#!/usr/bin/perl

# It is so hard getting the absolute path of the current script in bash
# so I converted CP back to perl. :)

use File::Basename ;
use Cwd ;
use Cwd 'abs_path';

$trick_bin = dirname(abs_path($0)) ;
$trick_home = dirname($trick_bin) ;

#### Handle arguments ####
$numArgs = $#ARGV + 1;
$makefileAddArgs = ' ';
foreach $argnum (0 .. $#ARGV) {
    $arg = $ARGV[$argnum];
    if ($arg =~ /(\w+)=(\w+)/ ) {
        $makefileAddArgs = $makefileAddArgs . $1 . "=" . $2 . " ";
    } elsif ($arg =~ /-d/ ) {
        $makefileAddArgs = $makefileAddArgs . " debug ";
    } elsif ($arg =~ /-t/ ) {
        $makefileAddArgs = $makefileAddArgs . " test ";
    } else {
        $ENV{TRICK_CPFLAGS} .= " $arg" ;
    }
}

if ( -f "S_define" ) {
    if ( not -w "." ) {
        print getcwd() , " is not writable\n" ;
        print "CP aborted\n" ;
        exit 1 ;
    }
    unlink "build/Makefile_sim", "makefile" ;
    $makefile_text = do { local $/; <main::DATA> } ;
    $makefile_text =~ s/SUB_TRICK_HOME/$trick_home/ ;
    $makefile_text =~ s/SUB_TRICK_BIN/$trick_bin/ ;
    open MAKEFILE, ">makefile" ;
    print MAKEFILE $makefile_text ;
    close MAKEFILE ;
    system("make -f makefile " . $makefileAddArgs) ;
    exit $? >> 8;
} else {
    print "S_define does not exist" ;
    exit 1 ;
}
__END__
# CP found at SUB_TRICK_BIN

# Disable built-in implicit rules to increase build speed.
.SUFFIXES:

ifndef TRICK_HOME
    export TRICK_HOME := SUB_TRICK_HOME
endif

ifneq ($(wildcard ${TRICK_HOME}/share/trick/makefiles/Makefile.common),)
include ${TRICK_HOME}/share/trick/makefiles/Makefile.common

ifndef TRICK_VERBOSE_BUILD
    PRINT_CP            = $(info $(call COLOR,Running)    configuration_processor)
    PRINT_ICG           = $(info $(call COLOR,Running)    ICG)
    PRINT_CONVERT_SWIG  = $(info $(call COLOR,Running)    convert_swig)
    PRINT_MAKEFILE_SRC  = $(info $(call COLOR,Writing)    Makefile_src)
    PRINT_MAKEFILE_SWIG = $(info $(call COLOR,Writing)    Makefile_swig)
endif

MAKE_OUT := build/MAKE_out

all:
	$(info Trick Build Process Complete)


test: TRICK_SYSTEM_CFLAGS += -DTRICK_UNIT_TEST
test: TRICK_SYSTEM_CXXFLAGS += -DTRICK_UNIT_TEST
test: all

debug: TRICK_CPFLAGS += --debug
debug: all

build:
	@mkdir -p $@

$(TRICK_STATIC_LIB):
	$(info Cannot find $@. Please build Trick for this platform.)
	@exit -1

# CP creates S_source.hh required for ICG and SWIG processing
S_source.hh: S_define | build
	$(PRINT_CP)
	$(ECHO_CMD)${TRICK_HOME}/$(LIBEXEC)/trick/configuration_processor $(TRICK_CPFLAGS) 2>&1 | $(TEE) -a $(MAKE_OUT) ; exit $${PIPESTATUS[0]}

build/Makefile_S_define: S_source.hh
	$(PRINT_S_DEF_DEPS)
	$(ECHO_CMD)$(TRICK_CPPC) $(TRICK_SFLAGS) $(TRICK_SYSTEM_SFLAGS) -MM -MT S_source.hh -MF build/Makefile_S_define -x c++ S_define 2>&1 | $(TEE) -a $(MAKE_OUT) ; exit $${PIPESTATUS[0]}

# Automatic and manual ICG rules
ICG:
	$(PRINT_ICG)
	$(ECHO_CMD)${TRICK_HOME}/bin/trick-ICG -m ${TRICK_ICGFLAGS} ${TRICK_CXXFLAGS} ${TRICK_SYSTEM_CXXFLAGS} S_source.hh


force_ICG:
	$(PRINT_ICG)
	$(ECHO_CMD)${TRICK_HOME}/bin/trick-ICG -f -m ${TRICK_ICGFLAGS} ${TRICK_CXXFLAGS} ${TRICK_SYSTEM_CXXFLAGS} S_source.hh

# Create makefile for IO code
build/Makefile_io_src: S_source.hh | build
	$(PRINT_ICG)
	$(ECHO_CMD)${TRICK_HOME}/bin/trick-ICG -m ${TRICK_ICGFLAGS} ${TRICK_CXXFLAGS} ${TRICK_SYSTEM_CXXFLAGS} $< 2>&1 | $(TEE) -a $(MAKE_OUT) ; exit $${PIPESTATUS[0]}

# Create makefile for source code
#build/Makefile_src: build/ICG_processed build/ICG_no_found build/S_define.lib_deps
build/Makefile_src: build/Makefile_src_deps build/Makefile_io_src S_source.hh
	$(PRINT_MAKEFILE_SRC)
	$(ECHO_CMD)${TRICK_HOME}/$(LIBEXEC)/trick/make_makefile_src $? 2>&1 | $(TEE) -a $(MAKE_OUT) ; exit $${PIPESTATUS[0]}

build/Makefile_src_deps: ;

# Create makefile for SWIG code
build/Makefile_swig: S_source.hh build/Makefile_swig_deps
	$(PRINT_MAKEFILE_SWIG)
	$(ECHO_CMD)${TRICK_HOME}/$(LIBEXEC)/trick/make_makefile_swig 2>&1 | $(TEE) -a $(MAKE_OUT) ; exit $${PIPESTATUS[0]}

build/Makefile_swig_deps: ;

# Forcibly (re)create all SWIG input (.i) files. This rule is never run by the normal
# build process.
.PHONY: convert_swig
convert_swig: build/S_library_swig
	$(ECHO_CMD)${TRICK_HOME}/$(LIBEXEC)/trick/convert_swig ${TRICK_CONVERT_SWIG_FLAGS} 2>&1 | $(TEE) -a $(MAKE_OUT) ; exit $${PIPESTATUS[0]}

# Force S_define_exp to be remade each time this rule runs
.PHONY: S_define_exp
S_define_exp:
	$(TRICK_CC) -E -C -xc++ ${TRICK_SFLAGS} $(TRICK_SYSTEM_SFLAGS) S_define > $@

# prints the value of a makefile variable, example invocation "make print-TRICK_CXXFLAGS"
# This rule is used by trick-config
print-%:
	@echo '$*=$($*)'

help:
	@echo -e "\
Simulation make options:\n\
    make [debug] [TRICK_VERBOSE_BUILD=1] - Makes everything: S_main and S_sie.resource\n\
    make sie                     - Builds the S_sie.resource file.\n\
    make clean                   - Removes all object files in simulation directory\n\
    make spotless                - Performs a clean\n\
    make apocalypse              - Performs a clean\n\
    make print-<variable>        - Prints a makefile or environment variable"

CLEAN_TARGETS = tidy clean spotless distclean apocalypse
ifeq ($(findstring ${MAKECMDGOALS},$(CLEAN_TARGETS)),)
-include build/Makefile_S_define
-include build/Makefile_src
-include build/Makefile_src_deps
-include build/Makefile_io_src
-include build/Makefile_swig
-include build/Makefile_swig_deps
-include build/Makefile_ICG
endif
-include build/Makefile_overrides
-include S_overrides.mk

ifndef MAKE_RESTARTS
REMOVE_MAKE_OUT := $(shell rm -f $(MAKE_OUT))
ifeq ($(MAKECMDGOALS),)
    $(info $(call COLOR,Building with the following compilation flags:))
    $(info TRICK_CFLAGS   = $(TRICK_CFLAGS))
    $(info TRICK_CXXFLAGS = $(TRICK_CXXFLAGS))
endif
endif

else
all:
	$(error error with TRICK_HOME, cannot find ${TRICK_HOME}/share/trick/makefiles/Makefile.common)
endif

tidy:
	-rm -f S_source.hh S_sie.resource
	-rm -f S_main* T_main*
	-rm -f build/Makefile_*
	-rm -f S_default.dat

clean: tidy
	-rm -f DP_Product/DP_rt_frame DP_Product/DP_rt_itimer
	-rm -f DP_Product/DP_rt_jobs DP_Product/DP_rt_timeline DP_Product/DP_mem_stats
	-rm -rf build trick
	-rm -f makefile

spotless: clean

distclean: clean

apocalypse: clean
	@echo "I love the smell of napalm in the morning"