From e5fae068fa2780bd10b8ff26797e8d9a6ab30315 Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Mon, 24 Dec 2018 23:49:28 -0500
Subject: Makefile.am: Add "todo" target

Copied from prokit.
---
diff --git a/Makefile.am b/Makefile.am
index 7ccb1ad..79143a1 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -109,6 +109,40 @@ SH_LOG_DRIVER = \
 	LIBOPKBUILD_SHSOVERSION='$(libopkbuild_shsoversion)' \
 	$(SHELL) $(top_srcdir)/build-aux/tap-driver.sh
 
+todo_script = \
+	/^[0-9]* .[ \t]*\#[ \t]*TODO/,/^[0-9]* \.[ \t]*[^ \t\#]/{ \
+		/^[0-9]* \.[ \t]*\#/p; \
+	}; \
+	/^[0-9]* .[ \t]*\#[ \t]*FIXME/,/^[0-9]* \.[ \t]*[^ \t\#]/{ \
+		/^[0-9]* \.[ \t]*\#/p; \
+	}; \
+	/^[0-9]* .[ \t]*\#[ \t]*XXX/,/^[0-9]* \.[ \t]*[^ \t\#]/{ \
+		/^[0-9]* \.[ \t]*\#/p; \
+	};
+todo:
+	@set -e; \
+	printf '\n'; \
+	printf 'Code comments:\n'; \
+	printf '==============\n\n'; \
+	for f in $$(printf '%s\n' $(SOURCES) | sort -u); do \
+		printed=false; \
+		sed '=' "$(top_srcdir)/$${f}" | sed 'N; s/\n/ ./' | sed -n \
+			'$(todo_script)' | while read -r lineno line; do \
+			if ! $${printed}; then \
+				printf '%s:\n' "$${f}"; \
+				printed=true; \
+			fi; \
+			printf ' %6d %s\n' $${lineno} "$${line#.}"; \
+		done; \
+	done; \
+	printf '\n'; \
+	if [ -f '$(top_srcdir)/TODO' ]; then \
+		printf 'TODO file:\n'; \
+		printf '==========\n\n'; \
+		cat '$(top_srcdir)/TODO'; \
+		printf '\n'; \
+	fi
+
 all-local: $(locale_MESSAGES)
 
 install-data-local: $(locale_MESSAGES)
--
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