#!/usr/bin/make -f

BUILDDIR                := build
DH_AUTO_OPTIONS         := -v -Smakefile -B$(BUILDDIR) --parallel
package                 := $(shell dh_listpackages)
SUPPORTED_ARCHS_FILE    := debian/supported-archs

export DESTDIR          := $(CURDIR)/debian/$(package)
export UPX_UCLDIR       := /none
export UPX_LZMADIR      := /usr/include/lzma

include /usr/share/dpkg/architecture.mk

DEB_BUILD_MAINT_OPTIONS     := hardening=+all
DEB_CPPFLAGS_MAINT_APPEND   := -DWITH_UCL -D_FILE_OFFSET_BITS=64
ifeq ($(DEB_HOST_ARCH_ENDIAN),big)
  DEB_CPPFLAGS_MAINT_APPEND += -D__BIG_ENDIAN__=1
endif

DPKG_EXPORT_BUILDFLAGS  := 1
include /usr/share/dpkg/buildflags.mk

%:
	dh "$@"

override_dh_auto_configure:
	mkdir -p $(BUILDDIR)
	cd $(BUILDDIR) && cmake .. -DCMAKE_BUILD_TYPE=Release \
 	 	-DCMAKE_VERBOSE_MAKEFILE=ON \
		-DCMAKE_C_COMPILER="$(CC)" \
		-DCMAKE_CXX_COMPILER="$(CXX)" \
		-DCMAKE_C_FLAGS="$(CPPFLAGS) $(CFLAGS)" \
		-DCMAKE_CXX_FLAGS="$(CPPFLAGS) $(CXXFLAGS)" \
		-DCMAKE_SHARED_LINKER_FLAGS="$(LDFLAGS)" \
		-DCMAKE_MODULE_LINKER_FLAGS="$(LDFLAGS)" \
		-DCMAKE_EXE_LINKER_FLAGS="$(LDFLAGS)"

override_dh_auto_build:
	@echo "Starting build process ($(DEB_HOST_ARCH))"
	dh_auto_build $(DH_AUTO_OPTIONS) -- VERBOSE=yes
	cp -a doc $(BUILDDIR)
	ln -s ../src $(BUILDDIR)
	cd $(BUILDDIR)/doc && $(MAKE) && mv upx.1 $(package).1

override_dh_auto_clean:
	dh_auto_clean $(DH_AUTO_OPTIONS)
	rm -rf $(BUILDDIR)

override_dh_auto_test:
	dh_auto_test $(DH_AUTO_OPTIONS) -- ARGS=--verbose || \
	  { ! grep -q "^$(DEB_HOST_ARCH)\b" "$(SUPPORTED_ARCHS_FILE)" \
	    && echo "Ignoring the above error as upx might not support $(DEB_HOST_ARCH) binaries"; }

override_dh_auto_install:
	install -pm 0755 $(BUILDDIR)/upx $(DESTDIR)/usr/bin/$(package)

override_dh_installchangelogs:
	dh_installchangelogs NEWS

override_dh_installman:
	dh_installman $(BUILDDIR)/doc/*.1