When I have BUILD_SPHINX_HTML = YES BUILD_SPHINX_PDF = YES I get this error in my build. Any ideas? I think Sphinx is up to date. Thanks Simon sh validate --fast --no-clean using THREADS=33 make: Entering directory '/5playpen/simonpj/HEAD-3/utils/checkUniques' ./check-uniques.py ../.. make: Leaving directory '/5playpen/simonpj/HEAD-3/utils/checkUniques' ===--- building phase 0 make --no-print-directory -f ghc.mk phase=0 phase_0_builds make[1]: Nothing to be done for 'phase_0_builds'. ===--- building phase 1 make --no-print-directory -f ghc.mk phase=1 phase_1_builds make[1]: Nothing to be done for 'phase_1_builds'. ===--- building final phase make --no-print-directory -f ghc.mk phase=final all /usr/bin/sphinx-build -b html -d docs/users_guide/.doctrees-html -D latex_paper_size=letter docs/users_guide docs/users_guide/build-html/users_guide /usr/bin/sphinx-build -b latex -d docs/users_guide/.doctrees-pdf -D latex_paper_size=letter docs/users_guide docs/users_guide/build-pdf/users_guide /usr/bin/sphinx-build -b man -d docs/users_guide/.doctrees-man docs/users_guide docs/users_guide/build-man Running Sphinx v1.3.6 making output directory... Running Sphinx v1.3.6 Exception occurred: making output directory... Exception occurred: Running Sphinx v1.3.6 making output directory... Exception occurred: File "conf.py", line 13, in <module> from ghc_config import extlinks, version ImportError: No module named ghc_config File "conf.py", line 13, in <module> from ghc_config import extlinks, version ImportError: No module named ghc_config File "conf.py", line 13, in <module> from ghc_config import extlinks, version ImportError: No module named ghc_config The full traceback has been saved in /tmp/sphinx-err-d_zVKs.log, if you want to report the issue to the developers. Please also report this if it was a user error, so that a better error message can be provided next time. A bug report can be filed in the tracker at https://github.com/sphinx-doc/sphinx/issues. Thanks! The full traceback has been saved in /tmp/sphinx-err-hbXcSK.log, if you want to report the issue to the developers. Please also report this if it was a user error, so that a better error message can be provided next time. A bug report can be filed in the tracker at https://github.com/sphinx-doc/sphinx/issues. Thanks! The full traceback has been saved in /tmp/sphinx-err-lmyy8H.log, if you want to report the issue to the developers. Please also report this if it was a user error, so that a better error message can be provided next time. A bug report can be filed in the tracker at https://github.com/sphinx-doc/sphinx/issues. Thanks! docs/users_guide/ghc.mk:28: recipe for target 'docs/users_guide/build-man/ghc.1' failed make[1]: *** [docs/users_guide/build-man/ghc.1] Error 1 make[1]: *** Waiting for unfinished jobs.... docs/users_guide/ghc.mk:16: recipe for target 'docs/users_guide/users_guide.pdf' failed make[1]: *** [docs/users_guide/users_guide.pdf] Error 1 docs/users_guide/ghc.mk:16: recipe for target 'docs/users_guide/build-html/users_guide/index.html' failed make[1]: *** [docs/users_guide/build-html/users_guide/index.html] Error 1 Makefile:122: recipe for target 'all' failed make: *** [all] Error 2 simonpj@cam-05-unx:~/5builds/HEAD-3$