Bill, Issue filed along with some further experiments. https://github.com/SCons/scons/issues/3736
I vaguely remember playing with the case-sensitivity options in Windows on this machine years ago, so I tested everything on another machine where Windows is pristine, but no joy, same issue presented in the same manner there, too. Eric On Sat, Jul 4, 2020 at 9:48 PM Bill Deegan <b...@baddogconsulting.com> wrote: > Eric, > > Try pip install SCons==4.0 > Does that make a difference? > > Packaging has been completely rewritten for 4.0.0 so I'm not surprised > there's an issue or two in the field. > (the previous code was written before there was a pip... ;) and then > duct-taped and bailing wired.. so it needed a rewrite) > > Ahh. Interesting because windows is case insensitive.. > > Please file an Issue. > > Hoping to take a break tomorrow and I'll look at it on monday.. unless > someone else feels like taking a wack at fixing that.. ;) > > -Bill > > On Sat, Jul 4, 2020 at 7:41 PM Eric Fahlgren <ericfahlg...@gmail.com> > wrote: > >> First, Bill and Mats and everyone else, thanks for your continued >> development of SCons! >> >> I ran into a strange, probably Windows-specific issue upon installing >> 4.0.0. I simply did "pip install scons==4.0.0" without issue, but when I >> ran "scons some_target", I got this: >> >> Traceback (most recent call last): >> File "c:\program files\python38\lib\runpy.py", line 194, in >> _run_module_as_main >> return _run_code(code, main_globals, None, >> File "c:\program files\python38\lib\runpy.py", line 87, in _run_code >> exec(code, run_globals) >> File "C:\Program Files\Python38\Scripts\scons.exe\__main__.py", line 4, >> in <module> >> SCons.Script.main() >> ModuleNotFoundError: No module named 'SCons' >> >> It turns out that pip didn't name the installation directory >> "site-packages/*SCons*", but rather all-lower-case "site-packages/*scons*" >> (as it was with 3.1.2), so none of the run commands, scripts or tools will >> load. I did "pip uninstall -y scons", made sure Lib/site-packages was >> clean, reinstalled 4.0.0 and everything was fine. It appears that pip is >> not removing the old installation completely and leaving the top-level >> directory there with improper character case, but only when it does an >> "install over old". I reproduced this a couple times, reinstalling 3.1 and >> then 4.0 over it to confirm. >> >> On Sat, Jul 4, 2020 at 3:57 PM Bill Deegan <b...@baddogconsulting.com> >> wrote: >> >>> A new SCons release, 4.0.0, is now available >>> on the SCons download page: >>> >>> https://scons.org/pages/download.html >>> >>> Here is a summary of the changes since 3.1.2: >>> >>> NEW FUNCTIONALITY >>> >>> - Added support for scanning multiple entries in an action string if >>> IMPLICIT_COMMAND_DEPENDENCIES is set to 2 or 'all'. This enables >>> more thorough >>> action scanning where every item in each command line is scanned >>> to determine >>> if it is a non-source and non-target path and added to the list of >>> implicit dependencies >>> for the target. >>> - Added new module SCons.Scanner.Python to allow scanning .py files. >>> - Added support for explicitly passing a name when creating Value() >>> nodes. This may be useful >>> when the value can't be converted to a string or if having a name >>> is otherwise desirable. >>> - Added a new flag called "linedraw" for the command line argument >>> "--tree" >>> that instructs scons to use single line drawing characters to draw >>> the dependency tree. >>> - Add CompilationDatabase() builder in compilation_db tool. >>> Contributed by MongoDB. >>> Setting COMPILATIONDB_USE_ABSPATH to True|False controls whether >>> the files are absolute or relative >>> paths. Address Issue #3693 and #3694 found during development. >>> - Extended `Environment.Dump()` to select a format to serialize >>> construction variables (pretty, json). >>> - New conditional C Scanner (`SCons.Scanner.C.CConditionalScanner()`) >>> which interprets C/C Preprocessor conditional syntax (#ifdef, #if, >>> #else, >>> #elif, #define, etc.) >>> - Experimental New Feature: Enable caching MSVC configuration >>> If SCONS_CACHE_MSVC_CONFIG shell environment variable is set, >>> SCons will cache the results of past calls to vcvarsall.bat to >>> a file; integrates with existing memoizing of such vars. >>> - Preliminary Python 3.9 support. >>> >>> DEPRECATED FUNCTIONALITY >>> >>> - Drop support for Python 2.7. SCons will be Python 3.5+ going >>> forward. >>> - Remove deprecated SourceCode() >>> >>> CHANGED/ENHANCED EXISTING FUNCTIONALITY >>> >>> - Added check for SONAME in environment to setup symlinks correctly >>> (Github Issue #3246) >>> - Resolve Issue #3248 - Removing '-Wl,-Bsymbolic' from >>> SHLIBVERSIONFLAGS >>> NOTE: If your build depends on the above you must now add to your >>> SHLIBVERSIONFLAGS >>> - Microsoft Visual Studio - switch to using uuid module to generate >>> GUIDs rather than hand rolled >>> method using md5 directly. >>> NOTE: This change affects the following builders' output. If your >>> build depends on the output of these builders >>> you will likely see a rebuild. >>> * Package() (with PACKAGETYPE='msi') >>> * MSVSSolution() >>> * MSVSProject() >>> - Improve Visual Studio solution/project generation code to add >>> support >>> for a per-variant cppflags. Intellisense can be affected by >>> cppflags, >>> this is especially important when it comes to /std:c++* which >>> specifies >>> what C++ standard version to target. SCons will append >>> /Zc:__cplusplus >>> to the project's cppflags when a /std:c++* flag is found as this is >>> required for intellisense to use the C++ standard version from >>> cppflags. >>> - Allow user specified location for vswhere.exe specified by VSWHERE. >>> NOTE: This must be set at the time the 'msvc' 'msvs' and/or >>> 'mslink' tool(s) are initialized to have any effect. >>> - Fixed Github Issue 3628 - Hardcoding pickle protocol to 4 >>> (supports python 3.4+) >>> and skipping Python 3.8's new pickle protocol 5 whose main >>> advantage is for out-of-band data buffers. >>> NOTE: If you used Python 3.8 with SCons 3.0.0 or above, you may >>> get a a pickle protocol error. Remove your >>> .sconsign.dblite. You will end up with a full rebuild. >>> - MSVC updates: When there are multiple product installations (e.g, >>> Community and >>> Build Tools) of MSVC 2017 or MSVC 2019, an Enterprise, >>> Professional, >>> or Community installation will be selected before a Build Tools >>> installation when >>> "14.1" or "14.2" is requested, respectively. (GH Issue #3699). >>> - MSVC updates: When there are multiple product installations of >>> MSVC 2017 (e.g., >>> Community and Express), 2017 Express is no longer returned when >>> "14.1" is >>> requested. Only 2017 Express will be returned when "14.1Exp" is >>> requested. >>> (GH Issue #3699). >>> - MSVC updates: pass on VSCMD_DEBUG and VSCMD_SKIP_SENDTELEMETRY to >>> msvc >>> tool setup if set in environment. Add Powershell to default env >>> (used to call telemetry script). >>> - Renamed as.py to asm.py and left redirecting tool. 'as' is a >>> reserved word and so >>> changing the name was required as we wanted to import symbols for >>> use in compilation_db >>> tool. >>> - Add no_progress (-Q) option as a set-able option. However, setting >>> it in the >>> SConstruct/SConscript will still cause "scons: Reading SConscript >>> files ..." to be >>> printed, since the option is not set when the build scripts first >>> get read. >>> - Docbook builder provides a fallback if lxml fails to generate >>> a document with tostring(). >>> - SubstitutionEnvironment and OverrideEnvironment now have keys() >>> and values() methods to better emulate a dict (already had >>> items()). >>> >>> FIXES >>> >>> - Cleanup dangling symlinks before running builders (Issue #3516) >>> - Fixed usage of abspath and path for RootDir objects on Windows. >>> Previously >>> env.fs.Dir("T:").abspath would return "T:\T:" and now it correctly >>> returns "T:". >>> - Fix Issue #3469 - Fixed improper reuse of temporary and compiled >>> files by Configure when changing >>> the order and/or number of tests. This is done by using the hash >>> of the generated temporary files >>> content and (For the target files) the hash of the action. >>> So where previously files would be named: >>> - config_1.c, config_1.o, config_1 >>> The will now be named (For example) >>> - conftest_68b375d16e812c43e6d72d6e93401e7c_0.c, >>> >>> conftest_68b375d16e812c43e6d72d6e93401e7c_0_5713f09fc605f46b2ab2f7950455f187.o >>> or >>> conftest_68b375d16e812c43e6d72d6e93401e7c_0.o >>> >>> conftest_68b375d16e812c43e6d72d6e93401e7c_0_5713f09fc605f46b2ab2f7950455f187 >>> (for executable) >>> - Updated documentation toolchain to work properly under Python3, >>> also >>> removed libxslt support from the Docbook Tool. (issue #3580) >>> - Fix broken clang + MSVC 2019 combination by using MSVC >>> configuration logic to >>> propagate 'VCINSTALLDIR' and 'VCToolsInstallDir' which clang tools >>> use to locate >>> header files and libraries from MSVC install. (Fixes GH Issue >>> #3480) >>> - Fix Github Issue #2904 - Provide useful error message when more >>> than one Configure Contexts are opened. >>> Only one open is allowed. You must call conf.Finish() to complete >>> the currently open one before creating another >>> >>> IMPROVEMENTS >>> >>> - Improve performance of Subst by preventing unnecessary frame >>> allocations by no longer defining the *Subber classes inside of >>> their >>> respective function calls. >>> - Improve performance of Subst in some cases by preventing >>> unnecessary calls to eval when a token is surrounded in braces >>> but is not a function call. >>> - Improve performance of subst by removing unnecessary recursion. >>> >>> PACKAGING >>> >>> - Resolve Issue #3451 and Issue #3450 - Rewrite SCons setup.py and >>> packaging. Move script logic to entry points so >>> package can create scripts which use the correct version of Python. >>> >>> DOCUMENTATION >>> >>> - Significant rework of documentation: API docs are now generated >>> using Sphinx; manpage and user guide now use more "standard" >>> markup elements (which could facilitate later conversion to a >>> different doc format, should that choice be made); significant >>> rewordings in manpage. Manpage Examples moved to an external >>> repository / website (scons-cookbook.readthedocs.io). >>> >>> Thanks to the following contributors listed below for their >>> contributions to this release. >>> >>> git shortlog --no-merges -ns 3.1.2..HEAD >>> 290 William Deegan >>> 184 Mats Wichmann >>> 46 Adam Gross >>> 22 Daniel Moody >>> 16 Joseph Brill >>> 15 Dirk Baechle >>> 12 Ivan Kravets >>> 9 Mathew Robinson >>> 6 Paul Tipei >>> 1 Rob Boehne >>> 1 Robert Boehne >>> 1 Daniel >>> 1 Andrew Morrow >>> 1 Iosif Daniel Kurazs >>> 1 James Benton >>> 1 Jeremy Elson >>> 1 Konstantin Gonchar >>> 1 Andrii Doroshenko (Xrayez) >>> _______________________________________________ >>> Scons-users mailing list >>> scons-us...@scons.org >>> https://pairlist4.pair.net/mailman/listinfo/scons-users >>> >> _______________________________________________ >> Scons-dev mailing list >> Scons-dev@scons.org >> https://pairlist2.pair.net/mailman/listinfo/scons-dev >> > _______________________________________________ > Scons-users mailing list > scons-us...@scons.org > https://pairlist4.pair.net/mailman/listinfo/scons-users >
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