Move to xelatex.

pdflatx runs out of memory with minted-v3. Moving to xelatex fixed this.

Author: hageboeck

Diff for: .github/workflows/build-slides.yml

@@ -28,6 +28,7 @@ jobs:
         with:
           root_file: C++Course.tex
           latexmk_shell_escape: true
+          latexmk_use_xelatex: true
           args: -pdf -interaction=nonstopmode -halt-on-error -usepretex=\def\makebasic{}
           working_directory: talk
           extra_system_packages: "py-pygments"
@@ -37,6 +38,7 @@ jobs:
         with:
           root_file: C++Course.tex
           latexmk_shell_escape: true
+          latexmk_use_xelatex: true
           args: -pdf -interaction=nonstopmode -halt-on-error
           working_directory: talk
           extra_system_packages: "py-pygments"

Diff for: talk/Makefile

@@ -1,7 +1,7 @@
 all: C++Course.pdf
 
 LATEXMK=latexmk
-OPTIONS=-pdf -shell-escape -halt-on-error
+OPTIONS=-pdf -xelatex -shell-escape -halt-on-error
 
 essentials: all
 essentials: OPTIONS+=-usepretex='\def\makebasic{}'