From 995eac166a22b61054be0ccc8901db04f49a1ec7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9my=20Zurcher?= <jeremy@asynk.ch>
Date: Mon, 10 Mar 2014 18:14:16 +0100
Subject: [PATCH] eolian: generate eo_lexer.c with ragel if available

---
 configure.ac           |  5 +++++
 src/Makefile_Eolian.am | 13 +++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/configure.ac b/configure.ac
index 0d7e4646fb..0b0dac3ded 100644
--- a/configure.ac
+++ b/configure.ac
@@ -330,6 +330,11 @@ fi
 
 AM_CONDITIONAL([EFL_ENABLE_COVERAGE], [test "${want_coverage}" = "yes"])
 
+# ragel
+
+AC_CHECK_PROG([have_ragel], [ragel], [yes], [no])
+AM_CONDITIONAL([EFL_HAVE_RAGEL], [test "${have_ragel}" = "yes"])
+
 #### Checks for libraries
 
 # check unit testing library
diff --git a/src/Makefile_Eolian.am b/src/Makefile_Eolian.am
index 871ffffb2f..6807557b52 100644
--- a/src/Makefile_Eolian.am
+++ b/src/Makefile_Eolian.am
@@ -42,3 +42,16 @@ bin_eolian_eolian_gen_DEPENDENCIES = @USE_EOLIAN_INTERNAL_LIBS@
 include Makefile_Eolian_Helper.am
 
 EXTRA_DIST += lib/eolian/eo_lexer.rl
+
+if EFL_HAVE_RAGEL
+SUFFIXES += .rl
+
+AM_V_RAGEL = $(am__v_RAGEL_@AM_V@)
+am__v_RAGEL_ = $(am__v_RAGEL_@AM_DEFAULT_V@)
+am__v_RAGEL_0 = @echo "  RAGEL   " $@;
+
+.rl.c:
+	$(AM_V_RAGEL) ragel -o $@ $<
+
+lib/eolian/eo_lexer.c: lib/eolian/eo_lexer.rl
+endif