diff options
Diffstat (limited to 'm4/gettimeofday.m4')
| -rw-r--r-- | m4/gettimeofday.m4 | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/m4/gettimeofday.m4 b/m4/gettimeofday.m4 index 2ac299257..e7a5a6db6 100644 --- a/m4/gettimeofday.m4 +++ b/m4/gettimeofday.m4 @@ -1,4 +1,4 @@ -#serial 2 +#serial 4 dnl From Jim Meyering. dnl @@ -12,7 +12,7 @@ dnl the wrapper functions that work around the problem. AC_DEFUN([AC_FUNC_GETTIMEOFDAY_CLOBBER], [ AC_REQUIRE([AC_HEADER_TIME]) - AC_CHECK_HEADERS(string.h stdlib.h) + AC_CHECK_HEADERS_ONCE(stdlib.h string.h) AC_CACHE_CHECK([whether gettimeofday clobbers localtime buffer], jm_cv_func_gettimeofday_clobber, [AC_TRY_RUN([ @@ -58,17 +58,25 @@ main () jm_cv_func_gettimeofday_clobber=yes) ]) if test $jm_cv_func_gettimeofday_clobber = yes; then - # Caution: the following few lines should be the same - # as those in gettimeofday.m4. - AC_LIBOBJ(gettimeofday) - AC_DEFINE(gmtime, rpl_gmtime, - [Define to rpl_gmtime if the replacement function should be used.]) - AC_DEFINE(localtime, rpl_localtime, - [Define to rpl_localtime if the replacement function should be used.]) + gl_GETTIMEOFDAY_REPLACE_LOCALTIME AC_DEFINE(gettimeofday, rpl_gettimeofday, [Define to rpl_gettimeofday if the replacement function should be used.]) AC_DEFINE(GETTIMEOFDAY_CLOBBERS_LOCALTIME_BUFFER, 1, [Define if gettimeofday clobbers localtime's static buffer.]) + gl_PREREQ_GETTIMEOFDAY fi ]) + +AC_DEFUN([gl_GETTIMEOFDAY_REPLACE_LOCALTIME], [ + AC_LIBOBJ(gettimeofday) + AC_DEFINE(gmtime, rpl_gmtime, + [Define to rpl_gmtime if the replacement function should be used.]) + AC_DEFINE(localtime, rpl_localtime, + [Define to rpl_localtime if the replacement function should be used.]) +]) + +# Prerequisites of lib/gettimeofday.c. +AC_DEFUN([gl_PREREQ_GETTIMEOFDAY], [ + AC_REQUIRE([AC_HEADER_TIME]) +]) |