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default boolean options #755

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20 changes: 17 additions & 3 deletions Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,20 @@ ifeq ($(OUTPUT_DIR),)
OUTPUT_DIR = bin
endif

# set the variable named in the parameter depending on its value
# if it has a value:
# substitute ON/Y/y with 1, OFF/N/n with 0
# else
# if the variable is not defined (origin is 'undefined')
# set it to 0
# else
# set it to 1
bool_arg = $(subst y,1,$(subst n,0,$(subst Y,1,$(subst N,0,$(subst OFF,0,$(subst ON,1,$(if $($(1)),$($(1)),$(shell echo $(origin $(1))|sed 's/undefined/0/g'|sed 's/[^0].*/1/g'))))))))

override NXDK_ONLY := $(call bool_arg,NXDK_ONLY)
override DEBUG := $(call bool_arg,DEBUG)
override LTO := $(call bool_arg,LTO)

UNAME_S := $(shell uname -s)
UNAME_M := $(shell uname -m)

Expand Down Expand Up @@ -43,14 +57,14 @@ FP20COMPILER = $(NXDK_DIR)/tools/fp20compiler/fp20compiler
EXTRACT_XISO = $(NXDK_DIR)/tools/extract-xiso/build/extract-xiso
TOOLS = cxbe vp20compiler fp20compiler extract-xiso

ifeq ($(DEBUG),y)
ifneq ($(DEBUG),0)
NXDK_ASFLAGS += -g -gdwarf-4
NXDK_CFLAGS += -g -gdwarf-4
NXDK_CXXFLAGS += -g -gdwarf-4
NXDK_LDFLAGS += -debug
endif

ifeq ($(LTO),y)
ifneq ($(LTO),0)
NXDK_ASFLAGS += -flto
NXDK_CFLAGS += -flto
NXDK_CXXFLAGS += -flto
Expand All @@ -60,7 +74,7 @@ ifneq ($(GEN_XISO),)
TARGET += $(GEN_XISO)
endif

ifneq ($(NXDK_ONLY),)
ifneq ($(NXDK_ONLY),1)
NXDK_CXX = y
NXDK_SDL = y
TARGET = main.exe
Expand Down