$NetBSD: patch-bin_ant,v 1.1 2023/02/16 10:32:36 abs Exp $

Adjust to use the pkgsrc ${PREFIX}/bin/java wrapper by default,
but still allow overriding with either of JAVACMD or JAVA_HOME.
The latter is particularly important for other pkgsrc packages
which use ant to build and may require a specific jdk (java-jna)

--- bin/ant.orig	2023-01-04 09:33:13.000000000 +0000
+++ bin/ant
@@ -115,6 +115,11 @@ if $rpm_mode; then
   fi
 fi
 
+# pkgsrc: use ${PREFIX}/bin/java (wrapper)
+if [ -z "$JAVA_HOME" ] && [ -z "$JAVACMD" ] && [ -x @PREFIX@/bin/java ]; then
+  JAVACMD=@PREFIX@/bin/java
+fi
+
 # OS specific support.  $var _must_ be set to either true or false.
 cygwin=false;
 darwin=false;
@@ -172,7 +177,7 @@ if $mingw; then
 fi
 
 # set ANT_LIB location
-ANT_LIB="${ANT_HOME}/lib"
+ANT_LIB="${ANT_HOME}/lib/java/ant"
 
 if [ -z "$JAVACMD" ]; then
   if [ -n "$JAVA_HOME" ]; then