Issue #17896: Move Windows external lib sources from .. to externals.

.gitignore

@@ -70,4 +70,5 @@ tags
 TAGS
 .coverage
 coverage/
+externals/
 htmlcov/

.hgignore

@@ -92,6 +92,7 @@ Modules/_freeze_importlib
 Modules/_testembed
 .coverage
 coverage/
+externals/
 htmlcov/
 *.gcda
 *.gcno

Lib/tkinter/_fix.py

@@ -48,8 +48,8 @@ def convert_path(s):
 
 prefix = os.path.join(sys.base_prefix,"tcl")
 if not os.path.exists(prefix):
-    # devdir/../tcltk/lib
+    # devdir/externals/tcltk/lib
-    prefix = os.path.join(sys.base_prefix, os.path.pardir, "tcltk", "lib")
+    prefix = os.path.join(sys.base_prefix, "externals", "tcltk", "lib")
     prefix = os.path.abspath(prefix)
 # if this does not exist, no further search is needed
 if os.path.exists(prefix):

Misc/NEWS

@@ -128,6 +128,9 @@ Build
 Windows
 -------
 
+- Issue #17896: The Windows build scripts now expect external library sources
+  to be in ``PCbuild\..\externals`` rather than ``PCbuild\..\..``.
+
 - Issue #17717: The Windows build scripts now use a copy of NASM pulled from
   svn.python.org to build OpenSSL.
 

PCbuild/build_ssl.py

@@ -68,7 +68,7 @@ def get_ssl_dir():
     propfile = (os.path.join(os.path.dirname(__file__), 'pyproject.props'))
     with open(propfile, encoding='utf-8-sig') as f:
         m = re.search('openssl-([^<]+)<', f.read())
-        return "..\..\openssl-"+m.group(1)
+        return "..\externals\openssl-"+m.group(1)
 
 
 def create_makefile64(makefile, m32):

PCbuild/pyproject.props

@@ -16,7 +16,7 @@
     <PyDllName>python34$(PyDebugExt)</PyDllName>
     <PythonExe>$(OutDir)python$(PyDebugExt).exe</PythonExe>
     <KillPythonExe>$(OutDir)kill_python$(PyDebugExt).exe</KillPythonExe>
-    <externalsDir>..\..</externalsDir>
+    <externalsDir>..\externals</externalsDir>
     <sqlite3Dir>$(externalsDir)\sqlite-3.8.3.1</sqlite3Dir>
     <bz2Dir>$(externalsDir)\bzip2-1.0.6</bz2Dir>
     <lzmaDir>$(externalsDir)\xz-5.0.5</lzmaDir>

PCbuild/readme.txt

@@ -224,9 +224,10 @@ _tkinter
 
     Unlike the other external libraries listed above, Tk must be built
     separately before the _tkinter module can be built. This means that
-    a pre-built Tcl/Tk installation is expected in ..\..\tcltk (tcltk64
+    a pre-built Tcl/Tk installation is expected in ..\externals\tcltk
-    for 64-bit) relative to this directory.  See "Getting External
+    (tcltk64 for 64-bit) relative to this directory.  See "Getting
-    Sources" below for the easiest method to ensure Tcl/Tk is built.
+    External Sources" below for the easiest method to ensure Tcl/Tk is
+    built.
 
 
 Getting External Sources
@@ -246,12 +247,12 @@ directory from ..\, i.e.:
 This extracts all the external sub-projects from
     http://svn.python.org/projects/external
 via Subversion (so you'll need an svn.exe on your PATH) and places them
-in ..\.. (relative to this directory).
+in ..\externals (relative to this directory).
 
 It is also possible to download sources from each project's homepage,
 though you may have to change the names of some folders in order to make
 things work.  For instance, if you were to download a version 5.0.7 of
-XZ Utils, you would need to extract the archive into ..\..\xz-5.0.5
+XZ Utils, you would need to extract the archive into ..\externals\xz-5.0.5
 anyway, since that is where the solution is set to look for xz.  The
 same is true for all other external projects.
 
@@ -268,7 +269,7 @@ The external-amd64.bat file contains this for tcl:
 So for a release build, you'd call it as:
     nmake -f makefile.vc MACHINE=AMD64 INSTALLDIR=..\..\tcltk64 clean all install
 
-Note that the above command is called from within ..\..\tcl-8.6.1.0\win
+Note that the above command is called from within ..\externals\tcl-8.6.1.0\win
 (relative to this directory); don't forget to build Tk as well as Tcl!
 
 This will be cleaned up in the future; http://bugs.python.org/issue15968

PCbuild/rt.bat

@@ -38,7 +38,7 @@ if "%1"=="-q" (set qmode=yes)    & shift & goto CheckOpts
 if "%1"=="-d" (set suffix=_d)    & shift & goto CheckOpts
 if "%1"=="-x64" (set prefix=amd64) & (set tcltk=tcltk64) & shift & goto CheckOpts
 
-PATH %PATH%;%~dp0..\..\%tcltk%\bin
+PATH %PATH%;%~dp0..\externals\%tcltk%\bin
 set exe=%prefix%\python%suffix%
 set cmd=%exe% %dashO% -Wd -E -bb ../lib/test/regrtest.py %1 %2 %3 %4 %5 %6 %7 %8 %9
 if defined qmode goto Qmode

Tools/buildbot/external-common.bat

@@ -1,7 +1,8 @@
 @rem Common file shared between external.bat and external-amd64.bat.  Responsible for
 @rem fetching external components into the root\.. buildbot directories.
 
-cd ..
+if not exist externals mkdir externals
+cd externals
 @rem XXX: If you need to force the buildbots to start from a fresh environment, uncomment
 @rem the following, check it in, then check it out, comment it out, then check it back in.
 @rem if exist bzip2-1.0.6 rd /s/q bzip2-1.0.6