25 files changed, 100 insertions, 0 deletions

diff --git a/devel/autoconf213/Makefile b/devel/autoconf213/Makefile
index 600cafb0e211..051ace52e0e9 100644
--- a/devel/autoconf213/Makefile
+++ b/devel/autoconf213/Makefile
@@ -28,6 +28,10 @@ CONFIGURE_ENV=	M4=${LOCALBASE}/bin/gm4
 CONFIGURE_ARGS=	--program-suffix=213 --datadir=${PREFIX}/share/autoconf213
 WRKSRC=		${WRKDIR}/autoconf
 
+.if defined(USE_AUTOCONF) || defined(USE_AUTOCONF_VER)
+.error You have `USE_AUTOCONF' or `USE_AUTOCONF_VER' variables defined either in environment or in make(1) arguments. Please undefine and try again.
+.endif
+
 post-patch:
 	@-${RM} ${WRKSRC}/*.info*
 
diff --git a/devel/automake/Makefile b/devel/automake/Makefile
index 6bdf74a777bd..a63c7ea3d63d 100644
--- a/devel/automake/Makefile
+++ b/devel/automake/Makefile
@@ -21,6 +21,10 @@ WRKSRC=		${WRKDIR}/${DISTNAME}
 
 STRIP=		# none
 
+.if defined(USE_AUTOMAKE) || defined(USE_AUTOMAKE_VER)
+.error You have `USE_AUTOMAKE' or `USE_AUTOMAKE_VER' variables defined either in environment or in make(1) arguments. Please undefine and try again.
+.endif
+
 pre-configure:
 	${PERL} -pi -e "s^%%X11BASE%%^${X11BASE}^" ${WRKSRC}/aclocal.in
 
diff --git a/devel/automake110/Makefile b/devel/automake110/Makefile
index 6bdf74a777bd..a63c7ea3d63d 100644
--- a/devel/automake110/Makefile
+++ b/devel/automake110/Makefile
@@ -21,6 +21,10 @@ WRKSRC=		${WRKDIR}/${DISTNAME}
 
 STRIP=		# none
 
+.if defined(USE_AUTOMAKE) || defined(USE_AUTOMAKE_VER)
+.error You have `USE_AUTOMAKE' or `USE_AUTOMAKE_VER' variables defined either in environment or in make(1) arguments. Please undefine and try again.
+.endif
+
 pre-configure:
 	${PERL} -pi -e "s^%%X11BASE%%^${X11BASE}^" ${WRKSRC}/aclocal.in
 
diff --git a/devel/automake14/Makefile b/devel/automake14/Makefile
index e447b7379256..3333ebc8f75f 100644
--- a/devel/automake14/Makefile
+++ b/devel/automake14/Makefile
@@ -23,6 +23,10 @@ WRKSRC=		${WRKDIR}/${DISTNAME}
 
 STRIP=		# none
 
+.if defined(USE_AUTOMAKE) || defined(USE_AUTOMAKE_VER)
+.error You have `USE_AUTOMAKE' or `USE_AUTOMAKE_VER' variables defined either in environment or in make(1) arguments. Please undefine and try again.
+.endif
+
 post-patch:
 	@-${RM} ${WRKSRC}/*.info* ${WRKSRC}/*.dvi
 	${MV} ${WRKSRC}/automake.texi ${WRKSRC}/automake14.texi
diff --git a/devel/automake15/Makefile b/devel/automake15/Makefile
index 6bdf74a777bd..a63c7ea3d63d 100644
--- a/devel/automake15/Makefile
+++ b/devel/automake15/Makefile
@@ -21,6 +21,10 @@ WRKSRC=		${WRKDIR}/${DISTNAME}
 
 STRIP=		# none
 
+.if defined(USE_AUTOMAKE) || defined(USE_AUTOMAKE_VER)
+.error You have `USE_AUTOMAKE' or `USE_AUTOMAKE_VER' variables defined either in environment or in make(1) arguments. Please undefine and try again.
+.endif
+
 pre-configure:
 	${PERL} -pi -e "s^%%X11BASE%%^${X11BASE}^" ${WRKSRC}/aclocal.in
 
diff --git a/devel/automake16/Makefile b/devel/automake16/Makefile
index 6bdf74a777bd..a63c7ea3d63d 100644
--- a/devel/automake16/Makefile
+++ b/devel/automake16/Makefile
@@ -21,6 +21,10 @@ WRKSRC=		${WRKDIR}/${DISTNAME}
 
 STRIP=		# none
 
+.if defined(USE_AUTOMAKE) || defined(USE_AUTOMAKE_VER)
+.error You have `USE_AUTOMAKE' or `USE_AUTOMAKE_VER' variables defined either in environment or in make(1) arguments. Please undefine and try again.
+.endif
+
 pre-configure:
 	${PERL} -pi -e "s^%%X11BASE%%^${X11BASE}^" ${WRKSRC}/aclocal.in
 
diff --git a/devel/automake17/Makefile b/devel/automake17/Makefile
index 6bdf74a777bd..a63c7ea3d63d 100644
--- a/devel/automake17/Makefile
+++ b/devel/automake17/Makefile
@@ -21,6 +21,10 @@ WRKSRC=		${WRKDIR}/${DISTNAME}
 
 STRIP=		# none
 
+.if defined(USE_AUTOMAKE) || defined(USE_AUTOMAKE_VER)
+.error You have `USE_AUTOMAKE' or `USE_AUTOMAKE_VER' variables defined either in environment or in make(1) arguments. Please undefine and try again.
+.endif
+
 pre-configure:
 	${PERL} -pi -e "s^%%X11BASE%%^${X11BASE}^" ${WRKSRC}/aclocal.in
 
diff --git a/devel/automake18/Makefile b/devel/automake18/Makefile
index 6bdf74a777bd..a63c7ea3d63d 100644
--- a/devel/automake18/Makefile
+++ b/devel/automake18/Makefile
@@ -21,6 +21,10 @@ WRKSRC=		${WRKDIR}/${DISTNAME}
 
 STRIP=		# none
 
+.if defined(USE_AUTOMAKE) || defined(USE_AUTOMAKE_VER)
+.error You have `USE_AUTOMAKE' or `USE_AUTOMAKE_VER' variables defined either in environment or in make(1) arguments. Please undefine and try again.
+.endif
+
 pre-configure:
 	${PERL} -pi -e "s^%%X11BASE%%^${X11BASE}^" ${WRKSRC}/aclocal.in
 
diff --git a/devel/automake19/Makefile b/devel/automake19/Makefile
index 6bdf74a777bd..a63c7ea3d63d 100644
--- a/devel/automake19/Makefile
+++ b/devel/automake19/Makefile
@@ -21,6 +21,10 @@ WRKSRC=		${WRKDIR}/${DISTNAME}
 
 STRIP=		# none
 
+.if defined(USE_AUTOMAKE) || defined(USE_AUTOMAKE_VER)
+.error You have `USE_AUTOMAKE' or `USE_AUTOMAKE_VER' variables defined either in environment or in make(1) arguments. Please undefine and try again.
+.endif
+
 pre-configure:
 	${PERL} -pi -e "s^%%X11BASE%%^${X11BASE}^" ${WRKSRC}/aclocal.in
 
diff --git a/devel/bison-devel/Makefile b/devel/bison-devel/Makefile
index f9c118fa8644..ed700d39c92e 100644
--- a/devel/bison-devel/Makefile
+++ b/devel/bison-devel/Makefile
@@ -27,6 +27,10 @@ CONFIGURE_TARGET=	--target=${MACHINE_ARCH}-unknown-freebsd${OSREL}
 
 MAN1=		bison.1
 
+.ifdef USE_BISON
+.error You have `USE_BISON' variable defined either in environment or in make(1) arguments. Please undefine and try again.
+.endif
+
 post-extract:
 	@${RM} -f ${WRKSRC}/doc/bison.info*
 
diff --git a/devel/bison/Makefile b/devel/bison/Makefile
index f9c118fa8644..ed700d39c92e 100644
--- a/devel/bison/Makefile
+++ b/devel/bison/Makefile
@@ -27,6 +27,10 @@ CONFIGURE_TARGET=	--target=${MACHINE_ARCH}-unknown-freebsd${OSREL}
 
 MAN1=		bison.1
 
+.ifdef USE_BISON
+.error You have `USE_BISON' variable defined either in environment or in make(1) arguments. Please undefine and try again.
+.endif
+
 post-extract:
 	@${RM} -f ${WRKSRC}/doc/bison.info*
 
diff --git a/devel/bison175/Makefile b/devel/bison175/Makefile
index f9c118fa8644..ed700d39c92e 100644
--- a/devel/bison175/Makefile
+++ b/devel/bison175/Makefile
@@ -27,6 +27,10 @@ CONFIGURE_TARGET=	--target=${MACHINE_ARCH}-unknown-freebsd${OSREL}
 
 MAN1=		bison.1
 
+.ifdef USE_BISON
+.error You have `USE_BISON' variable defined either in environment or in make(1) arguments. Please undefine and try again.
+.endif
+
 post-extract:
 	@${RM} -f ${WRKSRC}/doc/bison.info*
 
diff --git a/devel/bison1875/Makefile b/devel/bison1875/Makefile
index f9c118fa8644..ed700d39c92e 100644
--- a/devel/bison1875/Makefile
+++ b/devel/bison1875/Makefile
@@ -27,6 +27,10 @@ CONFIGURE_TARGET=	--target=${MACHINE_ARCH}-unknown-freebsd${OSREL}
 
 MAN1=		bison.1
 
+.ifdef USE_BISON
+.error You have `USE_BISON' variable defined either in environment or in make(1) arguments. Please undefine and try again.
+.endif
+
 post-extract:
 	@${RM} -f ${WRKSRC}/doc/bison.info*
 
diff --git a/devel/bison2/Makefile b/devel/bison2/Makefile
index f9c118fa8644..ed700d39c92e 100644
--- a/devel/bison2/Makefile
+++ b/devel/bison2/Makefile
@@ -27,6 +27,10 @@ CONFIGURE_TARGET=	--target=${MACHINE_ARCH}-unknown-freebsd${OSREL}
 
 MAN1=		bison.1
 
+.ifdef USE_BISON
+.error You have `USE_BISON' variable defined either in environment or in make(1) arguments. Please undefine and try again.
+.endif
+
 post-extract:
 	@${RM} -f ${WRKSRC}/doc/bison.info*
 
diff --git a/devel/bison20/Makefile b/devel/bison20/Makefile
index f9c118fa8644..ed700d39c92e 100644
--- a/devel/bison20/Makefile
+++ b/devel/bison20/Makefile
@@ -27,6 +27,10 @@ CONFIGURE_TARGET=	--target=${MACHINE_ARCH}-unknown-freebsd${OSREL}
 
 MAN1=		bison.1
 
+.ifdef USE_BISON
+.error You have `USE_BISON' variable defined either in environment or in make(1) arguments. Please undefine and try again.
+.endif
+
 post-extract:
 	@${RM} -f ${WRKSRC}/doc/bison.info*
 
diff --git a/devel/gmake/Makefile b/devel/gmake/Makefile
index 5c90eb5e6ab1..ce8d5b070e51 100644
--- a/devel/gmake/Makefile
+++ b/devel/gmake/Makefile
@@ -23,6 +23,10 @@ CONFIGURE_ENV=	CPPFLAGS="-I${LOCALBASE}/include -DHAVE_LOCALE_H -DHAVE_LC_MESSAG
 
 MAN1=		gmake.1
 
+.ifdef USE_GMAKE
+.error You have `USE_GMAKE' variable defined either in environment or in make(1) arguments. Please undefine and try again.
+.endif
+
 # joerg@freebsd.org says our getloadavg() no longer requires setgid kmem
 
 post-install:
diff --git a/devel/gmake381/Makefile b/devel/gmake381/Makefile
index 5c90eb5e6ab1..ce8d5b070e51 100644
--- a/devel/gmake381/Makefile
+++ b/devel/gmake381/Makefile
@@ -23,6 +23,10 @@ CONFIGURE_ENV=	CPPFLAGS="-I${LOCALBASE}/include -DHAVE_LOCALE_H -DHAVE_LC_MESSAG
 
 MAN1=		gmake.1
 
+.ifdef USE_GMAKE
+.error You have `USE_GMAKE' variable defined either in environment or in make(1) arguments. Please undefine and try again.
+.endif
+
 # joerg@freebsd.org says our getloadavg() no longer requires setgid kmem
 
 post-install:
diff --git a/devel/gnu-automake/Makefile b/devel/gnu-automake/Makefile
index 6bdf74a777bd..a63c7ea3d63d 100644
--- a/devel/gnu-automake/Makefile
+++ b/devel/gnu-automake/Makefile
@@ -21,6 +21,10 @@ WRKSRC=		${WRKDIR}/${DISTNAME}
 
 STRIP=		# none
 
+.if defined(USE_AUTOMAKE) || defined(USE_AUTOMAKE_VER)
+.error You have `USE_AUTOMAKE' or `USE_AUTOMAKE_VER' variables defined either in environment or in make(1) arguments. Please undefine and try again.
+.endif
+
 pre-configure:
 	${PERL} -pi -e "s^%%X11BASE%%^${X11BASE}^" ${WRKSRC}/aclocal.in
 
diff --git a/devel/gnu-libtool/Makefile b/devel/gnu-libtool/Makefile
index 1a27412f5338..a2ee543ab5ee 100644
--- a/devel/gnu-libtool/Makefile
+++ b/devel/gnu-libtool/Makefile
@@ -22,4 +22,8 @@ INSTALLS_SHLIB=	yes
 GNU_CONFIGURE=	yes
 CONFIGURE_ENV=	PREFIX=${PREFIX}
 
+.ifdef USE_LIBTOOL
+.error You have `USE_LIBTOOL' variable defined either in environment or in make(1) arguments. Please undefine and try again.
+.endif
+
 .include <bsd.port.mk>
diff --git a/devel/imake-4/Makefile b/devel/imake-4/Makefile
index ff68bc6c4182..3c650db988cb 100644
--- a/devel/imake-4/Makefile
+++ b/devel/imake-4/Makefile
@@ -22,6 +22,10 @@ MAINTAINER=	anholt@freebsd.org
 PREFIX?=	${X11BASE}
 USE_PERL5=	YES
 
+.ifdef USE_IMAKE
+.error You have `USE_IMAKE' variable defined either in environment or in make(1) arguments. Please undefine and try again.
+.endif
+
 .include <bsd.port.pre.mk>
 
 .if ${OSVERSION} < 500000
diff --git a/devel/imake/Makefile b/devel/imake/Makefile
index 71f86452ab44..beb091ee45a9 100644
--- a/devel/imake/Makefile
+++ b/devel/imake/Makefile
@@ -35,6 +35,10 @@ MANCOMPRESSED=	yes
 INSTALL_TARGET=	install install.man
 MTREE_FILE=	/etc/mtree/BSD.x11.dist
 
+.ifdef USE_IMAKE
+.error You have `USE_IMAKE' variable defined either in environment or in make(1) arguments. Please undefine and try again.
+.endif
+
 do-configure:
 	@${ECHO_CMD} > ${WRKSRC}/cf/host.def
 	@(cd ${WRKDIR}/xc; \
diff --git a/devel/libtool/Makefile b/devel/libtool/Makefile
index 1a27412f5338..a2ee543ab5ee 100644
--- a/devel/libtool/Makefile
+++ b/devel/libtool/Makefile
@@ -22,4 +22,8 @@ INSTALLS_SHLIB=	yes
 GNU_CONFIGURE=	yes
 CONFIGURE_ENV=	PREFIX=${PREFIX}
 
+.ifdef USE_LIBTOOL
+.error You have `USE_LIBTOOL' variable defined either in environment or in make(1) arguments. Please undefine and try again.
+.endif
+
 .include <bsd.port.mk>
diff --git a/devel/libtool13/Makefile b/devel/libtool13/Makefile
index 1a27412f5338..a2ee543ab5ee 100644
--- a/devel/libtool13/Makefile
+++ b/devel/libtool13/Makefile
@@ -22,4 +22,8 @@ INSTALLS_SHLIB=	yes
 GNU_CONFIGURE=	yes
 CONFIGURE_ENV=	PREFIX=${PREFIX}
 
+.ifdef USE_LIBTOOL
+.error You have `USE_LIBTOOL' variable defined either in environment or in make(1) arguments. Please undefine and try again.
+.endif
+
 .include <bsd.port.mk>
diff --git a/devel/libtool14/Makefile b/devel/libtool14/Makefile
index 1a27412f5338..a2ee543ab5ee 100644
--- a/devel/libtool14/Makefile
+++ b/devel/libtool14/Makefile
@@ -22,4 +22,8 @@ INSTALLS_SHLIB=	yes
 GNU_CONFIGURE=	yes
 CONFIGURE_ENV=	PREFIX=${PREFIX}
 
+.ifdef USE_LIBTOOL
+.error You have `USE_LIBTOOL' variable defined either in environment or in make(1) arguments. Please undefine and try again.
+.endif
+
 .include <bsd.port.mk>
diff --git a/devel/libtool15/Makefile b/devel/libtool15/Makefile
index 1a27412f5338..a2ee543ab5ee 100644
--- a/devel/libtool15/Makefile
+++ b/devel/libtool15/Makefile
@@ -22,4 +22,8 @@ INSTALLS_SHLIB=	yes
 GNU_CONFIGURE=	yes
 CONFIGURE_ENV=	PREFIX=${PREFIX}
 
+.ifdef USE_LIBTOOL
+.error You have `USE_LIBTOOL' variable defined either in environment or in make(1) arguments. Please undefine and try again.
+.endif
+
 .include <bsd.port.mk>