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Code Issues Releases Wiki Activity

check if unistd.h declares fd_set

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This commit is contained in:
Mark Andrews
2001-01-23 00:57:58 +00:00
parent ea6709ec8a
commit a4938cc64a
1 changed files with 40 additions and 2 deletions
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42
configure.in
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@@ -18,7 +18,7 @@ AC_DIVERT_PUSH(AC_DIVERSION_NOTICE)dnl
esyscmd([sed "s/^/# /" COPYRIGHT])dnl
AC_DIVERT_POP()dnl
AC_REVISION($Revision: 1.216 $)
AC_REVISION($Revision: 1.217 $)
AC_INIT(lib/dns/name.c)
AC_PREREQ(2.13)
@@ -318,13 +318,51 @@ AC_PROG_YACC
AC_HEADER_STDC
AC_CHECK_HEADERS(fcntl.h sys/time.h unistd.h sys/sockio.h)
AC_CHECK_HEADERS(fcntl.h sys/time.h unistd.h sys/sockio.h sys/select.h)
AC_C_CONST
AC_C_INLINE
AC_TYPE_SIZE_T
AC_HEADER_TIME
#
# check if we need to #include sys/select.h explicitly
#
case $ac_cv_header_unistd_h in
yes)
AC_MSG_CHECKING(if unistd.h defines fd_set)
AC_TRY_COMPILE([
#include <unistd.h>],
[fd_set read_set; return (0);],
[AC_MSG_RESULT(yes)
ISC_PLATFORM_NEEDSYSSELECTH="#undef ISC_PLATFORM_NEEDSYSSELECTH"
LWRES_PLATFORM_NEEDSYSSELECTH="#undef LWRES_PLATFORM_NEEDSYSSELECTH"],
[AC_MSG_RESULT(no)
case ac_cv_header_sys_select_h in
yes)
ISC_PLATFORM_NEEDSYSSELECTH="#define ISC_PLATFORM_NEEDSYSSELECTH 1"
LWRES_PLATFORM_NEEDSYSSELECTH="#define LWRES_PLATFORM_NEEDSYSSELECTH 1"
;;
no)
AC_MSG_ERROR(["need either working unistd.h or sys/select.h"])
;;
esac
])
;;
no)
case ac_cv_header_sys_select_h in
yes)
ISC_PLATFORM_NEEDSYSSELECTH="#define ISC_PLATFORM_NEEDSYSSELECTH 1"
LWRES_PLATFORM_NEEDSYSSELECTH="#define LWRES_PLATFORM_NEEDSYSSELECTH 1"
;;
no)
AC_MSG_ERROR(["need either unistd.h or sys/select.h"])
;;
esac
;;
esac
AC_SUBST(ISC_PLATFORM_NEEDSYSSELECTH)
AC_SUBST(LWRES_PLATFORM_NEEDSYSSELECTH)
#
# Begin pthreads checking.
#