Current nightly builds can't be configured to use the modern theme. This option is simply not available from the menu. When trying to create a SeaMonkey package the build fails telling that the corresponding xpi package for the modern theme can't be found. I suspect this to happen on all platforms but haven't found any bugs yet. I'm not too happy to hard-code the path in moz.build but I haven't found a way to use a pre-defined build variable for e.g. $(DIST). In the meantime this attachment may serve as a band-aid patch.

To add a bit of info to this bug: For quite a few days now (not sure since when) the Windows SeaMonkey builds fail in the packaging step: ========= Started 'python2.7 e:/builds/slave/c-cen-t-w32-dbg/build/build/pymake/make.py ...' failed (results: 2, elapsed: 10 secs) (at 2013-11-01 23:23:52.319317) ========== 'python2.7' 'e:/builds/slave/c-cen-t-w32-dbg/build/build/pymake/make.py' 'package' [...] e:/builds/slave/c-cen-t-w32-dbg/build/objdir/mozilla/_virtualenv/Scripts/python.exe e:/builds/slave/c-cen-t-w32-dbg/build/mozilla/toolkit/mozapps/installer/packager.py -DOSTYPE=\"WINNT5.2\" -DOSARCH=WINNT -DNO_NSPR_10_SUPPORT -DAB_CD=en-US -DMOZ_APP_NAME=seamonkey -DPREF_DIR=defaults/pref -DJAREXT= -DENABLE_TESTS=1 -DMOZ_ANGLE_RENDERER=1 -DMOZ_D3DCOMPILER_DLL=D3DCompiler_43.dll -DMOZ_DEBUG=1 -DMOZ_PACKAGE_DEBUGQA=1 -D_MSC_VER=1600 -DMOZ_URL_CLASSIFIER=1 -DMOZ_UPDATER=1 -DNECKO_WIFI=1 -DMOZ_MSVC_REDIST=1600 -DMOZ_SHARED_MOZGLUE=1 -DWIN_OR_OS2=1 -DMOZ_CHILD_PROCESS_NAME=plugin-container.exe -DDLL_PREFIX= -DDLL_SUFFIX=.dll -DBIN_SUFFIX=.exe -DBINPATH=bin \ --format omni \ [...] Error: e:\builds\slave\c-cen-t-w32-dbg\build\objdir\suite\installer\package-manifest:367: Missing file(s): bin/extensions/modern@themes.mozilla.org.xpi This broke sometime between 21th and 30th of October, cannot narrow this down more exactly via official builds as other build errors occurred during that time.

Another possibility would be to copy the Makefile rules from classic theme: http://mxr.mozilla.org/comm-central/source/suite/themes/classic/Makefile.in I've asked in Bug 931017 regarding $(DIST).

(In reply to Frank Wein [:mcsmurf] from comment #3) > Another possibility would be to copy the Makefile rules from classic theme: > http://mxr.mozilla.org/comm-central/source/suite/themes/classic/Makefile.in > I've asked in Bug 931017 regarding $(DIST). As proposed by Neil in a thread in mozilla.dev.apps.seamonkey i am using -FINAL_TARGET = 'dist/bin/extensions/modern@themes.mozilla.org' +DIST_SUBDIR = 'extensions/modern@themes.mozilla.org'

Since FINAL_TARGET used to be defined in terms of $(DIST) it should have been converted to DIST_SUBDIR in the first place.

Pushed patch to get builds working again: https://hg.mozilla.org/comm-central/rev/7551898bf269

Comment on attachment 826290 [details] [diff] [review] Use DIST_SUBDIR instead [Approval Request Comment] Regression caused by (bug #): Bug 931017 User impact if declined: No modern theme in SeaMonkey builds Testing completed (on m-c, etc.): Works fine on trunk Risk to taking this patch (and alternatives if risky): none String changes made by this patch: - Patch needs to land on aurora as well as Bug 931017 landed before the uplift.

Comment on attachment 826290 [details] [diff] [review] Use DIST_SUBDIR instead a=me comm-aurora as well as anywhere else needed.

Pushed to aurora: https://hg.mozilla.org/releases/comm-aurora/rev/40b649bdc4d7