806,8 @@ ruby_vim_init(void)
     rb_define_method(cVimWindow, "cursor", window_cursor, 0);
     rb_define_method(cVimWindow, "cursor=", window_set_cursor, 1);
 
-    rb_define_virtual_variable("$curbuf", buffer_s_current, 0);
-    rb_define_virtual_variable("$curwin", window_s_current, 0);
+    rb_define_virtual_variable("$curbuf", buffer_s_current_getter, 0);
+    rb_define_virtual_variable("$curwin", window_s_current_getter, 0);
 }
 
     void
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2104,
+/**/
     2103,
 /**/
     2102,