From 5b042fcbdff8a651daecfbf91759fc8baf43ece0 Mon Sep 17 00:00:00 2001
From: Marcin Wojtas <mw@FreeBSD.org>
Date: Tue, 23 Feb 2021 13:42:26 +0100
Subject: [PATCH] Disable PIE for powerpc bootloaders.

Bootloaders for powerpc are not built as position independent
code. Since bsd.prog.mk is used for building, when PIE is enabled,
the PIE flags are added and that causes the build to fail.
Adding MK_PIE=no stops bsd.prog.mk from adding PIE specific flags.

Submitted by: Dawid Gorecki <dgr@semihalf.com>
Reviewed by: emaste
Obtained from: Semihalf
Sponsored by: Stormshield
Differential Revision: https://reviews.freebsd.org/D28893

(cherry picked from commit 3aa023643e9db78f4da314ff9bfb1643533c004f)
---
 stand/powerpc/boot1.chrp/Makefile | 2 ++
 stand/powerpc/kboot/Makefile      | 2 ++
 stand/powerpc/ofw/Makefile        | 2 ++
 stand/powerpc/uboot/Makefile      | 2 ++
 4 files changed, 8 insertions(+)

diff --git a/stand/powerpc/boot1.chrp/Makefile b/stand/powerpc/boot1.chrp/Makefile
index e2f1739a4f4..928f30e7eab 100644
--- a/stand/powerpc/boot1.chrp/Makefile
+++ b/stand/powerpc/boot1.chrp/Makefile
@@ -43,5 +43,7 @@ boot1.hfs: boot1.elf bootinfo.txt
 
 CLEANFILES+= boot1.hfs
 
+MK_PIE=		no
+
 .include <bsd.prog.mk>
 
diff --git a/stand/powerpc/kboot/Makefile b/stand/powerpc/kboot/Makefile
index 8b632ae3d07..a5e43ab6fda 100644
--- a/stand/powerpc/kboot/Makefile
+++ b/stand/powerpc/kboot/Makefile
@@ -42,4 +42,6 @@ LDFLAGS=	-nostdlib -static -T ${.CURDIR}/ldscript.powerpc
 DPADD=		${LDR_INTERP} ${LIBOFW} ${LIBFDT} ${LIBSA}
 LDADD=		${LDR_INTERP} ${LIBOFW} ${LIBFDT} ${LIBSA}
 
+MK_PIE=		no
+
 .include <bsd.prog.mk>
diff --git a/stand/powerpc/ofw/Makefile b/stand/powerpc/ofw/Makefile
index 6d75bb882d2..03844301f09 100644
--- a/stand/powerpc/ofw/Makefile
+++ b/stand/powerpc/ofw/Makefile
@@ -63,4 +63,6 @@ CFLAGS+=	-I${BOOTSRC}/libofw
 DPADD=		${LDR_INTERP} ${LIBOFW} ${LIBFDT} ${LIBSA}
 LDADD=		${LDR_INTERP} ${LIBOFW} ${LIBFDT} ${LIBSA}
 
+MK_PIE=		no
+
 .include <bsd.prog.mk>
diff --git a/stand/powerpc/uboot/Makefile b/stand/powerpc/uboot/Makefile
index 9124507397a..b0635104e45 100644
--- a/stand/powerpc/uboot/Makefile
+++ b/stand/powerpc/uboot/Makefile
@@ -31,4 +31,6 @@ LDFLAGS=	-nostdlib -static -T ${.CURDIR}/ldscript.powerpc
 DPADD=		${LDR_INTERP} ${LIBUBOOT} ${LIBFDT} ${LIBUBOOT_FDT} ${LIBSA}
 LDADD=		${LDR_INTERP} ${LIBUBOOT} ${LIBFDT} ${LIBUBOOT_FDT} ${LIBSA}
 
+MK_PIE=		no
+
 .include <bsd.prog.mk>