Do not abort on qemu_malloc(0) in production builds

[mirror_qemu.git] / configure

diff --git a/configure b/configure
index a29839e6e3cab2e088e634c3f658601522abd1a7..273b6b7c65ca2860bbae0e6ce05b805134bc8345 100755 (executable)
--- a/configure
+++ b/configure
@@ -256,6 +256,7 @@ blobs="yes"
 pkgversion=""
 check_utests="no"
 user_pie="no"
+zero_malloc=""
 
 # OS specific
 if check_define __linux__ ; then
@@ -1792,8 +1793,9 @@ fi
 
 # Consult white-list to determine whether to enable werror
 # by default.  Only enable by default for git builds
+z_version=`cut -f3 -d. $source_path/VERSION`
+
 if test -z "$werror" ; then
-    z_version=`cut -f3 -d. $source_path/VERSION`
     if test "$z_version" = "50" -a \
         "$linux" = "yes" ; then
         werror="yes"
@@ -1802,6 +1804,16 @@ if test -z "$werror" ; then
     fi
 fi
 
+# Disable zero malloc errors for official releases unless explicitly told to
+# enable/disable
+if test -z "$zero_malloc" ; then
+    if test "$z_version" = "50" ; then
+       zero_malloc="no"
+    else
+       zero_malloc="yes"
+    fi
+fi
+
 if test "$werror" = "yes" ; then
     QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
 fi
@@ -2109,6 +2121,10 @@ fi
 
 echo "CONFIG_UNAME_RELEASE=\"$uname_release\"" >> $config_host_mak
 
+if test "$zero_malloc" = "yes" ; then
+  echo "CONFIG_ZERO_MALLOC=y" >> $config_host_mak
+fi
+
 # USB host support
 case "$usb" in
 linux)