diff options
Diffstat (limited to 'm4/rmdir.m4')
| -rw-r--r-- | m4/rmdir.m4 | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/m4/rmdir.m4 b/m4/rmdir.m4 new file mode 100644 index 0000000..a24d845 --- /dev/null +++ b/m4/rmdir.m4 @@ -0,0 +1,53 @@ +# rmdir.m4 serial 16 +dnl Copyright (C) 2002, 2005, 2009-2018 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_RMDIR], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + dnl Detect cygwin 1.5.x bug. + AC_CHECK_HEADERS_ONCE([unistd.h]) + AC_CACHE_CHECK([whether rmdir works], [gl_cv_func_rmdir_works], + [mkdir conftest.dir + touch conftest.file + AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [[#include <stdio.h> + #include <errno.h> + #if HAVE_UNISTD_H + # include <unistd.h> + #else /* on Windows with MSVC */ + # include <direct.h> + #endif +]], [[int result = 0; + if (!rmdir ("conftest.file/")) + result |= 1; + else if (errno != ENOTDIR) + result |= 2; + if (!rmdir ("conftest.dir/./")) + result |= 4; + return result; + ]])], + [gl_cv_func_rmdir_works=yes], [gl_cv_func_rmdir_works=no], + [case "$host_os" in + # Guess yes on Linux systems. + linux-* | linux) gl_cv_func_rmdir_works="guessing yes" ;; + # Guess yes on glibc systems. + *-gnu* | gnu*) gl_cv_func_rmdir_works="guessing yes" ;; + # Guess no on native Windows. + mingw*) gl_cv_func_rmdir_works="guessing no" ;; + # If we don't know, assume the worst. + *) gl_cv_func_rmdir_works="guessing no" ;; + esac + ]) + rm -rf conftest.dir conftest.file]) + case "$gl_cv_func_rmdir_works" in + *yes) ;; + *) + REPLACE_RMDIR=1 + ;; + esac +]) |