#!/usr/bin/make -f
#
# Do we make rt.a into an ELF library?
# Do we make iconx link with xpm.so?

DEB_HOST_ARCH_OS := $(shell dpkg-architecture -qDEB_HOST_ARCH_OS 2>/dev/null)
DEB_HOST_ARCH ?= $(shell dpkg-architecture -qDEB_HOST_ARCH 2>/dev/null)

# The current code use type-punning and signed overflow
ifneq (,$(filter $(DEB_HOST_ARCH), sparc mips mipsel))
  CFLAGS_OPT = -O0
else
  CFLAGS_OPT = -O2 -fno-strict-aliasing -fno-strict-overflow
endif

ifneq (, $(filter $(DEB_HOST_ARCH_OS), linux kfreebsd knetbsd))
  system = linux
else
  ifeq ($(DEB_HOST_ARCH_OS),hurd)
    system = gnu
  else
    system = $(DEB_HOST_ARCH_OS)
  endif
endif

ifneq (,$(findstring noopt,$(DEB_BUILD_OPTIONS)))
  CFLAGS_OPT = -O0
endif

CFLAGS = -Wall -g $(CFLAGS_OPT)

# Avoid embedding build paths for reproducible builds
CFLAGS += -ffile-prefix-map=$(CURDIR)=.

configure:
	$(MAKE) X-Configure name=$(system)
	sed "s%CFLAGS = .*%CFLAGS = $(CFLAGS)%" Makedefs > Makedefs.tmp
	echo "ASFLAGS = -Wa,--noexecstack" >> Makedefs.tmp
	mv Makedefs.tmp Makedefs
	touch $@

build-icont: configure
	$(MAKE) Icont
	touch $@

build-ipl: configure
	$(MAKE) Ilib
	touch $@

clean:
	rm -f configure build-icont build-ipl
	rm -rf debian/iconx debian/icont debian/icon-ipl debian/files debian/*~
	rm -f bin/* debian/substvars
	$(MAKE) Pure

binary-icont: build-icont
	rm -rf debian/icont
# Create the directory hierarchy.
	install -d debian/icont/usr/bin
	install -d debian/icont/DEBIAN
	install -d debian/icont/usr/share/man/man1
	install -d debian/icont/usr/share/doc/icont
# Copy the executables and documentation...
	install -s -m 755 bin/icont debian/icont/usr/bin
	ln -s icont debian/icont/usr/bin/icon
	install -m 644 man/man1/icon.1 debian/icont/usr/share/man/man1/icon.1
	install -m 644 man/man1/icont.1 debian/icont/usr/share/man/man1/icont.1
	sed -e 's/icon-dir/icont/g' debian/copyright \
		> debian/icont/usr/share/doc/icont/copyright
	install -m 644 debian/changelog \
		debian/icont/usr/share/doc/icont/changelog.Debian
# Patch icont...
#	bin/patchstr debian/icont/usr/bin/icont /usr/bin/iconx
# Wrap icont to provide default for IPATH and LPATH
#	mv debian/icont/usr/bin/icont debian/icont/usr/bin/icont.real
#	install -o root -g root -m 755 debian/icont-wrapper debian/icont/usr/bin/icont
# Compress documentation...
	gzip -9n debian/icont/usr/share/doc/icont/changelog.Debian
	gzip -9rn debian/icont/usr/share/man
#	cd debian/icont/usr/share/man/man1 && ln -sf icont.1.gz icont.real.1.gz
# Fix permissions...
	chmod -R u=rwX,go=rX debian/icont
# Make the debian control area.
	dpkg-shlibdeps -pshlibs-icont debian/icont/usr/bin/*
	dpkg-gencontrol -picont -Pdebian/icont
# And finally, build the Debian package!
	dpkg-deb --root-owner-group --build debian/icont ..

binary-iconx: build-icont
	rm -rf debian/iconx
# Create the directory hierarchy.
	install -d debian/iconx/usr/bin
	install -d debian/iconx/DEBIAN
	install -d debian/iconx/usr/share/man/man1
	install -d debian/iconx/usr/share/doc/iconx
# Copy the executables and documentation...
	install -s -m 755 bin/iconx debian/iconx/usr/bin
	install -m 644 man/man1/icon.1 debian/iconx/usr/share/man/man1/iconx.1
	sed -e 's/icon-dir/iconx/g' debian/copyright \
		> debian/iconx/usr/share/doc/iconx/copyright
	install -m 644 debian/changelog \
		debian/iconx/usr/share/doc/iconx/changelog.Debian
# Compress documentation...
	gzip -9n debian/iconx/usr/share/doc/iconx/changelog.Debian
	gzip -9rn debian/iconx/usr/share/man
# Fix permissions...
	chmod -R u=rwX,go=rX debian/iconx
# Make the debian control area.
	dpkg-shlibdeps -pshlibs-iconx debian/iconx/usr/bin/*
	dpkg-gencontrol -piconx -Pdebian/iconx
# And finally, build the Debian package!
	dpkg-deb --root-owner-group --build debian/iconx ..

binary-ipl: build-ipl
	rm -rf debian/icon-ipl
# Create the directory hierarchy.
	install -d debian/icon-ipl/DEBIAN
	install -d debian/icon-ipl/usr/share/doc/icon-ipl
	install -d debian/icon-ipl/usr/lib/icon-ipl
# Copy Icon program library...
	cp -r lib/* ipl/procs/*.icn ipl/gprocs/*.icn debian/icon-ipl/usr/lib/icon-ipl
# Copy copyright information.
	sed -e 's/icon-dir/icon-ipl/g' debian/copyright \
		> debian/icon-ipl/usr/share/doc/icon-ipl/copyright
	install -m 644 debian/changelog \
		debian/icon-ipl/usr/share/doc/icon-ipl/changelog.Debian
# Compress documentation...
	gzip -9n debian/icon-ipl/usr/share/doc/icon-ipl/changelog.Debian
	find debian/icon-ipl/usr/share/doc/icon-ipl -type f -size +6k -print | \
		xargs --no-run-if-empty gzip -9n
# Fix permissions...
	chmod -R u=rwX,go=rX debian/icon-ipl
# Make the debian control area.
	dpkg-gencontrol -picon-ipl -Pdebian/icon-ipl
# And finally, build the Debian package!
	dpkg-deb --root-owner-group --build debian/icon-ipl ..

test: build-icont build-ipl
	@echo Tests for the Icon interpreter.
	@echo First some simple tests to be sure Icon works.
	$(MAKE) Samples-icont
	@echo More exhaustive tests of various features of Icon and larger programs.
	@echo  1. Basic tests. Should show only insignificant differences.
	$(MAKE) Test-icont

benchmark: build-icont
	$(MAKE) Benchmark-icont	

build-arch: build
build-indep: build
build-iconx: build-icont
build: build-icont build-ipl test

binary-arch: binary-icont binary-iconx

binary-indep: binary-ipl

binary: binary-indep binary-arch

.PHONY: binary binary-arch binary-indep clean build build-arch build-indep test benchmark