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Makefile

#
# Makefile for building the NIF
#
# Makefile targets:
#
# all build and install the NIF
# clean clean build products and intermediates
#
# Variables to override:
#
# MIX_APP_PATH path to the build directory
#
# CC The C compiler
# CROSSCOMPILE crosscompiler prefix, if any
# CFLAGS compiler flags for compiling all C files
# LDFLAGS linker flags for linking all binaries
# ERL_CFLAGS additional compiler flags for files using Erlang header files
# ERL_EI_INCLUDE_DIR include path to header files (Possibly required for crosscompile)
#
SRC = c_src/sqlite3_nif.c
CFLAGS = -I"$(ERTS_INCLUDE_DIR)"
ifeq ($(EXQLITE_USE_SYSTEM),)
SRC += c_src/sqlite3.c
CFLAGS += -Ic_src
else
ifneq ($(EXQLITE_SYSTEM_LDFLAGS),)
LDFLAGS += $(EXQLITE_SYSTEM_LDFLAGS)
else
# best attempt to link the system library
# if the user didn't supply it in the environment
LDFLAGS += -lsqlite3
endif
endif
ifneq ($(DEBUG),)
CFLAGS += -g
else
CFLAGS += -DNDEBUG=1 -O2
endif
KERNEL_NAME := $(shell uname -s)
ifneq ($(findstring android,$(CC_PRECOMPILER_CURRENT_TARGET)),)
CROSSCOMPILE ?= Android
endif
PREFIX = $(MIX_APP_PATH)/priv
BUILD = $(MIX_APP_PATH)/obj
LIB_NAME = $(PREFIX)/sqlite3_nif.so
ARCHIVE_NAME = $(PREFIX)/sqlite3_nif.a
OBJ = $(SRC:c_src/%.c=$(BUILD)/%.o)
ifneq ($(CROSSCOMPILE),)
ifeq ($(CROSSCOMPILE), Android)
CFLAGS:=$(filter-out -O2,$(CFLAGS))
CFLAGS += -fPIC -Os -z global
LDFLAGS += -fPIC -shared -lm
else ifeq ($(findstring linux,$(CROSSCOMPILE)),linux)
CFLAGS:=$(filter-out -O2,$(CFLAGS))
CFLAGS += -fPIC -Os -fvisibility=hidden
LDFLAGS += -fPIC -shared
else
CFLAGS += -fPIC -fvisibility=hidden
LDFLAGS += -fPIC -shared
endif
else
ifeq ($(KERNEL_NAME), Linux)
CFLAGS += -fPIC -fvisibility=hidden
LDFLAGS += -fPIC -shared
endif
ifeq ($(KERNEL_NAME), Darwin)
CFLAGS += -fPIC
LDFLAGS += -dynamiclib -undefined dynamic_lookup
endif
ifeq (MINGW, $(findstring MINGW,$(KERNEL_NAME)))
CFLAGS += -fPIC
LDFLAGS += -fPIC -shared
LIB_NAME = $(PREFIX)/sqlite3_nif.dll
endif
ifeq ($(KERNEL_NAME), $(filter $(KERNEL_NAME),OpenBSD FreeBSD NetBSD SunOS))
CFLAGS += -fPIC
LDFLAGS += -fPIC -shared
endif
endif
# ########################
# COMPILE TIME DEFINITIONS
# ########################
# For more information about these features being enabled, check out
# --> https://sqlite.org/compile.html
CFLAGS += -DSQLITE_THREADSAFE=1
CFLAGS += -DSQLITE_USE_URI=1
CFLAGS += -DSQLITE_LIKE_DOESNT_MATCH_BLOBS=1
CFLAGS += -DSQLITE_DQS=0
CFLAGS += -DHAVE_USLEEP=1
# TODO: The following features should be completely configurable by the person
# installing the nif. Just need to have certain environment variables
# enabled to support them.
CFLAGS += -DALLOW_COVERING_INDEX_SCAN=1
CFLAGS += -DENABLE_FTS3_PARENTHESIS=1
CFLAGS += -DENABLE_LOAD_EXTENSION=1
CFLAGS += -DENABLE_SOUNDEX=1
CFLAGS += -DENABLE_STAT4=1
CFLAGS += -DENABLE_UPDATE_DELETE_LIMIT=1
CFLAGS += -DSQLITE_ENABLE_FTS3=1
CFLAGS += -DSQLITE_ENABLE_FTS4=1
CFLAGS += -DSQLITE_ENABLE_FTS5=1
CFLAGS += -DSQLITE_ENABLE_GEOPOLY=1
CFLAGS += -DSQLITE_ENABLE_MATH_FUNCTIONS=1
CFLAGS += -DSQLITE_ENABLE_RBU=1
CFLAGS += -DSQLITE_ENABLE_RTREE=1
CFLAGS += -DSQLITE_OMIT_DEPRECATED=1
CFLAGS += -DSQLITE_ENABLE_DBSTAT_VTAB=1
# Add any extra flags set in the environment
ifneq ($(EXQLITE_SYSTEM_CFLAGS),)
CFLAGS += $(EXQLITE_SYSTEM_CFLAGS)
endif
# Set Erlang-specific compile flags
ifeq ($(CC_PRECOMPILER_CURRENT_TARGET),armv7l-linux-gnueabihf)
ERL_CFLAGS ?= -I"$(PRECOMPILE_ERL_EI_INCLUDE_DIR)"
else
ERL_CFLAGS ?= -I"$(ERL_EI_INCLUDE_DIR)"
endif
ifneq ($(STATIC_ERLANG_NIF),)
CFLAGS += -DSTATIC_ERLANG_NIF=1
endif
ifeq ($(STATIC_ERLANG_NIF),)
all: $(PREFIX) $(BUILD) $(LIB_NAME)
else
all: $(PREFIX) $(BUILD) $(ARCHIVE_NAME)
endif
$(BUILD)/%.o: c_src/%.c
@echo " CC $(notdir $@)"
$(CC) -c $(ERL_CFLAGS) $(CFLAGS) -MMD -MP -o $@ $<
# Include dependency files for automatic header tracking
-include $(OBJ:.o=.d)
$(LIB_NAME): $(OBJ)
@echo " LD $(notdir $@)"
$(CC) -o $@ $^ $(LDFLAGS)
$(ARCHIVE_NAME): $(OBJ)
@echo " AR $(notdir $@)"
$(AR) -rv $@ $^
$(PREFIX) $(BUILD):
mkdir -p $@
clean:
$(RM) $(LIB_NAME) $(ARCHIVE_NAME) $(OBJ) $(OBJ:.o=.d)
.PHONY: all clean
# Don't echo commands unless the caller exports "V=1"
${V}.SILENT: