[PATCH] {yacc-work} tests init: better messages for 'yacc' and 'lex' requirements

[Stefano Lattarini]

defs.in: Give better diagnostic messages when a test must
be skipped to the unavailability of yacc or lex program.  Also,
improve syncing between code for requiring yacc and lex.
---
 ChangeLog     |    8 ++++++++
 tests/defs.in |   14 +++++---------
 2 files changed, 13 insertions(+), 9 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index a372c6c..8b19683 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2011-01-29  Stefano Lattarini  <address@hidden>
+           Ralf Wildenhues  <address@hidden>
+
+       tests init: better messages for 'yacc' and 'lex' requirements
+       * tests/defs.in: Give better diagnostic messages when a test must
+       be skipped to the unavailability of yacc or lex program.  Also,
+       improve syncing between code for requiring yacc and lex.
+
 2011-01-28  Stefano Lattarini  <address@hidden>
 
        configure: look for a lex program to be used by the testsuite
diff --git a/tests/defs.in b/tests/defs.in
index d755c26..449e3e3 100644
--- a/tests/defs.in
+++ b/tests/defs.in
@@ -213,23 +213,19 @@ do
       ;;
     lex)
       if test x"$LEX" = x"false"; then
-        # No lex program was found at configure time, or the user has
-        # explicitly told he doesn't want a lex program to be used.
-        echo "$me: \$LEX is \"false\", skipping test" >&2
+        echo "$me: no working \$LEX found at configure time," \
+                  "or explicitly disabled" >&2
         exit 77
       fi
       export LEX
       ;;
     yacc)
       if test x"$YACC" = x"false"; then
-        # No yacc program was found at configure time, or the user has
-        # explicitly told he doesn't want a yacc program to be used.
-        echo "$me: \$YACC is \"false\", skipping test" >&2
+        echo "$me: no working \$YACC found at configure time," \
+                  "or explicitly disabled" >&2
         exit 77
-      else
-        # Make YACC available to configure by exporting it.
-        export YACC
       fi
+      export YACC
       ;;
     # Generic case: the tool must support --version.
     *)
-- 
1.7.2.3