BaseTools: not specified value of MAX_CONCURRENT_THREAD_NUMBER

[mirror_edk2.git] / BaseTools / Source / Python / build / build.py

diff --git a/BaseTools/Source/Python/build/build.py b/BaseTools/Source/Python/build/build.py
index e4adee2bebca101623369b7e4857a4c342ca6981..14a2ceb4bc64dff3be542580fa1a4a29b7266b28 100644 (file)
--- a/BaseTools/Source/Python/build/build.py
+++ b/BaseTools/Source/Python/build/build.py
@@ -772,7 +772,7 @@ class Build():
         self.AutoGenTime    = 0\r
         self.MakeTime       = 0\r
         self.GenFdsTime     = 0\r
-        GlobalData.BuildOptionPcd     = BuildOptions.OptionPcd\r
+        GlobalData.BuildOptionPcd     = BuildOptions.OptionPcd if BuildOptions.OptionPcd else {}\r
         #Set global flag for build mode\r
         GlobalData.gIgnoreSource = BuildOptions.IgnoreSources\r
         GlobalData.gUseHashCache = BuildOptions.UseHashCache\r
@@ -2323,7 +2323,8 @@ def MyOptionParser():
         help="Using this name of SKU ID to build the platform, overriding SKUID_IDENTIFIER in DSC file.")\r
 \r
     Parser.add_option("-n", action="callback", type="int", dest="ThreadNumber", callback=SingleCheckCallback,\r
-        help="Build the platform using multi-threaded compiler. The value overrides target.txt's MAX_CONCURRENT_THREAD_NUMBER. Less than 2 will disable multi-thread builds.")\r
+        help="Build the platform using multi-threaded compiler. The value overrides target.txt's MAX_CONCURRENT_THREAD_NUMBER. When value is set to 0, tool automatically detect number of "\\r
+             "processor threads, set value to 1 means disable multi-thread build, and set value to more than 1 means user specify the threads number to build.")\r
 \r
     Parser.add_option("-f", "--fdf", action="callback", type="string", dest="FdfFile", callback=SingleCheckCallback,\r
         help="The name of the FDF file to use, which overrides the setting in the DSC file.")\r