diff options
Diffstat (limited to 'm4/nanosleep.m4')
| -rw-r--r-- | m4/nanosleep.m4 | 33 |
1 files changed, 21 insertions, 12 deletions
diff --git a/m4/nanosleep.m4 b/m4/nanosleep.m4 index 51083cb65b5..ff730b676cd 100644 --- a/m4/nanosleep.m4 +++ b/m4/nanosleep.m4 @@ -1,4 +1,4 @@ -# serial 42 +# serial 47 dnl From Jim Meyering. dnl Check for the nanosleep function. @@ -21,15 +21,15 @@ AC_DEFUN([gl_FUNC_NANOSLEEP], AC_CHECK_DECLS_ONCE([alarm]) - nanosleep_save_libs=$LIBS + gl_saved_LIBS=$LIBS # Solaris 2.5.1 needs -lposix4 to get the nanosleep function. # Solaris 7 prefers the library name -lrt to the obsolescent name -lposix4. - LIB_NANOSLEEP= - AC_SUBST([LIB_NANOSLEEP]) + NANOSLEEP_LIB= + AC_SUBST([NANOSLEEP_LIB]) AC_SEARCH_LIBS([nanosleep], [rt posix4], [test "$ac_cv_search_nanosleep" = "none required" || - LIB_NANOSLEEP=$ac_cv_search_nanosleep]) + NANOSLEEP_LIB=$ac_cv_search_nanosleep]) if test "x$ac_cv_search_nanosleep" != xno; then dnl The system has a nanosleep function. @@ -116,19 +116,24 @@ AC_DEFUN([gl_FUNC_NANOSLEEP], *) gl_cv_func_nanosleep=no ;; esac], [case "$host_os" in - linux*) # Guess it halfway works when the kernel is Linux. + # Guess it halfway works when the kernel is Linux. + linux*) gl_cv_func_nanosleep='guessing no (mishandles large arguments)' ;; - mingw*) # Guess no on native Windows. + # Midipix generally emulates the Linux system calls, + # but here it handles large arguments correctly. + midipix*) + gl_cv_func_nanosleep='guessing yes' ;; + # Guess no on native Windows. + mingw* | windows*) gl_cv_func_nanosleep='guessing no' ;; - *) # If we don't know, obey --enable-cross-guesses. + # If we don't know, obey --enable-cross-guesses. + *) gl_cv_func_nanosleep="$gl_cross_guess_normal" ;; esac ]) ]) case "$gl_cv_func_nanosleep" in - *yes) - REPLACE_NANOSLEEP=0 - ;; + *yes) ;; *) REPLACE_NANOSLEEP=1 case "$gl_cv_func_nanosleep" in @@ -142,5 +147,9 @@ AC_DEFUN([gl_FUNC_NANOSLEEP], else HAVE_NANOSLEEP=0 fi - LIBS=$nanosleep_save_libs + LIBS=$gl_saved_LIBS + + # For backward compatibility. + LIB_NANOSLEEP="$NANOSLEEP_LIB" + AC_SUBST([LIB_NANOSLEEP]) ]) |