mirror of
https://github.com/izzy2lost/Torch.git
synced 2026-07-06 00:18:35 -07:00
Added Makefile
This commit is contained in:
KiritoDv
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# =============================================================================
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# Cool Makefile for CMake Projects
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# =============================================================================
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#
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# A Makefile that makes configuring and building CMake projects really simple.
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# =============================================================================
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# Functions
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# =============================================================================
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define to_lower_case
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$(shell echo $(1) | tr '[:upper:]' '[:lower:]')
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endef
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define find_in_list
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$(shell resolved_value=$$(for candidate in $(2); do \
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if [ "$(call to_lower_case,$(1))" = "$$(echo $$candidate | tr '[:upper:]' '[:lower:]')" ]; then \
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echo $$candidate; \
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fi; \
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done); \
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echo "$${resolved_value:-$(1)}";)
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endef
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define exists_in_list
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$(shell resolved_value=$$(for candidate in $(2); do \
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if [ "$(call to_lower_case,$(1))" = "$$(echo $$candidate | tr '[:upper:]' '[:lower:]')" ]; then \
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echo true; \
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fi; \
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done); \
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echo "$${resolved_value:-false}";)
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endef
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# =============================================================================
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# Variables
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# =============================================================================
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project_name:=?
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project_lang:=?
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type:=debug
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generator:=$(shell if [ -x "$$(which ninja)" ]; then echo "Ninja"; else echo "Unix Makefiles"; fi)
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build_path:=$(shell if [ "$(call to_lower_case,$(generator))" = "xcode" ]; then echo "xcode-build"; else echo "cmake-build-$(call to_lower_case,$(type))"; fi)
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# =============================================================================
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# Constants
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# =============================================================================
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override cores:=$(shell if [ "$$(uname)" = "Darwin" ]; then sysctl -n hw.ncpu; elif [ "$$(uname)" = "Linux" ]; then nproc --all; else echo 1; fi)
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override valid_generators:="Unix Makefiles" "Ninja" "Xcode"
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override valid_types:=Release Debug RelWithDebInfo MinSizeRel
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override debug_types:=Debug RelWithDebInfo
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override cmake_build_type_arg:=$(call find_in_list,$(type),$(valid_types))
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override cmake_generator_arg:=$(call find_in_list,$(generator),$(valid_generators))
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override is_debug:=$(call exists_in_list,$(type),$(debug_types))
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# =============================================================================
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# Utility targets
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# =============================================================================
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# All targets are phony in this Makefile
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.PHONY : $(shell egrep "^[A-Za-z0-9_-]+\:([^\=]|$$)" $(lastword $(MAKEFILE_LIST)) | sed -E 's/(.*):.*/\1/g')
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# Default target is build
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all: build
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#: Displays this message
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help:
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@echo "Usage:"
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@echo
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@echo " make type=<build type> generator=<generator> <target>"
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@echo
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@echo "Targets:"
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@egrep -B1 "^[A-Za-z0-9_-]+\:([^\=]|$$)" $(lastword $(MAKEFILE_LIST)) \
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| grep -v -- -- \
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| sed 'N;s/\n/###/' \
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| sed -n 's/^#: \(.*\)###\(.*\):.*/ \2###\1/p' \
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| column -t -s '###'
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#: List available build types
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list-types:
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@for type in $(valid_types); do echo $$type; done
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#: List available generators
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list-generators:
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@for generator in $(valid_generators); do echo $$generator; done;
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validate-type:
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ifneq ($(cmake_build_type_arg),$(filter $(cmake_build_type_arg),$(valid_types)))
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@echo "Invalid build type: $(cmake_build_type_arg). Valid types are:" >&2;
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@for type in $(valid_types); do echo - $$type >&2; done
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@exit 1;
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else ifeq ($(strip $(cmake_build_type_arg)),)
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@echo "Empty build type. Valid types are:" >&2;
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@for type in $(valid_types); do echo - $$type >&2; done
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@exit 1;
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else
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@:
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endif
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validate-generator:
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ifneq ("$(cmake_generator_arg)",$(filter "$(cmake_generator_arg)",$(valid_generators)))
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@echo "Unsupported generator: $(cmake_generator_arg). Valid generators are:" >&2;
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@for generator in $(valid_generators); do echo - $$generator >&2; done;
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@exit 1;
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else ifeq ($(strip $(cmake_generator_arg)),)
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@echo "Empty CMake generator. Valid generators are:" >&2;
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@for generator in $(valid_generators); do echo - $$generator >&2; done;
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@exit 1;
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else
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@:
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endif
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# =============================================================================
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# Build targets
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# =============================================================================
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#: Delete the build path for the currently selected type and generator
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clean: validate-type
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@rm -rf "./$(build_path)";
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#: Delete all build paths for all types and generators
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clean-all:
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@for generator in $(valid_generators); do \
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for type in $(valid_types); do \
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$(MAKE) generator="$$generator" type=$$type clean; \
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done; \
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done;
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#: Initialise an empty CMake project
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init:
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@if [ ! -f CMakeLists.txt ]; then \
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project_name=$(project_name); \
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if [ "$$project_name" = "?" ]; then \
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read -p "Enter project name: " project_name; \
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fi; \
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project_lang=$(project_lang); \
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if [ "$$project_lang" = "?" ]; then \
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read -p "Enter project language (c|cpp): " project_lang; \
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fi; \
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project_lang=$$(echo $$project_lang | tr '[:upper:]' '[:lower:]' | sed -E -e 's/^(c\+\+|cxx)$$/cpp/'); \
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if [ "$$project_lang" = "c" ]; then \
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echo "#include \"stdio.h\"\n\nint main() {\n\tprintf(\"%s\", \"hello, world!\");\n\treturn 0;\n}\n" >$$project_name.$$project_lang; \
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elif [ "$$project_lang" = "cpp" ]; then \
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echo "#include <iostream>\n\nint main() {\n\tstd::cout << \"hello, world!\" << std::endl;\n\treturn 0;\n}\n" >$$project_name.$$project_lang; \
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else \
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echo "Unsupported language type" >&2; \
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exit 1; \
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fi; \
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echo "project($$project_name)\n\nadd_executable($$project_name $$project_name.$$project_lang)\n\n" >CMakeLists.txt; \
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fi;
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#: Configure the project for the selected type and generator
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configure: validate-type validate-generator init
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ifeq ($(cmake_generator_arg), Xcode)
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@cmake -S . -B $(build_path) \
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-G "$(cmake_generator_arg)";
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else
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@cmake -S . -B $(build_path) \
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-DCMAKE_BUILD_TYPE=$(cmake_build_type_arg) \
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-G "$(cmake_generator_arg)";
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endif
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#: Build the project for the selected type and generator
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build: configure
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ifeq ($(cmake_generator_arg), Xcode)
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@cmake --build $(build_path) --config $(cmake_build_type_arg);
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else
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@cmake --build $(build_path) -- -j$(cores);
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endif
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#: Install the project for the selected type and generator
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install: build
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ifeq ($(cmake_generator_arg), Xcode)
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@cmake --install $(build_path) --config $(cmake_build_type_arg);
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else
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@cmake --install $(build_path);
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endif
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#: Run the application
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run: build
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@app_name=$$(cmake -S . -B "$(build_path)" --trace 2>&1 \
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| egrep -i add_executable \
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| sort -r \
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| head -n 1 \
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| sed -E 's/.*add_executable.[[:space:]]*([A-Za-z0-9\\"_\.+-]+)[[:space:]].*/\1/'); \
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if [ "$(call to_lower_case,$(generator))" = "xcode" ]; then \
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cd $(build_path)/$(cmake_build_type_arg) && ./$$app_name; \
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else \
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cd $(build_path) && ./$$app_name; \
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fi
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@echo "\nProcessed finished with exit code $$?"
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# =============================================================================
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# Makefile debugging targets
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# =============================================================================
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list-variables:
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@echo $(foreach \
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v, \
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$(.VARIABLES), \
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$(if \
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$(filter file, $(origin $(v))), \
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\\n$(v)=$($(v)), \
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$(if \
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$(filter command line, $(origin $(v))), \
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\\n$(v)=$($(v)), \
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$(if \
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$(filter override, $(origin $(v))), \
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\\n$(v)=$($(v)))))) | egrep -v '^$$' | egrep -v '=\s*$$' | sort
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list-targets:
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@egrep "^[A-Za-z0-9_-]+\:([^\=]|$$)" $(lastword $(MAKEFILE_LIST)) | sed -E 's/(.*):.*/\1/g' | sort
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