[CentOS 7] TexLive2017中kpsewhich Bug的修复

使用TexLive有一段时间了，从2015到2017，一直运行如常。

最近，想把以前的文档重新编译，却发现不能正常运行，费了好大一番工夫，才终于修复了这个bug，记录如下。

问题描述：编译一个简单的 *.tex 文件时，经常报告系统文件找不到的错误，无论是 pdflatex，latex，xelatex 命令都有类似的错误。

test.tex 全文：

% test.tex
\documentclass{article}
\begin{document}
hello \LaTeX!
\end{document}

用 pdflatex 命令编译报错：

[...]$ pdflatex test.tex
This is pdfTeX, Version 3.14159265-2.6-1.40.18 (TeX Live 2017) (preloaded format=pdflatex)restricted \write18 enabled.kpathsea: Running mktexfmt pdflatex.fmt
mktexfmt: mktexfmt is using the following fmtutil.cnf files (in precedence order):
mktexfmt:   /usr/local/texlive/2017/texmf-dist/web2c/fmtutil.cnf
mktexfmt: mktexfmt is using the following fmtutil.cnf file for writing changes:
mktexfmt:   /home/She/.texlive2017/texmf-config/web2c/fmtutil.cnf
mktexfmt [INFO]: writing formats under /home/She/.texlive2017/texmf-var/web2c
mktexfmt [INFO]: --- remaking pdflatex with pdftex
mktexfmt: running `pdftex -ini   -jobname=pdflatex -progname=pdflatex -translate-file=cp227.tcx *pdflatex.ini' ...
This is pdfTeX, Version 3.14159265-2.6-1.40.18 (TeX Live 2017) (INITEX)restricted \write18 enabled.(/usr/local/texlive/2017/texmf-dist/web2c/cp227.tcx)
entering extended mode
(/usr/local/texlive/2017/texmf-dist/tex/latex/latexconfig/pdflatex.ini
! I can't find file `pdftexconfig.tex'.
l.2 \input pdftexconfig.tex(Press Enter to retry, or Control-D to exit)
Please type another input file name:
! Emergency stop.
l.2 \input pdftexconfig.texNo pages of output.
Transcript written on pdflatex.log.
mktexfmt [ERROR]: running `pdftex -ini   -jobname=pdflatex -progname=pdflatex -translate-file=cp227.tcx *pdflatex.ini >&2 </dev/null' return status 1
mktexfmt [ERROR]: return error due to options --strict
mktexfmt [INFO]: Disabled formats: 6
mktexfmt [INFO]: Not selected formats: 43
mktexfmt [INFO]: Failed to build: 1 (pdftex/pdflatex)
mktexfmt [INFO]: Total formats: 50
mktexfmt [INFO]: exiting with status 1
I can't find the format file `pdflatex.fmt'!

实际上，上述文件 pdftexconfig.tex 和 pdflatex.fmt 是存在的，它们分别位于 /usr/local/texlive/2017/texmf-dist/tex/generic/tex-ini-files/pdftexconfig.tex 和 /usr/local/texlive/2017/texmf-var/web2c/pdftex/pdflatex.fmt 。

推断这是由于该文件并不在搜索路径内，以致于无法找到它们。接下来就是修复搜索路径的问题。

此时，TexLive 2017 的系统环境变量为

[...]$ cat /etc/profile.d/texlive2017.sh
#!/bin/bash
# setting for TexLive 2017 environment variables, edit by She
export TEXMF=/usr/local/texlive/2017/texmf-dist
export PATH=$PATH:$HOME/.local/bin:$HOME/bin:/usr/local/texlive/2017/bin/x86_64-linux
export MANPATH=/usr/local/texlive/2017/texmf-dist/doc/man:$MANPATH
export INFOPATH=/usr/local/texlive/2017/texmf-dist/doc/info:$INFOPATH
export TEXINPUTS=/usr/local/texlive/2017/texmf-dist/tex/latex/latexconfig

相应地，可以看到 kpsewhich 命令并不能搜索到相应的系统文件（这里以 minted.sty 文件为例），而且 TexLive 2017 下 tlmgr 工具的参数设置如下，红色带下划线的文字是我添加的注释：

[...]$ kpsewhich pdflatex.ini
/usr/local/texlive/2017/texmf-dist/tex/latex/latexconfig/pdflatex.ini
[...]$ kpsewhich --show-path=.sty
/usr/local/texlive/2017/texmf-dist/tex/latex/latexconfig [...]$ kpsewhich minted.sty # 这个命令没有返回结果，说明 kpsewhich 的搜索路径设置不当[...]$[...]$ tlmgr conf
=========================== version information ==========================
tlmgr revision 44836 (2017-07-18 01:59:48 +0200)
tlmgr using installation: /usr/local/texlive/2017
TeX Live (http://tug.org/texlive) version 2017==================== executables found by searching PATH =================
PATH: /usr/local/texlive/2017/bin/x86_64-linux:/usr/lib64/qt-3.3/bin:/usr/local/bin:/usr/local/sbin:/usr/bin:/usr/sbin:/bin:/sbin:/opt/pgi/linux86-64/17.4/bin:/home/She/.local/bin:/home/She/bin:/usr/local/texlive/2017/bin/x86_64-linux:/opt/pgi/linux86-64/17.4/bin:/home/She/.local/bin:/home/She/bin:/usr/local/texlive/2017/bin/x86_64-linux
kpsewhich: /usr/local/texlive/2017/bin/x86_64-linux/kpsewhich
updmap: /usr/local/texlive/2017/bin/x86_64-linux/updmap
fmtutil: /usr/local/texlive/2017/bin/x86_64-linux/fmtutil
tlmgr: /usr/local/texlive/2017/bin/x86_64-linux/tlmgr
tex: /usr/local/texlive/2017/bin/x86_64-linux/tex
pdftex: /usr/local/texlive/2017/bin/x86_64-linux/pdftex
mktexpk: /usr/local/texlive/2017/bin/x86_64-linux/mktexpk
dvips: /usr/local/texlive/2017/bin/x86_64-linux/dvips
dvipdfmx: /usr/local/texlive/2017/bin/x86_64-linux/dvipdfmx
=========================== active config files ==========================
texmf.cnf: /usr/local/texlive/2017/texmf.cnf
texmf.cnf: /usr/local/texlive/2017/texmf-dist/web2c/texmf.cnf
updmap.cfg: /usr/local/texlive/2017/texmf-dist/web2c/updmap.cfg
fmtutil.cnf: /usr/local/texlive/2017/texmf-dist/web2c/fmtutil.cnf
config.ps: /usr/local/texlive/2017/texmf-dist/dvips/config/config.ps
mktex.cnf: /usr/local/texlive/2017/texmf-dist/web2c/mktex.cnf
pdftexconfig.tex: ============================= font map files =============================
psfonts.map: /usr/local/texlive/2017/texmf-dist/fonts/map/dvips/updmap/psfonts.map
pdftex.map: /usr/local/texlive/2017/texmf-dist/fonts/map/pdftex/updmap/pdftex.map
ps2pk.map: /usr/local/texlive/2017/texmf-dist/fonts/map/dvips/updmap/ps2pk.map
kanjix.map: /usr/local/texlive/2017/texmf-dist/fonts/map/dvipdfmx/updmap/kanjix.map
=========================== kpathsea variables ===========================
TEXMFMAIN=/usr/local/texlive/2017/texmf-dist
TEXMFDIST=/usr/local/texlive/2017/texmf-dist
TEXMFLOCAL=/usr/local/texlive/texmf-local
TEXMFSYSVAR=/usr/local/texlive/2017/texmf-var
TEXMFSYSCONFIG=/usr/local/texlive/2017/texmf-config
TEXMFVAR=/home/She/.texlive2017/texmf-var
TEXMFCONFIG=/home/She/.texlive2017/texmf-config
TEXMFHOME=/home/She/texmf
VARTEXFONTS=/home/She/.texlive2017/texmf-var/fonts
TEXMF=/usr/local/texlive/2017/texmf-dist
SYSTEXMF=/usr/local/texlive/2017/texmf-var:/usr/local/texlive/texmf-local:/usr/local/texlive/2017/texmf-dist
TEXMFDBS={!!/usr/local/texlive/texmf-local,!!/usr/local/texlive/2017/texmf-config,!!/usr/local/texlive/2017/texmf-var,!!/usr/local/texlive/2017/texmf-dist}
WEB2C=/usr/local/texlive/2017/texmf-dist/web2c
TEXPSHEADERS=.:/usr/local/texlive/2017/texmf-dist/{dvips,fonts/{enc,type1,type42,type3}}//
TEXCONFIG=/usr/local/texlive/2017/texmf-dist/dvips//
ENCFONTS=.:/usr/local/texlive/2017/texmf-dist/fonts/enc//
TEXFONTMAPS=.:/usr/local/texlive/2017/texmf-dist/fonts/map/{kpsewhich,pdftex,dvips,}//
==== kpathsea variables from environment only (ok if no output here) ====
TEXINPUTS=/usr/local/texlive/2017/texmf-dist/tex/latex/latexconfig[...]$ echo $TEXINPUTS
/usr/local/texlive/2017/texmf-dist/tex/latex/latexconfig[...]$

注意到，minted.sty 文件的默认路径为 /usr/local/texlive/2017/texmf-dist/tex/latex/minted/minted.sty，而 kpsewhich 命令并不能搜索到它，这是因为 kpsewhich 的搜索目录设置不当；tlmgr 命令返回的参数中有两处错误（红色背景所示），一是 pdftexconfig.tex 的位置未指定，二是 $TEXINPUTS 的内容仅由系统的环境变量所指定，而不会使用 TexLive 默认的目录设置（TexLive 专用的树形目录结构 TDS）。特别指出，tlmgr 命令的第二个错误写道：“==== kpathsea variables from environment only (ok if no output here) ====”，以后可以利用这里的输出字段来查询是否定义了冲突的系统变量。

接下来，修改 TexLive 2017 环境变量的设置文件，并且更新 TexLive 的设置。

[...]$ vi ~/Documents/texlive2017.sh
#!/bin/bash
# setting for TexLive 2017 environment variables, edit by She
export PATH=$PATH:$HOME/.local/bin:$HOME/bin:/usr/local/texlive/2017/bin/x86_64-linux
export MANPATH=/usr/local/texlive/2017/texmf-dist/doc/man:$MANPATH
export INFOPATH=/usr/local/texlive/2017/texmf-dist/doc/info:$INFOPATH[...]$ sudo cp ~/Documents/texlive2017.sh /etc/profile.d/texlive2017.sh[...]$ source /etc/profile.d/texlive2017.sh[...]$ sudo texhash

注销，再重新登录。

此时，查询这个变量 $TEXINPUTS 是否有值，再重复之前的 pdflatex 编译工作，可以看到 pdflatex 命令运行正常，可以生成相应的 test.pdf 文件：

[...]$ echo $TEXINPUTS[...]$ pdflatex test.tex
This is pdfTeX, Version 3.14159265-2.6-1.40.18 (TeX Live 2017) (preloaded format=pdflatex)restricted \write18 enabled.
entering extended mode
(./test.tex
LaTeX2e <2017-04-15>
Babel <3.12> and hyphenation patterns for 84 language(s) loaded.
(/usr/local/texlive/2017/texmf-dist/tex/latex/base/article.cls
Document Class: article 2014/09/29 v1.4h Standard LaTeX document class
(/usr/local/texlive/2017/texmf-dist/tex/latex/base/size10.clo)) (./test.aux)
[1{/usr/local/texlive/2017/texmf-var/fonts/map/pdftex/updmap/pdftex.map}]
(./test.aux) )</usr/local/texlive/2017/texmf-dist/fonts/type1/public/amsfonts/c
m/cmr10.pfb></usr/local/texlive/2017/texmf-dist/fonts/type1/public/amsfonts/cm/
cmr7.pfb>
Output written on test.pdf (1 page, 19263 bytes).
Transcript written on test.log.

而且，tlmgr 工具的参数以及 kpsewhich 查询测试均正常，结果如下：

[...]$ kpsewhich --show-path=.sty
.:/home/She/.texlive2017/texmf-config/tex/kpsewhich//:/home/She/.texlive2017/texmf-var/tex/kpsewhich//:/home/She/texmf/tex/kpsewhich//:!!/usr/local/texlive/texmf-local/tex/kpsewhich//:!!/usr/local/texlive/2017/texmf-config/tex/kpsewhich//:!!/usr/local/texlive/2017/texmf-var/tex/kpsewhich//:!!/usr/local/texlive/2017/texmf-dist/tex/kpsewhich//:/home/She/.texlive2017/texmf-config/tex/generic//:/home/She/.texlive2017/texmf-var/tex/generic//:/home/She/texmf/tex/generic//:!!/usr/local/texlive/texmf-local/tex/generic//:!!/usr/local/texlive/2017/texmf-config/tex/generic//:!!/usr/local/texlive/2017/texmf-var/tex/generic//:!!/usr/local/texlive/2017/texmf-dist/tex/generic//:/home/She/.texlive2017/texmf-config/tex///:/home/She/.texlive2017/texmf-var/tex///:/home/She/texmf/tex///:!!/usr/local/texlive/texmf-local/tex///:!!/usr/local/texlive/2017/texmf-config/tex///:!!/usr/local/texlive/2017/texmf-var/tex///:!!/usr/local/texlive/2017/texmf-dist/tex/// [...]$ kpsewhich --show-path=.fmt .:/home/She/.texlive2017/texmf-config/web2c/unsetengine:/home/She/.texlive2017/texmf-var/web2c/unsetengine:/home/She/texmf/web2c/unsetengine:!!/usr/local/texlive/texmf-local/web2c/unsetengine:!!/usr/local/texlive/2017/texmf-config/web2c/unsetengine:!!/usr/local/texlive/2017/texmf-var/web2c/unsetengine:!!/usr/local/texlive/2017/texmf-dist/web2c/unsetengine:/home/She/.texlive2017/texmf-config/web2c:/home/She/.texlive2017/texmf-var/web2c:/home/She/texmf/web2c:!!/usr/local/texlive/texmf-local/web2c:!!/usr/local/texlive/2017/texmf-config/web2c:!!/usr/local/texlive/2017/texmf-var/web2c:!!/usr/local/texlive/2017/texmf-dist/web2c [...]$ which kpsewhich /usr/local/texlive/2017/bin/x86_64-linux/kpsewhich [...]$ kpsewhich minted.sty /usr/local/texlive/2017/texmf-dist/tex/latex/minted/minted.sty [...]$ kpsewhich pdflatex.fmt [...]$ kpsewhich pdflatex.ini /usr/local/texlive/2017/texmf-dist/tex/latex/latexconfig/pdflatex.in[...]$ tlmgr conf
=========================== version information ==========================
tlmgr revision 44836 (2017-07-18 01:59:48 +0200)
tlmgr using installation: /usr/local/texlive/2017
TeX Live (http://tug.org/texlive) version 2017==================== executables found by searching PATH =================
PATH: /usr/local/texlive/2017/bin/x86_64-linux:/usr/lib64/qt-3.3/bin:/usr/local/bin:/usr/local/sbin:/usr/bin:/usr/sbin:/bin:/sbin:/opt/pgi/linux86-64/17.4/bin:/home/She/.local/bin:/home/She/bin:/usr/local/texlive/2017/bin/x86_64-linux:/opt/pgi/linux86-64/17.4/bin:/home/She/.local/bin:/home/She/bin:/usr/local/texlive/2017/bin/x86_64-linux
kpsewhich: /usr/local/texlive/2017/bin/x86_64-linux/kpsewhich
updmap: /usr/local/texlive/2017/bin/x86_64-linux/updmap
fmtutil: /usr/local/texlive/2017/bin/x86_64-linux/fmtutil
tlmgr: /usr/local/texlive/2017/bin/x86_64-linux/tlmgr
tex: /usr/local/texlive/2017/bin/x86_64-linux/tex
pdftex: /usr/local/texlive/2017/bin/x86_64-linux/pdftex
mktexpk: /usr/local/texlive/2017/bin/x86_64-linux/mktexpk
dvips: /usr/local/texlive/2017/bin/x86_64-linux/dvips
dvipdfmx: /usr/local/texlive/2017/bin/x86_64-linux/dvipdfmx
=========================== active config files ==========================
texmf.cnf: /usr/local/texlive/2017/texmf.cnf
texmf.cnf: /usr/local/texlive/2017/texmf-dist/web2c/texmf.cnf
updmap.cfg: /usr/local/texlive/2017/texmf-dist/web2c/updmap.cfg
fmtutil.cnf: /usr/local/texlive/2017/texmf-dist/web2c/fmtutil.cnf
config.ps: /usr/local/texlive/2017/texmf-dist/dvips/config/config.ps
mktex.cnf: /usr/local/texlive/2017/texmf-dist/web2c/mktex.cnf
pdftexconfig.tex: /usr/local/texlive/2017/texmf-dist/tex/generic/tex-ini-files/pdftexconfig.tex
============================= font map files =============================
psfonts.map: /usr/local/texlive/2017/texmf-var/fonts/map/dvips/updmap/psfonts.map
pdftex.map: /usr/local/texlive/2017/texmf-var/fonts/map/pdftex/updmap/pdftex.map
ps2pk.map: /usr/local/texlive/2017/texmf-var/fonts/map/dvips/updmap/ps2pk.map
kanjix.map: /usr/local/texlive/2017/texmf-var/fonts/map/dvipdfmx/updmap/kanjix.map
=========================== kpathsea variables ===========================
TEXMFMAIN=/usr/local/texlive/2017/texmf-dist
TEXMFDIST=/usr/local/texlive/2017/texmf-dist
TEXMFLOCAL=/usr/local/texlive/texmf-local
TEXMFSYSVAR=/usr/local/texlive/2017/texmf-var
TEXMFSYSCONFIG=/usr/local/texlive/2017/texmf-config
TEXMFVAR=/home/She/.texlive2017/texmf-var
TEXMFCONFIG=/home/She/.texlive2017/texmf-config
TEXMFHOME=/home/She/texmf
VARTEXFONTS=/home/She/.texlive2017/texmf-var/fonts
TEXMF={{}/home/She/.texlive2017/texmf-config,/home/She/.texlive2017/texmf-var,/home/She/texmf,!!/usr/local/texlive/texmf-local,!!/usr/local/texlive/2017/texmf-config,!!/usr/local/texlive/2017/texmf-var,!!/usr/local/texlive/2017/texmf-dist}
SYSTEXMF=/usr/local/texlive/2017/texmf-var:/usr/local/texlive/texmf-local:/usr/local/texlive/2017/texmf-dist
TEXMFDBS={!!/usr/local/texlive/texmf-local,!!/usr/local/texlive/2017/texmf-config,!!/usr/local/texlive/2017/texmf-var,!!/usr/local/texlive/2017/texmf-dist}
WEB2C={{}/home/She/.texlive2017/texmf-config,/home/She/.texlive2017/texmf-var,/home/She/texmf,!!/usr/local/texlive/texmf-local,!!/usr/local/texlive/2017/texmf-config,!!/usr/local/texlive/2017/texmf-var,!!/usr/local/texlive/2017/texmf-dist}/web2c
TEXPSHEADERS=.:{{}/home/She/.texlive2017/texmf-config,/home/She/.texlive2017/texmf-var,/home/She/texmf,!!/usr/local/texlive/texmf-local,!!/usr/local/texlive/2017/texmf-config,!!/usr/local/texlive/2017/texmf-var,!!/usr/local/texlive/2017/texmf-dist}/{dvips,fonts/{enc,type1,type42,type3}}//
TEXCONFIG={{}/home/She/.texlive2017/texmf-config,/home/She/.texlive2017/texmf-var,/home/She/texmf,!!/usr/local/texlive/texmf-local,!!/usr/local/texlive/2017/texmf-config,!!/usr/local/texlive/2017/texmf-var,!!/usr/local/texlive/2017/texmf-dist}/dvips//
ENCFONTS=.:{{}/home/She/.texlive2017/texmf-config,/home/She/.texlive2017/texmf-var,/home/She/texmf,!!/usr/local/texlive/texmf-local,!!/usr/local/texlive/2017/texmf-config,!!/usr/local/texlive/2017/texmf-var,!!/usr/local/texlive/2017/texmf-dist}/fonts/enc//
TEXFONTMAPS=.:{{}/home/She/.texlive2017/texmf-config,/home/She/.texlive2017/texmf-var,/home/She/texmf,!!/usr/local/texlive/texmf-local,!!/usr/local/texlive/2017/texmf-config,!!/usr/local/texlive/2017/texmf-var,!!/usr/local/texlive/2017/texmf-dist}/fonts/map/{kpsewhich,pdftex,dvips,}//
==== kpathsea variables from environment only (ok if no output here) ====[...]$

小结：通过以上对比，起码有以下两种方法来查看 TexLive 的搜索路径是否正常：

（1）通过查看 kpsewhich --show-path=.sty 命令的返回结果来判断系统路径是否正常

# 错误的返回结果
[...]$ kpsewhich --show-path=.sty
/usr/local/texlive/2017/texmf-dist/tex/latex/latexconfig
[...]$ kpsewhich minted.sty
[...]$# 正确的返回结果
[...]$ kpsewhich --show-path=.sty
.:/home/She/.texlive2017/texmf-config/tex/kpsewhich//:/home/She/.texlive2017/texmf-var/tex/kpsewhich//:/home/She/texmf/tex/kpsewhich//:!!/usr/local/texlive/texmf-local/tex/kpsewhich//:!!/usr/local/texlive/2017/texmf-config/tex/kpsewhich//:!!/usr/local/texlive/2017/texmf-var/tex/kpsewhich//:!!/usr/local/texlive/2017/texmf-dist/tex/kpsewhich//:/home/She/.texlive2017/texmf-config/tex/generic//:/home/She/.texlive2017/texmf-var/tex/generic//:/home/She/texmf/tex/generic//:!!/usr/local/texlive/texmf-local/tex/generic//:!!/usr/local/texlive/2017/texmf-config/tex/generic//:!!/usr/local/texlive/2017/texmf-var/tex/generic//:!!/usr/local/texlive/2017/texmf-dist/tex/generic//:/home/She/.texlive2017/texmf-config/tex///:/home/She/.texlive2017/texmf-var/tex///:/home/She/texmf/tex///:!!/usr/local/texlive/texmf-local/tex///:!!/usr/local/texlive/2017/texmf-config/tex///:!!/usr/local/texlive/2017/texmf-var/tex///:!!/usr/local/texlive/2017/texmf-dist/tex///
[...]$ kpsewhich minted.sty
/usr/local/texlive/2017/texmf-dist/tex/latex/minted/minted.sty[...]$

（2）通过查看命令的返回结果来准确判断，各个变量的值必须要准确赋值，而且在最后一行的内容不能为空

[...]$ tlmgr conf
...
=========================== active config files ==========================
...
pdftexconfig.tex: /usr/local/texlive/2017/texmf-dist/tex/generic/tex-ini-files/pdftexconfig.tex # pdftexconfig.tex的路径必须查询到，否则会出错
============================= font map files =============================
...
=========================== kpathsea variables ===========================
...
==== kpathsea variables from environment only (ok if no output here) ==== # 这一行之后列出的是冲突的系统变量名，如无，则一切正常；如有，则找到并注释掉它
TEXINPUTS=/usr/local/texlive/2017/texmf-dist/tex/latex/latexconfig # 这里不能有冲突的系统变量，如有，则需要找到该变量的设置部分，并注释掉它或者删去它

更详细的 Kpathsea 有关的参数设置，可以查看TexLive 的官方说明文档：https://www.tug.org/texlive/doc/texlive-zh-cn/texlive-zh-cn.pdf。

转载于:https://www.cnblogs.com/snake553/p/7234545.html

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