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localize

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Localization (parsing, formatting) of numbers, dates/time/calendar, units of measure, messages and lists. Includes localized collation.

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localize c_src Makefile
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c_src/Makefile 

ERL ?= erl

BASEDIR=$(CURDIR)

PRIVDIR=./priv



NIF_DIR=c_src

NIF_ENV=c_src/env.mk



NIF_SOURCES=$(NIF_DIR)/localize_nif.cpp

NIF_OBJS=$(NIF_DIR)/localize_nif.o

NIF_SO=$(PRIVDIR)/localize_nif.so



UNAME_SYS := $(shell uname -s)

UNAME_ARCH := $(shell uname -p)



ifeq ($(UNAME_SYS), Darwin)

	ifeq ($(UNAME_ARCH), arm)

		CXX ?= c++

		CXXFLAGS = -O3 -std=c++17 -arch arm64 -Wall

		LDFLAGS = -arch arm64 -flat_namespace -undefined dynamic_lookup

	else

		CXX ?= c++

		CXXFLAGS = -O3 -std=c++17 -arch x86_64 -Wall

		LDFLAGS = -arch x86_64 -flat_namespace -undefined dynamic_lookup

	endif

else ifeq ($(UNAME_SYS), FreeBSD)

	CXX ?= c++

	CXXFLAGS ?= -O3 -std=c++17 -finline-functions -Wall

else ifeq ($(UNAME_SYS), Linux)

	CXX ?= g++

	CXXFLAGS ?= -O3 -std=c++17 -finline-functions -Wall

endif



CXXFLAGS += -fPIC -I$(ERTS_INCLUDE_DIR) -I$(ERL_INTERFACE_INCLUDE_DIR)



# On OTP 23 and later, liberl_interface.a doesn't exist and

# isn't required

ifneq ("$(wildcard $(ERL_INTERFACE_LIB_DIR)/liberl_interface.a)","")

    LDLIBS += -L$(ERL_INTERFACE_LIB_DIR) -lerl_interface -lei

else

    LDLIBS += -L$(ERL_INTERFACE_LIB_DIR) -lei

endif



LDFLAGS += -shared



# ICU detection: MF2 requires icu-uc and icu-i18n

# On macOS with Homebrew, we need to set PKG_CONFIG_PATH since icu4c is keg-only

ifeq ($(UNAME_SYS), Darwin)

  HOMEBREW_ICU_DIR := $(shell [ -d /usr/local/opt/icu4c/lib/pkgconfig ] && echo /usr/local/opt/icu4c/lib/pkgconfig || ([ -d /opt/homebrew/opt/icu4c/lib/pkgconfig ] && echo /opt/homebrew/opt/icu4c/lib/pkgconfig || echo ""))

  ifneq ($(HOMEBREW_ICU_DIR),)

    export PKG_CONFIG_PATH := $(HOMEBREW_ICU_DIR):$(PKG_CONFIG_PATH)

  endif

endif



ICU_CFLAGS = $(shell pkg-config --cflags icu-uc icu-i18n 2>/dev/null)

ICU_LIBS = $(shell pkg-config --libs icu-uc icu-i18n 2>/dev/null)



ifeq ($(ICU_LIBS),)

  ifeq ($(UNAME_SYS), Darwin)

    # Fallback: try to find Homebrew ICU directly

    HOMEBREW_ICU := $(shell [ -d /usr/local/opt/icu4c ] && echo /usr/local/opt/icu4c || ([ -d /opt/homebrew/opt/icu4c ] && echo /opt/homebrew/opt/icu4c || echo ""))

    ifneq ($(HOMEBREW_ICU),)

      ICU_CFLAGS = -I$(HOMEBREW_ICU)/include

      ICU_LIBS = -L$(HOMEBREW_ICU)/lib -licuuc -licui18n -licudata -lstdc++

    endif

  endif

endif



ifeq ($(ICU_LIBS),)

  $(error ICU libraries not found. Install ICU 75+ with MF2 support. On macOS: brew install icu4c)

endif



all: $(NIF_ENV) $(NIF_SO)



clean:

	@rm -rf $(NIF_SO) $(NIF_OBJS)



distclean: clean

	@rm -rf $(NIF_ENV)



$(NIF_SO): $(NIF_OBJS)

	@mkdir -p $(PRIVDIR)

	$(CXX) $(NIF_OBJS) $(LDFLAGS) $(LDLIBS) $(ICU_LIBS) -o $(NIF_SO)



%.o: %.cpp

	$(CXX) -c $(CXXFLAGS) $(ICU_CFLAGS) $< -o $@



$(NIF_ENV):

	@$(ERL) -eval "file:write_file(\"$(NIF_ENV)\", \

		io_lib:format( \

		\"ERTS_INCLUDE_DIR ?= ~s/erts-~s/include/~n\" \

		\"ERL_INTERFACE_INCLUDE_DIR ?= ~s~n\" \

		\"ERL_INTERFACE_LIB_DIR ?= ~s~n\", \

		[code:root_dir(), erlang:system_info(version), \

		code:lib_dir(erl_interface, include), \

		code:lib_dir(erl_interface, lib)])), \

		halt()."



-include $(NIF_ENV)