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| -rw-r--r-- | Documentation/conf.py | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/Documentation/conf.py b/Documentation/conf.py index f12eb51235da..cdcc8e0f46a6 100644 --- a/Documentation/conf.py +++ b/Documentation/conf.py @@ -123,8 +123,20 @@ autosectionlabel_maxdepth = 2 # mathjax is the default math renderer since Sphinx 1.8. have_latex = have_command('latex') have_dvipng = have_command('dvipng') -load_imgmath = ((have_latex and have_dvipng) - or (major == 1 and minor < 8) +load_imgmath = have_latex and have_dvipng + +# Respect SPHINX_IMGMATH (for html docs only) +if 'SPHINX_IMGMATH' in os.environ: + env_sphinx_imgmath = os.environ['SPHINX_IMGMATH'] + if 'yes' in env_sphinx_imgmath: + load_imgmath = True + elif 'no' in env_sphinx_imgmath: + load_imgmath = False + else: + sys.stderr.write("Unknown env SPHINX_IMGMATH=%s ignored.\n" % env_sphinx_imgmath) + +# Always load imgmath for Sphinx <1.8 or for epub docs +load_imgmath = (load_imgmath or (major == 1 and minor < 8) or 'epub' in sys.argv) if load_imgmath: |