#!/usr/bin/make -f

include /usr/share/cdbs/1/rules/debhelper.mk

package = mingw-w32-gcc
target = i686-w64-mingw32
crt_xargs=--disable-lib64 --enable-lib32
prefix=/usr
sysroot=$(prefix)/$(target)
DESTDIR = $(shell /bin/pwd)/debian/$(package)
docdir = debian/$(package)/usr/share/doc/$(package)

DEB_INSTALL_DOCS_ALL := gcc/COPYING

DEB_SHLIBDEPS_INCLUDE := debian/$(package)/usr/bin/$(target)-gcc

DEB_DH_ALWAYS_EXCLUDE := .svn

# do not strip anything.
# call 'strip' on a mingw lib*.a file causes the ranlib information to
# be discarded rendering the libraries useless.
DEB_DH_STRIP_ARGS := -Xlib

INSTALL_PROGRAM = install

common-build-arch::
	rm -rf debian/$(package)
	mkdir -p debian/$(package)$(sysroot)/mingw
	cd debian/$(package)$(sysroot)/mingw && ln -s $(sysroot)/mingw/include include
	rm -rf gcc/build
	mkdir gcc/build
	cd gcc/build && ../configure --disable-multilib --target=$(target) --prefix=$(prefix) --with-sysroot=$(sysroot) --with-build-sysroot=$(DESTDIR)$(sysroot) --datadir=$(sysroot)/share --mandir=$(sysroot)/share/man --infodir=$(sysroot)/share/info
	cd gcc/build && make all-gcc
	cd gcc/build && make DESTDIR=$(DESTDIR) install-gcc
	rm -rf mingw-w64-crt/build
	mkdir mingw-w64-crt/build
	cd mingw-w64-crt/build && CC="$(DESTDIR)/usr/bin/$(target)-gcc -B/usr/$(target)/bin -B$(DESTDIR)/usr/libexec/gcc" CXX="$(DESTDIR)/usr/bin/$(target)-g++ -B/usr/$(target)/bin -B$(DESTDIR)/usr/libexec/gcc" ../configure --host=$(target) --prefix=$(prefix) --with-sysroot=$(sysroot) --datarootdir=$(sysroot)/share $(crt_xargs)
	cd mingw-w64-crt/build && make
	cd mingw-w64-crt/build && make DESTDIR=$(DESTDIR) install
	rm -f gcc/winsup
	cd gcc && ln -s $(DESTDIR)$(sysroot) winsup
	rm -f gcc/build/$(target)/winsup
	mkdir -p gcc/build/$(target)/winsup
	cd gcc/build/$(target)/winsup && ln -s $(DESTDIR)$(sysroot)/lib mingw
	cd gcc/build/gcc && for file in  $(DESTDIR)$(sysroot)/lib/*.o $(DESTDIR)$(sysroot)/lib/lib*.a; do test ! -e `basename $file` && ln -s $$file .; done
	cd gcc/build && make all
	touch common-build-arch

clean::
	rm -f compile common-install-arch common-build-arch
	rm -rf *~ debian/$(package) debian/*~ debian/files* debian/substvars debian/compat
	rm -rf gcc/build
	rm -rf mingw-w64-crt/build
	rm -f gcc/winsup

#
# info pages, locale data and man pages are in /usr/$(target)/share
# static helper libraries for host system (libiberty.a) are deleted
#

common-install-arch::
	cd gcc/build && make DESTDIR=$(DESTDIR) install
	mkdir -p debian/$(package)$(sysroot)/bin
	mv debian/$(package)$(sysroot)/lib32/libgcc_s_sjlj-1.dll debian/$(package)$(sysroot)/bin
	rm -f debian/$(package)$(sysroot)/mingw/include
	rm -rf debian/$(package)/usr/lib/lib*.a
	touch common-install-arch