1 files changed, 6 insertions, 0 deletions
diff --git a/common.mk b/common.mk
index 3654c74f..1e281e6d 100644
--- a/common.mk
+++ b/common.mk
@@ -18,6 +18,8 @@ SLIDES_OPTIONS := --slide-level 2 -t beamer --pdf-engine-opt=--shell-escape
 
 RUBBER_OPTS := --into .build -m lualatex:pdf --shell-escape -I "$(LATEX_BASE)"
 
+PDF2PPTX := pdf2pptx
+
 VERBOSE ?= @
 ifeq ($(VERBOSE), @)
 	RUBBER_OPTS += --quiet
@@ -35,6 +37,10 @@ slides%.pdf: slides%.md $(wildcard slides.md) $(wildcard img/*) $(MAKEFILE_LIST)
 	@echo "building $@"
 	$(VERBOSE)$(PANDOC) $(SLIDES_OPTIONS) $< -o $@
 
+slides.pptx: slides.pdf $(MAKEFILE_LIST)
+	@echo "building $@"
+	$(VERBOSE)$(PDF2PPTX) $<
+
 %.pdf: %.md $(MAKEFILE_LIST)
 	@echo "building $@"
 	$(VERBOSE)$(PANDOC) -f markdown $< -o $@