Re: python: Fix compile for in-tree builds (issue 581910043 by jonas.hahnfeld@gmail.com)

[jonas . hahnfeld]

Reviewers: lemzwerg, Jean-Charles, hanwenn,

Message:
pushed:
commit 3b2941a9bd90797e05b0df075c6146b84b6c0062
Author:     Jonas Hahnfeld <hah...@hahnjo.de>
AuthorDate: Thu Apr 16 19:28:07 2020 +0200
Commit:     Jonas Hahnfeld <hah...@hahnjo.de>
CommitDate: Fri Apr 17 20:00:24 2020 +0200

    Issue 5910: python: Fix compile for in-tree builds
    
    Without a separate build tree the source files have relative paths,
    so the build rules must not change the directory.

Description:
python: Fix compile for in-tree builds

Without a separate build tree the source files have relative paths,
so the build rules must not change the directory.

Please review this at https://codereview.appspot.com/581910043/

Affected files (+7, -5 lines):
  M python/GNUmakefile
  M scripts/build/compile.py


Index: python/GNUmakefile
diff --git a/python/GNUmakefile b/python/GNUmakefile
index 
a80baa2716c26492e6ebcd63e95f56f5a483e551..f7aa42bb988da371623ae875779fdae100a5c11b
 100644
--- a/python/GNUmakefile
+++ b/python/GNUmakefile
@@ -11,7 +11,7 @@ include $(depth)/make/stepmake.make
 $(outdir)/%.pyc.dummy: %.py
        $(call ly_progress,Making,$@,(py compile))
        # Do not use buildscript-dir, this has not been traversed yet.
-       cd $(outdir) && $(PYTHON) $(top-src-dir)/scripts/build/compile.py $<
+       $(PYTHON) $(top-src-dir)/scripts/build/compile.py $< $(outdir)
        touch $@
 
 default: $(PY_MODULES_IN:%.py=$(outdir)/%.pyc.dummy)
Index: scripts/build/compile.py
diff --git a/scripts/build/compile.py b/scripts/build/compile.py
index 
f3ea6b30304227d48fdfc20487f8f84fd26a2dbd..c1ad29afefb8709d0319ffe0991922230fe1442c
 100644
--- a/scripts/build/compile.py
+++ b/scripts/build/compile.py
@@ -1,17 +1,19 @@
 #!@PYTHON@
 
 from importlib.util import cache_from_source
-from os.path import basename
+import os.path
 import py_compile
 import sys
 
-if len (sys.argv) != 2:
-    print ('Usage: compile.py <module.py>')
+if len (sys.argv) != 3:
+    print ('Usage: compile.py <module.py> <outdir>')
     sys.exit (1)
 
 src = sys.argv[1]
+outdir = sys.argv[2]
 
 # Compile src file, but store result in current directory.
 
-cfile = cache_from_source (basename(src))
+cfile = cache_from_source (os.path.basename (src))
+cfile = os.path.join (outdir, cfile)
 py_compile.compile (src, cfile=cfile, doraise=True)