diff options
Diffstat (limited to 'm4/sys_stat_h.m4')
-rw-r--r-- | m4/sys_stat_h.m4 | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/m4/sys_stat_h.m4 b/m4/sys_stat_h.m4 new file mode 100644 index 0000000..2283138 --- /dev/null +++ b/m4/sys_stat_h.m4 @@ -0,0 +1,50 @@ +# sys_stat_h.m4 serial 5 -*- Autoconf -*- +dnl Copyright (C) 2006-2007 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. + +dnl From Eric Blake. +dnl Test whether <sys/stat.h> contains lstat and mkdir or must be substituted. + +AC_DEFUN([gl_HEADER_SYS_STAT_H], +[ + dnl Check for lstat. Systems that lack it (mingw) also lack symlinks, so + dnl stat is a good replacement. + AC_CHECK_FUNCS_ONCE([lstat]) + if test $ac_cv_func_lstat = yes; then + HAVE_LSTAT=1 + else + HAVE_LSTAT=0 + fi + AC_SUBST([HAVE_LSTAT]) + + dnl Check for mkdir. Mingw has _mkdir(name) in the nonstandard <io.h> + dnl instead. + AC_CHECK_DECLS([mkdir], + [], + [AC_CHECK_HEADERS([io.h])], + [#include <sys/stat.h>]) + if test $ac_cv_have_decl_mkdir = yes; then + HAVE_DECL_MKDIR=1 + else + HAVE_DECL_MKDIR=0 + fi + AC_SUBST([HAVE_DECL_MKDIR]) + if test "$ac_cv_header_io_h" = yes; then + HAVE_IO_H=1 + else + HAVE_IO_H=0 + fi + AC_SUBST([HAVE_IO_H]) + AC_REQUIRE([AC_C_INLINE]) + + dnl Check for broken stat macros. + AC_REQUIRE([AC_HEADER_STAT]) + + gl_ABSOLUTE_HEADER([sys/stat.h]) + ABSOLUTE_SYS_STAT_H=\"$gl_cv_absolute_sys_stat_h\" + AC_SUBST([ABSOLUTE_SYS_STAT_H]) + SYS_STAT_H='sys/stat.h' + AC_SUBST([SYS_STAT_H]) +]) # gl_HEADER_SYS_STAT_H |