patch 8.2.2104: build problem with Ruby 2.7
Problem: Build problem with Ruby 2.7.
Solution: Adjust function declarations. (Ozaki Kiichi, closes #7430)
diff --git a/src/configure.ac b/src/configure.ac
index 4b6794a..062c75a 100644
--- a/src/configure.ac
+++ b/src/configure.ac
@@ -1965,8 +1965,7 @@
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