devel/llvm17: Sanitize MANPREFIX

Approved by:	brooks (private mail)

devel/llvm17/Makefile

@@ -1,6 +1,6 @@
 PORTNAME=	llvm
 DISTVERSION=	17.0.6
-PORTREVISION=	3
+PORTREVISION=	4
 CATEGORIES=	devel lang
 MASTER_SITES=	https://github.com/llvm/llvm-project/releases/download/llvmorg-${DISTVERSION:S/rc/-rc/}/ \
 		https://${PRE_}releases.llvm.org/${LLVM_RELEASE}${RCDIR}/
@@ -81,7 +81,6 @@ CMAKE_ARGS+=	-DLLVM_HOST_TRIPLE=${CONFIGURE_TARGET}
 # Following commit https://github.com/kitware/cmake/commit/956054
 # we need to either change the whole man-shuffle below, or simply
 # redefine CMAKE_INSTALL_MANDIR
-CMAKE_ARGS+=	-DCMAKE_INSTALL_MANDIR:PATH="share/man"
 CMAKE_ARGS+=	-DLLVM_PARALLEL_LINK_JOBS=1
 CMAKE_ARGS+=	-DLLVM_ENABLE_Z3_SOLVER=OFF
 CMAKE_ARGS+=	-DLLVM_ENABLE_LIBXML2=OFF
@@ -169,7 +168,7 @@ DOCS_CMAKE_ON= \
 	-DSPHINX_EXECUTABLE=${LOCALBASE}/bin/sphinx-build-${PYTHON_VER} \
 	-DSPHINX_WARNINGS_AS_ERRORS=OFF \
 	-DLLVM_BUILD_DOCS=ON
-DOCS_PLIST_FILES=	${MAN1SRCS:S|^|man/man1/|:S|.1$|${LLVM_SUFFIX}.1.gz|}
+DOCS_PLIST_FILES=	${MAN1SRCS:S|^|share/man/man1/|:S|.1$|${LLVM_SUFFIX}.1.gz|}
 EXTRAS_DESC=		Extra clang tools
 EXTRAS_IMPLIES=		CLANG
 EXTRAS_PLIST_DIRS=	${LLVM_DIR}/include/clang-tidy/plugin
@@ -511,7 +510,7 @@ post-install-DOCS-on:
 	${RMDIR} ${STAGEDIR}${LLVM_PREFIX}/share/doc
 .for _man in ${MAN1SRCS}
 	${MV} ${STAGEDIR}${LLVM_PREFIX}/share/man/man1/${_man} \
-	    ${STAGEDIR}${MANPREFIX}/man/man1/${_man:R}${LLVM_SUFFIX}.1
+	    ${STAGEDIR}${MANPREFIX}/share/man/man1/${_man:R}${LLVM_SUFFIX}.1
 .endfor
 .if ! ${PORT_OPTIONS:MLIT}
 	${RM} ${STAGEDIR}${LLVM_PREFIX}/share/man/man1/lit.1