# AC_CHECK_CPPB(LIBRARY, [PROLOGUE], [BODY], [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND], [OTHER-LIBRARIES])
#
# AC_LANG_PUSH([C++])
# AC_CHECK_CPP(gmock,
#   [#include ],
#   [testing::Cardinality dummy],
#   [HAVE_GMOCK=1],
#   [AC_MSG_WARN([libgmock is not installed.])
# AC_LANG_POP([C++])
#

AC_DEFUN([AC_CHECK_CPP], 
[

   m4_ifval([$4], , [AH_CHECK_LIB([$1])])

   AS_LITERAL_IF([$1],
   	[AS_VAR_PUSHDEF([ac_Lib], [ac_cv_lib_$1_$3])],
   	[AS_VAR_PUSHDEF([ac_Lib], [ac_cv_lib_$1''_$3])])

   AC_CACHE_CHECK([for $3 in -l$1], [ac_Lib], [
   	ac_check_lib_save_LIBS=$LIBS
   	LIBS="-l$1 $6 $LIBS"
   	AC_LINK_IFELSE([AC_LANG_PROGRAM([$2], [$3])],
   		[AS_VAR_SET([ac_Lib], [yes])],
   		[AS_VAR_SET([ac_Lib], [no])])
   	LIBS=$ac_check_lib_save_LIBS])
   	AS_IF([test AS_VAR_GET([ac_Lib]) = yes], [
   		m4_default([$4], [
           		AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_LIB$1))
   			LIBS="-l$1 $LIBS"
   		])
           ],
   [$5])
   AS_VAR_POPDEF([ac_Lib])

])