On 2016/08/18 10:12, Stuart Henderson wrote:
> As most readers know by now, ports requiring WX mappings must now
> be annotated when the binaries are created. Because there are many
> build systems in ports (sometimes even different ones within a
> single port) this is an utter pain to setup, so for the jdk ports
> I've used a wrapper installed to ${WRKDIR}/bin/ld that adds the
> relevant flag.
>
> This factors out the wrapper so it can be generated by ports
> infrastructure instead (by setting USE_WXNEEDED=Yes), and adds
> it to the sqlports database so we can spot them more easily.
Updated manpage section after feedback from jasper@.
Index: man5/bsd.port.mk.5
===================================================================
RCS file: /cvs/src/share/man/man5/bsd.port.mk.5,v
retrieving revision 1.437
diff -u -p -r1.437 bsd.port.mk.5
--- man5/bsd.port.mk.5 1 Aug 2016 00:48:22 -0000 1.437
+++ man5/bsd.port.mk.5 18 Aug 2016 10:07:13 -0000
@@ -2922,6 +2922,14 @@ and not intended to be a user setting.
See
.Ev WRKOBJDIR_MFS
for configuration.
+.It Ev USE_WXNEEDED
+If set to
+.Sq Yes ,
+writes a wrapper script to ${WRKDIR}/bin/ld in
+.Cm patch
+to request that the linker adds an OPENBSD_WXNEEDED ELF section.
+Use when a port requires memory mappings that are both executable
+and writable and cannot be modified to avoid this.
.It Ev USE_X11
Normally, presence of ${X11BASE} is enforced by default for building ports.
But there is an experimental way to hook the xenocara build into
