• Fix build with clang (CFLAGS+=-Wno-error=implicit-function-declaration)
• USE_GMAKE=yes -> USES=gmake
• Remove the indefinite article from COMMENT
• Remove --mandir from CONFIGURE_ARGS (already set in bsd.port.mk)
• Use new syntax at LIB_DEPENDS
• Include <bsd.port.options.mk> instead of <bsd.port.pre.mk>
• Place unconditionned statements before those conditions
• Remove LATEST_LINK. PKGNAMESUFFIX is already set.

PR: ports/181618
Submitted by: bsam
Approved by: maintainer timeout (7 weeks)