%printer: support both yyo and yyoutput.

[bison.git] / tests / local.at

diff --git a/tests/local.at b/tests/local.at
index a8b38762e259c205ff757693416fc41656e57121..ff39787c70b20486cf5ce3aab8b1f04daf858bb4 100644 (file)
--- a/tests/local.at
+++ b/tests/local.at
@@ -615,6 +615,17 @@ m4_if(m4_index(m4_quote($3), [last-state]), -1,
 
 $9
 
+# Canonical LR generates very large tables, resulting in very long
+# files with #line directives that may overflow what the standards
+# (C90 and C++98) guarantee: 32767.  In that case, GCC's -pedantic
+# will issue an error.
+#
+# There is no "" around `wc` since some indent the result.
+m4_bmatch([$4], [%define lr.type canonical-lr],
+[if test 32767 -lt `wc -l < input.c`; then
+  CFLAGS=`echo " $CFLAGS " | sed -e 's/ -pedantic //'`
+  CXXFLAGS=`echo " $CXXFLAGS " | sed -e 's/ -pedantic //'`
+fi])
 AT_COMPILE([[input]])
 
 AT_PARSER_CHECK([[./input]],
@@ -634,4 +645,15 @@ m4_popdef([AT_COND_CASE])])
 
 AT_INIT
 
+# Cannot assign CC and CFLAGS here, since atlocal is loaded after
+# options are processed, so we don't know the value of CXX and
+# CXXFLAGS yet.
+#
+# Note that it also means that command line values for CXX and
+# CXXFLAGS will not be propagated to CC and CFLAGS.
+AT_ARG_OPTION([compile-c-with-cxx],
+              [compile C parsers with the C++ compiler])
+
+AT_COLOR_TESTS
+
 AT_TESTED([bison])