M Makefile → Makefile

@@ -4,7 +4,7 @@
 honk: .preflightcheck schema.sql *.go go.mod
 	env CGO_ENABLED=1 go build -mod=`ls -d vendor 2> /dev/null` -o honk
 
-.preflightcheck: preflight.sh
+.preflightcheck: *.go preflight.sh
 	@sh ./preflight.sh
 
 help:

M preflight.sh → preflight.sh

@@ -9,11 +9,25 @@ echo go 1.18+ is required
 	false
 fi
 
-if [ \! \( -e /usr/include/sqlite3.h -o -e /usr/local/include/sqlite3.h -o `uname` = "Darwin" \) ] ; then
-	echo unable to find sqlite3.h header
-	echo please install libsqlite3 dev package
-	false
+sqlhdr=
+if [ `uname` = "Darwin" ] ; then
+	: # okay
+else
+	if [ -e /usr/include/sqlite3.h ] ; then
+		sqlhdr=/usr/include/sqlite3.h
+	elif [ -e /usr/local/include/sqlite3.h ] ; then
+		sqlhdr=/usr/local/include/sqlite3.h
+	else
+		echo unable to find sqlite3.h header
+		echo please install libsqlite3 dev package
+		false
+	fi
+	sqlvers=`grep "#define SQLITE_VERSION_NUMBER" $sqlhdr | cut -f3 -d' '`
+	if [ $sqlvers -lt 3034000 ] ; then
+		echo sqlite3.h header is too old: $sqlvers
+		echo version 3.34.0+ is required
+		false
+	fi
 fi
 
 touch .preflightcheck
-