Files
mongo-php-driver/scripts/autotools/libmongoc/CheckResolv.m4
Jeremy Mikola 57f8068f32 PHPC-2152: Link libresolv when detecting res_nsearch (#1371)
This fixes a bug inadvertently introduced in b581f2a3e4.
2022-10-18 22:25:43 -04:00

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dnl Disable Windows DNSAPI
AC_SUBST(MONGOC_HAVE_DNSAPI, 0)
found_resolv="no"
old_LIBS="$LIBS"
dnl Link libresolv for detection (note: on AIX, resolv functions are in libc)
if test "$os_aix" != "yes"; then
LIBS="$LIBS -lresolv"
fi
dnl Thread-safe DNS query function for _mongoc_client_get_srv.
dnl Could be a macro, not a function, so check with AC_LINK_IFELSE.
AC_MSG_CHECKING([for res_nsearch])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <sys/types.h>
#include <netinet/in.h>
#include <arpa/nameser.h>
#include <resolv.h>
]], [[
int len;
unsigned char reply[1024];
res_state statep;
len = res_nsearch(
statep, "example.com", ns_c_in, ns_t_srv, reply, sizeof(reply));
]])], [
AC_MSG_RESULT([yes])
AC_SUBST(MONGOC_HAVE_RES_SEARCH, 0)
AC_SUBST(MONGOC_HAVE_RES_NSEARCH, 1)
found_resolv="yes"
dnl We have res_nsearch. Call res_ndestroy (BSD/Mac) or res_nclose (Linux)?
AC_MSG_CHECKING([for res_ndestroy])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <sys/types.h>
#include <netinet/in.h>
#include <arpa/nameser.h>
#include <resolv.h>
]], [[
res_state statep;
res_ndestroy(statep);
]])], [
AC_MSG_RESULT([yes])
AC_SUBST(MONGOC_HAVE_RES_NDESTROY, 1)
AC_SUBST(MONGOC_HAVE_RES_NCLOSE, 0)
], [
AC_MSG_RESULT([no])
AC_SUBST(MONGOC_HAVE_RES_NDESTROY, 0)
AC_MSG_CHECKING([for res_nclose])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <sys/types.h>
#include <netinet/in.h>
#include <arpa/nameser.h>
#include <resolv.h>
]], [[
res_state statep;
res_nclose(statep);
]])], [
AC_MSG_RESULT([yes])
AC_SUBST(MONGOC_HAVE_RES_NCLOSE, 1)
], [
AC_MSG_RESULT([no])
AC_SUBST(MONGOC_HAVE_RES_NCLOSE, 0)
])
])
],[
AC_MSG_RESULT([no])
AC_SUBST(MONGOC_HAVE_RES_NSEARCH, 0)
AC_SUBST(MONGOC_HAVE_RES_NDESTROY, 0)
AC_SUBST(MONGOC_HAVE_RES_NCLOSE, 0)
dnl Thread-unsafe function.
AC_MSG_CHECKING([for res_search])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <sys/types.h>
#include <netinet/in.h>
#include <arpa/nameser.h>
#include <resolv.h>
]], [[
int len;
unsigned char reply[1024];
len = res_search("example.com", ns_c_in, ns_t_srv, reply, sizeof(reply));
]])], [
AC_MSG_RESULT([yes])
AC_SUBST(MONGOC_HAVE_RES_SEARCH, 1)
found_resolv="yes"
], [
AC_MSG_RESULT([no])
AC_SUBST(MONGOC_HAVE_RES_SEARCH, 0)
])
])
LIBS="$old_LIBS"
dnl Link libresolv if needed (note: on AIX, resolv functions are in libc)
AS_IF([test "$found_resolv" = "yes" -a "$os_aix" != "yes"],[
PHP_ADD_LIBRARY([resolv],,[MONGODB_SHARED_LIBADD])
])