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# This Makefile fragment (since dpkg 1.19.0) defines the following variables
# for host tools:
#
# AS: assembler (since dpkg 1.19.1).
# CPP: C preprocessor.
# CC: C compiler.
# CXX: C++ compiler.
# OBJC: Objective C compiler.
# OBJCXX: Objective C++ compiler.
# F77: Fortran 77 compiler.
# FC: Fortran 9x compiler.
# LD: linker.
# STRIP: strip objects (since dpkg 1.19.1).
# OBJCOPY: copy objects (since dpkg 1.19.1).
# OBJDUMP: dump objects (since dpkg 1.19.1).
# NM: names lister (since dpkg 1.19.1).
# AR: archiver (since dpkg 1.19.1).
# RANLIB: archive index generator (since dpkg 1.19.1).
# PKG_CONFIG: pkg-config tool.
# QMAKE: Qt build system generator (since dpkg 1.20.0).
#
# All the above variables have a counterpart variable for the build tool,
# as in CC → CC_FOR_BUILD.
#
# The variables are not exported by default. This can be changed by
# defining DPKG_EXPORT_BUILDTOOLS.
ifndef dpkg_buildtools_mk_included
dpkg_buildtools_mk_included = yes
dpkg_datadir ?= $(dir $(lastword $(MAKEFILE_LIST)))
include $(dpkg_datadir)/architecture.mk
# We set the TOOL_FOR_BUILD variables to the specified value, and the TOOL
# variables (for the host) to their triplet-prefixed form iff they are
# not defined or contain the make built-in defaults. On native builds if
# TOOL is defined and TOOL_FOR_BUILD is not, we fallback to use TOOL.
define dpkg_buildtool_setvar
ifeq (,$(filter $(3),$(DEB_BUILD_OPTIONS)))
ifneq (,$(filter default undefined,$(origin $(1))))
$(1) = $(DEB_HOST_GNU_TYPE)-$(2)
endif
# On native build fallback to use TOOL if that's defined.
ifeq (undefined,$(origin $(1)_FOR_BUILD))
ifeq ($(DEB_BUILD_GNU_TYPE),$(DEB_HOST_GNU_TYPE))
$(1)_FOR_BUILD = $$($(1))
else
$(1)_FOR_BUILD = $(DEB_BUILD_GNU_TYPE)-$(2)
endif
endif
else
$(1) = :
$(1)_FOR_BUILD = :
endif
ifdef DPKG_EXPORT_BUILDTOOLS
export $(1)
export $(1)_FOR_BUILD
endif
endef
$(eval $(call dpkg_buildtool_setvar,AS,as))
$(eval $(call dpkg_buildtool_setvar,CPP,gcc -E))
$(eval $(call dpkg_buildtool_setvar,CC,gcc))
$(eval $(call dpkg_buildtool_setvar,CXX,g++))
$(eval $(call dpkg_buildtool_setvar,OBJC,gcc))
$(eval $(call dpkg_buildtool_setvar,OBJCXX,g++))
$(eval $(call dpkg_buildtool_setvar,F77,gfortran))
$(eval $(call dpkg_buildtool_setvar,FC,gfortran))
$(eval $(call dpkg_buildtool_setvar,LD,ld))
$(eval $(call dpkg_buildtool_setvar,STRIP,strip,nostrip))
$(eval $(call dpkg_buildtool_setvar,OBJCOPY,objcopy))
$(eval $(call dpkg_buildtool_setvar,OBJDUMP,objdump))
$(eval $(call dpkg_buildtool_setvar,NM,nm))
$(eval $(call dpkg_buildtool_setvar,AR,ar))
$(eval $(call dpkg_buildtool_setvar,RANLIB,ranlib))
$(eval $(call dpkg_buildtool_setvar,PKG_CONFIG,pkgconf))
$(eval $(call dpkg_buildtool_setvar,QMAKE,qmake))
endif # dpkg_buildtools_mk_included
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