由于缺少文件和对 TeX 目录的未知修改，我在 Mac 中通过终端执行 LaTeX 文件时遇到问题。由于我是新用户，我不想对系统文件进行太多更改，也不想请别人帮忙解决问题。对于 tex 文件“my-slides”，我使用了latex my-slides，但出现以下错误
Shabbirs-MacBook-Pro:slides shabbir$ latex my-slides
This is pdfTeX, Version 3.14159265-2.6-1.40.19 (TeX Live 2018/MacPorts 2018.47642_7) (preloaded format=latex)
restricted \write18 enabled.
entering extended mode
(./my-slides.tex
LaTeX2e <2018-04-01> patch level 2
Babel <3.18> and hyphenation patterns for 3 language(s) loaded.
(/opt/local/share/texmf-texlive/tex/latex/base/article.cls
Document Class: article 2014/09/29 v1.4h Standard LaTeX document class
(/opt/local/share/texmf-texlive/tex/latex/base/size12.clo))
(/opt/local/share/texmf-texlive/tex/latex/graphics/graphicx.sty
(/opt/local/share/texmf-texlive/tex/latex/graphics/keyval.sty)
(/opt/local/share/texmf-texlive/tex/latex/graphics/graphics.sty
(/opt/local/share/texmf-texlive/tex/latex/graphics/trig.sty)
(/opt/local/share/texmf-texlive/tex/latex/graphics-cfg/graphics.cfg)
(/opt/local/share/texmf-texlive/tex/latex/graphics-def/dvips.def)))
(/opt/local/share/texmf-texlive/tex/latex/graphics/color.sty
(/opt/local/share/texmf-texlive/tex/latex/graphics-cfg/color.cfg)
(/opt/local/share/texmf-texlive/tex/latex/graphics/dvipsnam.def))
(/opt/local/share/texmf-texlive/tex/latex/amsmath/amsmath.sty
For additional information on amsmath, use the `?' option.
(/opt/local/share/texmf-texlive/tex/latex/amsmath/amstext.sty
(/opt/local/share/texmf-texlive/tex/latex/amsmath/amsgen.sty))
(/opt/local/share/texmf-texlive/tex/latex/amsmath/amsbsy.sty)
(/opt/local/share/texmf-texlive/tex/latex/amsmath/amsopn.sty))
(/opt/local/share/texmf-texlive/tex/latex/amsfonts/amssymb.sty
(/opt/local/share/texmf-texlive/tex/latex/amsfonts/amsfonts.sty))
(/opt/local/share/texmf-texlive/tex/latex/txfonts.sty)
(/opt/local/share/texmf-texlive/tex/latex/base/fontenc.sty
(/opt/local/share/texmf-texlive/tex/latex/base/t1enc.def)
kpathsea: Running mktextfm ecrm1200
/opt/local/share/texmf-texlive/web2c/mktexnam: Could not map source abbreviation for ecrm1200.
/opt/local/share/texmf-texlive/web2c/mktexnam: Need to update ?
mktextfm: Running mf-nowin -progname=mf \mode:=ljfour; mag:=1; nonstopmode; input ecrm1200
This is METAFONT, Version 2.7182818 (TeX Live 2018/MacPorts 2018.47642_7) (preloaded base=mf)
kpathsea: Running mktexmf ecrm1200
! I can't find file `ecrm1200'.
<*> ...ljfour; mag:=1; nonstopmode; input ecrm1200
Please type another input file name
! Emergency stop.
<*> ...ljfour; mag:=1; nonstopmode; input ecrm1200
Transcript written on mfput.log.
grep: ecrm1200.log: No such file or directory
mktextfm: `mf-nowin -progname=mf \mode:=ljfour; mag:=1; nonstopmode; input ecrm1200' failed to make ecrm1200.tfm.
kpathsea: Appending font creation commands to missfont.log.
! Font T1/cmr/m/n/12=ecrm1200 at 12.0pt not loadable: Metric (TFM) file not fou
nd.
<to be read again>
relax
l.105 \fontencoding\encodingdefault\selectfont
?
我安装了 2015 和 2017 版的 Latex，需要编译dvipdfmx命令才能获得我想要的 pdf 输出。这似乎是字体问题，但如何正确修复它对我来说是个问题。
有人可以帮忙吗？