Check for Execution Shield

OBS-URL: https://build.opensuse.org/package/show/editors/emacs?expand=0&rev=211

check-build.sh

@@ -16,5 +16,13 @@ case $BUILD_BASENAME in
 	;;
 esac
 
+exec_shield=0
+if test -e /proc/sys/kernel/exec-shield; then
+	read -t 1 exec_shield < /proc/sys/kernel/exec-shield
+fi
+if test $exec_shield -ne 0 ; then
+	echo Sorry, Execution Shield exists and is enabled 1>&2
+	exit 1
+fi
 exit 0
 

emacs.changes

@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Fri Nov 11 09:01:36 UTC 2016 - werner@suse.de
+
+- Avoid address space randomization during emacs build
+- Check for active Execution Shield as this breaks emacs
+
 -------------------------------------------------------------------
 Wed Sep 21 06:31:44 UTC 2016 - werner@suse.de
 

emacs.spec

@@ -267,6 +267,14 @@ exit 1
 %endif
 %endif
 %endif
+  exec_shield=0
+  if test -e /proc/sys/kernel/exec-shield; then
+      read -t 1 exec_shield < /proc/sys/kernel/exec-shield
+  fi
+  if test $exec_shield -ne 0 ; then
+      echo Sorry, Execution Shield exists and is enabled 1>&2
+      exit 1
+  fi
 
   cflags ()
   {
@@ -410,12 +418,12 @@ make_mchkoff ()
     local OMC=$MALLOC_CHECK_
     unset MALLOC_CHECK_
     if test -n "${1}" ; then
-	make ${1+"$@"}
+	setarch $(uname -m) -R make ${1+"$@"}
 	set -- $(src/emacs -batch --eval "(print pure-space-overflow)")
 	test "$1" = "nil" || exit 1
     fi
     make -C src/ versionclean
-    make
+    setarch $(uname -m) -R make
     set -- $(src/emacs -batch --eval "(print pure-space-overflow)")
     test "$1" = "nil" || exit 1
     if test -n "$OMC" ; then