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build-sys: cleanup BUILD_UNSHARE 

Signed-off-by: Karel Zak <kzak@redhat.com>
This commit is contained in:
Karel Zak 2011-10-27 15:51:28 +02:00
parent 10e56b49a8
commit a2ea6670bb
1 changed files with 11 additions and 29 deletions
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40
configure.ac
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@ -735,10 +735,17 @@ if test "x$build_fallocate" = xyes; then
fi
dnl unshare could be available as libc function or as syscall only
UL_CHECK_SYSCALL([unshare])
AC_CHECK_FUNCS([unshare])
AC_ARG_ENABLE([unshare],
AS_HELP_STRING([--disable-unshare], [do not build unshare]),
[], enable_unshare=check
)
build_unshare=yes
UL_REQUIRES_LINUX([unshare])
UL_REQUIRES_SYSCALL_CHECK([unshare], [UL_CHECK_SYSCALL([unshare])])
AM_CONDITIONAL(BUILD_UNSHARE, test "x$build_unshare" = xyes)
if test "x$build_unshare" = xyes; then
AC_CHECK_FUNCS([unshare])
fi
UL_SET_ARCH(I86, i?86-*)
@ -855,31 +862,6 @@ AM_CONDITIONAL(BUILD_PIVOT_ROOT, test "x$build_pivot_root" = xyes)
AC_ARG_ENABLE([unshare],
AS_HELP_STRING([--disable-unshare], [do not build unshare]),
[], enable_unshare=check
)
if test "x$enable_unshare" = xno; then
build_unshare=no
else
build_unshare=yes
case $enable_unshare:$linux_os in
yes:no) AC_MSG_ERROR([unshare selected for non-linux system]);;
check:no) AC_MSG_WARN([non-linux system; do not build unshare])
build_unshare=no;;
esac
if test "x$build_unshare" = xyes; then
case $enable_unshare:$ul_cv_syscall_unshare in
yes:no) AC_MSG_ERROR([unshare selected but unshare syscall not found]);;
check:no) AC_MSG_WARN([unshare syscall not found; do not build unshare])
build_unshare=no;;
esac
fi
fi
AM_CONDITIONAL(BUILD_UNSHARE, test "x$build_unshare" = xyes)
AC_ARG_ENABLE([elvtune],
AS_HELP_STRING([--enable-elvtune], [build elvtune (only works with 2.2 and 2.4 kernels)]),
[], enable_elvtune=no