From d011a6ae00ce9abd445d6d01ce9131a7b97ef5bc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Petr=20P=C3=ADsa=C5=99?= <ppisar@redhat.com>
Date: Tue, 3 Oct 2017 10:04:18 +0200
Subject: [PATCH] Allow disabling Emacs support
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This patch adds --disable-emacs configure option to disable installing
LISP scripts for Emacs.

Signed-off-by: Petr Písař <ppisar@redhat.com>
---
 configure.ac    | 9 ++++++++-
 src/Makefile.am | 2 ++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 649ddcd..a6dc9ff 100644
--- a/configure.ac
+++ b/configure.ac
@@ -51,7 +51,6 @@ LT_INIT([win32-dll])
 AM_MISSING_PROG(PERL, perl, $missing_dir)
 AM_MISSING_PROG(HELP2MAN, help2man, $missing_dir)
 AM_ICONV
-AM_PATH_LISPDIR
 
 AM_GNU_GETTEXT([external])
 AM_GNU_GETTEXT_VERSION([0.19.3])
@@ -100,6 +99,14 @@ AM_CONDITIONAL(JAVA, test "$enable_java" != "no")
 AC_MSG_CHECKING([if implementation in Java should be built])
 AC_MSG_RESULT($enable_java)
 
+# Check for Emacs
+AC_ARG_ENABLE(emacs, AC_HELP_STRING([--disable-emacs], [disable Emacs support]),
+		enable_emacs=$enableval, enable_emacs=yes)
+AM_CONDITIONAL(EMACS, test "$enable_emacs" != "no")
+if test "$enable_emacs" != "no"; then
+    AM_PATH_LISPDIR
+fi
+
 # Check for C#
 if test -n "$HAVE_CSHARPCOMP"; then
   gt_CSHARPEXEC
diff --git a/src/Makefile.am b/src/Makefile.am
index 6832c20..ec99560 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -20,7 +20,9 @@ AM_CFLAGS = $(WERROR_CFLAGS) $(WARN_CFLAGS)
 AM_CPPFLAGS = -I$(top_srcdir)/lib -I../lib -I$(top_srcdir)/gl -I../gl
 AM_CPPFLAGS += -DLOCALEDIR=\"$(localedir)\"
 
+if EMACS
 dist_lisp_DATA = punycode.el idna.el
+endif
 
 bin_PROGRAMS = idn
 idn_SOURCES = idn.c
-- 
2.13.6