liboconfig: Fix implicit declaration warning

[collectd.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 11c1134..be1f02e 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -24,6 +24,8 @@ m4_ifdef([LT_PACKAGE_VERSION],
        ]
 )
 
+AM_CONDITIONAL([BUILD_INCLUDED_LTDL], [test "x$LTDLDEPS" != "x"])
+
 AM_INIT_AUTOMAKE([tar-pax dist-bzip2 foreign])
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 AC_LANG(C)
@@ -276,7 +278,8 @@ AC_CHECK_HEADERS(netinet/udp.h, [], [],
 #endif
 ])
 
-AC_CHECK_TYPES([struct ip6_ext], [], [],
+have_ip6_ext="no"
+AC_CHECK_TYPES([struct ip6_ext], [have_ip6_ext="yes"], [have_ip6_ext="no"],
 [#if HAVE_STDINT_H
 # include <stdint.h>
 #endif
@@ -294,6 +297,35 @@ AC_CHECK_TYPES([struct ip6_ext], [], [],
 #endif
 ])
 
+if test "x$have_ip6_ext" = "xno"; then
+       SAVE_CFLAGS="$CFLAGS"
+       CFLAGS="$CFLAGS -DSOLARIS2=8"
+
+       AC_CHECK_TYPES([struct ip6_ext],
+                      [have_ip6_ext="yes, with -DSOLARIS2=8"],
+                      [have_ip6_ext="no"],
+[#if HAVE_STDINT_H
+# include <stdint.h>
+#endif
+#if HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+#if HAVE_NETINET_IN_SYSTM_H
+# include <netinet/in_systm.h>
+#endif
+#if HAVE_NETINET_IN_H
+# include <netinet/in.h>
+#endif
+#if HAVE_NETINET_IP6_H
+# include <netinet/ip6.h>
+#endif
+])
+
+       if test "x$have_ip6_ext" = "xno"; then
+               CFLAGS="$SAVE_CFLAGS"
+       fi
+fi
+
 # For cpu modules
 AC_CHECK_HEADERS(sys/dkstat.h)
 if test "x$ac_system" = "xDarwin"
@@ -578,34 +610,6 @@ AC_CHECK_HEADERS(netinet/if_ether.h, [], [],
 
 AC_CHECK_HEADERS(netinet/ip_compat.h)
 
-AC_CHECK_MEMBER([struct ip6_ext.ip6e_len], [],
-[
-# Solaris needs special definition to have ip6_ext defined
-       # Invalidate cache so we can retest
-       AS_UNSET([ac_cv_member_struct_ip6_ext_ip6e_len])
-
-       SAVE_CFLAGS="$CFLAGS"
-       CFLAGS="$CFLAGS -DSOLARIS2=8"
-       AC_CHECK_MEMBER([struct ip6_ext.ip6e_len],[c_cv_ip6_ext_needs_d_solaris2_8=yes], [],
-[[#if HAVE_NETINET_IP_COMPAT_H
-# include <netinet/ip_compat.h>
-#endif
-]])
-       CFLAGS="$SAVE_CFLAGS"
-],[[#if HAVE_NETINET_IP_COMPAT_H
-# include <netinet/ip_compat.h>
-#endif
-]])
-
-AC_MSG_CHECKING([if struct ip6_ext.ip6e_len reauired -DSOLARIS2=8])
-if test "x$c_cv_ip6_ext_needs_d_solaris2_8" = "xyes"
-then
-       AC_MSG_RESULT([yes])
-       CFLAGS="$CFLAGS -DSOLARIS2=8"
-else
-       AC_MSG_RESULT([no])
-fi
-
 have_net_pfvar_h="no"
 AC_CHECK_HEADERS(net/pfvar.h,
                [have_net_pfvar_h="yes"],
@@ -620,6 +624,9 @@ AC_CHECK_HEADERS(net/pfvar.h,
 #if HAVE_NET_IF_H
 # include <net/if.h>
 #endif
+#if HAVE_NETINET_IN_H
+# include <netinet/in.h>
+#endif
 ])
 
 # For the multimeter plugin
@@ -2454,7 +2461,7 @@ then
        SAVE_CPPFLAGS="$CPPFLAGS"
        CPPFLAGS="$CPPFLAGS $with_libmodbus_cflags"
 
-       AC_CHECK_HEADERS(modbus/modbus.h, [], [with_libmodbus="no (modbus/modbus.h not found)"])
+       AC_CHECK_HEADERS(modbus.h, [], [with_libmodbus="no (modbus.h not found)"])
 
        CPPFLAGS="$SAVE_CPPFLAGS"
 fi
@@ -3128,11 +3135,6 @@ then
 fi
 if test "x$with_libpcap" = "xyes"
 then
-       AC_CHECK_HEADERS(pcap-bpf.h,,
-                        [with_libpcap="no (pcap-bpf.h not found)"])
-fi
-if test "x$with_libpcap" = "xyes"
-then
        AC_CACHE_CHECK([whether libpcap has PCAP_ERROR_IFACE_NOT_UP],
                       [c_cv_libpcap_have_pcap_error_iface_not_up],
                       AC_COMPILE_IFELSE([AC_LANG_PROGRAM(