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authorMasahiro Yamada <yamada.masahiro@socionext.com>2016-05-19 06:52:04 (GMT)
committerMasahiro Yamada <yamada.masahiro@socionext.com>2016-06-12 22:46:28 (GMT)
commit7fb0bacd389b9b041164965d31a8c50e8616f7a0 (patch)
tree4365f26014628ec3707adda590f18d6e80bef91c
parent4efef998cda69edb162ea61e4a14f564133457d1 (diff)
downloadu-boot-7fb0bacd389b9b041164965d31a8c50e8616f7a0.tar.xz
tools: moveconfig: skip savedefconfig if .config was not updated
If no CONFIG option is moved to the .config, no need to sync the defconfig file. This accelerates the processing by skipping needless "make savedefconfig". Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Joe Hershberger <joe.hershberger@ni.com>
-rwxr-xr-xtools/moveconfig.py21
1 files changed, 16 insertions, 5 deletions
diff --git a/tools/moveconfig.py b/tools/moveconfig.py
index 84ad16d..e321044 100755
--- a/tools/moveconfig.py
+++ b/tools/moveconfig.py
@@ -496,10 +496,13 @@ class KconfigParser:
defconfig: defconfig name.
Returns:
- Return log string
+ Return a tuple of (updated flag, log string).
+ The "updated flag" is True if the .config was updated, False
+ otherwise. The "log string" shows what happend to the .config.
"""
results = []
+ updated = False
with open(self.dotconfig) as f:
dotconfig_lines = f.readlines()
@@ -534,11 +537,12 @@ class KconfigParser:
for (action, value) in results:
if action == ACTION_MOVE:
f.write(value + '\n')
+ updated = True
os.remove(self.config_autoconf)
os.remove(self.autoconf)
- return log
+ return (updated, log)
class Slot:
@@ -614,8 +618,11 @@ class Slot:
If the configuration is successfully finished, assign a new
subprocess to build include/autoconf.mk.
If include/autoconf.mk is generated, invoke the parser to
- parse the .config and the include/autoconf.mk, and then set the
- slot back to the idle state.
+ parse the .config and the include/autoconf.mk, moving
+ config options to the .config as needed.
+ If the .config was updated, run "make savedefconfig" to sync
+ it, update the original defconfig, and then set the slot back
+ to the idle state.
Returns:
Return True if the subprocess is terminated, False otherwise
@@ -636,8 +643,12 @@ class Slot:
return True
if self.state == STATE_AUTOCONF:
- self.log += self.parser.update_dotconfig()
+ (updated, log) = self.parser.update_dotconfig()
+ self.log += log
+ if not updated:
+ self.finish(True)
+ return True
"""Save off the defconfig in a consistent way"""
cmd = list(self.make_cmd)
cmd.append('savedefconfig')