After some time, 'make doc-pdf' terminates with the following error messages. The key line is
[docpdf] ! Package babel Error: You haven't specified a language option. The tail of the log is: [docpdf] latexmk -pdf -dvi- -ps- 'references.tex' [docpdf] Latexmk: This is Latexmk, John Collins, 18 June 2019, version: 4.65. [docpdf] Rule 'pdflatex': The following rules & subrules became out-of-date: [docpdf] 'pdflatex' [docpdf] ------------ [docpdf] Run number 1 of rule 'pdflatex' [docpdf] ------------ [docpdf] ------------ [docpdf] Running 'pdflatex -recorder "references.tex"' [docpdf] ------------ [docpdf] Latexmk: applying rule 'pdflatex'... [docpdf] This is pdfTeX, Version 3.14159265-2.6-1.40.19 (TeX Live 2018) (preloaded format=pdflatex) [docpdf] restricted \write18 enabled. [docpdf] entering extended mode [docpdf] (./references.tex [docpdf] LaTeX2e <2017-04-15> [docpdf] Babel <3.17> and hyphenation patterns for 3 language(s) loaded. [docpdf] (./sphinxmanual.cls [docpdf] Document Class: sphinxmanual 2018/12/22 v1.8.3 Document class (Sphinx manual) [docpdf] (/usr/share/texlive/texmf-dist/tex/latex/base/report.cls [docpdf] Document Class: report 2014/09/29 v1.4h Standard LaTeX document class [docpdf] (/usr/share/texlive/texmf-dist/tex/latex/base/size10.clo))) [docpdf] (/usr/share/texlive/texmf-dist/tex/latex/base/inputenc.sty [docpdf] (/usr/share/texlive/texmf-dist/tex/latex/base/utf8.def [docpdf] (/usr/share/texlive/texmf-dist/tex/latex/base/t1enc.dfu) [docpdf] (/usr/share/texlive/texmf-dist/tex/latex/base/ot1enc.dfu) [docpdf] (/usr/share/texlive/texmf-dist/tex/latex/base/omsenc.dfu))) [docpdf] (/usr/share/texlive/texmf-dist/tex/latex/cmap/cmap.sty) [docpdf] (/usr/share/texlive/texmf-dist/tex/latex/base/fontenc.sty [docpdf] (/usr/share/texlive/texmf-dist/tex/latex/base/t1enc.def)<<t1.cmap>>) [docpdf] (/usr/share/texlive/texmf-dist/tex/latex/amsmath/amsmath.sty [docpdf] For additional information on amsmath, use the `?' option. [docpdf] (/usr/share/texlive/texmf-dist/tex/latex/amsmath/amstext.sty [docpdf] (/usr/share/texlive/texmf-dist/tex/latex/amsmath/amsgen.sty)) [docpdf] (/usr/share/texlive/texmf-dist/tex/latex/amsmath/amsbsy.sty) [docpdf] (/usr/share/texlive/texmf-dist/tex/latex/amsmath/amsopn.sty)) [docpdf] (/usr/share/texlive/texmf-dist/tex/latex/amsfonts/amssymb.sty [docpdf] (/usr/share/texlive/texmf-dist/tex/latex/amsfonts/amsfonts.sty)) [docpdf] (/usr/share/texlive/texmf-dist/tex/generic/babel/babel.sty [docpdf] (/usr/share/texlive/texmf-dist/tex/generic/babel/switch.def) [docpdf] [docpdf] ! Package babel Error: You haven't specified a language option. [docpdf] [docpdf] See the babel package documentation for explanation. [docpdf] Type H <return> for immediate help. [docpdf] ... [docpdf] [docpdf] l.467 ...ry to proceed from here, type x to quit.} [docpdf] [docpdf] ? [docpdf] ! Emergency stop. [docpdf] ... [docpdf] [docpdf] l.467 ...ry to proceed from here, type x to quit.} [docpdf] [docpdf] ! ==> Fatal error occurred, no output PDF file produced! [docpdf] Transcript written on references.log. [docpdf] Collected error summary (may duplicate other messages): [docpdf] pdflatex: Command for 'pdflatex' gave return code 1 [docpdf] Refer to 'references.log' for details [docpdf] Latexmk: Use the -f option to force complete processing, [docpdf] unless error was exceeding maximum runs, or warnings treated as errors. [docpdf] === TeX engine is 'pdfTeX' [docpdf] Latexmk: Errors, so I did not complete making targets [docpdf] make[2]: *** [Makefile:33: references.pdf] Error 12 [docpdf] make[2]: Leaving directory '/home/mjs/src/sage-9.0/local/share/doc/sage/latex/en/reference/references' [docpdf] Error building the documentation. [docpdf] Traceback (most recent call last): [docpdf] File "/home/mjs/src/sage-9.0/local/lib/python3.7/runpy.py", line 193, in _run_module_as_main [docpdf] "__main__", mod_spec) [docpdf] File "/home/mjs/src/sage-9.0/local/lib/python3.7/runpy.py", line 85, in _run_code [docpdf] exec(code, run_globals) [docpdf] File "/home/mjs/src/sage-9.0/local/lib/python3.7/site-packages/sage_setup/docbuild/__main__.py", line 2, in <module> [docpdf] main() [docpdf] File "/home/mjs/src/sage-9.0/local/lib/python3.7/site-packages/sage_setup/docbuild/__init__.py", line 1720, in main [docpdf] builder() [docpdf] File "/home/mjs/src/sage-9.0/local/lib/python3.7/site-packages/sage_setup/docbuild/__init__.py", line 332, in _wrapper [docpdf] getattr(get_builder(document), name)(*args, **kwds) [docpdf] File "/home/mjs/src/sage-9.0/local/lib/python3.7/site-packages/sage_setup/docbuild/__init__.py", line 550, in _wrapper [docpdf] self._build_bibliography(lang, format, *args, **kwds) [docpdf] File "/home/mjs/src/sage-9.0/local/lib/python3.7/site-packages/sage_setup/docbuild/__init__.py", line 527, in _build_bibliography [docpdf] build_many(build_ref_doc, references) [docpdf] File "/home/mjs/src/sage-9.0/local/lib/python3.7/site-packages/sage_setup/docbuild/__init__.py", line 280, in build_many [docpdf] _build_many(target, args, processes=NUM_THREADS) [docpdf] File "/home/mjs/src/sage-9.0/local/lib/python3.7/site-packages/sage_setup/docbuild/utils.py", line 283, in build_many [docpdf] raise worker_exc.original_exception [docpdf] RuntimeError: failed to run $MAKE all-pdf in /home/mjs/src/sage-9.0/local/share/doc/sage/latex/en/reference/references make[1]: *** [Makefile:2035: doc-pdf] Error 1 make[1]: Leaving directory '/home/mjs/src/sage-9.0/build/make' real 4m37.627s user 24m49.083s sys 1m9.893s *************************************************************** Error building Sage. The following package(s) may have failed to build (not necessarily during this run of 'make doc-pdf'): * documentation: docpdf log file: /home/mjs/src/sage-9.0/logs/pkgs/../docpdf.log The build directory may contain configuration files and other potentially helpful information. WARNING: if you now run 'make' again, the build directory will, by default, be deleted. Set the environment variable SAGE_KEEP_BUILT_SPKGS to 'yes' to prevent this. -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-devel/0da98b14-b622-4ffa-834f-efd71aab2b6b%40googlegroups.com.
