mdbook-latex: Add mdBook backend script.

README.md

@@ -7,10 +7,13 @@ the same protocol as the packages tree. For details, please read
 
 ## Building
 
-The [build.sh](./build.sh) script builds HTML and roff versions of the Void
-documentation and the `void-docs.7` man page. It requires the following
-dependencies:
+The [build.sh](./build.sh) script builds HTML, roff and PDF versions of the Void
+documentation and the `void-docs.7` man page. It requires the following Void
+packages:
 
 - `mdBook`
 - `fd`
 - `pandoc`
+- `texlive`
+- `perl`
+- `perl-JSON`

book.toml

@@ -7,6 +7,9 @@ title = "Void Linux Handbook"
 [output.html]
 theme = "src/theme"
 
+[output.latex]
+optional = true
+
 [output.linkcheck]
 optional = true
 follow-web-links = true

build.sh

@@ -1,5 +1,7 @@
 #!/bin/sh
 
+PATH="$PWD:$PATH"
+
 # Build HTML mdbook
 echo "Building mdBook"
 mdbook build
@@ -22,3 +24,7 @@ echo "Building void-docs man page"
 pandoc \
     -V "title=void-docs" -V "section=7" -V "header=Void Docs" -s \
     -o "void-docs.7" "void-docs.md"
+
+# Build PDF
+pdflatex -output-directory=book/latex/ book/latex/handbook.tex >/dev/null
+pdflatex -output-directory=book/latex/ book/latex/handbook.tex >/dev/null