diff options
Diffstat (limited to 'contrib/amd/m4/macros/check_mnttab_file_name.m4')
-rw-r--r-- | contrib/amd/m4/macros/check_mnttab_file_name.m4 | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/contrib/amd/m4/macros/check_mnttab_file_name.m4 b/contrib/amd/m4/macros/check_mnttab_file_name.m4 new file mode 100644 index 000000000000..6ad11d208a1b --- /dev/null +++ b/contrib/amd/m4/macros/check_mnttab_file_name.m4 @@ -0,0 +1,57 @@ +dnl ###################################################################### +dnl Find name of mount table file, and define it as MNTTAB_FILE_NAME +dnl +dnl Solaris defines MNTTAB as /etc/mnttab, the file where /sbin/mount +dnl stores its cache of mounted filesystems. But under SunOS, the same +dnl macro MNTTAB, is defined as the _source_ of filesystems to mount, and +dnl is set to /etc/fstab. That is why I have to first check out +dnl if MOUNTED exists, and if not, check for the MNTTAB macro. +dnl +AC_DEFUN(AMU_CHECK_MNTTAB_FILE_NAME, +[ +AC_CACHE_CHECK(for name of mount table file name, +ac_cv_mnttab_file_name, +[ +# expand cpp value for MNTTAB +AMU_EXPAND_CPP_STRING( +AMU_MOUNT_HEADERS( +[ +/* see M4 comment at the top of the definition of this macro */ +#ifdef MOUNTED +# define _MNTTAB_FILE_NAME MOUNTED +# else /* not MOUNTED */ +# ifdef MNTTAB +# define _MNTTAB_FILE_NAME MNTTAB +# endif /* MNTTAB */ +#endif /* not MOUNTED */ +]), +_MNTTAB_FILE_NAME, +[ ac_cv_mnttab_file_name=$value +], +[ +ac_cv_mnttab_file_name=notfound +# check explicitly for /etc/mnttab +if test "$ac_cv_mnttab_file_name" = notfound +then + if test -f /etc/mnttab + then + ac_cv_mnttab_file_name="/etc/mnttab" + fi +fi +# check explicitly for /etc/mtab +if test "$ac_cv_mnttab_file_name" = notfound +then + if test -f /etc/mtab + then + ac_cv_mnttab_file_name="/etc/mtab" + fi +fi +]) +]) +# test value and create macro as needed +if test "$ac_cv_mnttab_file_name" != notfound +then + AC_DEFINE_UNQUOTED(MNTTAB_FILE_NAME, "$ac_cv_mnttab_file_name") +fi +]) +dnl ====================================================================== |