# -*- makefile -*-
# rules.conf
#	- used to build debian/control and debian/rules.parameters
#	- assumes unpacked sources

include debian/rules.defs
include debian/rules.sonames

# manual ...
ifeq ($(DEB_TARGET_GNU_CPU), $(findstring $(DEB_TARGET_GNU_CPU),hppa m68k))
  ifeq ($(DEB_TARGET_ARCH),m68k)
    GCC_SONAME := 2
  endif
  ifeq ($(DEB_TARGET_ARCH),hppa)
    GCC_SONAME := 4
  endif
else
  GCC_SONAME := 1
endif
DEB_LIBGCC_SOVERSION := $(DEB_SOEVERSION)
DEB_LIBGCC_VERSION := $(DEB_EVERSION)

_soname_map = gcc=$(GCC_SONAME) stdc++=$(CXX_SONAME) gomp=$(GOMP_SONAME) \
	ssp=$(SSP_SONAME) gfortran=$(FORTRAN_SONAME) \
	itm=$(ITM_SONAME) objc=$(OBJC_SONAME) quadmath=$(QUADMATH_SONAME) \
	go=$(GO_SONAME) backtrace=$(BTRACE_SONAME) \
	atomic=$(ATOMIC_SONAME) asan=$(ASAN_SONAME) lsan=$(LSAN_SONAME) \
	tsan=$(TSAN_SONAME) ubsan=$(UBSAN_SONAME) \
	vtv=$(VTV_SONAME) cilkrts=$(CILKRTS_SONAME) mpx=$(MPX_SONAME) \
	gphobos=$(GPHOBOS_SONAME)
_soname = $(patsubst $(1)=%,%,$(filter $(1)=%,$(_soname_map)))

rel_on_dev := $(if $(cross_lib_arch),>=,=)
# $(call _lib_name,<name>,<biarch>,<ext>)
_lib_name = $(subst $(SPACE),, \
  lib$(2)$(1) \
  $(if $(filter dev,$(3)),,$(call _soname,$(1))) \
  $(if $(or $(filter $(3),dev),$(and $(filter $(3),dbg),$(filter $(1),stdc++))),-$(BASE_VERSION)) \
  $(if $(3),-$(3))$(LS)$(AQ))
# $(call _lib_vers,<ext>,<vers>) 
_lib_vers = ($(if $(filter $(1),dev),$(rel_on_dev),>=) $(2))

# Helper to generate biarch/triarch dependencies.
# For example, $(eval $(call gen_multilib_deps,gomp)) will create the
# libgompbiarch variable, and make it contains the libgompbiarch{32,64,n32}
# variables if biarch{32,64,n32} is set to yes.

define gen_multilib_deps
  lib$1biarch64$2  := $(call _lib_name,$(1),64,$(2)) $(call _lib_vers,$(2),$(3))
  lib$1biarch32$2  := $(call _lib_name,$(1),32,$(2)) $(call _lib_vers,$(2),$(3))
  lib$1biarchn32$2 := $(call _lib_name,$(1),n32,$(2)) $(call _lib_vers,$(2),$(3))
  lib$1biarchx32$2 := $(call _lib_name,$(1),x32,$(2)) $(call _lib_vers,$(2),$(3))
  lib$1biarchhf$2  := $(call _lib_name,$(1),hf,$(2)) $(call _lib_vers,$(2),$(3))
  lib$1biarchsf$2  := $(call _lib_name,$(1),sf,$(2)) $(call _lib_vers,$(2),$(3))
  ifeq ($$(biarch64),yes)
    lib$1biarch$2 := $$(lib$1biarch64$2)
  endif
  ifeq ($$(biarch32),yes)
    ifeq ($$(biarch64),yes)
      lib$1biarch$2 := $$(lib$1biarch64$2), $$(lib$1biarch32$2)
    else
      lib$1biarch$2 := $$(lib$1biarch32$2)
    endif
  endif
  ifeq ($$(biarchx32),yes)
    ifeq ($1,mpx)
      ifeq ($$(biarch64),yes)
        lib$1biarch$2 := $$(lib$1biarch64$2)
      else ifeq ($$(biarch32),yes)
        lib$1biarch$2 := $$(lib$1biarch32$2)
      else
        lib$1biarch$2 :=
      endif
    else ifeq ($$(biarch64),yes)
      lib$1biarch$2 := $$(lib$1biarch64$2), $$(lib$1biarchx32$2)
    else ifeq ($$(biarch32),yes)
      lib$1biarch$2 := $$(lib$1biarch32$2), $$(lib$1biarchx32$2)
    else
      lib$1biarch$2 := $$(lib$1biarchx32$2)
    endif
  endif
  ifeq ($$(biarchn32),yes)
    ifeq ($$(biarch64),yes)
      lib$1biarch$2 := $$(lib$1biarch64$2), $$(lib$1biarchn32$2)
    else ifeq ($$(biarch32),yes)
      lib$1biarch$2 := $$(lib$1biarch32$2), $$(lib$1biarchn32$2)
    else
      lib$1biarch$2 := $$(lib$1biarchn32$2)
    endif
  endif
  ifeq ($$(biarchhf),yes)
    lib$1biarch$2 := $$(lib$1biarchhf$2) | $(call _lib_name,$(1),hf,$(2))
  endif
  ifeq ($$(biarchsf),yes)
    lib$1biarch$2 := $$(lib$1biarchsf$2) | $(call _lib_name,$(1),sf,$(2))
  endif
endef
ifeq ($(with_shared_libgcc),yes)
  LIBGCC_DEP := libgcc$(GCC_SONAME)$(LS)$(AQ) (>= $(DEB_LIBGCC_VERSION))
  $(eval $(call gen_multilib_deps,gcc,,$(DEB_LIBGCC_VERSION)))
endif
LIBGCC_DEV_DEP := libgcc-$(BASE_VERSION)-dev$(LS)$(AQ) ($(rel_on_dev) $(DEB_VERSION))
$(foreach x,stdc++ gomp ssp gfortran itm objc atomic asan lsan mpx ubsan quadmath go vtv cilkrts, \
	$(eval $(call gen_multilib_deps,$(x),,$$$${gcc:Version})))
$(foreach x,gcc stdc++ gfortran objc go gphobos, \
	$(eval $(call gen_multilib_deps,$(x),dev,$$$${gcc:Version})))
$(foreach x,gcc stdc++ gfortran objc go gphobos, \
	$(eval $(call gen_multilib_deps,$(x),dbg,$$$${gcc:Version})))

# Helper to generate _no_archs variables.
# For example, $(eval $(call gen_no_archs,java)) will create the java_no_archs
# variable, using the java_no_cpu and java_no_systems variables.
define gen_no_archs
  $1_no_archs :=
  ifneq (,$$($1_no_cpus))
    $1_no_archs += $$(foreach cpu,$$(filter-out i386 amd64 alpha arm,$$($1_no_cpus)),!$$(cpu))
    ifneq (,$$(filter i386,$$($1_no_cpus)))
      $1_no_archs += !i386 !hurd-i386 !kfreebsd-i386
    endif
    ifneq (,$$(filter amd64,$$($1_no_cpus)))
      $1_no_archs += !amd64 !kfreebsd-amd64
    endif
    ifneq (,$$(filter alpha,$$($1_no_cpus)))
      $1_no_archs += !alpha !hurd-alpha
    endif
    ifneq (,$$(filter arm,$$($1_no_cpus)))
      $1_no_archs += !arm !armel !armhf
    endif
    ifneq (,$$(strip $3))
      $1_no_systems_tmp := $$(subst $$(SPACE)gnu$$(SPACE),$$(SPACE)hurd-gnu$$(SPACE),$$(SPACE)$3$$(SPACE))
      $1_no_archs += $$(foreach cpu,$$($1_no_cpus),$$(foreach system,$$($1_no_systems_tmp),!$$(subst gnu,$$(cpu),$$(system))))
    endif
  endif
  ifneq (,$$($1_no_systems))
    $1_no_systems_tmp := $$(subst $$(SPACE)gnu$$(SPACE),$$(SPACE)hurd-gnu$$(SPACE),$$(SPACE)$$($1_no_systems)$$(SPACE))
    $1_no_archs += $$(foreach system,$$($1_no_systems_tmp),$$(foreach cpu,$2,!$$(subst gnu,$$(cpu),$$(system))))
  endif
  $1_no_archs := $$(strip $$($1_no_archs))
endef
base_deb_cpus := amd64 i386 alpha
base_deb_systems :=
$(foreach x,ada java java_plugin fortran libgphobos libgc check locale,$(eval $(call gen_no_archs,$(x),$(base_deb_cpus),$(base_deb_systems))))
linux_no_archs := !hurd-any !kfreebsd-any !illumos-any

GCC_VERSION := $(strip $(shell cat $(firstword $(wildcard $(srcdir)/gcc/FULL-VER $(srcdir)/gcc/BASE-VER))))
NEXT_GCC_VERSION := $(shell echo $(GCC_VERSION) | \
	awk -F. '{OFS="."; $$2 += 1; $$3=0; print}')
GCC_MAJOR_VERSION := $(shell echo $(GCC_VERSION)   | sed -r 's/([0-9])\.[0-9]\.[0-9]/\1/')
GCC_MINOR_VERSION := $(shell echo $(GCC_VERSION)   | sed -r 's/[0-9]\.([0-9])\.[0-9]/\1/')
GCC_RELEASE_VERSION := $(shell echo $(GCC_VERSION) | sed -r 's/[0-9]\.[0-9]\.([0-9])/\1/')
NEXT_GCC_MAJOR_VERSION := $(shell expr $(echo $(GCC_MAJOR_VERSION)) + 1)
NEXT_GCC_MINOR_VERSION := $(shell expr $(echo $(GCC_MINOR_VERSION)) + 1)
NEXT_GCC_RELEASE_VERSION := $(shell expr $(echo $(GCC_MAJOR_VERSION)) + 1)

ifeq ($(single_package),yes)
  BASE_VERSION := $(shell echo $(GCC_VERSION) | sed -e 's/\([1-9]*\).*/\1/')
endif

GCC_SOURCE_VERSION := $(shell echo $(DEB_VERSION) | sed 's/-.*//')
NEXT_GCC_SOURCE_VERSION := $(shell echo $(GCC_SOURCE_VERSION) | \
	awk -F. '{OFS="."; $$2 += 1; $$3=0; print}')

MAINTAINER = Debian GCC Maintainers <debian-gcc@lists.debian.org>
ifeq ($(distribution),Ubuntu)
  ifneq (,$(findstring $(PKGSOURCE),gnat gdc))
    MAINTAINER = Ubuntu MOTU Developers <ubuntu-motu@lists.ubuntu.com>
  else
    MAINTAINER = Ubuntu Core developers <ubuntu-devel-discuss@lists.ubuntu.com>
  endif
endif

UPLOADERS = Matthias Klose <doko@debian.org>
ifneq (,$(findstring $(PKGSOURCE),gnat))
  UPLOADERS = Ludovic Brenta <lbrenta@debian.org>
endif
ifneq (,$(findstring $(PKGSOURCE),gdc))
  UPLOADERS = Iain Buclaw <ibuclaw@ubuntu.com>, Matthias Klose <doko@debian.org>
endif

DPKGV = 1.14.15
ifeq ($(with_multiarch_lib),yes)
  DPKGV = 1.16.0~ubuntu4
endif
ifeq ($(multiarch_stage1),yes)
  DPKGV = 1.16.0~ubuntu4
endif
ifeq (,$(filter $(distrelease),lenny etch squeeze wheezy dapper hardy jaunty karmic lucid maverick natty oneiric precise quantal raring saucy trusty utopic))
  DPKGV = 1.17.14
endif
DPKG_BUILD_DEP = dpkg-dev (>= $(DPKGV)),

ifeq ($(DEB_HOST_ARCH),$(DEB_TARGET_ARCH))
  TARGET_QUAL = :$(DEB_TARGET_ARCH)
endif

# The binutils version needed.
# The oldest suitable versions for the various platforms can be found in
# INSTALL/specific.html ; we take a tighter dependency if possible to be on
# the safe side (something like newest( version in stable, versions for the
# various platforms in INSTALL/specific.html) ).
# We need binutils (>= 2.19.1) for a new dwarf unwind expression opcode.
# See http://gcc.gnu.org/ml/gcc-patches/2008-09/msg01713.html
ifeq ($(trunk_build),yes)
  BINUTILSBDV = 2.23
else
  BINUTILSBDV = 2.22
  ifneq (,$(filter $(distrelease),vivid))
    BINUTILSBDV = 2.25-3~
  else ifneq (,$(filter $(distrelease),jessie))
    BINUTILSBDV = 2.25-7~
  else ifneq (,$(filter $(distrelease),xenial))
    BINUTILSBDV = 2.26.1
  else ifneq (,$(filter $(distrelease),sid stretch zesty))
    BINUTILSBDV = 2.28-3
  endif
endif
ifeq ($(DEB_CROSS),yes)
  BINUTILS_BUILD_DEP = binutils$(TS)$(NT) (>= $(BINUTILSBDV)), binutils-multiarch$(NT) (>= $(BINUTILSBDV))
  BINUTILSV := $(shell dpkg -l binutils$(TS) \
			| awk '/^ii/{print $$3;exit}' | sed 's/-.*//')
else
  BINUTILS_BUILD_DEP = binutils$(NT) (>= $(BINUTILSBDV)) | binutils-multiarch$(NT) (>= $(BINUTILSBDV))
  ifneq (,$(findstring cross-build-,$(build_type)))
    BINUTILSV := $(shell dpkg -l binutils$(TS) \
			| awk '/^ii/{print $$3;exit}' | sed 's/-.*//')
  else
    BINUTILSV := $(shell dpkg -l binutils binutils-multiarch \
			| awk '/^ii/{print $$3;exit}' | sed 's/-.*//')
  endif
endif
ifneq (,$(filter $(build_type), build-native cross-build-native))
  ifeq (,$(filter gccgo% gcj% gnat%, $(PKGSOURCE)))
    ifeq ($(hppa64_archs),hppa)
      BINUTILS_BUILD_DEP += , binutils-hppa64$(NT) (>= $(BINUTILSBDV)) [$(hppa64_archs)]
    else
      BINUTILS_BUILD_DEP += , binutils-hppa64-linux-gnu$(NT) (>= $(BINUTILSBDV)) [$(hppa64_archs)]
    endif
  endif
endif
ifeq (,$(BINUTILSV))
  BINUTILSV := $(BINUTILSBDV)
endif

# FIXME; stripping doesn't work with gold
#BINUTILS_BUILD_DEP += , binutils-gold (>= $(BINUTILSV)) [$(gold_archs)]

# libc-dev dependencies
libc_ver := 2.11
libc_dev_ver := $(libc_ver)
ifeq ($(with_multiarch_lib),yes)
  ifeq ($(derivative),Debian)
    libc_dev_ver := 2.13-5
  else
    libc_dev_ver := 2.13-0ubuntu6
  endif
  ifeq ($(DEB_TARGET_ARCH_OS),illumos)
    LIBC_DEP = libc1
    libc_ver     := 4.3+17
    libc_dev_ver := 4.3+17
    libc_dev     := 4.3+17
  endif
endif
# first set LIBC_DEP/LIBC_DEV_DEP for native builds only
ifeq ($(DEB_TARGET_ARCH_OS),linux)
  ifneq (,$(findstring $(DEB_TARGET_ARCH),alpha ia64))
    LIBC_DEP = libc6.1
  else
    LIBC_DEP = libc6
  endif
  ifneq (,$(findstring musl-linux-,$(DEB_TARGET_ARCH)))
    LIBC_DEP = musl
    libc_ver = 0.9
    libc_dev_ver = 0.9
  endif
else
  ifeq ($(DEB_TARGET_ARCH_OS),hurd)
    LIBC_DEP = libc0.3
  endif
  ifeq ($(DEB_TARGET_ARCH_OS),kfreebsd)
    LIBC_DEP = libc0.1
  endif
  ifeq ($(DEB_TARGET_ARCH),uclibc)
       LIBC_DEP = libuclibc
  endif
endif
LIBC_DEV_DEP := $(LIBC_DEP)-dev

# this is about Debian archs name, *NOT* GNU target triplet
biarch_deb_map := \
	i386=amd64 amd64=i386 \
	mips=mips64 mipsel=mips64 \
	powerpc=ppc64 ppc64=powerpc \
	sparc=sparc64 sparc64=sparc\
	s390=s390x s390x=s390 \
	kfreebsd-amd64=i386 \
	illumos-amd64=illumos-i386 \
	armel=armhf \
	armhf=armel
biarch_deb_arch := $(patsubst $(DEB_TARGET_ARCH)=%,%, \
	$(filter $(DEB_TARGET_ARCH)=%,$(biarch_deb_map)))

LIBC_BIARCH_DEP :=
LIBC_BIARCH_DEV_DEP :=
ifneq (,$(findstring yes,$(biarch64) $(biarch32) $(biarchn32) $(biarchx32)$(biarchhf)$(biarchsf)))
  LIBC_BIARCH_DEP := $${shlibs:Depends}
  LIBC_BIARCH_DEV_DEP := $(LIBC_DEV_DEP)-$(biarch_deb_arch)$(LS)$(AQ) (>= $(libc_ver))
  # amd64, x32, i386
  ifneq (,$(findstring $(DEB_TARGET_ARCH),amd64 x32 i386))
  ifeq ($(biarch64)$(biarch32),yesyes)
    LIBC_BIARCH_DEV_DEP := $(LIBC_DEV_DEP)-amd64$(LS)$(AQ) (>= $(libc_ver)), $(LIBC_DEV_DEP)-i386$(LS)$(AQ) (>= $(libc_ver))
  endif
  ifeq ($(biarch64)$(biarchx32),yesyes)
    LIBC_BIARCH_DEV_DEP := $(LIBC_DEV_DEP)-amd64$(LS)$(AQ) (>= $(libc_ver)), $(LIBC_DEV_DEP)-x32$(LS)$(AQ) (>= $(libc_ver))
  endif
  ifeq ($(biarch32)$(biarchx32),yesyes)
    LIBC_BIARCH_DEV_DEP := $(LIBC_DEV_DEP)-i386$(LS)$(AQ) (>= $(libc_ver)), $(LIBC_DEV_DEP)-x32$(LS)$(AQ) (>= $(libc_ver))
  endif
  endif
  # mips*
  ifneq (,$(findstring $(DEB_TARGET_ARCH),mips mipsel mipsn32 mipsn32el mips64 mips64el))
  ifeq ($(biarchn32)$(biarch32),yesyes)
      LIBC_BIARCH_DEV_DEP := libc6-dev-mips32$(LS)$(AQ) (>= $(libc_ver)), libc6-dev-mipsn32$(LS)$(AQ) (>= $(libc_ver))
  endif
  ifeq ($(biarch64)$(biarch32),yesyes)
      triarch := $(COMMA)$(SPACE)
      LIBC_BIARCH_DEV_DEP := libc6-dev-mips32$(LS)$(AQ) (>= $(libc_ver)), libc6-dev-mips64$(LS)$(AQ) (>= $(libc_ver))
  endif
  ifeq ($(biarchn32)$(biarch64),yesyes)
      triarch := $(COMMA)$(SPACE)
      LIBC_BIARCH_DEV_DEP := libc6-dev-mips64$(LS)$(AQ) (>= $(libc_ver)), libc6-dev-mipsn32$(LS)$(AQ) (>= $(libc_ver))
  endif
  endif

  ifeq ($(biarchhf),yes)
    LIBC_BIARCH_DEP := $(LIBC_DEP)-$(biarch_deb_arch)$(LS)$(AQ) (>= $(libc_ver))
    LIBC_BIARCH_DEP += | $(LIBC_DEP)-$(biarch_deb_arch)$(LS)$(AQ)
    LIBC_BIARCH_DEV_DEP += | $(LIBC_DEV_DEP)-$(biarch_deb_arch)$(LS)$(AQ)
  endif
  ifeq ($(biarchsf),yes)
    LIBC_BIARCH_DEP := $(LIBC_DEP)-$(biarch_deb_arch)$(LS)$(AQ) (>= $(libc_ver))
    LIBC_BIARCH_DEP += | $(LIBC_DEP)-$(biarch_deb_arch)$(LS)$(AQ)
    LIBC_BIARCH_DEV_DEP += | $(LIBC_DEV_DEP)-$(biarch_deb_arch)$(LS)$(AQ)
  endif
endif

# now add the cross suffix and required version
LIBC_DEP := $(LIBC_DEP)$(LS)$(AQ)
LIBC_DEV_DEP := $(LIBC_DEV_DEP)$(LS)$(AQ) (>= $(libc_dev_ver))

ifneq (,$(filter $(build_type), build-native cross-build-native))
  LIBC_DBG_DEP = libc6.1-dbg [alpha ia64] | libc0.3-dbg [hurd-i386] | libc0.1-dbg [kfreebsd-i386 kfreebsd-amd64] | libc6-dbg [!illumos-any],
endif

# TODO: make this automatic, there must be a better way to define LIBC_DEP.
ifneq ($(DEB_CROSS),yes)
  LIBC_BUILD_DEP = libc6.1-dev (>= $(libc_dev_ver)) [alpha ia64] | libc0.3-dev (>= $(libc_dev_ver)) [hurd-i386] | libc0.1-dev (>= $(libc_dev_ver)) [kfreebsd-i386 kfreebsd-amd64] | libc6-dev (>= $(libc_dev_ver))
  LIBC_BUILD_DEP += | libc1-dev (>= $(libc_dev_ver)) [illumos-amd64]
  ifeq (,$(filter $(distrelease),lenny etch squeeze dapper hardy jaunty karmic lucid maverick natty oneiric))
    LIBC_BUILD_DEP += , libc6-dev (>= 2.13-31) [armel armhf]
  endif
  LIBC_BIARCH_BUILD_DEP = libc6-dev-amd64 [i386 x32], libc6-dev-sparc64 [sparc], libc6-dev-sparc [sparc64], libc6-dev-s390 [s390x], libc6-dev-s390x [s390], libc6-dev-i386 [amd64 x32], libc6-dev-powerpc [ppc64], libc6-dev-ppc64 [powerpc], libc0.1-dev-i386 [kfreebsd-amd64], lib32gcc1 [amd64 ppc64 kfreebsd-amd64 mipsn32 mipsn32el mips64 mips64el s390x sparc64 x32], libn32gcc1 [mips mipsel mips64 mips64el], lib64gcc1 [i386 mips mipsel mipsn32 mipsn32el powerpc sparc s390 x32], libc6-dev-mips64 [mips mipsel mipsn32 mipsn32el], libc6-dev-mipsn32 [mips mipsel mips64 mips64el], libc6-dev-mips32 [mipsn32 mipsn32el mips64 mips64el],
  LIBC_BIARCH_BUILD_DEP += libc1-dev-illumos-i386 (>= $(libc_dev_ver)) [illumos-amd64],
  ifneq (,$(findstring amd64,$(biarchx32archs)))
  LIBC_BIARCH_BUILD_DEP += libc6-dev-x32 [amd64 i386], libx32gcc1 [amd64 i386],
endif
ifneq (,$(findstring armel,$(biarchhfarchs)))
  LIBC_BIARCH_BUILD_DEP += libc6-dev-armhf [armel], libhfgcc1 [armel],
endif
ifneq (,$(findstring armhf,$(biarchsfarchs)))
  LIBC_BIARCH_BUILD_DEP += libc6-dev-armel [armhf], libsfgcc1 [armhf],
endif
else
  LIBC_BUILD_DEP = $(LIBC_DEV_DEP),
  ifneq ($(LIBC_BIARCH_DEV_DEP),)
    LIBC_BIARCH_BUILD_DEP = $(LIBC_BIARCH_DEV_DEP),
  else
    LIBC_BIARCH_BUILD_DEP =
  endif
endif

# needed for the include/asm symlink to run the testsuite for
# non default multilibs
ifneq (,$(multilib_archs))
  GCC_MULTILIB_BUILD_DEP = g++-multilib [$(multilib_archs)]$(pf_ncross),
endif
GCC_MULTILIB_BUILD_DEP += g++-6 [arm64]$(pf_ncross),

LIBUNWIND_DEV_DEP := libunwind7-dev$(LS)$(AQ) (>= 0.98.5-6)
LIBUNWIND_BUILD_DEP := $(LIBUNWIND_DEV_DEP) [ia64],
LIBATOMIC_OPS_BUILD_DEP := libatomic-ops-dev$(LS) [ia64],
ifneq ($(DEB_TARGET_ARCH),ia64)
  LIBUNWIND_DEV_DEP := # nothing
endif

ifneq (,$(filter $(distrelease),lenny etch squeeze dapper hardy jaunty karmic lucid maverick natty))
  GMP_BUILD_DEP = libgmp3-dev | libgmp-dev (>= 2:5.0.1~),
  MPFR_BUILD_DEP = libmpfr-dev,
else
  GMP_BUILD_DEP = libgmp-dev (>= 2:5.0.1~),
  MPFR_BUILD_DEP = libmpfr-dev (>= 3.0.0-9~),
endif

ISL_BUILD_DEP = libisl-dev,
ifneq (,$(filter $(distrelease),jessie stretch sid experimental))
  ISL_BUILD_DEP = libisl-dev (>= 0.14),
endif

ifneq (,$(filter $(distrelease),lenny etch squeeze wheezy dapper hardy jaunty karmic lucid maverick natty oneiric precise quantal raring))
  MPC_BUILD_DEP = libmpc-dev,
else
  MPC_BUILD_DEP = libmpc-dev (>= 1.0),
endif

SOURCE_BUILD_DEP :=
ifeq (,$(findstring gcc,$(PKGSOURCE)))
  SOURCE_BUILD_DEP := gcc-$(BASE_VERSION)-source (>= $(GCC_SOURCE_VERSION)), gcc-$(BASE_VERSION)-source (<< $(NEXT_GCC_SOURCE_VERSION)),
endif

CHECK_BUILD_DEP := dejagnu [$(check_no_archs)],

AUTO_BUILD_DEP := m4, libtool,
AUTO_BUILD_DEP += autoconf2.64,

ifeq (,$(filter $(distrelease),lenny etch squeeze wheezy dapper hardy jaunty karmic lucid maverick natty oneiric precise quantal raring saucy trusty))
  SDT_BUILD_DEP = systemtap-sdt-dev [linux-any kfreebsd-any hurd-any],
endif

# ensure that the common libs, built from the next GCC version are available
ifeq ($(PKGSOURCE),gcc-$(BASE_VERSION))
  ifneq ($(with_common_libs),yes)
    BASE_BUILD_DEP = gcc-6-base,
  endif
endif

PHOBOS_BUILD_DEP = lib32z1-dev [amd64 kfreebsd-amd64 illumos-amd64], lib64z1-dev [i386],
ifeq ($(derivative),Ubuntu)
  PHOBOS_BUILD_DEP += libx32z1-dev [amd64 kfreebsd-amd64 i386],
endif

ifneq ($(DEB_CROSS),yes)
# all archs for which to create b-d's
any_archs = alpha amd64 armel armhf arm64 i386 mips mipsel mips64 mips64el powerpc ppc64 ppc64el m68k sh4 sparc64 s390x x32
arch_gnutype_map = \
	alpha=alpha-linux-gnu \
	amd64=x86-64-linux-gnu \
	armel=arm-linux-gnueabi \
	armhf=arm-linux-gnueabihf \
	arm64=aarch64-linux-gnu \
	i386=i686-linux-gnu \
	mips=mips-linux-gnu \
	mipsel=mipsel-linux-gnu \
	mips64=mips64-linux-gnuabi64 \
	mips64el=mips64el-linux-gnuabi64 \
	powerpc=powerpc-linux-gnu \
	ppc64=powerpc64-linux-gnu \
	ppc64el=powerpc64le-linux-gnu \
	m68k=m68k-linux-gnu \
	sh4=sh4-linux-gnu \
	sparc64=sparc64-linux-gnu \
	s390x=s390x-linux-gnu \
	x32=x86-64-linux-gnux32

_element = $(filter $1=%,$(arch_gnutype_map))
_gnu_type = $(subst $1=,,$(filter $1=%,$(arch_gnutype_map)))

ifneq (,$(filter $(distrelease),lenny etch squeeze wheezy wheezy dapper hardy jaunty karmic lucid maverick natty oneiric precise quantal raring saucy trusty utopic vivid))
  DEBHELPER_BUILD_DEP = debhelper (>= 9),
  TARGET_TOOL_BUILD_DEP = bash, # non-empty line
  pf_cross =
  pf_ncross =
else
  DEBHELPER_BUILD_DEP = debhelper (>= 9.20141010),
  TARGET_TOOL_BUILD_DEP = \
	$(foreach a, $(any_archs), \
	  g++-$(BASE_VERSION)-$(call _gnu_type,$(a)) [$(a)] <cross>, \
	  $(if $(filter $(a), avr),, \
	    gobjc-$(BASE_VERSION)-$(call _gnu_type,$(a)) [$(a)] <cross>,) \
	  gfortran-$(BASE_VERSION)-$(call _gnu_type,$(a)) [$(a)] <cross>, \
	  $(if $(filter $(a), avr),, \
	    gcj-$(BASE_VERSION)-$(call _gnu_type,$(a)) [$(a)] <cross>,) \
	  $(if $(filter $(a), s390 sh4),, \
	    gdc-$(BASE_VERSION)-$(call _gnu_type,$(a)) [$(a)] <cross>,) \
	  $(if $(filter $(a), hppa m68k sh4),, \
	    gccgo-$(BASE_VERSION)-$(call _gnu_type,$(a)) [$(a)] <cross>,) \
	  $(if $(filter $(a), m68k mips64 powerpcspe sh4 sparc64 x32),, \
	    gnat-$(BASE_VERSION)-$(call _gnu_type,$(a)) [$(a)] <cross>,) \
	)
  pf_cross = $(SPACE)<cross>
  pf_ncross = $(SPACE)<!cross>
  NT = :native
endif

JAVA_BUILD_DEP := zlib1g-dev, libantlr-java, python$(NT), libffi-dev,

ifeq ($(PKGSOURCE),gcj-$(BASE_VERSION))
  bd_java_archs =
else ifeq ($(single_package)-$(with_java),yes-yes)
  bd_java_archs =
else
  bd_java_archs = $(if $(java_no_archs),$(EMPTY) [$(java_no_archs)])
endif

ifneq (,$(java_awt_peers))
  JAVA_BUILD_DEP += fastjar$(bd_java_archs), libmagic-dev$(bd_java_archs),
  JAVA_BUILD_DEP += libecj-java (>= 3.3.0-2)$(bd_java_archs), zip$(bd_java_archs),
  ifeq ($(with_java_maintainer_mode),yes)
    # gcj-6 needed for gjavah-6.
    JAVA_BUILD_DEP += gcj-6$(bd_java_archs), ecj (>= 3.3.0-2)$(bd_java_archs),
  endif
  JAVA_BUILD_DEP += libasound2-dev [$(java_no_archs) $(linux_no_archs)],
  ifneq (,$(findstring gtk,$(java_awt_peers)))
    JAVA_BUILD_DEP += libxtst-dev$(bd_java_archs), libxt-dev$(bd_java_archs), libgtk2.0-dev (>= 2.4.4-2)$(bd_java_archs), libart-2.0-dev$(bd_java_archs), libcairo2-dev$(bd_java_archs),
  endif
  ifneq (,$(findstring qt,$(java_awt_peers)))
    JAVA_BUILD_DEP += libqt4-dev (>= 4.1.0)$(bd_java_archs),
  endif
  # gconf peer, disabled by default
  #JAVA_BUILD_DEP += libgconf2-dev$(bd_java_archs),
  # gstreamer peer
  #JAVA_BUILD_DEP += libgstreamer-plugins-base0.10-dev$(bd_java_archs),
endif
ifneq ($(with_standalone_gcj),yes)
  ifeq ($(PKGSOURCE),gcj-$(BASE_VERSION))
    JAVA_BUILD_DEP += $(SOURCE_BUILD_DEP)
  endif
endif
#JAVA_BUILD_INDEP := gcj-$(BASE_VERSION)-jdk
ifeq ($(single_package),yes)
  LIBSTDCXX_BUILD_INDEP = doxygen (>= 1.7.2), graphviz (>= 2.2), ghostscript, texlive-latex-base
  LIBSTDCXX_BUILD_INDEP +=, xsltproc, libxml2-utils, docbook-xsl-ns
  JAVA_BUILD_INDEP :=
endif
ifeq ($(with_separate_libgcj),yes)
  ifeq ($(PKGSOURCE),gcc-$(BASE_VERSION))
    JAVA_BUILD_DEP :=
    JAVA_BUILD_INDEP :=
  endif
endif

ifeq ($(with_ecj),yes)
  ifneq (./,$(dir $(ecj_jar)))
    ECJ_DEP = libecj-java (>= 3.5.1)
  endif
else
  ECJ_DEP = ecj, libecj-java (>= 3.5.1)
  ECJ_DEP = ecj-gcj, libecj-java-gcj (>= 3.5.1)
  ifeq ($(with_external_ecj1),yes)
    ECJ_DEP +=, ecj1
  endif
endif

ifeq ($(PKGSOURCE),gcc-$(BASE_VERSION))
  LIBSTDCXX_BUILD_INDEP = doxygen (>= 1.7.2), graphviz (>= 2.2), ghostscript, texlive-latex-base
  ifeq (,$(filter $(distrelease),lenny etch dapper hardy jaunty karmic lucid maverick natty oneiric))
    LIBSTDCXX_BUILD_INDEP +=, xsltproc, libxml2-utils, docbook-xsl-ns
  endif
  JAVA_BUILD_INDEP :=, $(JAVA_BUILD_INDEP)
endif

GO_BUILD_DEP := netbase,

# try to build with itself, or with the last version
ifneq (,$(filter $(distrelease), jessie))
  gnat_build_dep := gnat-4.9$(NT) [$(ada_no_archs)], g++-4.9$(NT)
else ifneq (,$(filter $(distrelease), wheezy precise trusty wily xenial))
  gnat_build_dep := gnat-5$(NT) [$(ada_no_archs)], g++-5$(NT)
else ifneq (,$(filter $(distrelease), stretch sid yakkety zesty))
  gnat_build_dep := gnat-6$(NT) [$(ada_no_archs)], g++-6$(NT)
else ifneq (,$(filter $(distrelease), squeeze lucid))
  gnat_build_dep :=
else
  gnat_build_dep := gnat$(NT) [$(ada_no_archs)]
endif

ifeq ($(PKGSOURCE),gcc-$(BASE_VERSION))
  ifneq ($(with_separate_gnat),yes)
    # Build gnat as part of the combined gcc-x.y source package.  Do not fail
    # if gnat is not present on unsupported architectures; the build scripts
    # will not use gnat anyway.
    GNAT_BUILD_DEP := $(gnat_build_dep),
  endif
else ifeq ($(single_package),yes)
  # Ditto, as part of the gcc-snapshot package.
  GNAT_BUILD_DEP := $(gnat_build_dep),
else ifeq ($(PKGSOURCE),gnat-$(BASE_VERSION))
  # Special source package just for gnat. Fail early if gnat is not present,
  # rather than waste CPU cycles and fail later.
  # Bootstrap step needs a gnatgcc symbolic link.
  GNAT_BUILD_DEP := $(gnat_build_dep),
  GNAT_BUILD_DEP += $(SOURCE_BUILD_DEP)
  JAVA_BUILD_DEP :=
  JAVA_BUILD_INDEP :=
  GDC_BUILD_DEP :=
  GO_BUILD_DEP :=
else ifeq ($(PKGSOURCE),gcj-$(BASE_VERSION))
  # Special source package just for gcj.
  GNAT_BUILD_DEP :=
  GDC_BUILD_DEP :=
  GO_BUILD_DEP :=
else ifeq ($(PKGSOURCE),gdc-$(BASE_VERSION))
  # Special source package just for gdc.
  GNAT_BUILD_DEP :=
  JAVA_BUILD_DEP :=
  JAVA_BUILD_INDEP :=
  GDC_BUILD_DEP := $(SOURCE_BUILD_DEP)
  GO_BUILD_DEP :=
else ifeq ($(PKGSOURCE),gccgo-$(BASE_VERSION))
  # Special source package just for gccgo.
  GNAT_BUILD_DEP :=
  JAVA_BUILD_DEP :=
  JAVA_BUILD_INDEP :=
  GDC_BUILD_DEP := $(SOURCE_BUILD_DEP)
endif


else
# build cross compiler
  CROSS_BUILD_DEP := libc6-dev$(cross_lib_arch),
ifneq (,$(findstring cross-build-,$(build_type)))
  CROSS_BUILD_DEP += zlib1g-dev$(cross_lib_arch), libmpfr-dev$(cross_lib_arch),
endif
  SOURCE_BUILD_DEP :=
  ifeq (,$(findstring gcc,$(PKGSOURCE)))
    SOURCE_BUILD_DEP := gcc-$(BASE_VERSION)-source (>= $(GCC_SOURCE_VERSION)), gcc-$(BASE_VERSION)-source (<< $(NEXT_GCC_SOURCE_VERSION)),
  endif
  ifeq ($(with_java),yes)
    JAVA_BUILD_DEP := zlib1g-dev, lib64z1-dev [i386 powerpc sparc s390], lib32z1-dev [amd64 ppc64 kfreebsd-amd64 s390x],
  endif
  JAVA_BUILD_INDEP :=
  GNAT_BUILD_DEP :=
endif # cross compiler

BASE_BREAKS := gcc-4.4-base (<< 4.4.7), gcc-4.7-base (<< 4.7.3), gcj-4.4-base (<< 4.4.6-9~), gnat-4.4-base (<< 4.4.6-3~), gcj-4.6-base (<< 4.6.1-4~), gnat-4.6 (<< 4.6.1-5~)
# these would need proper updates, and are only needed for upgrades
ifneq (,$(filter $(distrelease),squeeze wheezy lucid precise trusty))
  BASE_BREAKS :=
endif


# The numeric part of the gcc version number (x.yy.zz)
NEXT_GCC_VERSION := $(shell echo $(GCC_VERSION) | \
		awk -F. '{OFS="."; if (NF==2) $$3=1; else $$NF += 1; print}')
# first version with a new path component in gcc_lib_dir (i.e. GCC_VERSION
# or TARGET_ALIAS changes), or last version available for all architectures
DEB_GCC_SOFT_VERSION := 6.3.0-1
DEB_GCJ_SOFT_VERSION := 6.3.0-1
DEB_GNAT_SOFT_VERSION := 6.3.0-1

ifeq ($(with_d),yes)
  GDC_VERSION := $(BASE_VERSION)
  DEB_GDC_VERSION := $(DEB_VERSION)
endif

# semiautomatic ...
DEB_SOVERSION		:= $(DEB_VERSION)
DEB_SOVERSION		:= 5
DEB_SOEVERSION		:= $(EPOCH):5
DEB_STDCXX_SOVERSION	:= 5
DEB_GCJ_SOVERSION	:= 5
DEB_GOMP_SOVERSION	:= $(DEB_SOVERSION)

DEB_GCC_VERSION := $(DEB_VERSION)
DEB_GCJ_VERSION := $(DEB_VERSION)
ifeq ($(with_separate_libgcj),yes)
  ifeq ($(PKGSOURCE),gcj-$(BASE_VERSION))
    DEB_GCC_VERSION := $(DEB_GCC_SOFT_VERSION)
  endif
endif

DEB_GNAT_VERSION := $(DEB_VERSION)
ifeq ($(with_separate_gnat),yes)
  ifeq ($(PKGSOURCE),gnat-$(BASE_VERSION))
    DEB_GCC_VERSION := $(DEB_GCC_SOFT_VERSION)
  endif
endif

GNAT_VERSION := $(BASE_VERSION)

LIBGNAT_DEP :=
ifeq ($(with_libgnat),yes)
  LIBGNAT_DEP := libgnat-$(GNAT_VERSION)$(LS)$(AQ) (>= $${gcc:Version})
endif

pkg_ver := -$(BASE_VERSION)

PKG_GCJ_EXT = $(GCJ_SONAME1)
PKG_LIBGCJ_EXT = $(GCJ_SONAME1)$(if $(GCJ_SONAME2),-$(GCJ_SONAME2))

ctrl_flags = \
	-DBINUTILSV=$(BINUTILSV) \
	-DBINUTILSBDV=$(BINUTILSBDV) \
	-DSRCNAME=$(PKGSOURCE) \
	-D__$(DEB_TARGET_GNU_CPU)__ \
	-DARCH=$(DEB_TARGET_ARCH) \
	-DDIST=$(distribution)

ctrl_flags += \
	-DLIBC_DEV_DEP="$(LIBC_DEV_DEP)" \
	-DLIBC_BIARCH_BUILD_DEP="$(LIBC_BIARCH_BUILD_DEP)" \
	-DLIBC_DBG_DEP="$(LIBC_DBG_DEP)" \
	-DBASE_BUILD_DEP="$(BASE_BUILD_DEP)" \
	-DFORTRAN_BUILD_DEP="$(FORTRAN_BUILD_DEP)" \
	-DGNAT_BUILD_DEP="$(GNAT_BUILD_DEP)" \
	-DJAVA_BUILD_DEP="$(JAVA_BUILD_DEP)" \
	-DGO_BUILD_DEP="$(GO_BUILD_DEP)" \
	-DJAVA_BUILD_INDEP="$(JAVA_BUILD_INDEP)" \
	-DLIBSTDCXX_BUILD_INDEP="$(LIBSTDCXX_BUILD_INDEP)" \
	-DGDC_BUILD_DEP="$(GDC_BUILD_DEP)" \
	-DBINUTILS_BUILD_DEP="$(BINUTILS_BUILD_DEP)" \
	-DLIBC_BUILD_DEP="$(LIBC_BUILD_DEP)" \
	-DCHECK_BUILD_DEP="$(CHECK_BUILD_DEP)" \
	-DAUTO_BUILD_DEP="$(AUTO_BUILD_DEP)" \
	-DSDT_BUILD_DEP="$(SDT_BUILD_DEP)" \
	-DISL_BUILD_DEP="$(ISL_BUILD_DEP)" \
	-DGMP_BUILD_DEP="$(GMP_BUILD_DEP)" \
	-DMPFR_BUILD_DEP="$(MPFR_BUILD_DEP)" \
	-DMPC_BUILD_DEP="$(MPC_BUILD_DEP)" \
	-DDEBHELPER_BUILD_DEP="$(DEBHELPER_BUILD_DEP)" \
	-DDPKG_BUILD_DEP="$(DPKG_BUILD_DEP)" \
	-DSOURCE_BUILD_DEP="$(SOURCE_BUILD_DEP)" \
	-DCROSS_BUILD_DEP="$(CROSS_BUILD_DEP)" \
	-DGCC_MULTILIB_BUILD_DEP='$(GCC_MULTILIB_BUILD_DEP)' \
	-DTARGET_TOOL_BUILD_DEP='$(TARGET_TOOL_BUILD_DEP)' \
	-DPHOBOS_BUILD_DEP="$(PHOBOS_BUILD_DEP)" \
	-DMULTILIB_ARCHS="$(multilib_archs)" \
	-DNEON_ARCHS="$(neon_archs)" \
	-DTP=$(TP) \
	-DTS=$(TS) \
	-DLS=$(LS) \
	-DAQ=$(AQ) \
	-DNT=$(NT)

ifeq ($(DEB_CROSS),yes)
  ctrl_flags += \
	-DTARGET=$(DEB_TARGET_ARCH) \
	-DLIBUNWIND_BUILD_DEP="$(LIBUNWIND_BUILD_DEP)" \
	-DLIBATOMIC_OPS_BUILD_DEP="$(LIBATOMIC_OPS_BUILD_DEP)"
  ifeq ($(DEB_STAGE),rtlibs)
    ctrl_flags += -DCROSS_ARCH=$(DEB_TARGET_ARCH)
  endif
else
  # add '-DPRI=optional' to ctrl_flags if this is not the default compiler
  # ctrl_flags += \
  #     -DPRI=optional
endif

ifeq ($(with_base_only),yes)
  ctrl_flags += \
	-DBASE_ONLY=yes
endif

ifeq ($(with_multiarch_lib),yes)
  ctrl_flags += \
	-DMULTIARCH=yes
endif

control: control-file readme-bugs-file parameters-file symbols-files copyright-file substvars-file versioned-files check-versions

# stage1 and stage2 compilers are only C
ifneq (,$(filter $(DEB_STAGE),stage1 stage2))
  languages = c
  addons = gccbase cdev plugindev
  ifeq ($(with_gcclbase),yes)
    addons += gcclbase
  endif
  ifeq ($(multilib),yes)
    addons += multilib
  endif
  addons += $(if $(findstring armel,$(biarchhfarchs)),armml)
  addons += $(if $(findstring armhf,$(biarchsfarchs)),armml)
  addons += $(if $(findstring amd64,$(biarchx32archs)),x32dev)
  ifeq ($(DEB_STAGE),stage2)
    addons += libgcc
    ifeq ($(multilib),yes)
      addons += lib32gcc lib64gcc libn32gcc
      addons += $(if $(findstring amd64,$(biarchx32archs)),libx32gcc)
      addons += $(if $(findstring armel,$(biarchhfarchs)),libhfgcc)
      addons += $(if $(findstring armhf,$(biarchsfarchs)),libsfgcc)
    endif
  else
    LIBC_BIARCH_DEV_DEP :=
  endif
else
languages = c c++ fortran objc objpp
ifeq ($(DEB_STAGE),rtlibs)
  ifeq (,$(filter libgfortran, $(with_rtlibs)))
    languages := $(filter-out fortran, $(languages))
  endif
  ifeq (,$(filter libobjc, $(with_rtlibs)))
    languages := $(filter-out objc objpp, $(languages))
  endif
endif
ifeq ($(with_gccbase),yes)
    addons += gccbase
endif
ifeq ($(with_gcclbase),yes)
  addons += gcclbase
endif
ifneq ($(DEB_STAGE),rtlibs)
  addons += cdev c++dev source multilib
  ifeq ($(build_type),build-native)
    addons += testresults
  endif
  ifneq (,$(filter fortran, $(languages)))
      addons += fdev
  endif
  ifneq (,$(filter objc, $(languages)))
      addons += objcdev
  endif
  ifneq (,$(filter objpp, $(languages)))
      addons += objppdev
  endif
  addons += plugindev
endif
addons += $(if $(findstring armel,$(biarchhfarchs)),armml)
addons += $(if $(findstring armhf,$(biarchsfarchs)),armml)
addons += $(if $(findstring amd64,$(biarchx32archs)),x32dev)
ifeq ($(with_libgcc),yes)
  addons += libgcc lib4gcc lib32gcc lib64gcc libn32gcc
  addons += $(if $(findstring amd64,$(biarchx32archs)),libx32gcc)
  addons += $(if $(findstring armel,$(biarchhfarchs)),libhfgcc)
  addons += $(if $(findstring armhf,$(biarchsfarchs)),libsfgcc)
endif
ifeq ($(with_libcxx),yes)
  addons += libcxx lib32cxx lib64cxx libn32cxx
  addons += $(if $(findstring amd64,$(biarchx32archs)),libx32cxx)
  addons += $(if $(findstring armel,$(biarchhfarchs)),libhfcxx)
  addons += $(if $(findstring armhf,$(biarchsfarchs)),libsfcxx)
endif
addons += $(if $(findstring amd64,$(biarchx32archs)),libx32dbgcxx)
addons += $(if $(findstring armel,$(biarchhfarchs)),libhfdbgcxx)
addons += $(if $(findstring armhf,$(biarchsfarchs)),libsfdbgcxx)
ifeq ($(with_libgfortran),yes)
  addons += libgfortran lib32gfortran lib64gfortran libn32gfortran
  addons += $(if $(findstring amd64,$(biarchx32archs)),libx32gfortran)
  addons += $(if $(findstring armel,$(biarchhfarchs)),libhfgfortran)
  addons += $(if $(findstring armhf,$(biarchsfarchs)),libsfgfortran)
endif
ifeq ($(with_libobjc),yes)
  addons += libobjc lib32objc lib64objc libn32objc
  addons += $(if $(findstring amd64,$(biarchx32archs)),libx32objc)
  addons += $(if $(findstring armel,$(biarchhfarchs)),libhfobjc)
  addons += $(if $(findstring armhf,$(biarchsfarchs)),libsfobjc)
endif
ifeq ($(with_libgomp),yes)
  addons += libgomp lib32gomp lib64gomp libn32gomp
  addons += $(if $(findstring amd64,$(biarchx32archs)),libx32gomp)
  addons += $(if $(findstring armel,$(biarchhfarchs)),libhfgomp)
  addons += $(if $(findstring armhf,$(biarchsfarchs)),libsfgomp)
endif
ifeq ($(with_ssp),yes)
  addons += libssp lib32ssp lib64ssp
endif
ifeq ($(with_libitm),yes)
  addons += libitm lib32itm lib64itm libn32itm
  addons += $(if $(findstring amd64,$(biarchx32archs)),libx32itm)
  addons += $(if $(findstring armel,$(biarchhfarchs)),libhfitm)
  addons += $(if $(findstring armhf,$(biarchsfarchs)),libsfitm)
endif
ifeq ($(with_libatomic),yes)
  addons += libatomic lib32atomic lib64atomic libn32atomic
  addons += $(if $(findstring amd64,$(biarchx32archs)),libx32atomic)
  addons += $(if $(findstring armel,$(biarchhfarchs)),libhfatomic)
  addons += $(if $(findstring armhf,$(biarchsfarchs)),libsfatomic)
endif
ifeq ($(with_libbacktrace),yes)
  addons += libbtrace lib32btrace lib64btrace libn32btrace
  addons += $(if $(findstring amd64,$(biarchx32archs)),libx32btrace)
  addons += $(if $(findstring armel,$(biarchhfarchs)),libhfbtrace)
  addons += $(if $(findstring armhf,$(biarchsfarchs)),libsfbtrace)
endif
ifeq ($(with_libasan),yes)
  addons += libasan lib32asan lib64asan libn32asan
  addons += $(if $(findstring amd64,$(biarchx32archs)),libx32asan)
  addons += $(if $(findstring armel,$(biarchhfarchs)),libhfasan)
  addons += $(if $(findstring armhf,$(biarchsfarchs)),libsfasan)
endif
ifeq ($(with_liblsan),yes)
  addons += liblsan lib32lsan lib64lsan libn32lsan
  addons += $(if $(findstring amd64,$(biarchx32archs)),libx32lsan)
  #addons += $(if $(findstring armel,$(biarchhfarchs)),libhflsan)
  #addons += $(if $(findstring armhf,$(biarchsfarchs)),libsflsan)
endif
ifeq ($(with_libtsan),yes)
  addons += libtsan
  addons += libtsan #lib32tsan lib64tsan libn32tsan
  #addons += $(if $(findstring amd64,$(biarchx32archs)),libx32tsan)
  #addons += $(if $(findstring armel,$(biarchhfarchs)),libhftsan)
  #addons += $(if $(findstring armhf,$(biarchsfarchs)),libsftsan)
endif
ifeq ($(with_libubsan),yes)
  addons += libubsan lib32ubsan lib64ubsan libn32ubsan
  addons += $(if $(findstring amd64,$(biarchx32archs)),libx32ubsan)
  addons += $(if $(findstring armel,$(biarchhfarchs)),libhfubsan)
  addons += $(if $(findstring armhf,$(biarchsfarchs)),libsfubsan)
endif
ifeq ($(with_vtv),yes)
  addons += libvtv lib32vtv lib64vtv #libn32vtv
  addons += $(if $(findstring amd64,$(biarchx32archs)),libx32vtv)
  #addons += $(if $(findstring armel,$(biarchhfarchs)),libhfvtv)
  #addons += $(if $(findstring armhf,$(biarchsfarchs)),libsfvtv)
endif
ifeq ($(with_libcilkrts),yes)
  addons += libcilkrts
  addons += libcilkrts lib32cilkrts lib64cilkrts #libn32cilkrts
  addons += $(if $(findstring amd64,$(biarchx32archs)),libx32cilkrts)
  #addons += $(if $(findstring armel,$(biarchhfarchs)),libhfcilkrts)
  #addons += $(if $(findstring armhf,$(biarchsfarchs)),libsfcilkrts)
endif
ifeq ($(with_mpx),yes)
  addons += libmpx lib32mpx lib64mpx
endif
ifeq ($(with_libqmath),yes)
  addons += libqmath lib32qmath lib64qmath libn32qmath
  addons += $(if $(findstring amd64,$(biarchx32archs)),libx32qmath)
  addons += $(if $(findstring armel,$(biarchhfarchs)),libhfqmath)
  addons += $(if $(findstring armhf,$(biarchsfarchs)),libsfqmath)
endif
ifeq ($(with_jit),yes)
  addons += jit
endif
ifeq ($(with_libgccjit),yes)
  addons += libjit
endif
ifeq ($(with_libcc1),yes)
  addons += libcc1
endif
ifeq ($(with_d),yes)
  languages += d
  ifeq ($(with_libphobos),yes)
    addons += libphobos
    addons += $(if $(findstring amd64,$(biarchx32archs)),libx32phobos)
  endif
endif
ifeq ($(with_go),yes)
  addons += ggo godev
  ifeq ($(with_libgo),yes)
    addons += libggo lib32ggo lib64ggo libn32ggo
    addons += $(if $(findstring amd64,$(biarchx32archs)),libx32ggo)
  endif
endif
ifeq ($(with_ada),yes)
  languages += ada
  addons += libgnat libs # libgmath libnof lib64gnat ssp
  ifeq ($(with_gnatsjlj),yes)
    addons += adasjlj
  endif
endif
ifeq ($(with_java),yes)
  languages += java
  addons += gcj
  ifneq ($(DEB_CROSS),yes)
    addons += libgcj libgcjdev gcjdoc gcjsrc
  endif
endif

  ifneq ($(DEB_CROSS),yes)
  ifneq (,$(neon_archs))
    addons += libneongcc libneongomp libneonitm libneonobjc libneongfortran libneoncxx
  endif
  ifeq ($(with_fixincl),yes)
    addons += $(if $(DEB_STAGE),,fixincl)
  endif
  ifeq ($(with_libgcj_doc),yes)
    addons += gcjdoc
  endif
  endif # DEB_CROSS
#  ifneq (,$(findstring gtk, $(java_awt_peers)))
#    addons += gtkpeer
#  endif
#  ifneq (,$(findstring qt, $(java_awt_peers)))
#    addons += qtpeer
#  endif
  ifeq ($(with_separate_libgcj),yes)
    ifeq ($(PKGSOURCE),gcc-$(BASE_VERSION))
      languages := $(filter-out java,$(languages))
      addons := $(filter-out gcj libgcj libgcjdev gcjdoc gcjsrc gtkpeer qtpeer,$(addons))
    endif
    ifeq ($(PKGSOURCE),gcj-$(BASE_VERSION))
      languages = java
      addons = gcj libgcj libgcjdev gcjsrc
      addons += $(if $(filter yes,$(with_gcjbase)),gcjbase)
      addons += $(if $(filter yes,$(with_gcjxbase)),gcjxbase)
    ifeq ($(with_libgcj_doc),yes)
      addons += gcjdoc
    endif
#      ifneq (,$(findstring gtk, $(java_awt_peers)))
#        addons += gtkpeer
#      endif
#      ifneq (,$(findstring qt, $(java_awt_peers)))
#        addons += qtpeer
#      endif
      ifeq ($(with_standalone_gcj),yes)
	addons += libgcc lib4gcc lib64gcc lib32gcc libn32gcc libx32gcc
      endif
    endif
  endif
  ifeq ($(DEB_CROSS),yes)
    addons := $(filter-out gcjdoc gcjsrc,$(addons))
  endif
  ifeq ($(with_standalone_gcj),yes)
    ifeq ($(PKGSOURCE),gcj-$(BASE_VERSION))
      ctrl_flags += -DSTANDALONEJAVA
    endif
  endif
  ifeq ($(with_separate_libgo),yes)
    ifeq ($(PKGSOURCE),gcc-$(BASE_VERSION))
      languages := $(filter-out go,$(languages))
      addons := $(filter-out ggo godev libggo lib64ggo lib32ggo libn32ggo libx32ggo,$(addons))
    endif
    ifeq ($(PKGSOURCE),gccgo-$(BASE_VERSION))
      languages = go
      addons = ggo godev libggo lib64ggo lib32ggo libn32ggo gccbase multilib
      addons += $(if $(findstring amd64,$(biarchx32archs)),libx32ggo)
      ifeq ($(with_standalone_go),yes)
        addons += libgcc lib4gcc lib32gcc lib64gcc libn32gcc
        addons += $(if $(findstring amd64,$(biarchx32archs)),libx32gcc)
        addons += $(if $(findstring armel,$(biarchhfarchs)),libhfgcc)
        addons += $(if $(findstring armhf,$(biarchsfarchs)),libsfgcc)
        ifeq ($(with_libcc1),yes)
          addons += libcc1
        endif
      endif
    endif
  endif
  ifeq ($(with_standalone_go),yes)
    ifeq ($(PKGSOURCE),gccgo-$(BASE_VERSION))
      ctrl_flags += -DSTANDALONEGO
    endif
  endif
  ifeq ($(with_separate_gnat),yes)
    ifeq ($(PKGSOURCE),gcc-$(BASE_VERSION))
      languages := $(filter-out ada,$(languages))
      addons := $(filter-out libgnat adasjlj,$(addons))
    endif
    ifeq ($(PKGSOURCE),gnat-$(BASE_VERSION))
      languages = ada
      addons = gnatbase libgnat
    endif
  endif
  ifeq ($(with_separate_gdc),yes)
    ifeq ($(PKGSOURCE),gcc-$(BASE_VERSION))
      languages := $(filter-out d,$(languages))
    endif
    ifeq ($(PKGSOURCE),gdc-$(BASE_VERSION))
      languages = d
      addons = 
      ifeq ($(with_libphobos),yes)
        addons += libphobos
      endif
    endif
  endif
  ifneq ($(DEB_CROSS),yes) # no docs for cross compilers
  ifneq ($(GFDL_INVARIANT_FREE),yes)
    addons += gfdldoc
  endif
  endif
endif # not stage

control-file:
	echo "addons: $(addons)"; \
	m4 $(ctrl_flags) \
	  -DPV=$(pkg_ver) \
	  -DCXX_SO=$(CXX_SONAME) \
	  -DGCC_SO=$(GCC_SONAME) \
	  -DOBJC_SO=$(OBJC_SONAME) \
	  -DFORTRAN_SO=$(FORTRAN_SONAME) \
	  -DGCJ_SO=$(PKG_GCJ_EXT) \
	  -DLIBGCJ_EXT=$(PKG_LIBGCJ_EXT) \
	  -DGNAT_SO=$(GNAT_SONAME) \
	  -DGNAT_V=$(GNAT_VERSION) \
	  -DPHOBOS_V=$(GPHOBOS_SONAME) \
	  -DGDRUNTIME_V=$(GDRUNTIME_SONAME) \
	  -DGOMP_SO=$(GOMP_SONAME) \
	  -DITM_SO=$(ITM_SONAME) \
	  -DATOMIC_SO=$(ATOMIC_SONAME) \
	  -DBTRACE_SO=$(BTRACE_SONAME) \
	  -DASAN_SO=$(ASAN_SONAME) \
	  -DLSAN_SO=$(LSAN_SONAME) \
	  -DTSAN_SO=$(TSAN_SONAME) \
	  -DUBSAN_SO=$(UBSAN_SONAME) \
	  -DVTV_SO=$(VTV_SONAME) \
	  -DCILKRTS_SO=$(CILKRTS_SONAME) \
	  -DMPX_SO=$(MPX_SONAME) \
	  -DQMATH_SO=$(QUADMATH_SONAME) \
	  -DSSP_SO=$(SSP_SONAME) \
	  -DGO_SO=$(GO_SONAME) \
	  -DCC1_SO=$(CC1_SONAME) \
	  -DGCCJIT_SO=$(GCCJIT_SONAME) \
	  -Denabled_languages="$(languages) $(addons)" \
	  -Dada_no_archs="$(ada_no_archs)" \
	  -Djava_no_archs="$(java_no_archs)" \
	  -Dfortran_no_archs="$(fortran_no_archs)" \
	  -Dlibgc_no_archs="$(libgc_no_archs)" \
	  -Dlibphobos_archs="$(libphobos_archs)" \
	  -Dlibphobos_no_archs="$(libphobos_no_archs)" \
	  -Dcheck_no_archs="$(check_no_archs)" \
	  -Dlocale_no_archs="$(locale_no_archs)" \
	  -Dlinux_gnu_archs="$(linux_gnu_archs)" \
	  -Dbiarch32_archs="$(strip $(subst /, ,$(biarch32archs)))" \
	  -Dbiarch64_archs="$(strip $(subst /, ,$(biarch64archs)))" \
	  -Dbiarchn32_archs="$(strip $(subst /, ,$(biarchn32archs)))" \
	  -Dbiarchx32_archs="$(strip $(subst /, ,$(biarchx32archs)))" \
	  -Dbiarchhf_archs="$(strip $(subst /, ,$(biarchhfarchs)))" \
	  -Dbiarchsf_archs="$(strip $(subst /, ,$(biarchsfarchs)))" \
	  -Dadd_built_using=$(add_built_using) \
	  -DGCC_PORTS_BUILD=$(GCC_PORTS_BUILD) \
	  -DPR66145BREAKS="$(if $(findstring build-native,$(build_type)),$(if $(filter new,$(libstdcxx_abi)),$$(tr '\n' ' ' < debian/libstdc++-breaks.$(derivative))))" \
		debian/control.m4 > debian/control.tmp2
	uniq debian/control.tmp2 | sed '/^Build/s/ *, */, /g;/^  /s/ *, */, /g' \
		$(if $(filter yes, $(with_base_only)), | awk '/^$$/ {if (p) exit; else p=1; } {print}') \
		> debian/control.tmp
	rm -f debian/control.tmp2
	[ -e debian/control ] \
	  && cmp -s debian/control debian/control.tmp \
	  && rm -f debian/control.tmp && exit 0; \
	  mv debian/control.tmp debian/control; touch $(control_stamp)

readme-bugs-file:
	m4 -DDIST=$(distribution) -DSRCNAME=$(PKGSOURCE) \
		debian/README.Bugs.m4 > debian/README.Bugs

copyright-file:
	rm -f debian/copyright
	if echo $(SOURCE_VERSION) | grep -E ^'[0-9]\.[0-9]-[0-9]{8}' ; \
		then SVN_BRANCH="trunk" ; \
	else \
		SVN_BRANCH="gcc-$(subst .,_,$(BASE_VERSION))-branch" ; \
	fi ; \
	sed debian/copyright.in		\
		-e "s/@BV@/$(BASE_VERSION)/g"		\
		-e "s/@SVN_BRANCH@/$$SVN_BRANCH/g"	\
		> debian/copyright

substvars-file: control-file
	rm -f debian/substvars.local.tmp
	( \
		echo 'libgcc:Version=$(DEB_LIBGCC_VERSION)'; \
		echo 'gcc:Version=$(DEB_GCC_VERSION)'; \
		echo 'gcc:EpochVersion=$(DEB_EVERSION)'; \
		echo 'gcc:SoftVersion=$(DEB_GCC_SOFT_VERSION)'; \
		echo 'gdc:Version=$(DEB_GDC_VERSION)'; \
		echo 'gcj:Version=$(DEB_GCJ_VERSION)'; \
		echo 'gcj:SoftVersion=$(DEB_GCJ_SOFT_VERSION)'; \
		echo 'gcj:BaseVersion=$(BASE_VERSION)'; \
		echo 'gnat:Version=$(DEB_GNAT_VERSION)'; \
		echo 'gnat:SoftVersion=$(DEB_GNAT_SOFT_VERSION)'; \
		echo 'binutils:Version=$(BINUTILSV)'; \
		echo 'dep:libgcc=$(LIBGCC_DEP)'; \
		echo 'dep:libgccdev=$(LIBGCC_DEV_DEP)'; \
		echo 'dep:libgccbiarch=$(libgccbiarch)'; \
		echo 'dep:libgccbiarchdev=$(libgccbiarchdev)'; \
		echo 'dep:libc=$(LIBC_DEP) (>= $(libc_ver))'; \
		echo 'dep:libcdev=$(LIBC_DEV_DEP)'; \
		echo 'dep:libcbiarch=$(LIBC_BIARCH_DEP)'; \
		echo 'dep:libcbiarchdev=$(LIBC_BIARCH_DEV_DEP)'; \
		echo 'dep:libunwinddev=$(LIBUNWIND_DEV_DEP)'; \
		echo 'dep:libcxxbiarchdev=$(libstdc++biarchdev)'; \
		echo 'dep:libcxxbiarchdbg=$(libstdc++biarchdbg)'; \
		echo 'dep:libgnat=$(LIBGNAT_DEP)'; \
		echo 'dep:ecj=$(ECJ_DEP)'; \
		echo 'base:Breaks=$(BASE_BREAKS)'; \
	) > debian/substvars.local.tmp
ifneq (,$(filter $(DEB_TARGET_ARCH), $(multilib_archs)))
	( \
		echo 'gcc:multilib=gcc-$(BASE_VERSION)-multilib$(TS)'; \
		echo 'gxx:multilib=g++-$(BASE_VERSION)-multilib$(TS)'; \
		echo 'gobjc:multilib=gobjc-$(BASE_VERSION)-multilib$(TS)'; \
		echo 'gobjcxx:multilib=gobjc++-$(BASE_VERSION)-multilib$(TS)'; \
		echo 'gfortran:multilib=gfortran-$(BASE_VERSION)-multilib$(TS)'; \
	) >> debian/substvars.local.tmp
endif
ifeq ($(with_gold),yes)
	echo 'dep:gold=binutils-gold (>= $(BINUTILSV))' \
		>> debian/substvars.local.tmp
endif
ifeq ($(with_libssp),yes)
	echo 'dep:libssp=libssp$(SSP_SONAME)$(LS)$(AQ) (>= $${gcc:Version})' \
		>> debian/substvars.local.tmp
endif
ifeq ($(with_gomp),yes)
	echo 'dep:libgomp=libgomp$(GOMP_SONAME)$(LS)$(AQ) (>= $${gcc:Version})' \
		>> debian/substvars.local.tmp
endif
ifeq ($(with_itm),yes)
	echo 'dep:libitm=libitm$(ITM_SONAME)$(LS)$(AQ) (>= $${gcc:Version})' \
		>> debian/substvars.local.tmp
endif
ifeq ($(with_atomic),yes)
	echo 'dep:libatomic=libatomic$(ATOMIC_SONAME)$(LS)$(AQ) (>= $${gcc:Version})' \
		>> debian/substvars.local.tmp
endif
ifeq ($(with_libbacktrace),yes)
	echo 'dep:libbacktrace=libbtrace$(BTRACE_SONAME)$(LS)$(AQ) (>= $${gcc:Version})' \
		>> debian/substvars.local.tmp
endif
ifeq ($(with_asan),yes)
	echo 'dep:libasan=libasan$(ASAN_SONAME)$(LS)$(AQ) (>= $${gcc:Version})' \
		>> debian/substvars.local.tmp
endif
ifeq ($(with_lsan),yes)
	echo 'dep:liblsan=liblsan$(LSAN_SONAME)$(LS)$(AQ) (>= $${gcc:Version})' \
		>> debian/substvars.local.tmp
endif
ifeq ($(with_tsan),yes)
	echo 'dep:libtsan=libtsan$(TSAN_SONAME)$(LS)$(AQ) (>= $${gcc:Version})' \
		>> debian/substvars.local.tmp
endif
ifeq ($(with_ubsan),yes)
	echo 'dep:libubsan=libubsan$(UBSAN_SONAME)$(LS)$(AQ) (>= $${gcc:Version})' \
		>> debian/substvars.local.tmp
endif
ifeq ($(with_vtv),yes)
	echo 'dep:libvtv=libvtv$(VTV_SONAME)$(LS)$(AQ) (>= $${gcc:Version})' \
		>> debian/substvars.local.tmp
endif
ifeq ($(with_cilkrts),yes)
	echo 'dep:libcilkrts=libcilkrts$(CILKRTS_SONAME)$(LS)$(AQ) (>= $${gcc:Version})' \
		>> debian/substvars.local.tmp
endif
ifeq ($(with_mpx),yes)
	echo 'dep:libmpx=libmpx$(MPX_SONAME)$(LS)$(AQ) (>= $${gcc:Version})' \
		>> debian/substvars.local.tmp
endif
ifeq ($(with_qmath),yes)
	echo 'dep:libqmath=libquadmath$(QUADMATH_SONAME)$(LS)$(AQ) (>= $${gcc:Version})' \
		>> debian/substvars.local.tmp
endif
ifeq ($(distribution),Debian)
	echo 'dep:libx32z=$(if $(filter $(distribution), Debian),,libx32z1-dev)' \
		>> debian/substvars.local.tmp
endif
ifeq ($(multilib),yes)
	echo 'dep:libgfortranbiarchdev=$(libgfortranbiarchdev)' \
		>> debian/substvars.local.tmp
	echo 'dep:libobjcbiarchdev=$(libobjcbiarchdev)' \
		>> debian/substvars.local.tmp
  ifeq ($(with_libphobos),yes)
	echo 'dep:libphobosbiarchdev=$(libgphobosbiarchdev)' \
		>> debian/substvars.local.tmp
  endif
  ifeq ($(with_libssp),yes)
	echo 'dep:libsspbiarch=$(libsspbiarch)' \
		>> debian/substvars.local.tmp
  endif
  ifeq ($(with_gomp),yes)
	echo 'dep:libgompbiarch=$(libgompbiarch)' \
		>> debian/substvars.local.tmp
  endif
  ifeq ($(with_itm),yes)
	echo 'dep:libitmbiarch=$(libitmbiarch)' \
		>> debian/substvars.local.tmp
  endif
  ifeq ($(with_atomic),yes)
	echo 'dep:libatomicbiarch=$(libatomicbiarch)' \
		>> debian/substvars.local.tmp
  endif
  ifeq ($(with_libbacktrace),yes)
	echo 'dep:libbtracebiarch=$(libbtracebiarch)' \
		>> debian/substvars.local.tmp
  endif
  ifeq ($(with_asan),yes)
	echo 'dep:libasanbiarch=$(libasanbiarch)' \
		>> debian/substvars.local.tmp
  endif
  ifeq ($(with_lsan),yes)
	#echo 'dep:liblsanbiarch=$(liblsanbiarch)' \
	#	>> debian/substvars.local.tmp
  endif
  ifeq ($(with_tsan),yes)
	#echo 'dep:libtsanbiarch=$(libtsanbiarch)' \
	#	>> debian/substvars.local.tmp
  endif
  ifeq ($(with_ubsan),yes)
	echo 'dep:libubsanbiarch=$(libubsanbiarch)' \
		>> debian/substvars.local.tmp
  endif
  ifeq ($(with_vtv),yes)
	echo 'dep:libvtvbiarch=$(libvtvbiarch)' \
		>> debian/substvars.local.tmp
  endif
  ifeq ($(with_cilkrts),yes)
	echo 'dep:libcilkrtsbiarch=$(libcilkrtsbiarch)' \
		>> debian/substvars.local.tmp
  endif
  ifeq ($(with_mpx),yes)
	echo 'dep:libmpxbiarch=$(libmpxbiarch)' \
		>> debian/substvars.local.tmp
  endif
  ifeq ($(with_qmath),yes)
	echo 'dep:libqmathbiarch=$(libquadmathbiarch)' \
		>> debian/substvars.local.tmp
  endif
  ifeq ($(with_go),yes)
	echo 'dep:libgobiarchdev=$(libgobiarchdev)' \
		>> debian/substvars.local.tmp
	echo 'dep:libgobiarch=$(libgobiarch)' \
		>> debian/substvars.local.tmp
  endif
  ifeq ($(with_libphobosdev),yes)
	echo 'dep:libphobosbiarchdev=$(libgphobosbiarchdev)' \
		>> debian/substvars.local.tmp
	echo 'dep:libphobosbiarch=$(libgphobosbiarch)' \
		>> debian/substvars.local.tmp
  endif
endif
ifneq ($(with_standalone_gcj),yes)
  ifneq (,$(filter $(DEB_HOST_ARCH),armel armhf))
	echo 'dep:gcj=g++$(pkg_ver) (>= $(DEB_GCC_SOFT_VERSION))' \
		>> debian/substvars.local.tmp
  else
	echo 'dep:gcj=gcc$(pkg_ver) (>= $(DEB_GCC_SOFT_VERSION))' \
		>> debian/substvars.local.tmp
  endif
  ifeq ($(DEB_CROSS),yes)
	echo 'dep:gcjcross=gcj$(pkg_ver) (>= $(DEB_GCC_SOFT_VERSION))' \
		>> debian/substvars.local.tmp
  endif
endif
ifeq ($(DEB_CROSS),yes)
	echo 'dep:gdccross=gdc$(pkg_ver) (>= $(DEB_GCC_SOFT_VERSION))' \
		>> debian/substvars.local.tmp
endif
ifeq ($(with_libphobos),yes)
	echo 'dep:phobosdev=libgphobos$(pkg_ver)-dev$(LS)$(AQ) (>= $(DEB_GCC_SOFT_VERSION))' \
		>> debian/substvars.local.tmp
  ifeq ($(DEB_CROSS),yes)
	: # FIXME: make the cross gdc aware of both include paths
	echo 'dep:gdccross=gdc$(pkg_ver) (>= $(DEB_GCC_SOFT_VERSION))' \
		>> debian/substvars.local.tmp
  endif
endif
ifeq ($(with_cc1),yes)
  ifneq (,$(findstring build-cross, $(build_type)))
	echo 'dep:libcc1=libcc1-$(CC1_SONAME) (>= $${gcc:SoftVersion})' \
		>> debian/substvars.local.tmp
  else
	echo 'dep:libcc1=libcc1-$(CC1_SONAME) (>= $${gcc:Version})' \
		>> debian/substvars.local.tmp
  endif
endif
#ifneq (,$(findstring gtk, $(java_awt_peers)))
#	echo 'pkg:gcjgtk=libgcj$(subst 0,,$(GCJ_SONAME))-awt-gtk (>= $(DEB_GCJ_VERSION))' \
#		>> debian/substvars.local.tmp
#endif
#ifneq (,$(findstring qt, $(java_awt_peers)))
#	echo 'pkg:gcjqt=libgcj$(subst 0,,$(GCJ_SONAME))-awt-qt (>= $(DEB_GCJ_VERSION))' \
#		>> debian/substvars.local.tmp
#endif
ifeq ($(DEB_HOST_ARCH),hppa)
	echo 'dep:prctl=prctl' >> debian/substvars.local.tmp
endif
ifeq ($(derivative)-$(DEB_HOST_ARCH),Debian-amd64)
	echo 'confl:lib32=libc6-i386 (<< 2.9-22)' >> debian/substvars.local.tmp
endif
ifeq ($(with_multiarch_lib),yes)
	echo 'multiarch:breaks=gcc-4.3 (<< 4.3.6-1), gcc-4.4 (<< 4.4.6-4), gcc-4.5 (<< 4.5.3-2)' >> debian/substvars.local.tmp
endif
	echo 'golang:Conflicts=golang-go (<< 2:1.3.3-1ubuntu2)' >> debian/substvars.local.tmp
ifeq ($(add_built_using),yes)
	echo "Built-Using=$(shell dpkg-query -f '$${source:Package} (= $${source:Version}), ' -W gcc$(pkg_ver)-source)" \
	>> debian/substvars.local.tmp
endif
	v=`sed -n '/^#define MOD_VERSION/s/.* "\([0-9]*\)"/\1/p' \
		$(srcdir)/gcc/fortran/module.c`; \
	echo "fortran:mod-version=gfortran-mod-$$v" >> debian/substvars.local.tmp

	[ -e debian/substvars.local ] \
	  && cmp -s debian/substvars.local debian/substvars.local.tmp \
	  && rm -f debian/substvars.local.tmp && exit 0; \
	  mv debian/substvars.local.tmp debian/substvars.local; \
	  touch $(control_stamp)

parameters-file:
	rm -f debian/rules.parameters.tmp
	( \
		echo '# configuration parameters taken from upstream source files'; \
		echo 'GCC_VERSION	:= $(GCC_VERSION)'; \
		echo 'NEXT_GCC_VERSION	:= $(NEXT_GCC_VERSION)'; \
		echo 'BASE_VERSION	:= $(BASE_VERSION)'; \
		echo 'SOURCE_VERSION	:= $(SOURCE_VERSION)'; \
		echo 'DEB_VERSION	:= $(DEB_VERSION)'; \
		echo 'DEB_EVERSION	:= $(DEB_EVERSION)'; \
		echo 'DEB_GDC_VERSION	:= $(DEB_GDC_VERSION)'; \
		echo 'DEB_SOVERSION	:= $(DEB_SOVERSION)'; \
		echo 'DEB_SOEVERSION	:= $(DEB_SOEVERSION)'; \
		echo 'DEB_LIBGCC_SOVERSION	:= $(DEB_LIBGCC_SOVERSION)'; \
		echo 'DEB_LIBGCC_VERSION	:= $(DEB_LIBGCC_VERSION)'; \
		echo 'DEB_STDCXX_SOVERSION	:= $(DEB_STDCXX_SOVERSION)'; \
		echo 'DEB_GCJ_SOVERSION	:= $(DEB_GCJ_SOVERSION)'; \
		echo 'PKG_GCJ_EXT	:= $(PKG_GCJ_EXT)'; \
		echo 'PKG_LIBGCJ_EXT	:= $(PKG_LIBGCJ_EXT)'; \
		echo 'DEB_GOMP_SOVERSION	:= $(DEB_GOMP_SOVERSION)'; \
		echo 'GCC_SONAME	:= $(GCC_SONAME)'; \
		echo 'CXX_SONAME	:= $(CXX_SONAME)'; \
		echo 'FORTRAN_SONAME	:= $(FORTRAN_SONAME)'; \
		echo 'OBJC_SONAME	:= $(OBJC_SONAME)'; \
		echo 'GCJ_SONAME	:= $(GCJ_SONAME)'; \
		echo 'GDC_VERSION	:= $(GDC_VERSION)'; \
		echo 'GNAT_VERSION	:= $(GNAT_VERSION)'; \
		echo 'GNAT_SONAME	:= $(GNAT_SONAME)'; \
		echo 'FFI_SONAME	:= $(FFI_SONAME)'; \
		echo 'SSP_SONAME	:= $(SSP_SONAME)'; \
		echo 'GOMP_SONAME	:= $(GOMP_SONAME)'; \
		echo 'ITM_SONAME	:= $(ITM_SONAME)'; \
		echo 'ATOMIC_SONAME	:= $(ATOMIC_SONAME)'; \
		echo 'BTRACE_SONAME	:= $(BTRACE_SONAME)'; \
		echo 'ASAN_SONAME	:= $(ASAN_SONAME)'; \
		echo 'LSAN_SONAME	:= $(LSAN_SONAME)'; \
		echo 'TSAN_SONAME	:= $(TSAN_SONAME)'; \
		echo 'UBSAN_SONAME	:= $(UBSAN_SONAME)'; \
		echo 'VTV_SONAME	:= $(VTV_SONAME)'; \
		echo 'CILKRTS_SONAME	:= $(CILKRTS_SONAME)'; \
		echo 'MPX_SONAME	:= $(MPX_SONAME)'; \
		echo 'QUADMATH_SONAME	:= $(QUADMATH_SONAME)'; \
		echo 'GO_SONAME		:= $(GO_SONAME)'; \
		echo 'CC1_SONAME	:= $(CC1_SONAME)'; \
		echo 'GCCJIT_SONAME	:= $(GCCJIT_SONAME)'; \
		echo 'GPHOBOS_SONAME	:= $(GPHOBOS_SONAME)'; \
		echo 'GDRUNTIME_SONAME	:= $(GDRUNTIME_SONAME)'; \
		echo 'LIBC_DEP		:= $(LIBC_DEP)'; \
	) > debian/rules.parameters.tmp
	[ -e debian/rules.parameters ] \
	  && cmp -s debian/rules.parameters debian/rules.parameters.tmp \
	  && rm -f debian/rules.parameters.tmp && exit 0; \
	  mv debian/rules.parameters.tmp debian/rules.parameters; \
	  touch $(control_stamp)

symbols-files: control-file
ifeq ($(DEB_CROSS),yes)
  ifneq ($(DEB_STAGE),rtlibs)
	test -n "$(LS)"
	set -e; \
	for p in $$(dh_listpackages -i | grep '^lib'); do \
	  p=$${p%$(LS)}; \
	  if [ -f debian/$$p.symbols.$(DEB_TARGET_ARCH) ]; then \
	    f=debian/$$p.symbols.$(DEB_TARGET_ARCH); \
	  elif [ -f debian/$$p.symbols ]; then \
	    f=debian/$$p.symbols; \
	  else \
	    continue; \
	  fi; \
	  link=debian/$$p$(LS).symbols; \
	  if [ -L $$link ]; then \
	    echo >&2 "removing left over symbols file link: $$link"; \
	    rm -f $$link; \
	  fi; \
	  ln -s $$f $$link; \
	done
  endif
endif

versioned-files:
	fs=`echo debian/*BV* debian/*GCJ* debian/*CXX* debian/*LC* | sort -u`; \
	for f in $$fs debian/source.lintian-overrides.in; do \
	  [ -f $$f ] || echo "CANNOT FIND $$f"; \
	  [ -f $$f ] || continue; \
	  if [ -z "$(DEB_CROSS)" ]; then case "$$f" in *-CR*) continue; esac; fi; \
	  f2=$$(echo $$f \
		| sed 's/BV/$(BASE_VERSION)/;s/CXX/$(CXX_SONAME)/;s/LGCJ/$(PKG_LIBGCJ_EXT)/;s/GCJ/$(PKG_GCJ_EXT)/;s/LC/$(GCC_SONAME)/;s/-CRB/$(cross_bin_arch)/;s/\.in$$//'); \
	  sed -e 's/@BV@/$(BASE_VERSION)/g' \
	      -e 's/@CXX@/$(CXX_SONAME)/g' \
	      -e 's/@LGCJ@/$(PKG_LIBGCJ_EXT)/g' \
	      -e 's/@GCJ@/$(PKG_GCJ_EXT)/g' \
	      -e 's/@GCJSO@/$(GCJ_SONAME)/g' \
	      -e 's/@LC@/$(GCC_SONAME)/g' \
	      -e 's/@SRC@/$(PKGSOURCE)/g' \
	      -e 's/@GFDL@/$(if $(filter yes,$(GFDL_INVARIANT_FREE)),#)/g' \
	      -e 's/@java_priority@/$(java_priority)/g' \
	      -e 's/@gcc_priority@/$(subst .,,$(BASE_VERSION))/g' \
	      -e 's/@TARGET@/$(DEB_TARGET_GNU_TYPE)/g' \
	      -e 's/@TARGET_QUAL@/$(TARGET_QUAL)/g' \
	    $$f > $$f2; \
	  touch -r $$f $$f2; \
	done
	for t in ar nm ranlib; do \
	  sed "s/@BV@/$(BASE_VERSION)/g;s/@TOOL@/$$t/g" \
	    debian/gcc-XX-BV.1 > debian/gcc-$$t-$(BASE_VERSION).1; \
	done

# don't encode versioned build dependencies in the control file, but check
# these here instead.
check-versions:
	v=$$(dpkg-query -l dpkg-dev | awk '/^.i/ {print $$3}'); \
	if dpkg --compare-versions "$$v" lt "$(DPKGV)"; then \
	  echo "dpkg-dev (>= $(DPKGV)) required, found $$v"; \
	  exit 1; \
	fi
	v=$$(dpkg-query -l binutils binutils-multiarch 2>/dev/null | awk '/^.i/ {print $$3;exit}'); \
	if dpkg --compare-versions "$$v" lt "$(BINUTILSBDV)"; then \
	  echo "binutils (>= $(BINUTILSBDV)) required, found $$v"; \
	  exit 1; \
	fi

.PRECIOUS: $(stampdir)/%-stamp