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glazer

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Erlang NIF JSON encoder/decoder using the glaze C++ library

Retired package: Deprecated - Deprecated
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glazer c_src Makefile
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c_src/Makefile 

CURDIR   := $(shell pwd)

BASEDIR	 := $(abspath $(dir $(CURDIR)))

CXX      ?= g++

PRIV_DIR ?= $(if $(REBAR_BARE_COMPILER_OUTPUT_DIR),$(REBAR_BARE_COMPILER_OUTPUT_DIR),$(BASEDIR))/priv

OBJ_DIR  ?= $(BASEDIR)/obj

DEBUG    ?= 0



SRC      := glaze_nif.cpp

OBJ      := $(OBJ_DIR)/glaze_nif.o

TARGET   := $(PRIV_DIR)/glazer.so



ERL_ERTS_INCLUDE := $(shell erl -noshell -noinput \

  -eval "io:format(\"~ts/erts-~ts/include\",[code:root_dir(),erlang:system_info(version)]),halt(0).")

ERL_EI_INCLUDE   := $(shell erl -noshell -noinput \

  -eval "io:format(\"~ts\",[code:lib_dir(erl_interface,include)]),halt(0).")

ERL_EI_LIB       := $(shell erl -noshell -noinput \

  -eval "io:format(\"~ts\",[code:lib_dir(erl_interface,lib)]),halt(0).")



CXXFLAGS := -std=c++23 -fPIC -Wall -finline-functions \

            -I$(ERL_ERTS_INCLUDE) -I$(ERL_EI_INCLUDE) -I.



# Detect compiler family for LTO flags.

# AppleClang uses ld64 which handles thin-LTO natively — no -fuse-ld=lld.

# Upstream Clang on Linux emits LLVM bitcode that requires lld.

# GCC uses -flto=auto with GNU ld/gold.

CXX_ID := $(shell $(CXX) --version 2>&1 | head -1)

ifneq ($(findstring Apple,$(CXX_ID)),)

  LTO_FLAGS  := -flto=thin

  LINK_FLAGS :=

else ifneq ($(findstring clang,$(CXX_ID)),)

  LTO_FLAGS  := -flto=thin

  LINK_FLAGS := -fuse-ld=lld

else

  LTO_FLAGS  := -flto=auto -fno-fat-lto-objects

  LINK_FLAGS :=

endif



ifeq ($(DEBUG),1)

  CXXFLAGS += -O0 -g

else

  CXXFLAGS += -O3 -DNDEBUG -march=native -mtune=native $(LTO_FLAGS)

  LDFLAGS  += $(LINK_FLAGS)

endif



LDFLAGS += -shared -L$(ERL_EI_LIB) -lei

ifeq ($(shell uname -s),Darwin)

  LDFLAGS += -undefined dynamic_lookup

endif



.PHONY: all clean



all: $(TARGET)



$(TARGET): $(OBJ) | $(PRIV_DIR)

	$(CXX) $(OBJ) $(LDFLAGS) -o $@



$(OBJ): $(SRC) | $(OBJ_DIR)

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



$(PRIV_DIR) $(OBJ_DIR):

	@mkdir -p $@



clean:

	rm -f $(OBJ) $(TARGET)