[src/trunk]: src/share/mk Add variables for static PIE

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/10901ac9d9f0
branches:  trunk
changeset: 827005:10901ac9d9f0
user:      christos <christos%NetBSD.org@localhost>
date:      Sun Oct 08 15:03:50 2017 +0000

description:
Add variables for static PIE

diffstat:

 share/mk/bsd.README |  6 +++++-
 share/mk/bsd.own.mk |  8 +++++++-
 2 files changed, 12 insertions(+), 2 deletions(-)

diffs (42 lines):

diff -r 01cfd408d15c -r 10901ac9d9f0 share/mk/bsd.README
--- a/share/mk/bsd.README       Sun Oct 08 15:02:33 2017 +0000
+++ b/share/mk/bsd.README       Sun Oct 08 15:03:50 2017 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: bsd.README,v 1.362 2017/05/21 15:28:42 riastradh Exp $
+#      $NetBSD: bsd.README,v 1.363 2017/10/08 15:03:50 christos Exp $
 #      @(#)bsd.README  8.2 (Berkeley) 4/2/94
 
 This is the README file for the make "include" files for the NetBSD
@@ -402,6 +402,10 @@
                libraries.
                Default: yes
 
+MKSTATICPIE    Compile in support for static pie binaries. These binaries
+               use a special rcrt0.o/mcrt0.o that do the necessary relocations
+               Default: yes on platforms that support it.
+
 MKSTRIPSYM     If "yes", strip all local symbols from shared libraries;
                the affect is equivalent to -x option of ld(1). If "no",
                strip only temporary local symbols; the affect is equivalent
diff -r 01cfd408d15c -r 10901ac9d9f0 share/mk/bsd.own.mk
--- a/share/mk/bsd.own.mk       Sun Oct 08 15:02:33 2017 +0000
+++ b/share/mk/bsd.own.mk       Sun Oct 08 15:03:50 2017 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: bsd.own.mk,v 1.1017 2017/10/06 13:00:57 tsutsui Exp $
+#      $NetBSD: bsd.own.mk,v 1.1018 2017/10/08 15:03:50 christos Exp $
 
 # This needs to be before bsd.init.mk
 .if defined(BSD_MK_COMPAT_FILE)
@@ -1017,6 +1017,12 @@
 MKRELRO?=      no
 .endif
 
+.if ${MACHINE_ARCH} == "x86_64"
+MKSTATICPIE?=  yes
+.else
+MKSTATICPIE?=  no
+.endif
+
 #
 # MK* options which default to "yes".
 #