From cfe95088f6b936d8b110b635bf726cfcb07f4fda Mon Sep 17 00:00:00 2001
From: Reuben Thomas <rrt@sc3d.org>
Date: Sat, 27 Jan 2018 13:26:30 +0000
Subject: [PATCH] Fix building of lat1{ansel,iso5426}.h from respective .l
 files

---
 build-aux/invert-l-to-h |  5 +++++
 src/Makefile.am         | 13 ++++++++-----
 2 files changed, 13 insertions(+), 5 deletions(-)
 create mode 100755 build-aux/invert-l-to-h

diff --git a/build-aux/invert-l-to-h b/build-aux/invert-l-to-h
new file mode 100755
index 0000000..1ae0413
--- /dev/null
+++ b/build-aux/invert-l-to-h
@@ -0,0 +1,5 @@
+#!/bin/sh
+# Invert the conversion in a flex file to get a C header file for the other direction
+grep '^\\' $1 | \
+        perl -npe 's/{ put_byte \(//;s /, subtask\); }//;s%^\\%%' | \
+        perl -ne '($a,$b)=split; $c=substr($a,0,3);$d=substr($a,3);$e = eval "0$c"; next if $b < 0200 ;printf("\t{%d, \"%c%s\"}, %s* %c *%s\n", $b, $e, $d, "/", $b, "/")'
diff --git a/src/Makefile.am b/src/Makefile.am
index 2f0c6ae..8b7cd37 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -119,11 +119,14 @@ iconv.lo: iconvdecl.h
 iconvdecl.h: ../tables.py
 	$(TABLES_PY) -i
 
-# lat1ansel.h and lat1iso5426.h
-.l.h:
-	grep '^\\' $< | \
-	perl -npe 's/{ put_byte \(//;s /, subtask\); }//;s%^\\%%' | \
-	perl -ne '($$a,$$b)=split; $$c=substr($$a,0,3);$$d=substr($$a,3);$$e = eval "0$$c"; next if $$b < 0200 ;printf("\t{%d, \"%c%s\"}, %s* %c *%s\n", $$b, $$e, $$d, "/", $$b, "/")' > $@
+lat1ansel.c: lat1ansel.h
+lat1iso5426.c: lat1iso5426.h
+
+lat1ansel.h: ansellat1.l
+	$(top_srcdir)/build-aux/invert-l-to-h $< > $@
+
+lat1iso5426.h: iso5426lat1.l
+	$(top_srcdir)/build-aux/invert-l-to-h $< > $@
 
 african.lo afrtran.lo atarist.lo bangbang.lo cdcnos.lo \
 ebcdic.lo ibmpc.lo iconqnx.lo lat1asci.lo lat1iso5426.lo lat1ansel.lo \
-- 
2.50.0