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Add library checking for clock_gettime() support

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This commit is contained in:
Yang Tse 2008-05-10 15:46:08 +00:00
parent 19479ea021
commit b380dd030f
4 changed files with 161 additions and 2 deletions
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76
acinclude.m4
View File

@ -1814,6 +1814,82 @@ AC_DEFUN([TYPE_IN_ADDR_T],
]) dnl AC_CHECK_TYPE
]) dnl AC_DEFUN
dnl CURL_CHECK_LIBS_CLOCK_GETTIME
dnl -------------------------------------------------
dnl Check for libraries needed for clock_gettime,
dnl and prepended to LIBS any needed libraries.
AC_DEFUN([CURL_CHECK_LIBS_CLOCK_GETTIME], [
AC_REQUIRE([AC_HEADER_TIME])dnl
AC_CHECK_HEADERS(sys/types.h sys/time.h time.h)
#
AC_MSG_CHECKING([for clock_gettime in libraries])
#
curl_cv_save_LIBS="$LIBS"
curl_cv_gclk_LIBS="unknown"
#
for x_xlibs in '' '-lrt' '-lposix4' ; do
if test -z "$x_xlibs"; then
LIBS="$curl_cv_save_LIBS"
else
LIBS="$x_xlibs $curl_cv_save_LIBS"
fi
AC_LINK_IFELSE([
AC_LANG_PROGRAM([
#undef inline
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#ifdef TIME_WITH_SYS_TIME
#include <time.h>
#endif
#else
#ifdef HAVE_TIME_H
#include <time.h>
#endif
#endif
],[
(void)clock_gettime(0, 0);
])
],[
curl_cv_gclk_LIBS="$x_xlibs"
break
])
done
#
LIBS="$curl_cv_save_LIBS"
#
case X-"$curl_cv_gclk_LIBS" in
X-unknown)
AC_MSG_RESULT([cannot find clock_gettime])
ac_cv_func_clock_gettime="no"
;;
X-)
AC_MSG_RESULT([no additional lib required])
ac_cv_func_clock_gettime="yes"
;;
*)
if test -z "$curl_cv_save_LIBS"; then
LIBS="$curl_cv_gclk_LIBS"
else
LIBS="$curl_cv_gclk_LIBS $curl_cv_save_LIBS"
fi
AC_MSG_RESULT([$curl_cv_gclk_LIBS])
ac_cv_func_clock_gettime="yes"
;;
esac
#
case "$ac_cv_func_clock_gettime" in
yes)
AC_DEFINE_UNQUOTED(HAVE_CLOCK_GETTIME, 1,
[Define to 1 if you have the clock_gettime function.])
;;
esac
#
]) dnl AC_DEFUN
dnl ************************************************************
dnl check for "localhost", if it doesn't exist, we can't do the
dnl gethostbyname_r tests!

75
ares/acinclude.m4
View File

@ -1283,6 +1283,81 @@ AC_DEFUN([TYPE_IN_ADDR_T],
]) dnl AC_CHECK_TYPE
]) dnl AC_DEFUN
dnl CURL_CHECK_LIBS_CLOCK_GETTIME
dnl -------------------------------------------------
dnl Check for libraries needed for clock_gettime,
dnl and prepended to LIBS any needed libraries.
AC_DEFUN([CURL_CHECK_LIBS_CLOCK_GETTIME], [
AC_REQUIRE([AC_HEADER_TIME])dnl
AC_CHECK_HEADERS(sys/types.h sys/time.h time.h)
#
AC_MSG_CHECKING([for clock_gettime in libraries])
#
curl_cv_save_LIBS="$LIBS"
curl_cv_gclk_LIBS="unknown"
#
for x_xlibs in '' '-lrt' '-lposix4' ; do
if test -z "$x_xlibs"; then
LIBS="$curl_cv_save_LIBS"
else
LIBS="$x_xlibs $curl_cv_save_LIBS"
fi
AC_LINK_IFELSE([
AC_LANG_PROGRAM([
#undef inline
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#ifdef TIME_WITH_SYS_TIME
#include <time.h>
#endif
#else
#ifdef HAVE_TIME_H
#include <time.h>
#endif
#endif
],[
(void)clock_gettime(0, 0);
])
],[
curl_cv_gclk_LIBS="$x_xlibs"
break
])
done
#
LIBS="$curl_cv_save_LIBS"
#
case X-"$curl_cv_gclk_LIBS" in
X-unknown)
AC_MSG_RESULT([cannot find clock_gettime])
ac_cv_func_clock_gettime="no"
;;
X-)
AC_MSG_RESULT([no additional lib required])
ac_cv_func_clock_gettime="yes"
;;
*)
if test -z "$curl_cv_save_LIBS"; then
LIBS="$curl_cv_gclk_LIBS"
else
LIBS="$curl_cv_gclk_LIBS $curl_cv_save_LIBS"
fi
AC_MSG_RESULT([$curl_cv_gclk_LIBS])
ac_cv_func_clock_gettime="yes"
;;
esac
#
case "$ac_cv_func_clock_gettime" in
yes)
AC_DEFINE_UNQUOTED(HAVE_CLOCK_GETTIME, 1,
[Define to 1 if you have the clock_gettime function.])
;;
esac
#
]) dnl AC_DEFUN
dnl **********************************************************************
dnl CURL_DETECT_ICC ([ACTION-IF-YES])

6
ares/configure.ac
View File

@ -260,6 +260,11 @@ fi
dnl socket lib?
AC_CHECK_FUNC(connect, , [ AC_CHECK_LIB(socket, connect) ])
dnl **********************************************************************
dnl Check for libraries needed for function clock_gettime
dnl **********************************************************************
CURL_CHECK_LIBS_CLOCK_GETTIME
AC_MSG_CHECKING([whether to use libgcc])
AC_ARG_ENABLE(libgcc,
AC_HELP_STRING([--enable-libgcc],[use libgcc when linking]),
@ -644,7 +649,6 @@ AC_CHECK_MEMBER(struct addrinfo.ai_flags,
AC_CHECK_FUNCS( bitncmp \
gettimeofday \
clock_gettime \
if_indextoname,
dnl if found
[],

6
configure.ac
View File

@ -567,6 +567,11 @@ fi
dnl socket lib?
AC_CHECK_FUNC(connect, , [ AC_CHECK_LIB(socket, connect) ])
dnl **********************************************************************
dnl Check for libraries needed for function clock_gettime
dnl **********************************************************************
CURL_CHECK_LIBS_CLOCK_GETTIME
dnl **********************************************************************
dnl The preceding library checks are all potentially useful for test
dnl servers (for providing networking support). Save the list of required
@ -1976,7 +1981,6 @@ AC_CHECK_FUNCS( strtoll \
strcmpi \
gethostbyaddr \
gettimeofday \
clock_gettime \
inet_addr \
inet_ntoa \
inet_pton \