From 7c063f7fe48d48238a8da377155bc64c4a874dabc8caa5cd6a4968427a96800f Mon Sep 17 00:00:00 2001
From: Steffen Winterfeldt <snwint@suse.com>
Date: Thu, 30 Sep 2021 16:08:01 +0000
Subject: [PATCH] Accepting request 898783 from
 home:wfrisch:branches:system:install:head

Link all binaries as Position Independent Executables (bsc#1184124).
  + syslinux-4.04-pie.diff

OBS-URL: https://build.opensuse.org/request/show/898783
OBS-URL: https://build.opensuse.org/package/show/system:install:head/syslinux?expand=0&rev=106
---
 syslinux-4.04-pie.diff | 68 ++++++++++++++++++++++++++++++++++++++++++
 syslinux.changes       |  6 ++++
 syslinux.spec          |  6 ++--
 3 files changed, 78 insertions(+), 2 deletions(-)
 create mode 100644 syslinux-4.04-pie.diff

diff --git a/syslinux-4.04-pie.diff b/syslinux-4.04-pie.diff
new file mode 100644
index 0000000..8645343
--- /dev/null
+++ b/syslinux-4.04-pie.diff
@@ -0,0 +1,68 @@
+Index: syslinux-4.04/utils/Makefile
+===================================================================
+--- syslinux-4.04.orig/utils/Makefile
++++ syslinux-4.04/utils/Makefile
+@@ -17,8 +17,8 @@
+ topdir = ..
+ include $(topdir)/MCONFIG
+ 
+-CFLAGS   = $(GCCWARN) -Os -fomit-frame-pointer -D_FILE_OFFSET_BITS=64
+-LDFLAGS  = -O2 -g
++CFLAGS   = $(GCCWARN) -Os -fomit-frame-pointer -D_FILE_OFFSET_BITS=64 -fPIC $(OPTFLAGS)
++LDFLAGS  += -O2 -g -pie
+ 
+ TARGETS	 = mkdiskimage isohybrid gethostip memdiskfind
+ TARGETS += isohybrid.pl  # about to be obsoleted
+Index: syslinux-4.04/extlinux/Makefile
+===================================================================
+--- syslinux-4.04.orig/extlinux/Makefile
++++ syslinux-4.04/extlinux/Makefile
+@@ -20,8 +20,8 @@ include $(topdir)/MCONFIG
+ OPTFLAGS = -g -Os
+ INCLUDES = -I. -I.. -I../libinstaller
+ CFLAGS	 = $(GCCWARN) -Wno-sign-compare -D_FILE_OFFSET_BITS=64 \
+-	   $(OPTFLAGS) $(INCLUDES)
+-LDFLAGS	 = # -s
++	   -fPIC $(OPTFLAGS) $(INCLUDES)
++LDFLAGS += -pie # -s
+ 
+ SRCS     = main.c \
+ 	   ../libinstaller/syslxmod.c \
+Index: syslinux-4.04/mtools/Makefile
+===================================================================
+--- syslinux-4.04.orig/mtools/Makefile
++++ syslinux-4.04/mtools/Makefile
+@@ -3,8 +3,8 @@ include $(topdir)/MCONFIG
+ 
+ OPTFLAGS = -g -Os
+ INCLUDES = -I. -I.. -I../libfat -I../libinstaller
+-CFLAGS	 = $(GCCWARN) -D_FILE_OFFSET_BITS=64 $(OPTFLAGS) $(INCLUDES)
+-LDFLAGS	 = -s
++CFLAGS	 = $(GCCWARN) -D_FILE_OFFSET_BITS=64 -fPIC $(OPTFLAGS) $(INCLUDES)
++LDFLAGS	+= -s -pie
+ 
+ SRCS     = syslinux.c \
+ 	   ../libinstaller/fat.c \
+Index: syslinux-4.04/core/Makefile
+===================================================================
+--- syslinux-4.04.orig/core/Makefile
++++ syslinux-4.04/core/Makefile
+@@ -138,3 +138,4 @@ spotless: clean
+ 
+ # Include dependencies file
+ -include .*.d */.*.d */*/.*.d
++
+Index: syslinux-4.04/linux/Makefile
+===================================================================
+--- syslinux-4.04.orig/linux/Makefile
++++ syslinux-4.04/linux/Makefile
+@@ -20,7 +20,8 @@ include $(topdir)/MCONFIG
+ OPTFLAGS = -g -O0 -Dalloca=malloc
+ INCLUDES = -I. -I.. -I../libinstaller
+ CFLAGS	 = $(GCCWARN) -D_FILE_OFFSET_BITS=64 $(OPTFLAGS) $(INCLUDES)
+-LDFLAGS	 = 
++CFLAGS  += -fPIC
++LDFLAGS	 = -pie
+ 
+ SRCS     = syslinux.c \
+ 	   ../libinstaller/syslxopt.c \
diff --git a/syslinux.changes b/syslinux.changes
index 9f37855..9fdbd52 100644
--- a/syslinux.changes
+++ b/syslinux.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Wed Jun  9 10:45:24 UTC 2021 - Wolfgang Frisch <wolfgang.frisch@suse.com>
+
+- Link all binaries as Position Independent Executables (bsc#1184124).
+  + syslinux-4.04-pie.diff
+
 -------------------------------------------------------------------
 Wed Feb  3 09:45:57 UTC 2021 - Bernhard Wiedemann <bwiedemann@suse.com>
 
diff --git a/syslinux.spec b/syslinux.spec
index 33ee75f..2d6f80d 100644
--- a/syslinux.spec
+++ b/syslinux.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package syslinux
 #
-# Copyright (c) 2020 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2021 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -27,7 +27,7 @@ BuildRequires:  python3
 BuildRequires:  xz
 # lots of assembler here that would need to be changed :(
 #!BuildIgnore:	gcc-PIE
-Url:            http://www.syslinux.org/wiki/index.php/The_Syslinux_Project
+URL:            http://www.syslinux.org/wiki/index.php/The_Syslinux_Project
 Suggests:       mtools
 Summary:        Boot Loader for Linux
 License:        GPL-2.0-or-later
@@ -64,6 +64,7 @@ Patch22:        remove-note-gnu-section.patch
 Patch23:        %{name}-%{version}-lzo.diff
 Patch24:        %{name}-%{version}-gcc10.diff
 Patch25:        syslinux-4.04-reproducible-isohybrid.patch
+Patch26:        %{name}-%{version}-pie.diff
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 
 %description
@@ -105,6 +106,7 @@ Authors:
 %patch23 -p0
 %patch24 -p0
 %patch25 -p1
+%patch26 -p1
 
 %build
 cp %{SOURCE2} .