ericonr
/
util-linux
mirror of https://github.com/ericonr/util-linux.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

build-sys: check for openat() and linux for switch_root 

Signed-off-by: Peter Jones <pjones@redhat.com>
Signed-off-by: Karel Zak <kzak@redhat.com>
This commit is contained in:
Karel Zak 2009-06-09 15:21:39 +02:00
parent a6fc8b07f9
commit 940fd28c95
1 changed files with 22 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
configure.ac
View File

@ -145,6 +145,8 @@ AC_CHECK_FUNCS(
rpmatch])
AC_FUNC_FSEEKO
AC_CHECK_FUNCS([openat fstatat unlinkat], [have_openat=yes], [have_openat=no])
AC_CHECK_MEMBER(struct sockaddr.sa_len,
AC_DEFINE_UNQUOTED(HAVE_SA_LEN,1,[Define if struct sockaddr contains sa_len]),,
[#include <sys/types.h>
@ -630,9 +632,27 @@ AM_CONDITIONAL(BUILD_CRAMFS, test "x$build_cramfs" = xyes)
AC_ARG_ENABLE([switch_root],
AS_HELP_STRING([--disable-switch_root], [do not build switch_root]),
[], enable_switch_root=no
[], enable_switch_root=check
)
AM_CONDITIONAL(BUILD_SWITCH_ROOT, test "x$enable_switch_root" = xyes)
if test "x$enable_switch_root" = xno; then
build_switch_root=no
else
build_switch_root=yes
case $enable_switch_root:$linux_os in
yes:no) AC_MSG_ERROR([switch_root selected for non-linux system]);;
check:no) AC_MSG_WARN([non-linux system; do not build switch_root])
build_switch_root=no;;
esac
if test "x$build_switch_root" = xyes; then
case $enable_switch_root:$have_openat in
yes:no) AC_MSG_ERROR([switch_root selected but openat() function not found]);;
check:no) AC_MSG_WARN([openat() function not found; do not build switch_root])
build_switch_root=no;;
esac
fi
fi
AM_CONDITIONAL(BUILD_SWITCH_ROOT, test "x$build_switch_root" = xyes)
AC_ARG_ENABLE([elvtune],