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Fix Makefile to auto-stabilize TOC with up to 5 passes

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The .songtoc file needs multiple passes to stabilize: pass 1
writes song data, pass 2 reads it into the TOC (changing page
count), pass 3+ stabilizes page references. The Makefile now
loops until the log shows no more "Rerun" warnings or max 5
passes.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
shahondin1624
2026-04-02 17:11:30 +02:00
parent 7b99778f67
commit 21c369da36
1 changed files with 12 additions and 3 deletions
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15
Makefile
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@@ -1,6 +1,7 @@
MAIN = songbook MAIN = songbook
ENGINE = lualatex ENGINE = lualatex
OUTDIR = output OUTDIR = output
TEXENV = TEXINPUTS=.:$(shell pwd):$(shell pwd)/$(OUTDIR):
FLAGS = --output-directory=$(OUTDIR) --interaction=nonstopmode FLAGS = --output-directory=$(OUTDIR) --interaction=nonstopmode
.PHONY: all clean distclean .PHONY: all clean distclean
@@ -10,10 +11,18 @@ all: $(OUTDIR)/$(MAIN).pdf
$(OUTDIR): $(OUTDIR):
mkdir -p $(OUTDIR) mkdir -p $(OUTDIR)
# Run until page references stabilize (max 5 passes).
# The .songtoc file needs: pass 1 to write, pass 2 to read into TOC,
# pass 3+ to stabilize page numbers after TOC page count changes.
$(OUTDIR)/$(MAIN).pdf: $(MAIN).tex songbook-style.sty songs/*.tex | $(OUTDIR) $(OUTDIR)/$(MAIN).pdf: $(MAIN).tex songbook-style.sty songs/*.tex | $(OUTDIR)
TEXINPUTS=.:$(shell pwd):$(shell pwd)/$(OUTDIR): $(ENGINE) $(FLAGS) $(MAIN).tex @for i in 1 2 3 4 5; do \
TEXINPUTS=.:$(shell pwd):$(shell pwd)/$(OUTDIR): $(ENGINE) $(FLAGS) $(MAIN).tex echo "=== LaTeX pass $$i ==="; \
TEXINPUTS=.:$(shell pwd):$(shell pwd)/$(OUTDIR): $(ENGINE) $(FLAGS) $(MAIN).tex $(TEXENV) $(ENGINE) $(FLAGS) $(MAIN).tex || true; \
if [ $$i -ge 3 ] && ! grep -q "Rerun" $(OUTDIR)/$(MAIN).log 2>/dev/null; then \
echo "=== Stable after $$i passes ==="; \
break; \
fi; \
done
clean: clean:
rm -f $(OUTDIR)/*.aux $(OUTDIR)/*.log $(OUTDIR)/*.out \ rm -f $(OUTDIR)/*.aux $(OUTDIR)/*.log $(OUTDIR)/*.out \