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author | Mikhail Gusarov | 2009-10-03 21:42:08 +0200 |
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committer | Karel Zak | 2009-10-06 12:45:42 +0200 |
commit | 4205f1fda1ac32046125a2e0f3937b666186bfab (patch) | |
tree | ad40e47ea3a9121b020a1b1d7e43e9795c0c406e /configure.ac | |
parent | fdformat: fix memory leak in verify_disk() (diff) | |
download | kernel-qcow2-util-linux-4205f1fda1ac32046125a2e0f3937b666186bfab.tar.gz kernel-qcow2-util-linux-4205f1fda1ac32046125a2e0f3937b666186bfab.tar.xz kernel-qcow2-util-linux-4205f1fda1ac32046125a2e0f3937b666186bfab.zip |
unshare: new command
New utility allows to run process with separate mount, UTC, IPC or
network namespaces.
[kzak@redhat.com: - some cosmetic changes in usage() and err() usage
- move "if BUILD_UNSHARE" to separate place in Makefile.am
- add unshare to .gitignore]
Signed-off-by: Mikhail Gusarov <dottedmag@dottedmag.net>
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'configure.ac')
-rw-r--r-- | configure.ac | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 4f4cbb39a..07c851fc1 100644 --- a/configure.ac +++ b/configure.ac @@ -372,6 +372,20 @@ AM_CONDITIONAL(HAVE_BLKID, test "x$have_blkid" = xyes) AC_ARG_VAR([BLKID_LIBS_STATIC], [-l options for linking statically with blkid]) +AC_ARG_ENABLE([unshare], + AS_HELP_STRING([--disable-unshare], [do not build unshare]), + [], enable_unshare=check +) +build_unshare=yes +if test "x$enable_unshare" = xcheck; then + if test "x$linux_os" = xno; then + AC_MSG_WARN([non-linux system; do not build unshare]) + build_unshare=no + fi +elif test "x$enable_unshare" = xno; then + build_unshare=no +fi +AM_CONDITIONAL(BUILD_UNSHARE, test "x$build_unshare" = xyes) UTIL_CHECK_LIB(util, openpty) UTIL_CHECK_LIB(termcap, tgetnum) @@ -563,6 +577,10 @@ dnl fallocate could be available as libc function or as syscall only UTIL_CHECK_SYSCALL([fallocate]) AC_CHECK_FUNCS([fallocate]) +dnl unshare could be available as libc function or as syscall only +UTIL_CHECK_SYSCALL([unshare]) +AC_CHECK_FUNCS([unshare]) + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <time.h> #include <unistd.h> |