From d1da4b5fb6468bdad40989ad2fc0403579902c51 Mon Sep 17 00:00:00 2001
From: Herve Quiroz <hq@FreeBSD.org>
Date: Sun, 7 Nov 2004 00:51:53 +0000
Subject: Additional error checking: check for defined variables that should
 not be. With this patch, for instance:

$ cd /usr/port/devel/apache-ant
$ make JAVA_HOME=toto

apache-ant-1.6.2: Environement error: "JAVA_HOME" should not be defined.
*** Error code 1

PR:		70914
Reported by:	Rong-En Fan <rafan@infor.org>
Approved by:	glewis (co-maintainer)
---
 Mk/bsd.java.mk | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Mk/bsd.java.mk b/Mk/bsd.java.mk
index a1a542aabfc2..b54c3644e9aa 100644
--- a/Mk/bsd.java.mk
+++ b/Mk/bsd.java.mk
@@ -291,6 +291,15 @@ check-makevars::
 
 # From here, the port is using bsd.java.mk v2.0
 
+# Error checking: defined JAVA_{HOME,PORT,PORT_VERSION,PORT_VENDOR,PORT_OS}
+.		for variable in JAVA_HOME JAVA_PORT JAVA_PORT_VERSION JAVA_PORT_VENDOR JAVA_PORT_OS
+.			if defined(${variable})
+check-makevars::
+	@${ECHO_CMD} "${PKGNAME}: Environement error: \"${variable}\" should not be defined."
+	@${FALSE}
+.			endif
+.		endfor
+
 # Error checking: JAVA_VERSION
 _JAVA_VERSION_LIST_REGEXP!=		${ECHO_CMD} "${_JAVA_VERSION_LIST}" | ${SED} "s/ /\\\|/g"
 _ERROR_CHECKING_JAVA_VERSION!=	${ECHO_CMD} "${JAVA_VERSION}" | ${TR} " " "\n" \
-- 
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