bsnes/nall/GNUmakefile

220 lines
5.2 KiB
Makefile

# disable built-in rules and variables
MAKEFLAGS := Rr
.SUFFIXES:
[0-9] = 0 1 2 3 4 5 6 7 8 9
[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
[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
[markup] = ` ~ ! @ \# $$ % ^ & * ( ) - _ = + [ { ] } \ | ; : ' " , < . > / ?
[all] = $([0-9]) $([A-Z]) $([a-z]) $([markup])
[space] :=
[space] +=
# platform detection
ifeq ($(platform),)
uname := $(shell uname)
ifeq ($(uname),)
platform := windows
else ifneq ($(findstring Windows,$(uname)),)
platform := windows
else ifneq ($(findstring NT,$(uname)),)
platform := windows
else ifneq ($(findstring Darwin,$(uname)),)
platform := macos
else ifneq ($(findstring Linux,$(uname)),)
platform := linux
else ifneq ($(findstring BSD,$(uname)),)
platform := bsd
else
$(error unknown platform, please specify manually.)
endif
# common commands
ifeq ($(uname),)
delete = $(info Deleting $1 ...) @del /q $(subst /,\,$1)
rdelete = $(info Deleting $1 ...) @del /s /q $(subst /,\,$1) && if exist $(subst /,\,$1) (rmdir /s /q $(subst /,\,$1))
else
delete = $(info Deleting $1 ...) @rm -f $1
rdelete = $(info Deleting $1 ...) @rm -rf $1
endif
endif
flags.c = -x c -std=c11
flags.cpp = -x c++ -std=c++14
flags.objc = -x objective-c -std=c11
flags.objcpp = -x objective-c++ -std=c++14
flags.deps = -MMD -MP -MF $(@:.o=.d)
# compiler detection
ifeq ($(compiler),)
ifeq ($(platform),windows)
compiler := g++
flags.cpp := -x c++ -std=gnu++14
else ifeq ($(platform),macos)
compiler := clang++
else ifeq ($(platform),linux)
compiler := g++
else ifeq ($(platform),bsd)
compiler := g++49
else
compiler := g++
endif
endif
# build optimization levels
ifeq ($(build),debug)
flags += -Og -DBUILD_DEBUG
else ifeq ($(build),stable)
flags += -O1 -DBUILD_STABLE
else ifeq ($(build),size)
flags += -Os -DBUILD_SIZE
else ifeq ($(build),release)
flags += -O2 -DBUILD_RELEASE
else ifeq ($(build),performance)
flags += -O3 -DBUILD_PERFORMANCE
endif
# link-time optimization
ifeq ($(lto),true)
flags += -fwhole-program -flto -fno-fat-lto-objects
options += -fwhole-program -flto=jobserver
endif
# openmp support
ifeq ($(openmp),true)
# macOS Xcode does not ship with OpenMP support
ifneq ($(platform),macos)
flags += -fopenmp
options += -fopenmp
endif
endif
# clang settings
ifeq ($(findstring clang++,$(compiler)),clang++)
flags += -fno-strict-aliasing -fwrapv -Wno-everything
# gcc settings
else ifeq ($(findstring g++,$(compiler)),g++)
flags += -fno-strict-aliasing -fwrapv
endif
# windows settings
ifeq ($(platform),windows)
options += -mthreads -lpthread -lws2_32 -lole32
options += $(if $(findstring g++,$(compiler)),-static -static-libgcc -static-libstdc++)
options += $(if $(findstring true,$(console)),-mconsole,-mwindows)
windres := windres
endif
# macos settings
ifeq ($(platform),macos)
flags += -stdlib=libc++
options += -lc++ -lobjc
endif
# linux settings
ifeq ($(platform),linux)
options += -ldl
endif
# bsd settings
ifeq ($(platform),bsd)
flags += -I/usr/local/include
options += -Wl,-rpath=/usr/local/lib
options += -Wl,-rpath=/usr/local/lib/gcc49
endif
# threading support
ifeq ($(threaded),true)
ifneq ($(filter $(platform),linux bsd),)
flags += -pthread
options += -pthread -lrt
endif
endif
# paths
prefix := $(HOME)/.local
object.path := obj
# rules
default: all;
nall.verbose:
$(info Compiler Flags:)
$(foreach n,$(sort $(call unique,$(flags))),$(if $(filter-out -I%,$n),$(info $([space]) $n)))
$(info Linker Options:)
$(foreach n,$(sort $(call unique,$(options))),$(if $(filter-out -l%,$n),$(info $([space]) $n)))
%.o: $<
$(info Compiling $< ...)
@$(call compile)
# function compile([arguments])
compile = \
$(strip \
$(if $(filter %.c,$<), \
$(compiler) $(flags.c) $(flags.deps) $(flags) $1 -c $< -o $@ \
,$(if $(filter %.cpp,$<), \
$(compiler) $(flags.cpp) $(flags.deps) $(flags) $1 -c $< -o $@ \
)) \
)
# function rwildcard(directory, pattern)
rwildcard = \
$(strip \
$(filter $(if $2,$2,%), \
$(foreach f, \
$(wildcard $1*), \
$(eval t = $(call rwildcard,$f/)) \
$(if $t,$t,$f) \
) \
) \
)
# function unique(source)
unique = \
$(eval __temp :=) \
$(strip \
$(foreach s,$1,$(if $(filter $s,$(__temp)),,$(eval __temp += $s))) \
$(__temp) \
)
# function strtr(source, from, to)
strtr = \
$(eval __temp := $1) \
$(strip \
$(foreach c, \
$(join $(addsuffix :,$2),$3), \
$(eval __temp := \
$(subst $(word 1,$(subst :, ,$c)),$(word 2,$(subst :, ,$c)),$(__temp)) \
) \
) \
$(__temp) \
)
# function strupper(source)
strupper = $(call strtr,$1,$([a-z]),$([A-Z]))
# function strlower(source)
strlower = $(call strtr,$1,$([A-Z]),$([a-z]))
# function strlen(source)
strlen = \
$(eval __temp := $(subst $([space]),_,$1)) \
$(words \
$(strip \
$(foreach c, \
$([all]), \
$(eval __temp := \
$(subst $c,$c ,$(__temp)) \
) \
) \
$(__temp) \
) \
)
# function streq(source)
streq = $(if $(filter-out xx,x$(subst $1,,$2)$(subst $2,,$1)x),,1)
# function strne(source)
strne = $(if $(filter-out xx,x$(subst $1,,$2)$(subst $2,,$1)x),1,)