tests: enable -Wsign-compare and fix corresponding warnings

[bison.git] / tests / headers.at

diff --git a/tests/headers.at b/tests/headers.at
index 203c8fc65f42255673c52f33f7bf327c12171ebe..0ad7ef3eeeaa33168d727583d05465ea0f45a5a0 100644 (file)
--- a/tests/headers.at
+++ b/tests/headers.at
@@ -41,7 +41,7 @@ AT_DATA_GRAMMAR([$1.y],
 ]AT_YYLEX_DECLARE_EXTERN[
 %}
 %%
-dummy:;
+dummy: /* empty */;
 %%
 #include <$1.h>
 ])
@@ -81,7 +81,7 @@ AT_DATA_GRAMMAR([input.y],
 ]AT_YYLEX_DEFINE[
 %}
 %%
-exp:;
+exp: /* empty */;
 ]])
 
 AT_BISON_CHECK([--defines -o input.c input.y])
@@ -117,9 +117,9 @@ AT_SETUP([Several parsers])
 # nor yy* identifiers in the header.  Check that headers are
 # self-contained, and can be compiled by a C++ compiler.
 m4_pushdef([AT_TEST],
-[AT_BISON_OPTION_PUSHDEFS([%define api.prefix "$1_" $2])
+[AT_BISON_OPTION_PUSHDEFS([%define api.prefix {$1_} $2])
 AT_DATA_GRAMMAR([$1.y],
-[[%define api.prefix "$1_"
+[[%define api.prefix {$1_}
 $2
 %error-verbose
 %union