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configure: fix FreeBSD header detection (BZ#408)

Browse Source 
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.
This commit is contained in:
Denis Ovsienko 2011-07-14 16:30:08 +04:00
parent e81537d3be
commit 5112233b79
1 changed files with 30 additions and 9 deletions
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39
configure.ac
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@ -443,8 +443,35 @@ 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],
@ -459,10 +486,7 @@ 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
@ -474,9 +498,6 @@ 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