Mercurial > hg > octave-nkf > gnulib-hg
changeset 1004:c209ddda9418
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| author | Jim Meyering <jim@meyering.net> |
|---|---|
| date | Sun, 31 Aug 1997 21:00:05 +0000 |
| parents | 86babd1ba90d |
| children | 2bcffb747838 |
| files | m4/lstat.m4 |
| diffstat | 1 files changed, 38 insertions(+), 0 deletions(-) [+] |
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new file mode 100644 --- /dev/null +++ b/m4/lstat.m4 @@ -0,0 +1,38 @@ +#serial 1 + +dnl From Jim Meyering. +dnl Determine whether lstat has the bug that it succeeds when given the +dnl zero-length file name argument. The lstat from SunOS4.1.4 does this. +dnl +dnl If it doesn't, arrange to use the replacement function. +dnl +dnl If you use this macro in a package, you should +dnl add the following two lines to acconfig.h: +dnl /* Define to rpl_lstat if the replacement function should be used. */ +dnl #undef lstat +dnl + +AC_DEFUN(jm_FUNC_LSTAT, +[ + AC_CACHE_CHECK([for working lstat], jm_cv_func_working_lstat, + [AC_TRY_RUN([ +# include <sys/types.h> +# include <sys/stat.h> + + int + main () + { + struct stat sbuf; + exit (lstat ("", &sbuf) == 0 ? 1 : 0); + } + ], + jm_cv_func_working_lstat=yes, + jm_cv_func_working_lstat=no, + dnl When crosscompiling, assume lstat is broken. + jm_cv_func_working_lstat=no) + ]) + if test $jm_cv_func_working_lstat = no; then + LIBOBJS="$LIBOBJS lstat.o" + AC_DEFINE_UNQUOTED(lstat, rpl_lstat) + fi +])