X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=configure.in;h=c076e77023bb1da276cdb60a286ebedba191a491;hb=bf90793e82989b1c36fe8f3b66b9c9fe05c9532d;hp=9f26be3b8d5dbcbafafc10f62296e055dabbb561;hpb=a690e4ac74e05f7294c22df8e0574e5e6f52f510;p=collectd.git

diff --git a/configure.in b/configure.in
index 9f26be3b..c076e770 100644
--- a/configure.in
+++ b/configure.in
@@ -1449,11 +1449,16 @@ AC_ARG_WITH(libiptc, [AS_HELP_STRING([--with-libiptc@<:@=PREFIX@:>@], [Path to l
 		with_libiptc="no (Linux only)"
 	fi
 ])
+SAVE_CPPFLAGS="$CPPFLAGS"
+SAVE_LDFLAGS="$LDFLAGS"
+CPPFLAGS="$CPPFLAGS $LIBIPTC_CPPFLAGS"
+LDFLAGS="$LDFLAGS $LIBIPTC_LDFLAGS"
+# check whether the header file for libiptc is available.
 if test "x$with_libiptc" = "xyes" && test "x$with_own_libiptc" = "xno"
 then
-	AC_CHECK_LIB(iptc, iptc_init,
+	AC_CHECK_HEADERS(libiptc/libiptc.h,
 	[
-		AC_DEFINE(HAVE_LIBIPTC, 1, [Define to 1 if you have the iptc library (-liptc).])
+		AC_DEFINE(HAVE_LIBIPTC_LIBIPTC_H, 1, [Define to 1 if you have the <libiptc/libiptc.h> header file.])
 	],
 	[
 		with_libiptc="yes"
@@ -1462,36 +1467,20 @@ then
 fi
 if test "x$with_libiptc" = "xyes" && test "x$with_own_libiptc" = "xno"
 then
-	AC_CHECK_HEADERS(libiptc/libiptc.h,
+	AC_CHECK_HEADERS(libiptc/libip6tc.h,
 	[
-		AC_DEFINE(HAVE_LIBIPTC_LIBIPTC_H, 1, [Define to 1 if you have the <libiptc/libiptc.h> header file.])
+		AC_DEFINE(HAVE_LIBIPTC_LIBIP6TC_H, 1, [Define to 1 if you have the <libiptc/libip6tc.h> header file.])
 	],
 	[
 		with_libiptc="yes"
 		with_own_libiptc="yes"
 	])
 fi
-if test "x$with_libiptc" = "xyes"
-then
-	SAVE_CPPFLAGS="$CPPFLAGS"
-	CPPFLAGS="$CPPFLAGS $LIBIPTC_CPPFLAGS"
-
-	AC_CHECK_HEADERS(linux/netfilter_ipv4/ip_tables.h linux/netfilter_ipv6/ip6_tables.h, [],
-	[
-		with_libiptc="no (Linux iptables headers not found - check KERNEL_DIR)"
-		with_own_libiptc="no"
-	],
-	[
-#include "$srcdir/src/owniptc/ipt_kernel_headers.h"
-	])
-
-	CPPFLAGS="$SAVE_CPPFLAGS"
-fi
-if test "x$with_libiptc" = "xyes"
+# If the header file is available, check for the required type declaractions.
+# They may be missing in old versions of libiptc. In that case, they will be
+# declared in the iptables plugin.
+if test "x$with_libiptc" = "xyes" && test "x$with_own_libiptc" = "xno"
 then
-	SAVE_CPPFLAGS="$CPPFLAGS"
-	CPPFLAGS="$CPPFLAGS $LIBIPTC_CPPFLAGS"
-
 	AC_CHECK_TYPES([iptc_handle_t, ip6tc_handle_t], [], [],
 	[
 #if OWN_LIBIPTC
@@ -1502,8 +1491,31 @@ then
 # include <libiptc/libip6tc.h>
 #endif
 	])
-
-	CPPFLAGS="$SAVE_CPPFLAGS"
+fi
+# Check for the iptc_init symbol in the library.
+if test "x$with_libiptc" = "xyes" && test "x$with_own_libiptc" = "xno"
+then
+	AC_CHECK_LIB(iptc, iptc_init,
+	[
+		AC_DEFINE(HAVE_LIBIPTC, 1, [Define to 1 if you have the iptc library (-liptc).])
+	],
+	[
+		with_libiptc="yes"
+		with_own_libiptc="yes"
+	])
+fi
+# The system wide version failed for some reason. Check if we have the required
+# headers to build the shipped version.
+if test "x$with_libiptc" = "xyes" && test "x$with_own_libiptc" = "xyes"
+then
+	AC_CHECK_HEADERS(linux/netfilter_ipv4/ip_tables.h linux/netfilter_ipv6/ip6_tables.h linux/netfilter/x_tables.h, [],
+	[
+		with_libiptc="no (Linux iptables headers not found)"
+		with_own_libiptc="no"
+	],
+	[
+#include "$srcdir/src/owniptc/ipt_kernel_headers.h"
+	])
 fi
 AM_CONDITIONAL(BUILD_WITH_LIBIPTC, test "x$with_libiptc" = "xyes")
 AM_CONDITIONAL(BUILD_WITH_OWN_LIBIPTC, test "x$with_own_libiptc" = "xyes")
@@ -1518,6 +1530,8 @@ if test "x$with_own_libiptc" = "xyes"
 then
 	AC_DEFINE(OWN_LIBIPTC, 1, [Define to 1 if we use the shipped iptc library.])
 fi
+CPPFLAGS="$SAVE_CPPFLAGS"
+LDFLAGS="$SAVE_LDFLAGS"
 # }}}
 
 # --with-java {{{