mirror of
https://github.com/libretro/bsnes-libretro.git
synced 2024-11-23 17:09:44 +00:00
264 lines
6.3 KiB
Makefile
Executable File
264 lines
6.3 KiB
Makefile
Executable File
# disable built-in rules and variables
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MAKEFLAGS := Rr
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.SUFFIXES:
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# An empty variable to defeat make functions that trim whitespace.
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[empty] =
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[0-9] = 0 1 2 3 4 5 6 7 8 9
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[A-Z] = A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
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[a-z] = a b c d e f g h i j k l m n o p q r s t u v w x y z
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[markup] = ` ~ ! @ \# $$ % ^ & * ( ) - _ = + [ { ] } \ | ; : ' " , < . > / ?
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[all] = $([0-9]) $([A-Z]) $([a-z]) $([markup])
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[space] := $([empty]) $([empty])
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# platform detection
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ifeq ($(platform),)
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ifeq ($(OS),Windows_NT)
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platform := windows
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endif
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endif
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ifeq ($(platform),)
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uname := $(shell uname)
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ifeq ($(uname),)
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platform := windows
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else ifneq ($(findstring Windows,$(uname)),)
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platform := windows
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else ifneq ($(findstring NT,$(uname)),)
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platform := windows
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else ifneq ($(findstring Darwin,$(uname)),)
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platform := macos
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else ifneq ($(findstring Linux,$(uname)),)
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platform := linux
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else ifneq ($(findstring BSD,$(uname)),)
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platform := bsd
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else ifneq ($(findstring Haiku,$(uname)),)
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platform := haiku
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else
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$(error unknown platform, please specify manually.)
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endif
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endif
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# common commands
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ifeq ($(shell echo ^^),^)
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# cmd
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delete = $(info Deleting $1 ...) @del /q $(subst /,\,$1)
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rdelete = $(info Deleting $1 ...) @del /s /q $(subst /,\,$1) && if exist $(subst /,\,$1) (rmdir /s /q $(subst /,\,$1))
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else
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# sh
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delete = $(info Deleting $1 ...) @rm -f $1
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rdelete = $(info Deleting $1 ...) @rm -rf $1
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endif
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compiler.c = $(compiler) -x c -std=c11
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compiler.cpp = $(compiler) -x c++ -std=c++17
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compiler.objc = $(compiler) -x objective-c -std=c11
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compiler.objcpp = $(compiler) -x objective-c++ -std=c++17
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flags.c = -x c -std=c11
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flags.cpp = -x c++ -std=c++17
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flags.objc = -x objective-c -std=c11
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flags.objcpp = -x objective-c++ -std=c++17
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flags.deps = -MMD -MP -MF $(@:.o=.d)
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# compiler detection
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ifeq ($(compiler),)
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ifeq ($(platform),windows)
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compiler := g++
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compiler.cpp = $(compiler) -x c++ -std=gnu++17
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flags.cpp = -x c++ -std=gnu++17
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else ifeq ($(platform),macos)
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compiler := clang++
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else ifeq ($(platform),linux)
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compiler := g++
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else ifeq ($(platform),libnx)
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include $(DEVKITPRO)/libnx/switch_rules
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PORTLIBS := $(PORTLIBS_PATH)/switch
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PATH := $(PORTLIBS)/bin:$(PATH)
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LIBNX ?= $(DEVKITPRO)/libnx
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compiler = $(CC) -std=gnu11
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compiler.cpp = $(CXX) -std=gnu++17
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openmp = false
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else ifeq ($(platform),bsd)
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compiler := g++8
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else
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compiler := g++
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endif
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endif
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# build optimization levels
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ifeq ($(build),debug)
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flags += -Og -g -DBUILD_DEBUG
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else ifeq ($(build),stable)
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flags += -O1 -DBUILD_STABLE
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else ifeq ($(build),size)
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flags += -Os -DBUILD_SIZE
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else ifeq ($(build),release)
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flags += -O2 -DBUILD_RELEASE
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else ifeq ($(build),performance)
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flags += -O3 -DBUILD_PERFORMANCE
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endif
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# link-time optimization
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ifeq ($(lto),true)
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flags += -fwhole-program -flto -fno-fat-lto-objects
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options += -fwhole-program -flto=jobserver
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endif
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# openmp support
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ifeq ($(openmp),true)
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# macOS Xcode does not ship with OpenMP support
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ifneq ($(platform),macos)
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flags += -fopenmp
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options += -fopenmp
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endif
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endif
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# clang settings
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ifeq ($(findstring clang++,$(compiler)),clang++)
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flags += -fno-strict-aliasing -fwrapv -Wno-everything
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# gcc settings
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else ifeq ($(findstring g++,$(compiler)),g++)
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flags += -fno-strict-aliasing -fwrapv -Wno-trigraphs
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endif
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# windows settings
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ifeq ($(platform),windows)
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options += -mthreads -lpthread -lws2_32 -lole32
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options += $(if $(findstring g++,$(compiler)),-static -static-libgcc -static-libstdc++)
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options += $(if $(findstring true,$(console)),-mconsole,-mwindows)
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windres ?= windres
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endif
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# macos settings
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ifeq ($(platform),macos)
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flags += -stdlib=libc++
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options += -lc++ -lobjc
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endif
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# linux settings
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ifeq ($(platform),linux)
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options += -ldl
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endif
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# libnx settings
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ifeq ($(platform),libnx)
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flags += -D__SWITCH__=1 -DSWITCH -DHAVE_LIBNX
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endif
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# bsd settings
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ifeq ($(platform),bsd)
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flags += -I/usr/local/include
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options += -Wl,-rpath=/usr/local/lib
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options += -Wl,-rpath=/usr/local/lib/gcc8
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options += -lstdc++ -lm
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endif
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# haiku settings
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ifeq ($(platform),haiku)
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options += -lroot
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endif
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# threading support
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ifeq ($(threaded),true)
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ifneq ($(filter $(platform),linux bsd),)
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flags += -pthread
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options += -pthread -lrt
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endif
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endif
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# paths
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ifeq ($(object.path),)
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object.path := obj
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endif
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# rules
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default: all;
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nall.verbose:
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$(info Compiler Flags:)
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$(foreach n,$(sort $(call unique,$(flags))),$(if $(filter-out -I%,$n),$(info $([space]) $n)))
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$(info Linker Options:)
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$(foreach n,$(sort $(call unique,$(options))),$(if $(filter-out -l%,$n),$(info $([space]) $n)))
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%.o: $<
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$(info Compiling $< ...)
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@$(call compile)
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# function compile([arguments])
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compile = \
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$(strip \
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$(if $(filter %.c,$<), \
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$(compiler.c) $(flags.deps) $(flags) $1 -c $< -o $@ \
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,$(if $(filter %.cpp,$<), \
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$(compiler.cpp) $(flags.deps) $(flags) $1 -c $< -o $@ \
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)) \
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)
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# function rwildcard(directory, pattern)
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rwildcard = \
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$(strip \
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$(filter $(if $2,$2,%), \
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$(foreach f, \
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$(wildcard $1*), \
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$(eval t = $(call rwildcard,$f/)) \
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$(if $t,$t,$f) \
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) \
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) \
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)
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# function unique(source)
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unique = \
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$(eval __temp :=) \
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$(strip \
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$(foreach s,$1,$(if $(filter $s,$(__temp)),,$(eval __temp += $s))) \
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$(__temp) \
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)
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# function strtr(source, from, to)
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strtr = \
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$(eval __temp := $1) \
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$(strip \
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$(foreach c, \
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$(join $(addsuffix :,$2),$3), \
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$(eval __temp := \
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$(subst $(word 1,$(subst :, ,$c)),$(word 2,$(subst :, ,$c)),$(__temp)) \
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) \
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) \
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$(__temp) \
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)
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# function strupper(source)
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strupper = $(call strtr,$1,$([a-z]),$([A-Z]))
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# function strlower(source)
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strlower = $(call strtr,$1,$([A-Z]),$([a-z]))
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# function strlen(source)
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strlen = \
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$(eval __temp := $(subst $([space]),_,$1)) \
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$(words \
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$(strip \
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$(foreach c, \
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$([all]), \
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$(eval __temp := \
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$(subst $c,$c ,$(__temp)) \
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) \
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) \
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$(__temp) \
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) \
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)
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# function streq(source)
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streq = $(if $(filter-out xx,x$(subst $1,,$2)$(subst $2,,$1)x),,1)
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# function strne(source)
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strne = $(if $(filter-out xx,x$(subst $1,,$2)$(subst $2,,$1)x),1,)
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# prefix
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ifeq ($(platform),windows)
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prefix := $(subst $([space]),\$([space]),$(strip $(call strtr,$(LOCALAPPDATA),\,/)))
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else
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prefix := $(HOME)/.local
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endif
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