systemctl: add compat support for shutting down the system via upstart

[elogind.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 1d358d2c88cad6ae2376e66824117e640e0ccbdf..cdcb71cec15471599720d45d35956fbafa7713be 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -80,12 +80,16 @@ CC_CHECK_CFLAGS_APPEND([ \
         -Wno-overlength-strings \
         -Wno-unused-parameter \
         -Wno-missing-field-initializers \
+        -Wno-unused-result \
         -Wp,-D_FORTIFY_SOURCE=2 \
         -ffast-math \
         -fno-common \
         -fdiagnostics-show-option \
         -fno-strict-aliasing])
 
+LT_PREREQ(2.2)
+LT_INIT
+
 AC_SEARCH_LIBS([clock_gettime], [rt], [], [AC_MSG_ERROR([*** POSIX RT library not found])])
 AC_SEARCH_LIBS([cap_init], [cap], [], [AC_MSG_ERROR([*** POSIX caps library not found])])
 AC_CHECK_HEADERS([sys/capability.h], [], [AC_MSG_ERROR([*** POSIX caps headers not found])])