#!/usr/bin/make -f

# Uncomment this to turn on verbose mode.
#export DH_VERBOSE=1

# This has to be exported to make some magic below work.
export DH_OPTIONS

# This is for the target selection
CPU := $(shell dpkg-architecture -qDEB_HOST_ARCH_CPU)
OS := $(shell dpkg-architecture -qDEB_HOST_ARCH_OS)

# This is to add missing hardening fortify functions export
CFLAGS += $(shell dpkg-buildflags --get CPPFLAGS)

CFLAGS += -DJOHN_SYSTEMWIDE 
# See src/params.h

ifeq ($(OS),kfreebsd)
	# enabling crypt(3) for kfreebsd, there is a patch adding fmt_c3.o
	CFLAGS += -DHAVE_CRYPT
	LDFLAGS +=  -lcrypt
	# as we will use $(OS)-x86-*, it must be named freebsd, not kfreebsd
	OS := freebsd
endif

# arm FTBFS with -funroll-loops. Please see #476460
ifneq ($(CPU),arm)
	CFLAGS += -funroll-loops
endif

# selecting compilation target
ifeq ($(OS),hurd)
	TARGET := generic
else ifeq ($(CPU),i386)
	# targeting an unoptimized binary first
	TARGET := $(OS)-x86-any
	# enabling i386 fallbacks
	CFLAGS += -DCPU_FALLBACK
else ifeq ($(CPU),amd64)
	TARGET := $(OS)-x86-64
else ifeq ($(CPU),powerpc)
	TARGET := linux-ppc32
else ifeq ($(CPU),ppc64)
	TARGET := linux-ppc64
else ifeq ($(CPU),alpha)
	TARGET := linux-alpha
else ifeq ($(CPU),sparc)
	TARGET := linux-sparc
else ifeq ($(CPU),ia64)
	TARGET := linux-ia64
else 
	TARGET := generic
endif

# please take a look at: 
# https://buildd.debian.org/status/logs.php?pkg=john&ver=1.7.7-1
ifeq ($(OS),freebsd)
	# seems like freebsd targets don't like too much escaping
	CFLAGS += -DJOHN_SYSTEMWIDE_EXEC=\"/usr/lib/john\"
	CFLAGS += -DCFG_FULL_NAME=\"/etc/john/john.conf\"
else ifeq ($(TARGET),generic)
        # and it is just the same for generic targets:
	# armel, hurd-i386, mips, mipsel, and s390 
	CFLAGS += -DJOHN_SYSTEMWIDE_EXEC=\"/usr/lib/john\"
	CFLAGS += -DCFG_FULL_NAME=\"/etc/john/john.conf\"
else
	# but, we need a lot of escaping for:
	# amd64, i386, ia64, powerpc, and sparc
	CFLAGS += -DJOHN_SYSTEMWIDE_EXEC=\\\"/usr/lib/john\\\"
	CFLAGS += -DCFG_FULL_NAME=\\\"/etc/john/john.conf\\\"
endif

# testing i386 for mmx instructions and sse2 extensions 
ifeq ($(CPU),i386)
	ifneq ($(OS),hurd)
		MMX := $(shell grep -c '^flags.* mmx' /proc/cpuinfo)
		ifneq ($(MMX),0)
       		 	HAVEMMX := 1
		endif
		SSE := $(shell grep -c '^flags.* sse2' /proc/cpuinfo)
		ifneq ($(SSE),0)
       		 	HAVESSE := 1
		endif
	endif
endif

%:
	dh $@ --sourcedirectory=src

override_dh_auto_build:
	# building the selected target
	dh_auto_build -- clean $(TARGET)
ifeq ($(HAVEMMX),1)
	# renaming the non-mmx binary
	mv run/john run/john-non-mmx
	# building i386-mmx optimized binary
	dh_auto_build -- clean $(OS)-x86-mmx
endif
ifeq ($(HAVESSE),1)
	# renaming the non-sse2 binary
	mv run/john run/john-non-sse
	# building i386-sse2 optimized binary
	dh_auto_build -- clean $(OS)-x86-sse2
endif

override_dh_auto_install:
	# install the selected target 
	dh_auto_install
	# install fallbacks as needed
ifeq ($(HAVEMMX),1)
	dh_install run/john-non-mmx /usr/lib/john
endif
ifeq ($(HAVESSE),1)
	dh_install run/john-non-sse /usr/lib/john
endif

override_dh_auto_clean:
	dh_auto_clean
	# script-not-executable
	chmod +x debian/extra/cronjob	

override_dh_auto_test: