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5ccae43552
The minimal-footprint Ada runtime for implementing library-like functionality in SPARK is now called "spark" runtime. The full Ada runtime for entire components written in Ada and using the libc as glue to the underlying system will move to the world repository as "ada" runtime. Issue #3144
256 lines
7.1 KiB
Makefile
256 lines
7.1 KiB
Makefile
#
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# Global build configuration variables
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#
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#
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# Read user-provided tools configuration
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#
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-include $(call select_from_repositories,etc/tools.conf)
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-include $(BUILD_BASE_DIR)/etc/tools.conf
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#
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# Set undefined CUSTOM_ tools to their default values
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#
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CUSTOM_CC ?= $(CROSS_DEV_PREFIX)gcc
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CUSTOM_CXX ?= $(CROSS_DEV_PREFIX)g++
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CUSTOM_CPP ?= $(CROSS_DEV_PREFIX)cpp
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CUSTOM_CXX_LIB ?= $(CUSTOM_CXX)
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CUSTOM_LD ?= $(CROSS_DEV_PREFIX)ld
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CUSTOM_AS ?= $(CROSS_DEV_PREFIX)as
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CUSTOM_AR ?= $(CROSS_DEV_PREFIX)ar
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CUSTOM_NM ?= $(CROSS_DEV_PREFIX)nm
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CUSTOM_OBJCOPY ?= $(CROSS_DEV_PREFIX)objcopy
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CUSTOM_RANLIB ?= $(CROSS_DEV_PREFIX)ranlib
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CUSTOM_STRIP ?= $(CROSS_DEV_PREFIX)strip
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CUSTOM_GNATBIND ?= $(CROSS_DEV_PREFIX)gnatbind
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CUSTOM_HOST_CC ?= gcc
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CUSTOM_ADA_CC ?= $(CUSTOM_CC)
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CUSTOM_ALI2DEP ?= echo " WARNING: ali2dep not used, get it from https://github.com/Componolit/ali2dep and make CUSTOM_ALI2DEP point to the binary." \#
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#
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# GNU utilities
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#
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# Non-Linux operating systems may have to install 'findutils'
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# to get the GNU versions of xargs and find.
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#
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TAC ?= tac
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GNU_FIND ?= find
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GNU_XARGS ?= xargs
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ECHO ?= echo -e
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#
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# Build tools
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#
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CC = $(CUSTOM_CC)
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CXX = $(CUSTOM_CXX)
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CPP = $(CUSTOM_CPP)
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LD = $(CUSTOM_LD)
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AS = $(CUSTOM_AS)
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AR = $(CUSTOM_AR)
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NM = $(CUSTOM_NM)
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OBJCOPY = $(CUSTOM_OBJCOPY)
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RANLIB = $(CUSTOM_RANLIB)
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STRIP = $(CUSTOM_STRIP)
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GNATBIND = $(CUSTOM_GNATBIND)
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HOST_CC = $(CUSTOM_HOST_CC)
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ADA_CC = $(CUSTOM_ADA_CC)
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ALI2DEP = $(CUSTOM_ALI2DEP)
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#
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# Compiler and Linker options
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#
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#
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# Options for automatically generating dependency files
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#
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# We specify the target for the generated dependency file explicitly via
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# the -MT option. Unfortunately, this option is handled differently by
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# different gcc versions. Older versions used to always append the object
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# file to the target. However, gcc-4.3.2 takes the -MT argument literally.
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# So we have to specify both the .o file and the .d file. On older gcc
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# versions, this results in the .o file to appear twice in the target
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# but that is no problem.
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#
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CC_OPT_DEP = -MMD -MP -MT '$@ $(@:.o=.d)'
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#
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# Always compile with '-ffunction-sections' to enable the use of the
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# linker option '-gc-sections'
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#
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CC_OPT += -ffunction-sections
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#
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# Prevent the compiler from optimizations related to strict aliasing
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#
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CC_OPT += -fno-strict-aliasing
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#
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# Do not compile/link with standard includes and standard libraries per
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# default.
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#
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ifneq ($(STDINC),yes)
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CC_OPT_NOSTDINC := -nostdinc
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endif
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ifneq ($(STDLIB),yes)
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LD_OPT_NOSTDLIB := -nostdlib -Wl,-nostdlib
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endif
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#
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# Add coverage options
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#
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# The directory for the coverage data (generated at runtime) is derived from
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# the current build directory and is going to look like
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#
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# '/genodelabs/bin/test-log_gcov/2018-11-13/gcov_data/test-log_gcov'
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#
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# to match the path where the gcov note files (generated at build time) are
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# stored in the depot package of the test program.
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#
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# If depot packages are not used, the path is going to look like
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#
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# '/gcov_data/test-log_gcov'
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#
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ifeq ($(COVERAGE),yes)
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ifneq ($(findstring /depot/,$(CURDIR)),)
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PROFILE_DIR = $(shell echo $(CURDIR) | \
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sed -e 's/^.*\/depot\//\//' \
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-e 's/\.build\/.*//')/gcov_data/$(TARGET)
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else
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PROFILE_DIR = /gcov_data/$(TARGET)
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endif
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CC_OPT += -fprofile-arcs -ftest-coverage -fprofile-dir=$(PROFILE_DIR)
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endif
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#
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# Enable the undefined behavior sanitizer if requested
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#
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ifeq ($(SANITIZE_UNDEFINED),yes)
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CC_OPT += -fsanitize=undefined
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endif
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#
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# Default optimization and warning levels
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#
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CC_OLEVEL ?= -O2
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CC_WARN ?= -Wall
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#
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# Additional warnings for C++
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#
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CC_CXX_WARN_STRICT ?= -Wextra -Weffc++ -Werror
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CC_CXX_WARN ?= $(CC_WARN) $(CC_CXX_WARN_STRICT)
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#
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# Aggregate compiler options that are common for C and C++
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#
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CC_OPT += $(CC_OPT_NOSTDINC) -g $(CC_MARCH) $(CC_OLEVEL) $(CC_OPT_DEP) $(CC_WARN)
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#
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# Incorporate source-file-specific compiler options
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#
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# The make variable $* refers to the currently processed compilation
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# unit when 'CC_OPT' gets implicitly expanded by the rules '%.o: %.c'
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# and '%.o: %.cc' of 'generic.mk'.
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#
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# We substitute '.' characters by '_' to allow source-file-specific
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# compiler options for files with more than one dot in their name.
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#
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CC_OPT += $(CC_OPT_$(subst .,_,$*))
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#
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# Build program position independent as well
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#
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CC_OPT_PIC ?= -fPIC
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CC_OPT += $(CC_OPT_PIC)
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#
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# Predefine C and C++ specific compiler options with their common values
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#
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CC_CXX_OPT += $(CC_OPT) $(CC_CXX_WARN)
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CC_C_OPT += $(CC_OPT)
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CC_ADA_OPT += $(filter-out -fno-builtin-cos -fno-builtin-sin -fno-builtin-cosf -fno-builtin-sinf ,$(CC_OPT)) -fexceptions
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#
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# Rust-specific arguments
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#
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# Use the correct linker, include dependencies.
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#
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CC_RUSTC_OPT += -C linker=$(LD)
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CC_RUSTC_OPT += $(foreach lib,$(LIBS),-L$(LIB_CACHE_DIR)/$(lib))
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#
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# Enable C++11 by default
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#
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# We substitute '.' characters by '_' to allow a source-file-specific
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# C++ standard option for files with more than one dot in their name.
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#
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CC_CXX_OPT_STD ?= -std=gnu++11
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CC_CXX_OPT += $(lastword $(CC_CXX_OPT_STD) $(CC_CXX_OPT_STD_$(subst .,_,$*)))
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#
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# Linker options
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#
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# Use '-gc-sections' by default but allow a platform to disable this feature by
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# defining 'LD_GC_SECTIONS' empty. This is needed for older tool chains (gcc
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# version 4.11 and binutils version 2.16), which happen to produce broken
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# code when '-gc-sections' is enabled. Also, set max-page-size to 4KiB to
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# prevent the linker from aligning the text segment to any built-in default
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# (e.g., 4MiB on x86_64 or 64KiB on ARM). Otherwise, the padding bytes are
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# wasted at the beginning of the final binary.
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#
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LD_OPT_GC_SECTIONS ?= -gc-sections
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LD_OPT_ALIGN_SANE = -z max-page-size=0x1000
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LD_OPT_PREFIX := -Wl,
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LD_OPT += $(LD_MARCH) $(LD_OPT_GC_SECTIONS) $(LD_OPT_ALIGN_SANE)
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CXX_LINK_OPT += $(addprefix $(LD_OPT_PREFIX),$(LD_OPT))
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CXX_LINK_OPT += $(LD_OPT_NOSTDLIB)
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#
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# Linker script for dynamically linked programs
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#
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LD_SCRIPT_DYN = $(BASE_DIR)/src/ld/genode_dyn.ld
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#
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# Linker script for shared libraries
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#
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LD_SCRIPT_SO ?= $(BASE_DIR)/src/ld/genode_rel.ld
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#
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# Assembler options
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#
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AS_OPT += $(AS_MARCH)
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#
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# Control sequences for color terminals
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#
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# To disable colored output, define these variable empty in your
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# build-local 'etc/tools.conf' file.
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#
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BRIGHT_COL ?= \033[01;33m
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DARK_COL ?= \033[00;33m
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DEFAULT_COL ?= \033[0m
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ALL_INC_DIR := .
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ALL_INC_DIR += $(INC_DIR)
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ALL_INC_DIR += $(foreach DIR,$(REP_INC_DIR), $(foreach REP,$(REPOSITORIES),$(REP)/$(DIR)))
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ALL_INC_DIR += $(foreach REP,$(REPOSITORIES),$(REP)/include)
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ALL_INC_DIR += $(LIBGCC_INC_DIR)
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ALL_INC_DIR += $(HOST_INC_DIR)
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VERBOSE ?= @
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VERBOSE_DIR ?= --no-print-directory
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MSG_LINK ?= @$(ECHO) " LINK "
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MSG_COMP ?= @$(ECHO) " COMPILE "
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MSG_BUILD ?= @$(ECHO) " BUILD "
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MSG_RENAME ?= @$(ECHO) " RENAME "
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MSG_MERGE ?= @$(ECHO) " MERGE "
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MSG_CONVERT ?= @$(ECHO) " CONVERT "
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MSG_CONFIG ?= @$(ECHO) " CONFIG "
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MSG_CLEAN ?= @$(ECHO) " CLEAN "
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MSG_ASSEM ?= @$(ECHO) " ASSEMBLE "
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MSG_INST ?= @$(ECHO) " INSTALL "
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MSG_PRG ?= @$(ECHO) "$(BRIGHT_COL) Program $(DEFAULT_COL)"
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MSG_LIB ?= @$(ECHO) "$(DARK_COL) Library $(DEFAULT_COL)"
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