This patch add some comments to explain why we use .PrebuildEnv file to save environment variable settings set by the prebuild script.
Cc: Liming Gao <[email protected]> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Yonghong Zhu <[email protected]> --- BaseTools/Source/Python/build/build.py | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/BaseTools/Source/Python/build/build.py b/BaseTools/Source/Python/build/build.py index f7634fa..4d05ee2 100644 --- a/BaseTools/Source/Python/build/build.py +++ b/BaseTools/Source/Python/build/build.py @@ -1027,10 +1027,15 @@ class Build(): def LaunchPrebuild(self): if self.Prebuild: EdkLogger.info("\n- Prebuild Start -\n") self.LaunchPrebuildFlag = True + # + # The purpose of .PrebuildEnv file is capture environment variable settings set by the prebuild script + # and preserve them for the rest of the main build step, because the child process environment will + # evaporate as soon as it exits, we cannot get it in build step. + # PrebuildEnvFile = os.path.join(GlobalData.gConfDirectory,'.cache','.PrebuildEnv') if os.path.isfile(PrebuildEnvFile): os.remove(PrebuildEnvFile) if os.path.isfile(self.PlatformBuildPath): os.remove(self.PlatformBuildPath) -- 2.6.1.windows.1 _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel
