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xen/m4/pthread.m4
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Matthew Fioravante 1f44053686 stubdom: Add autoconf
Stub domains now use autoconf to build.
This configure script can enable or disable specific domains
and also specify custom download locations for stubdom library
packages. See ./configure --help for details.

C and Caml are disabled by default. vtpm-stubdom is conditional
on the presense of cmake.

Rename vtpmmgrdom to vtpmmgr-stubdom

Also update .*ignore

Signed-off-by: Matthew Fioravante <matthew.fioravante@jhuapl.edu>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Campbell <ian.campbell@citrix.com>
2013-01-18 10:55:47 +00:00

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# We define, separately, PTHREAD_CFLAGS, _LDFLAGS and _LIBS
# even though currently we don't set them very separately.
# This means that the makefiles will not need to change in
# the future if we make the test more sophisticated.
AC_DEFUN([AX_PTHREAD_CV2VARS],[
PTHREAD_CFLAGS="$ax_cv_pthread_flags"
PTHREAD_LDFLAGS="$ax_cv_pthread_flags"
PTHREAD_LIBS=""
])
# We invoke AX_PTHREAD_VARS with the name of another macro
# which is then expanded once for each variable.
AC_DEFUN([AX_PTHREAD_VARS],[$1(CFLAGS) $1(LDFLAGS) $1(LIBS)])
AC_DEFUN([AX_PTHREAD_VAR_APPLY],[
$1="$$1 $PTHREAD_$1"
])
AC_DEFUN([AX_PTHREAD_VAR_SUBST],[AC_SUBST(PTHREAD_$1)])
AC_DEFUN([AX_CHECK_PTHREAD],[
AC_CACHE_CHECK([for pthread flag], [ax_cv_pthread_flags], [
ax_cv_pthread_flags=-pthread
AX_PTHREAD_CV2VARS
AX_PTHREAD_VARS([AX_SAVEVAR_SAVE])
AX_PTHREAD_VARS([AX_PTHREAD_VAR_APPLY])
AC_LINK_IFELSE([AC_LANG_SOURCE([
#include <pthread.h>
int main(void) {
pthread_atfork(0,0,0);
pthread_create(0,0,0,0);
}
])],[],[ax_cv_pthread_flags=failed])
AX_PTHREAD_VARS([AX_SAVEVAR_RESTORE])
])
if test "x$ax_cv_pthread_flags" = xfailed; then
AC_MSG_ERROR([-pthread does not work])
fi
AX_PTHREAD_CV2VARS
AX_PTHREAD_VARS([AX_PTHREAD_VAR_SUBST])
])