diff options
Diffstat (limited to 'contrib/amd/m4/macros/check_mnttab_type.m4')
-rw-r--r-- | contrib/amd/m4/macros/check_mnttab_type.m4 | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/contrib/amd/m4/macros/check_mnttab_type.m4 b/contrib/amd/m4/macros/check_mnttab_type.m4 new file mode 100644 index 0000000..98d6b55 --- /dev/null +++ b/contrib/amd/m4/macros/check_mnttab_type.m4 @@ -0,0 +1,143 @@ +dnl ###################################################################### +dnl check the string type of the name of a filesystem mount table entry. +dnl Usage: AC_CHECK_MNTTAB_TYPE(<fs>, [fssymbol]) +dnl Check if there is an entry for MNTTYPE_<fs> in sys/mntent.h and mntent.h +dnl define MNTTAB_TYPE_<fs> to the string name (e.g., "nfs"). If <fssymbol> +dnl exist, then define MNTTAB_TYPE_<fssymbol> instead. If <fssymbol> is +dnl defined, then <fs> can be a list of fs strings to look for. +dnl If no symbols have been defined, but the filesystem has been found +dnl earlier, then set the mount-table type to "<fs>" anyway... +AC_DEFUN(AMU_CHECK_MNTTAB_TYPE, +[ +# find what name to give to the fs +if test -n "$2" +then + ac_fs_name=$2 +else + ac_fs_name=$1 +fi +# store variable name of fs +ac_upcase_fs_name=`echo $ac_fs_name | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` +ac_safe=MNTTAB_TYPE_$ac_upcase_fs_name +# check for cache and set it if needed +AMU_CACHE_CHECK_DYNAMIC(for mnttab name for $ac_fs_name filesystem, +ac_cv_mnttab_type_$ac_fs_name, +[ +# undefine by default +eval "ac_cv_mnttab_type_$ac_fs_name=notfound" +# and look to see if it was found +for ac_fs_tmp in $1 +do + if test "$ac_fs_tmp" = "nfs3" -a "$ac_cv_fs_nfs3" = "yes" -a "$ac_cv_header_linux_nfs_h" = "yes" + then + eval "ac_cv_mnttab_type_$ac_fs_name=\\\"$ac_cv_mnttab_type_nfs\\\"" + break + fi + + ac_upcase_fs_symbol=`echo $ac_fs_tmp | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' | tr -d '.'` + + # first look for MNTTYPE_* + AC_EGREP_CPP(yes, + AMU_MOUNT_HEADERS( + [ +#ifdef MNTTYPE_$ac_upcase_fs_symbol + yes +#endif /* MNTTYPE_$ac_upcase_fs_symbol */ + ]), + [ eval "ac_cv_mnttab_type_$ac_fs_name=\\\"$ac_fs_tmp\\\"" + ]) + # check if need to terminate "for" loop + if test "`eval echo '$''{ac_cv_mnttab_type_'$ac_fs_name'}'`" != notfound + then + break + fi + + # look for a loadable filesystem module (linux) + if test -f /lib/modules/$host_os_version/fs/$ac_fs_tmp.o + then + eval "ac_cv_mnttab_type_$ac_fs_name=\\\"$ac_fs_tmp\\\"" + break + fi + + # look for a loadable filesystem module (linux 2.4+) + if test -f /lib/modules/$host_os_version/kernel/fs/$ac_fs_tmp/$ac_fs_tmp.o + then + eval "ac_cv_mnttab_type_$ac_fs_name=\\\"$ac_fs_tmp\\\"" + break + fi + + # look for a loadable filesystem module (linux redhat-5.1) + if test -f /lib/modules/preferred/fs/$ac_fs_tmp.o + then + eval "ac_cv_mnttab_type_$ac_fs_name=\\\"$ac_fs_tmp\\\"" + break + fi + + # next look for statically compiled filesystem (linux) + if egrep "[[^a-zA-Z0-9_]]$ac_fs_tmp$" /proc/filesystems >/dev/null 2>&1 + then + eval "ac_cv_mnttab_type_$ac_fs_name=\\\"$ac_fs_tmp\\\"" + break + fi + + # then try to run a program that derefences a static array (bsd44) + AMU_EXPAND_RUN_STRING( + AMU_MOUNT_HEADERS( + [ +#ifndef INITMOUNTNAMES +# error INITMOUNTNAMES not defined +#endif /* not INITMOUNTNAMES */ + ]), + [ + char const *namelist[] = INITMOUNTNAMES; + if (argc > 1) + printf("\"%s\"", namelist[MOUNT_$ac_upcase_fs_symbol]); + ], [ eval "ac_cv_mnttab_type_$ac_fs_name=\\\"$value\\\"" + ]) + # check if need to terminate "for" loop + if test "`eval echo '$''{ac_cv_mnttab_type_'$ac_fs_name'}'`" != notfound + then + break + fi + + # finally run a test program for bsdi3 + AC_TRY_RUN( + [ +#include <sys/param.h> +#include <sys/mount.h> +main() +{ + int i; + struct vfsconf vf; + i = getvfsbyname("$ac_fs_tmp", &vf); + if (i < 0) + exit(1); + else + exit(0); +} + ], [eval "ac_cv_mnttab_type_$ac_fs_name=\\\"$ac_fs_tmp\\\"" + break + ] + ) + +done + +# check if not defined, yet the filesystem is defined +if test "`eval echo '$''{ac_cv_mnttab_type_'$ac_fs_name'}'`" = notfound +then +# this should test if $ac_cv_fs_<fsname> is "yes" + if test "`eval echo '$''{ac_cv_fs_'$ac_fs_name'}'`" = yes || + test "`eval echo '$''{ac_cv_fs_header_'$ac_fs_name'}'`" = yes + then + eval "ac_cv_mnttab_type_$ac_fs_name=\\\"$ac_fs_name\\\"" + fi +fi +]) +# check if need to define variable +ac_tmp=`eval echo '$''{ac_cv_mnttab_type_'$ac_fs_name'}'` +if test "$ac_tmp" != notfound +then + AC_DEFINE_UNQUOTED($ac_safe, $ac_tmp) +fi +]) +dnl ====================================================================== |