# HG changeset patch
# Parent  4ef2404d343ee660ebb3ff44ff4d8cf15e78d6fa
Issue #26662: Enable .DELETE_ON_ERROR Gnu Make mode to catch errors earlier

diff -r 4ef2404d343e -r 11b808ab194b Makefile.pre.in
--- a/Makefile.pre.in	Mon Jul 11 01:32:09 2016 +0000
+++ b/Makefile.pre.in	Mon Jul 11 04:22:21 2016 +0000
@@ -1717,6 +1717,9 @@
 .PHONY: smelly funny patchcheck touch altmaninstall commoninstall
 .PHONY: gdbhooks
 
+# Gnu Make extension: remove targets if a command fails
+.DELETE_ON_ERROR:
+
 # IF YOU PUT ANYTHING HERE IT WILL GO AWAY
 # Local Variables:
 # mode: makefile
diff -r 4ef2404d343e -r 11b808ab194b Misc/NEWS
--- a/Misc/NEWS	Mon Jul 11 01:32:09 2016 +0000
+++ b/Misc/NEWS	Mon Jul 11 04:22:21 2016 +0000
@@ -160,6 +160,9 @@
 Build
 -----
 
+- Issue #26662: Enable the Gnu Make mode that deletes target files if a
+  command creates the file but then fails.
+
 - Issue #27442: Expose the Android API level that python was built against, in
   sysconfig.get_config_vars() as 'ANDROID_API_LEVEL'.