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AC_DEFUN([ACX_WITH_PCM], [
acx_with_pcm=""
AC_ARG_WITH([pcm],
[AS_HELP_STRING([--with-pcm@<:@=Install DIR@:>@],
[Enables use of the polarizable contiuum model library PCM])],
[
case $withval in
yes)
acx_with_pcm="yes"
;;
no)
acx_with_pcm="no"
;;
*)
CPPFLAGS="-I$withval/include $CPPFLAGS"
LIBS="$LIBS -L$withval/lib"
acx_with_pcm="$withval"
esac
],
[acx_with_pcm="yes"]
)
if test $acx_with_pcm != "no"; then
AC_LANG_SAVE
AC_LANG([C++])
AC_CHECK_HEADERS([PCMSolver/pcmsolver.h PCMSolver/PCMInput.h], [],
[acx_with_pcm=no
AC_MSG_NOTICE([Unable to include with pcmsolver.h or PCMInput.h])])
AC_CHECK_LIB([pcm],[pcmsolver_is_compatible_library], [],
[acx_with_pcm=no
AC_MSG_NOTICE([Unable to link with pcm])])
AC_LANG_RESTORE
fi
if test $acx_with_pcm != "no"; then
AC_DEFINE([MADNESS_HAS_PCM], [1], [Define if using pcm])
fi
AM_CONDITIONAL([MADNESS_HAS_PCM], [test $acx_with_pcm != "no"])
])
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