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-rw-r--r--examples/winexe/wscript21
1 files changed, 21 insertions, 0 deletions
diff --git a/examples/winexe/wscript b/examples/winexe/wscript
index 6b311b1..c4f13b8 100644
--- a/examples/winexe/wscript
+++ b/examples/winexe/wscript
@@ -1,4 +1,6 @@
#!/usr/bin/env python
+import os
+
def configure(conf):
AR32 = ['i386', 'i586', 'i686']
@@ -27,5 +29,24 @@ def configure(conf):
conf.DEFINE('HAVE_WINEXE_CC_WIN64', 1);
break
+ source_date_epoch = os.environ.get('SOURCE_DATE_EPOCH')
+ if source_date_epoch is None:
+ # We use the version to make up the timestamp that will be
+ # embedded in winexe.exe, to keep the build reproducible.
+ #
+ # This is less evil than it sounds. According to Raymond Chen in
+ # https://devblogs.microsoft.com/oldnewthing/20180103-00/?p=97705
+ # since Windows 10 the timestamp has been randomised.
+ #
+ # The purpose of the timestamp in Windows PE files seems to be
+ # to make spotting ABI changes in DLLs quicker, for which a
+ # random number is just as good as a real time. The timestamp
+ # in .exe files is not used.
+ import samba_version
+ v = samba_version.load_version(env=conf.env)
+ version = (v.MAJOR << 16) | (v.MINOR << 8) | v.RELEASE
+ source_date_epoch = str(version)
+
+ conf.env.SOURCE_DATE_EPOCH = source_date_epoch
conf.DEFINE("WINEXE_LDFLAGS",
"-s -Wall -Wl,-Bstatic -Wl,-Bdynamic -luserenv")