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#serial 3
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,
[
rm -rf conftest.d1 conftest.d2
mkdir conftest.d1 ||
AC_MSG_ERROR([cannot create temporary directory])
AC_TRY_RUN([
# include <stdio.h>
int
main ()
{
exit (rename ("conftest.d1/", "conftest.d2") ? 1 : 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)
rm -rf conftest.d1 conftest.d2
])
if test $vb_cv_func_rename_trailing_slash_bug = yes; then
AC_LIBOBJ(rename)
AC_DEFINE(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
])
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