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authorYang Tse <yangsita@gmail.com>2008-05-10 15:46:08 +0000
committerYang Tse <yangsita@gmail.com>2008-05-10 15:46:08 +0000
commitb380dd030f5d0974250f1ea9b871aee02733c2c8 (patch)
treeaaca006393a63907fa7586a8b36dbe403508892e /ares
parent19479ea0217c93fd2973168084d1bb724eb8a34f (diff)
Add library checking for clock_gettime() support
Diffstat (limited to 'ares')
-rw-r--r--ares/acinclude.m475
-rw-r--r--ares/configure.ac6
2 files changed, 80 insertions, 1 deletions
diff --git a/ares/acinclude.m4 b/ares/acinclude.m4
index 544559294..2a7bc02f6 100644
--- a/ares/acinclude.m4
+++ b/ares/acinclude.m4
@@ -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])
diff --git a/ares/configure.ac b/ares/configure.ac
index a7af5a183..28f90c8ab 100644
--- a/ares/configure.ac
+++ b/ares/configure.ac
@@ -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
[],