build-sys: minor fixes found with cppcheck

[elogind.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 6ada38af9465166881b2bd890e3703f176f4614f..efca1a7d3a4c6a9be868de06cad4311f55704e10 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -127,6 +127,7 @@ CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\
         -Winit-self \
         -Wdeclaration-after-statement \
         -Wfloat-equal \
+        -Wsuggest-attribute=noreturn \
         -Wmissing-prototypes \
         -Wstrict-prototypes \
         -Wredundant-decls \
@@ -143,6 +144,8 @@ CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\
         -Wno-missing-field-initializers \
         -Wno-unused-result \
         -Werror=overflow \
+        -Wdate-time \
+        -Wnested-externs \
         -ffast-math \
         -fno-common \
         -fdiagnostics-show-option \
@@ -801,7 +804,7 @@ AM_CONDITIONAL(ENABLE_MULTI_SEAT_X, [test "$have_multi_seat_x" = "yes"])
 
 # ------------------------------------------------------------------------------
 have_kdbus=no
-AC_ARG_ENABLE(kdbus, AS_HELP_STRING([--enable-kdbus], [do not connect to kdbus by default]))
+AC_ARG_ENABLE(kdbus, AS_HELP_STRING([--enable-kdbus], [do connect to kdbus by default]))
 if test "x$enable_kdbus" == "xyes"; then
         AC_DEFINE(ENABLE_KDBUS, 1, [Define if kdbus support is to be enabled])
         have_kdbus=yes