# Copyright (C) 2005-2006, 2008-2015 Free Software Foundation, Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

## ------------------- ##
## Parser generation.  ##
## ------------------- ##

# Don't depend on $(BISON) otherwise we would rebuild these files
# in srcdir, including during distcheck, which is forbidden.
%D%/calc++-parser.stamp: $(BISON_IN)
SUFFIXES += .yy .stamp
.yy.stamp:
	$(AM_V_YACC)rm -f $@
	$(AM_V_at)touch $@.tmp
	$(AM_V_at)$(YACCCOMPILE) -o $*.cc $<
	$(AM_V_at)mv -f $@.tmp $@

$(calcxx_sources_generated): %D%/calc++-parser.stamp
	@test -f $@ || rm -f %D%/calc++-parser.stamp
	@test -f $@ || $(MAKE) $(AM_MAKEFLAGS) %D%/calc++-parser.stamp
CLEANFILES +=                                   \
  $(calcxx_sources_generated)                   \
  %D%/calc++-parser.output                      \
  %D%/calc++-parser.stamp                       \
  %D%/calc++-scanner.cc


## -------------------- ##
## Building & testing.  ##
## -------------------- ##

# Avoid using BUILT_SOURCES which is too global.
$(%C%_calc___OBJECTS): $(calcxx_sources_generated)

calcxx_sources_extracted =                      \
  %D%/calc++-driver.cc                          \
  %D%/calc++-driver.hh                          \
  %D%/calc++-scanner.ll                         \
  %D%/calc++.cc
calcxx_extracted =                              \
  $(calcxx_sources_extracted)                   \
  %D%/calc++-parser.yy
extracted += $(calcxx_extracted)
calcxx_sources_generated =                      \
  %D%/calc++-parser.cc                          \
  %D%/calc++-parser.hh                          \
  %D%/location.hh                               \
  %D%/position.hh                               \
  %D%/stack.hh
calcxx_sources =                                \
  $(calcxx_sources_extracted)                   \
  $(calcxx_sources_generated)

if FLEX_CXX_WORKS
check_PROGRAMS += %D%/calc++
nodist_%C%_calc___SOURCES =                     \
  $(calcxx_sources)

%C%_calc___CPPFLAGS = -I$(top_builddir)/%D%
%C%_calc___CXXFLAGS = $(AM_CXXFLAGS) $(FLEX_SCANNER_CXXFLAGS)
dist_TESTS += %D%/calc++.test
else
EXTRA_DIST += %D%/calc++.test
endif


## ------------ ##
## Installing.  ##
## ------------ ##

calcxxdir = $(docdir)/examples/calc++
calcxx_DATA = $(calcxx_extracted)