Mercurial > hg > octave-lyh > gnulib-hg
changeset 3097:78239ec08d9d
check for SunOS4.1.1U bug in rename
author | Jim Meyering <jim@meyering.net> |
---|---|
date | Sun, 14 Jan 2001 11:07:28 +0000 |
parents | 8d2c1a2c12b1 |
children | ff9fd852f849 |
files | m4/rename.m4 |
diffstat | 1 files changed, 40 insertions(+), 0 deletions(-) [+] |
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new file mode 100644 --- /dev/null +++ b/m4/rename.m4 @@ -0,0 +1,40 @@ +#serial 1 + +dnl From Volker Borchert. +dnl Determine whether rename works for source paths with a trailing slash. +dnl The rename from SunOS 4.1.1_U1 doesn't. +dnl +dnl If it doesn't, then define RENAME_TRAILING_SLASH_BUG and arrange +dnl to compile the wrapper function. +dnl + +AC_DEFUN(vb_FUNC_RENAME, +[ + AC_CACHE_CHECK([whether rename is broken], + vb_cv_func_rename_trailing_slash_bug, + [AC_TRY_RUN([ +# include <stdio.h> + + int + main () + { + if (mkdir ("foo") < 0) + exit (1); + if (rename ("foo/", "bar") < 0) + { rmdir ("foo"); exit (1); } + else + { rmdir ("bar"); exit (0); } + } + ], + vb_cv_func_rename_trailing_slash_bug=no, + vb_cv_func_rename_trailing_slash_bug=yes, + dnl When crosscompiling, assume rename is broken. + vb_cv_func_rename_trailing_slash_bug=yes) + ]) + if test $vb_cv_func_rename_trailing_slash_bug = yes; then + AC_LIBOBJ(rename) + AC_DEFINE_UNQUOTED(RENAME_TRAILING_SLASH_BUG, 1, +[Define if rename does not work for source paths with a trailing slash, + like the one from SunOS 4.1.1_U1. ]) + fi +])