Mercurial > hg > octave-lojdl > gnulib-hg
changeset 1559:7466892dbc6b
*** empty log message ***
author | Jim Meyering <jim@meyering.net> |
---|---|
date | Mon, 07 Dec 1998 05:54:29 +0000 |
parents | db3dc1c514e1 |
children | 04f8fbbcb62f |
files | m4/dirname.m4 |
diffstat | 1 files changed, 27 insertions(+), 0 deletions(-) [+] |
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new file mode 100644 --- /dev/null +++ b/m4/dirname.m4 @@ -0,0 +1,27 @@ +#serial 1 + +dnl See if the dirname function modifies its argument. +dnl We can't just do AC_REPLACE_FUNCS(dirname) because some systems +dnl (e.g., X/Open) have a function by that name that modifies and returns +dnl its argument. +AC_DEFUN(jm_FUNC_DIRNAME, +[dnl + AC_CACHE_CHECK([for working dirname function], jm_cv_func_working_dirname, + [AC_TRY_RUN([ + int main () + { + const char *path = "a/b"; + char *dir = dirname (path); + exit ((dir != path && *dir == 'a' && dir[1] == 0) ? 0 : 1); + } + ], jm_cv_func_working_dirname=yes dnl The library version works. + , jm_cv_func_working_dirname=no dnl The library version does NOT work. + , jm_cv_func_working_dirname=no dnl We're cross compiling. + ) + ]) + + if test $jm_cv_func_working_dirname = no; then + LIBOBJS="$LIBOBJS dirname.o" + AC_SUBST(LIBOBJS)dnl + fi +])