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authorDenis Ovsienko <infrastation@yandex.ru>2011-07-14 16:30:08 +0400
committerDenis Ovsienko <infrastation@yandex.ru>2011-09-27 20:59:46 +0400
commit2b43bf231c3004efaef96f2b85d0e0f4cf6a1ea1 (patch)
treed98048f9f306b7fda9fc5cb3a0e51de0dcc42715
parent306ca83213aabe069f1645d1708bbc4f278e2a63 (diff)
configure: fix FreeBSD header detection (BZ#408)
This change is based on Xavier Beaudouin's patch (which fixes detection of 3 config.h macros on FreeBSD without any impact to Linux build of Quagga) and FreeBSD port patch (which fixes 5 config.h macros, but breaks the Linux build), it fixes 5 macros and works for both FreeBSD 8 and Linux.
-rwxr-xr-xconfigure.ac39
1 files changed, 30 insertions, 9 deletions
diff --git a/configure.ac b/configure.ac
index 6da71c22..816638e9 100755
--- a/configure.ac
+++ b/configure.ac
@@ -442,8 +442,35 @@ m4_define([QUAGGA_INCLUDES],
#endif /* TIME_WITH_SYS_TIME */
])dnl
-AC_CHECK_HEADERS([sys/un.h net/if.h netinet/in_systm.h netinet/in_var.h \
- net/if_dl.h net/if_var.h net/netopt.h net/route.h \
+dnl HAVE_NET_IF_H must be discovered by the time the longer AC_CHECK_HEADERS
+dnl round below execution begins, otherwise it doesn't properly detect
+dnl HAVE_NETINET6_IN6_VAR_H, HAVE_NET_IF_VAR_H and HAVE_STRUCT_IN6_ALIASREQ
+dnl on FreeBSD (BZ#408).
+
+AC_CHECK_HEADERS([net/if.h], [], [], QUAGGA_INCLUDES)
+
+m4_define([QUAGGA_INCLUDES],
+QUAGGA_INCLUDES
+[#if HAVE_NET_IF_H
+# include <net/if.h>
+#endif
+])dnl
+
+dnl Same applies for HAVE_NET_IF_VAR_H, which HAVE_NETINET6_ND6_H and
+dnl HAVE_NETINET_IN_VAR_H depend upon. But if_var.h depends on if.h, hence
+dnl an additional round for it.
+
+AC_CHECK_HEADERS([net/if_var.h], [], [], QUAGGA_INCLUDES)
+
+m4_define([QUAGGA_INCLUDES],
+QUAGGA_INCLUDES
+[#if HAVE_NET_IF_VAR_H
+# include <net/if_var.h>
+#endif
+])dnl
+
+AC_CHECK_HEADERS([sys/un.h netinet/in_systm.h netinet/in_var.h \
+ net/if_dl.h net/netopt.h net/route.h \
inet/nd.h arpa/inet.h netinet/ip_icmp.h \
fcntl.h stddef.h sys/ioctl.h syslog.h wchar.h wctype.h \
sys/sysctl.h sys/sockio.h kvm.h sys/conf.h],
@@ -458,10 +485,7 @@ QUAGGA_INCLUDES
m4_define([QUAGGA_INCLUDES],
QUAGGA_INCLUDES
-[#if HAVE_NET_IF_H
-# include <net/if.h>
-#endif
-#if HAVE_SYS_UN_H
+[#if HAVE_SYS_UN_H
# include <sys/un.h>
#endif
#if HAVE_NETINET_IN_SYSTM_H
@@ -473,9 +497,6 @@ QUAGGA_INCLUDES
#if HAVE_NET_IF_DL_H
# include <net/if_dl.h>
#endif
-#if HAVE_NET_IF_VAR_H
-# include <net/if_var.h>
-#endif
#if HAVE_NET_NETOPT_H
# include <net/netopt.h>
#endif