Avoid patchelf by directly patching DT_NEEDED via Perl and a regular
expression.

Workaround to PR pkg/59090.

Index: Makefile
===================================================================
RCS file: /cvsroot/pkgsrc/editors/neovim/Makefile,v
retrieving revision 1.13
diff -u -p -r1.13 Makefile
--- Makefile	7 Feb 2025 07:50:02 -0000	1.13
+++ Makefile	15 Mar 2025 10:28:05 -0000
@@ -46,11 +46,12 @@ DEPENDS+=	${LUA_PKGPREFIX}-mpack-[0-9]*:
 .if ${SHLIB_TYPE} == "ELF"
 CFLAGS+=	${COMPILER_RPATH_FLAG}${PREFIX}/lib/lua/5.1
 
-TOOL_DEPENDS+=	patchelf-[0-9]*:../../devel/patchelf
+USE_TOOLS+=	perl
 
 post-install:
-	${TOOLBASE}/bin/patchelf ${DESTDIR}${PREFIX}/bin/nvim \
-		--replace-needed ${BUILDLINK_DIR.lua-lpeg}/lib/lua/5.1/lpeg.so lpeg.so
+	${SETENV} LPEG="${BUILDLINK_DIR.lua-lpeg}/lib/lua/5.1/lpeg.so" \
+		${PERL5} -e '$$r = "\x00" x (length($$ENV{"LPEG"}) - length("lpeg.so"));' \
+		-i -pe 's;$$ENV{"LPEG"};lpeg.so$$r;' ${DESTDIR}${PREFIX}/bin/nvim
 .endif
 
 .include "../../converters/libiconv/buildlink3.mk"