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| author | Reuben Hawkins <reubenhwk@gmail.com> | 2015-01-08 12:00:56 -0800 |
|---|---|---|
| committer | Junio C Hamano <gitster@pobox.com> | 2015-01-09 15:33:39 -0800 |
| commit | a6c3c638acea34116c6be7cc4be41a9bc55a7fa1 (patch) | |
| tree | b1921a1fdacdf8d6e27ff9db1c9e60be16046ffc /configure.ac | |
| parent | 8bd2c972b1e2343620cad5b0f56de0f2524b7564 (diff) | |
| download | git-a6c3c638acea34116c6be7cc4be41a9bc55a7fa1.tar.gz | |
configure.ac: check for clock_gettime and CLOCK_MONOTONIC
Set or clear Makefile variables HAVE_CLOCK_GETTIME and
HAVE_CLOCK_MONOTONIC based upon results of the checks (overriding
default values from config.mak.uname).
CLOCK_MONOTONIC isn't available on RHEL3, but there are still RHEL3
systems being used in production.
Signed-off-by: Reuben Hawkins <reubenhwk@gmail.com>
Reviewed-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 583af8ab5f..6361dcbd50 100644 --- a/configure.ac +++ b/configure.ac @@ -947,6 +947,28 @@ AC_CHECK_LIB([iconv], [locale_charset], [CHARSET_LIB=-lcharset])]) GIT_CONF_SUBST([CHARSET_LIB]) # +# Define HAVE_CLOCK_GETTIME=YesPlease if clock_gettime is available. +GIT_CHECK_FUNC(clock_gettime, + [HAVE_CLOCK_GETTIME=YesPlease], + [HAVE_CLOCK_GETTIME=]) +GIT_CONF_SUBST([HAVE_CLOCK_GETTIME]) + +AC_DEFUN([CLOCK_MONOTONIC_SRC], [ +AC_LANG_PROGRAM([[ +#include <time.h> +clockid_t id = CLOCK_MONOTONIC; +]])]) + +# +# Define HAVE_CLOCK_MONOTONIC=YesPlease if CLOCK_MONOTONIC is available. +AC_MSG_CHECKING([for CLOCK_MONOTONIC]) +AC_COMPILE_IFELSE([CLOCK_MONOTONIC_SRC], + [AC_MSG_RESULT([yes]) + HAVE_CLOCK_MONOTONIC=YesPlease], + [AC_MSG_RESULT([no]) + HAVE_CLOCK_MONOTONIC=]) +GIT_CONF_SUBST([HAVE_CLOCK_MONOTONIC]) +# # Define NO_SETITIMER if you don't have setitimer. GIT_CHECK_FUNC(setitimer, [NO_SETITIMER=], |