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dnl __BEGIN_LICENSE__
dnl Copyright (c) 2009-2012, United States Government as represented by the
dnl Administrator of the National Aeronautics and Space Administration. All
dnl rights reserved.
dnl
dnl The NGT platform is licensed under the Apache License, Version 2.0 (the
dnl "License"); you may not use this file except in compliance with the
dnl License. You may obtain a copy of the License at
dnl http://www.apache.org/licenses/LICENSE-2.0
dnl
dnl Unless required by applicable law or agreed to in writing, software
dnl distributed under the License is distributed on an "AS IS" BASIS,
dnl WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
dnl See the License for the specific language governing permissions and
dnl limitations under the License.
dnl __END_LICENSE__
dnl Usage: AX_PKG_PTHREADS
AC_DEFUN([AX_PKG_PTHREADS],
[
AC_MSG_CHECKING(for package PTHREADS)
AC_LANG_PUSH(C)
HAVE_PKG_PTHREADS=no
ax_pkg_pthreads_cppflags_options="none -pthread"
ax_pkg_pthreads_ldflags_options="-lpthread none"
for ax_pkg_pthreads_ldflags in $ax_pkg_pthreads_ldflags_options; do
if test "$ax_pkg_pthreads_ldflags" = "none" ; then
PKG_PTHREADS_LDFLAGS=""
else
PKG_PTHREADS_LDFLAGS=$ax_pkg_pthreads_ldflags
fi
for ax_pkg_pthreads_cppflags in $ax_pkg_pthreads_cppflags_options; do
if test "$ax_pkg_pthreads_cppflags" = "none" ; then
PKG_PTHREADS_CPPFLAGS=""
else
PKG_PTHREADS_CPPFLAGS=$ax_pkg_pthreads_cppflags
fi
ax_pkg_pthreads_save_CFLAGS="$CFLAGS"
ax_pkg_pthreads_save_LDFLAGS="$LDFLAGS"
CFLAGS="$CFLAGS $PKG_PTHREADS_CPPFLAGS"
LDFLAGS="$PKG_PTHREADS_LDFLAGS $LDFLAGS"
AC_TRY_LINK([#include <pthread.h>],
[pthread_t th; pthread_create(0,0,0,0);],
[HAVE_PKG_PTHREADS=yes])
CFLAGS="$ax_pkg_pthreads_save_CFLAGS"
LDFLAGS="$ax_pkg_pthreads_save_LDFLAGS"
if test "$HAVE_PKG_PTHREADS" = "yes"; then
break 2;
fi
done
done
AC_LANG_POP(C)
if test "$HAVE_PKG_PTHREADS" = "yes" ; then
CFLAGS="$CFLAGS $PKG_PTHREADS_CPPFLAGS"
CXXFLAGS="$CXXFLAGS $PKG_PTHREADS_CPPFLAGS"
PKG_PTHREADS_LIBS="$PKG_PTHREADS_LDFLAGS"
fi
AC_MSG_RESULT([${HAVE_PKG_PTHREADS}])
if test "${HAVE_PKG_PTHREADS}" = "yes" ; then
ax_have_pkg_bool=1
else
ax_have_pkg_bool=0
fi
AC_DEFINE_UNQUOTED([HAVE_PKG_PTHREADS],
[$ax_have_pkg_bool],
[Define to 1 if the PTHREADS package is available.])
AC_SUBST(HAVE_PKG_PTHREADS)
AC_SUBST(PKG_PTHREADS_CPPFLAGS)
AC_SUBST(PKG_PTHREADS_LIBS)
AX_LOG([HAVE_PKG_PTHREADS=${HAVE_PKG_PTHREADS}])
AX_LOG([PKG_PTHREADS_CPPFLAGS=${PKG_PTHREADS_CPPFLAGS}])
AX_LOG([PKG_PTHREADS_LIBS=${PKG_PTHREADS_LIBS}])
AX_LOG([CFLAGS=$CFLAGS])
AX_LOG([CXXFLAGS=$CXXFLAGS])
AX_LOG([CPPFLAGS=$CPPFLAGS])
AX_LOG([LDFLAGS=$LDFLAGS])
])
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