diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/configure.in b/configure.in index d916de2..4cb082b 100644 --- a/configure.in +++ b/configure.in @@ -673,7 +673,8 @@ dnl ---------------------------------------------------------------------- dnl Check for these two functions before <sys/time.h> is checked for, otherwise dnl they are not detected correctly on Solaris [2.6]. dnl -AC_CHECK_FUNCS(difftime gettimeofday) +AC_CHECK_FUNCS(difftime) +AC_CHECK_FUNCS(gettimeofday, [have_gettime="yes"], [have_gettime="no"]) dnl Unix AC_CHECK_HEADERS([sys/resource.h sys/time.h unistd.h sys/ioctl.h sys/stat.h]) @@ -1626,9 +1627,39 @@ AC_TRY_COMPILE([ #include <time.h>], [struct timezone tz; tz.tz_minuteswest=0;], AC_DEFINE([HAVE_STRUCT_TIMEZONE], [1], [Define if \`struct timezone' is defined]) +have_struct_tz="yes" AC_MSG_RESULT([yes]), AC_MSG_RESULT([no])) +dnl If gettimeofday() is going to be used, make sure it uses the timezone struct + +if test "$have_gettime" = "yes" -a "$have_struct_tz" = "yes"; then + AC_MSG_CHECKING(whether gettimeofday() gives timezone) + AC_TRY_RUN([ + #include <time.h> + #include <sys/time.h> + int main(void) + { + struct timeval tv; + struct timezone tz; + tz.tz_minuteswest = 7777; /* Initialize to an unreasonable number */ + tz.tz_dsttime = 7; + gettimeofday(&tv, &tz); + /* Check whether the function returned any value at all */ + if(tz.tz_minuteswest == 7777 && tz.tz_dsttime == 7) + exit(1); + else exit (0); + }], [hdf5_use_tz="yes"], [hdf5_use_tz="no"],) + + if test "$hdf5_use_tz" = "yes"; then + AC_MSG_RESULT([yes]) + AC_DEFINE([GETTIMEOFDAY_GIVES_TZ], [1], + [Define if gettimeofday() populates the tz pointer passed in]) + else + AC_MSG_RESULT([no]) + fi +fi + dnl ---------------------------------------------------------------------- dnl Does the struct stat have the st_blocks field? This field is not Posix. dnl |