Configure: fixed perl module make rules.

Filename extension used for dynamically loaded perl modules isn't
necessarily ".so" (e.g., it's ".bundle" on Mac OS X).

This fixes "make" after "make" unnecessarily rebuilding perl module.

Author: ru

auto/lib/perl/conf

@@ -40,6 +40,8 @@ if test -n "$NGX_PERL_VER"; then
 
     ngx_perl_ldopts=`$NGX_PERL -MExtUtils::Embed -e ldopts`
 
+    ngx_perl_dlext=`$NGX_PERL -MConfig -e 'print $Config{dlext}'`
+
     if $NGX_PERL -V:usemultiplicity | grep define > /dev/null; then
         have=NGX_HAVE_PERL_MULTIPLICITY . auto/have
         echo " + perl interpreter multiplicity found"
@@ -51,7 +53,7 @@ if test -n "$NGX_PERL_VER"; then
     fi
 
     CORE_LINK="$CORE_LINK $ngx_perl_ldopts"
-    LINK_DEPS="$LINK_DEPS $NGX_OBJS/src/http/modules/perl/blib/arch/auto/nginx/nginx.so"
+    LINK_DEPS="$LINK_DEPS $NGX_OBJS/src/http/modules/perl/blib/arch/auto/nginx/nginx.$ngx_perl_dlext"
 
     if test -n "$NGX_PERL_MODULES"; then
         have=NGX_PERL_MODULES value="(u_char *) \"$NGX_PERL_MODULES\""

auto/lib/perl/make

@@ -5,7 +5,7 @@
 
 cat << END                                                    >> $NGX_MAKEFILE
 
-$NGX_OBJS/src/http/modules/perl/blib/arch/auto/nginx/nginx.so: \\
+$NGX_OBJS/src/http/modules/perl/blib/arch/auto/nginx/nginx.$ngx_perl_dlext: \\
 		\$(CORE_DEPS) \$(HTTP_DEPS) \\
 		src/http/modules/perl/ngx_http_perl_module.h \\
 		$NGX_OBJS/src/http/modules/perl/Makefile