sysutils/evhz: simplify build/install logic

Enables some default hardening: -fPIE + -pie, -Wl,-zrelro.

sysutils/evhz/Makefile

@@ -1,6 +1,7 @@
 PORTNAME=	evhz
 DISTVERSION=	g20210920
 DISTVERSIONSUFFIX=	-0-g35b7526
+PORTREVISION=	1
 CATEGORIES=	sysutils
 MASTER_SITES=	https://git.sr.ht/~iank/${PORTNAME}/archive/${DISTVERSIONFULL}${EXTRACT_SUFX}?dummy=/
 
@@ -13,13 +14,9 @@ LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	${LOCALBASE}/include/linux/input.h:devel/evdev-proto
 
-USES=		localbase
+USES=		localbase uidfix
+MAKEFILE=	bsd.prog.mk
+MAKE_ARGS=	PROG="${PORTNAME}" MAN= BINDIR="${PREFIX}/bin"
 PLIST_FILES=	bin/${PORTNAME}
 
-do-build:
-	(cd ${WRKSRC} && ${SETENV} ${MAKE_ENV} ${CC} ${CFLAGS} ${LDFLAGS} -o ${PORTNAME} ${PORTNAME}.c)
-
-do-install:
-	${INSTALL_PROGRAM} ${WRKSRC}/${PORTNAME} ${STAGEDIR}${PREFIX}/bin/
-
 .include <bsd.port.mk>