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Alter method of finding resolver library name, to hopefully work on OSX.

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Now uses AC_LINK_IFELSE() to link a program that calls res_mkquery(),
after defining BIND_8_COMPAT / BIND_4_COMPAT as per misc.c.


git-svn-id: svn://svn.code.sf.net/p/bitchx/code/trunk@193 13b04d17-f746-0410-82c6-800466cd88b0
This commit is contained in:
Kevin Easton
2012-05-24 13:02:44 +00:00
parent 241f3df842
commit 8a9917270c
1 changed files with 48 additions and 2 deletions
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50
configure.in
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@@ -57,8 +57,6 @@ AC_CHECK_LIB(sun, getpwnam, LIBS="-lsun $LIBS",)
AC_CHECK_LIB(dgc, inet_addr, LIBS="-ldgc $LIBS",)
AC_CHECK_LIB(crypt, crypt, LIBS="-lcrypt $LIBS"; AC_DEFINE(HAVE_CRYPT, 1, Define this if you have a crypt implementation in -lcrypt),)
AC_CHECK_LIB(m, pow, LIBS="-lm $LIBS",)
AC_SEARCH_LIBS([res_mkquery], [resolv], AC_DEFINE(HAVE_RESOLV, 1, Define this if you have the resolv library.),
[AC_SEARCH_LIBS([__res_mkquery], [resolv], AC_DEFINE(HAVE_RESOLV, 1, Define this if you have the resolv library.), [], [])], [])
dnl Checks for header files.
AC_HEADER_DIRENT
@@ -119,6 +117,54 @@ else
fi
fi
dnl Check for resolver library (used by /NSLOOKUP)
AC_CACHE_CHECK([library required for resolver functions], [bx_cv_lib_resolver],
[
OLDLIBS="$LIBS"
bx_cv_lib_resolver="not found"
for reslib in '' '-lresolv' '-lbind' '-lsocket'
do
LIBS="$reslib $OLDLIBS"
AC_LINK_IFELSE([
#if defined( __APPLE__ ) && !defined( BIND_8_COMPAT )
#define BIND_8_COMPAT
#endif
#if defined( __OpenBSD__ ) && !defined( BIND_4_COMPAT )
#define BIND_4_COMPAT
#endif
AC_INCLUDES_DEFAULT
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_ARPA_NAMESER_H
#include <arpa/nameser.h>
#endif
#ifdef HAVE_RESOLV_H
#include <resolv.h>
#endif
int main()
{
return res_mkquery(0, 0, 0, 0, 0, 0, 0, 0, 0);
}], [
if test x"$reslib" != x; then
bx_cv_lib_resolver="$reslib"
else
bx_cv_lib_resolver="none required"
fi
break], [])
done
LIBS="$OLDLIBS"
])
if test x"$bx_cv_lib_resolver" != x"not found"; then
AC_DEFINE(HAVE_RESOLV, 1, Define this if you have the resolv library.)
if test x"$bx_cv_lib_resolver" != x"none required"; then
LIBS="$bx_cv_lib_resolver $LIBS"
fi
else
AC_MSG_WARN([No resolver library found, /nslookup will be disabled.])
fi
dnl Checks for library functions.
AC_FUNC_ALLOCA
if test x"$cross_compiling" != x"yes"; then