Add vi_cv_dll_name_perl to pass libperl.dylib path

Author: splhack

src/auto/configure

@@ -5755,7 +5755,13 @@ $as_echo ">>> too old; need Perl version 5.003_01 or later <<<" >&6; }
     if test "$perl_ok" = "yes" -a "X$libperl" != "X"; then
       $as_echo "#define DYNAMIC_PERL 1" >>confdefs.h
 
-      PERL_CFLAGS="-DDYNAMIC_PERL_DLL=\\\"$libperl\\\" $PERL_CFLAGS"
+      if ${vi_cv_dll_name_perl+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  vi_cv_dll_name_perl="$libperl"
+fi
+
+      PERL_CFLAGS="-DDYNAMIC_PERL_DLL=\\\"$vi_cv_dll_name_perl\\\" $PERL_CFLAGS"
     fi
   fi
 

src/configure.in

@@ -1051,7 +1051,8 @@ if test "$enable_perlinterp" = "yes" -o "$enable_perlinterp" = "dynamic"; then
   if test "$enable_perlinterp" = "dynamic"; then
     if test "$perl_ok" = "yes" -a "X$libperl" != "X"; then
       AC_DEFINE(DYNAMIC_PERL)
-      PERL_CFLAGS="-DDYNAMIC_PERL_DLL=\\\"$libperl\\\" $PERL_CFLAGS"
+      AC_CACHE_VAL(vi_cv_dll_name_perl, [vi_cv_dll_name_perl="$libperl"])
+      PERL_CFLAGS="-DDYNAMIC_PERL_DLL=\\\"$vi_cv_dll_name_perl\\\" $PERL_CFLAGS"
     fi
   fi