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# Copyright (C) 2001-2016 Quantum ESPRESSO Foundation
AC_DEFUN([X_AC_QE_BEEF], [
beef_libs_switch=
AC_MSG_CHECKING([BEEF])
beef_libs=$BEEF_LIBS
AC_ARG_WITH(libbeef,
[AS_HELP_STRING([--with-libbeef],
[(yes|no) link against library for BEEF xc support (default: yes)])],
[if test "$withval" = "no" ; then
with_beef=0
else
with_beef=1
fi],
[with_beef=1])
AC_ARG_WITH(libbeef-prefix,
[AS_HELP_STRING([--with-libbeef-prefix],
[path to directory containing libbeef.a (default: none)])],
[libbeef_prefix="$withval"
],
[libbeef_prefix=""])
if test "$with_beef" -ne 0
then
BEEF_LDFLAGS_SAVE="$LDFLAGS"
LDFLAGS="$beef_libs $LDFLAGS"
if ! test "$libbeef_prefix"x = "x"
then
beefprefix=1
LDFLAGS="$LDFLAGS -L$libbeef_prefix/lib -L$libbeef_prefix"
LIBS="$LIBS -lbeef"
AC_LINK_IFELSE([
SUBROUTINE ddot
END SUBROUTINE
SUBROUTINE dgemv
END SUBROUTINE
PROGRAM main
CALL beefx
END
], [usebeef=1], usebeef=0)
else
beefprefix=0
usebeef=1
fi
if test "$usebeef" -ne 0
then
if test "$beefprefix" -ne 0
then
beef_libs="$beef_libs -L$libbeef_prefix/lib -L$libbeef_prefix -lbeef"
beef_libs_switch="external"
else
beef_libs="\$(TOPDIR)/LIBBEEF/libbeef.a"
beef_libs_switch="internal"
fi
echo "-lbeef"
echo setting BEEF_LIBS... $beef_libs
AC_SUBST(beef_libs)
else
echo no
try_dflags="$try_dflags -D__NOBEEF"
fi
LDFLAGS="$BEEF_LDFLAGS_SAVE"
else
echo no
try_dflags="$try_dflags -D__NOBEEF"
fi
AC_SUBST(beef_libs_switch)
]
)
|
