tests: beware of additional warnings from GCC 5

* tests/synclines.at (AT_SYNCLINES_COMPILE): Avoid warnings about
unused functions.

diff --git a/tests/synclines.at b/tests/synclines.at
index b73ddcb46f1f1d224e88c49e0b96c4cc88142315..aa438c8b9100bb61064aa73d823ce83193fb287c 100644 (file)
--- a/tests/synclines.at
+++ b/tests/synclines.at
@@ -81,7 +81,9 @@ m4_define([_AT_SYNCLINES_COMPILE],
 #
 #    "input.yy", line 80.21: 1540-0218 (S) The call does not match any parameter list for "operator<<".
 #    "/usr/vacpp/include/iosfwd", line 32.6: 1506-205 (S) #error This file to be used only with IBM VisualAge C++ v4 and later compilers
 #
 #    "input.yy", line 80.21: 1540-0218 (S) The call does not match any parameter list for "operator<<".
 #    "/usr/vacpp/include/iosfwd", line 32.6: 1506-205 (S) #error This file to be used only with IBM VisualAge C++ v4 and later compilers

-
+#
+# Newer GCCs go further and if the function is declared static, complain
+# that it's not used.

 AT_CHECK([[$PERL -p -0777 - stderr <<\EOF
   # 1. Remove useless lines.
 
 AT_CHECK([[$PERL -p -0777 - stderr <<\EOF
   # 1. Remove useless lines.
 


@@ -136,14 +138,15 @@ EOF
 m4_define([AT_SYNCLINES_COMPILE],
 [# Check if we can trust location translation.
 AT_DATA([syncline.c],
 m4_define([AT_SYNCLINES_COMPILE],
 [# Check if we can trust location translation.
 AT_DATA([syncline.c],

-[[static void foo(void)
+[[void foo (void);
+void foo (void)

 {
 {

-#error "3"
+#error "4"

 }
 ]])
 
 _AT_SYNCLINES_COMPILE([syncline.c])
 }
 ]])
 
 _AT_SYNCLINES_COMPILE([syncline.c])

-AT_CHECK([[test "`cat stdout`" = 'syncline.c:3: @%:@error "3"' || exit 77]])
+AT_CHECK([[test "`cat stdout`" = 'syncline.c:4: @%:@error "4"' || exit 77]])

 
 # Then work for real.
 _AT_SYNCLINES_COMPILE([$1])
 
 # Then work for real.
 _AT_SYNCLINES_COMPILE([$1])