From 3d679b3df641f59fb81ca1651799f4e2965ed67e Mon Sep 17 00:00:00 2001
From: Sergey Poznyakoff <gray@gnu.org.ua>
Date: Tue, 3 May 2011 17:49:29 +0300
Subject: Switch to the two-layer model. Add testsuite.

The configuration file parser creates a syntax tree.  This step
does not require any knowledge about which keywords are allowed.
The user can then either use that tree directly, or post-process
it using parser tables.  The latter approach is equivalent to
previous versions of grecs.
---
 am/grecs.m4 | 21 ++++++++++++++++-----
 1 file changed, 16 insertions(+), 5 deletions(-)

(limited to 'am')

diff --git a/am/grecs.m4 b/am/grecs.m4
index 47c9867..5fc1819 100644
--- a/am/grecs.m4
+++ b/am/grecs.m4
@@ -49,14 +49,15 @@ AC_DEFUN([_GRECS_OPTION_SWITCH],
 AC_DEFUN([_GRECS_SET_OPTIONS],
 [m4_foreach_w([_GRECS_Option], [$1], [_GRECS_SET_OPTION(_GRECS_Option)])])
 
-# GRECS_SETUP([OPTIONS],[pp-setup-file])
-#
-# Options are:
+# GRECS_SETUP([dir],[OPTIONS],[pp-setup-file])
+# dir - Directory in the source tree where grecs has been cloned.
+# OPTIONS are:
 #   no-preproc         Disable the use of preprocessor.
 #   std-pp-setup       Install standard pp-setup file.
 #   pp-setup-option    Add the --with-pp-setup-file option to the
 #                      configuration file.  The option allows user to
 #                      control whether the pp-setup file is installed.
+#   tests              Build tests.
 #
 # The pp-setup-file argument supplies the pathname of the preprocessor
 # setup file in the source tree.  It is ignored if std-pp-setup option is
@@ -69,7 +70,8 @@ AC_DEFUN([GRECS_SETUP],[
   AC_PROG_YACC
   AM_PROG_LEX
 
-  _GRECS_SET_OPTIONS([$1])
+  AC_SUBST([GRECS_SUBDIR],m4_if([$1],,grecs,$1))
+  _GRECS_SET_OPTIONS([$2])
   # **********************	
   # Preprocessor
   # **********************
@@ -104,7 +106,7 @@ AC_DEFUN([GRECS_SETUP],[
       DEFAULT_PREPROCESSOR="$DEFAULT_PREPROCESSOR $PREPROC_OPTIONS"
       _GRECS_IF_OPTION_SET([std-pp-setup],
         [PP_SETUP_FILE='pp-setup'],
-	[m4_if([$2],,[PP_SETUP_FILE=],[PP_SETUP_FILE='$2'])])
+	[m4_if([$3],,[PP_SETUP_FILE=],[PP_SETUP_FILE='$3'])])
       AC_SUBST(PP_SETUP_FILE)
       if test -n "$PP_SETUP_FILE"; then
         _GRECS_IF_OPTION_SET([pp-setup-option],
@@ -127,5 +129,14 @@ AC_DEFUN([GRECS_SETUP],[
   else
     DEFAULT_PREPROCESSOR=NULL
   fi
+  _GRECS_IF_OPTION_SET([tests],
+                       [m4_pushdef([TESTDIR],m4_if([$1],,grecs,$1)/tests)
+		        AC_CONFIG_TESTDIR(TESTDIR)
+		        AC_CONFIG_FILES(TESTDIR/Makefile TESTDIR/atlocal)
+			m4_popdef([TESTDIR])
+		        AM_MISSING_PROG([AUTOM4TE], [autom4te])
+                        GRECS_TESTDIR=tests
+		       ])
   AC_SUBST([GRECS_INCLUDES])
+  AC_SUBST([GRECS_TESTDIR])
 ])
-- 
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