include VERSION

ifndef JAVA_HOME
$(warning It is preferable to set the JAVA_HOME environment variable)
$(warning Trying to auto-detect JAVA_HOME)

$(info Value : $(shell $(which javac)))
JAVA_HOME := $(shell dirname $(dirname $(readlink -f $(which javac))))
endif

$(info Using JAVA_HOME with value "$(JAVA_HOME)")
JAVA  := "$(JAVA_HOME)/bin/java"
JAVAC := "$(JAVA_HOME)/bin/javac"
JAVAH := "$(JAVA_HOME)/bin/javah"

TARGET := target
SRC:=src/main/java
OSINFO_CLASS := org.sqlite.util.OSInfo
OSINFO_PROG := lib/org/sqlite/util/OSInfo.class
JAVA_CLASSPATH:=$(TARGET)/classpath/slf4j-api.jar

## building OSInfo.java
ifeq ("$(wildcard $(OSINFO_PROG))","")
$(info Building OSInfo tool)
$(shell mkdir -p $(TARGET)/classpath)
$(shell curl -L -f -o$(JAVA_CLASSPATH) https://search.maven.org/remotecontent?filepath=org/slf4j/slf4j-api/1.7.36/slf4j-api-1.7.36.jar)
$(shell $(JAVAC) -cp $(JAVA_CLASSPATH) -sourcepath $(SRC) -d lib src/main/java/org/sqlite/util/OSInfo.java)
endif

ifndef OS_NAME
OS_NAME := $(shell $(JAVA) -cp lib:$(JAVA_CLASSPATH) $(OSINFO_CLASS) --os)
endif
ifndef OS_ARCH
OS_ARCH := $(shell $(JAVA) -cp lib:$(JAVA_CLASSPATH) $(OSINFO_CLASS) --arch)
endif

# Windows uses different path separators
ifeq ($(OS_NAME),Windows)
	sep := ;
else
	sep := :
endif

sqlite := sqlite-$(version)

ifdef JAVA_HOME
jni_h := $(shell find "$(JAVA_HOME)" -name jni.h)
ifneq ($(jni_h),)
jni_include := $(shell dirname "$(jni_h)")
endif

jni_md := $(shell find "$(JAVA_HOME)" -name jni_md.h)
ifneq ($(jni_md),)
jni_md_include := $(shell dirname "$(jni_md)")
endif
endif

# os=Default is meant to be generic unix/linux

known_targets := Linux-x86 Linux-x86_64 Linux-Musl-x86 Linux-Musl-x86_64 Linux-Musl-aarch64 Linux-arm Linux-armv6 Linux-armv7 Linux-aarch64 Linux-Android-arm Linux-Android-aarch64 Linux-Android-x86 Linux-Android-x86_64 Linux-ppc64 Mac-x86 Mac-x86_64 Mac-aarch64 DragonFly-x86_64 FreeBSD-x86 FreeBSD-x86_64 FreeBSD-aarch64 OpenBSD-x86_64 Windows-x86 Windows-x86_64 Windows-armv7 Windows-aarch64 SunOS-sparcv9 HPUX-ia64_32
target := $(OS_NAME)-$(OS_ARCH)

ifeq (,$(findstring $(strip $(target)),$(known_targets)))
  target := Default
endif

$(info Will build using target: $(target) (detected os: $(OS_NAME), arch: $(OS_ARCH)))

# cross-compilation toolchain prefix (e.g. "arm-linux-gnueabi-")
CROSS_PREFIX :=

Default_CC        := $(CROSS_PREFIX)gcc
Default_STRIP     := $(CROSS_PREFIX)strip
Default_CCFLAGS   := -I$(JAVA_HOME)/include -Ilib/inc_linux -Os -fPIC -fvisibility=hidden -std=gnu11 -march=native
Default_LINKFLAGS := -shared -static-libgcc -pthread -lm
Default_LIBNAME   := libsqlitejdbc.so
Default_SQLITE_FLAGS  := 

Linux-x86_CC        := $(CROSS_PREFIX)gcc
Linux-x86_STRIP     := $(CROSS_PREFIX)strip
Linux-x86_CCFLAGS   := -I$(JAVA_HOME)/include -Ilib/inc_linux -Os -fPIC -m32 -fvisibility=hidden -msse4.2 -maes
Linux-x86_LINKFLAGS := $(Default_LINKFLAGS)
Linux-x86_LIBNAME   := libsqlitejdbc.so
Linux-x86_SQLITE_FLAGS  := 

Linux-x86_64_CC        := $(CROSS_PREFIX)gcc
Linux-x86_64_STRIP     := $(CROSS_PREFIX)strip
Linux-x86_64_CCFLAGS   := -Ilib/inc_linux -I$(JAVA_HOME)/include -Os -fPIC -m64 -fvisibility=hidden -msse4.2 -maes
Linux-x86_64_LINKFLAGS := $(Default_LINKFLAGS)
Linux-x86_64_LIBNAME   := libsqlitejdbc.so
Linux-x86_64_SQLITE_FLAGS  := 

Linux-Musl-x86_64_CC        := $(CROSS_PREFIX)gcc
Linux-Musl-x86_64_STRIP     := $(CROSS_PREFIX)strip
Linux-Musl-x86_64_CCFLAGS   := -Ilib/inc_linux -I$(JAVA_HOME)/include -Os -fPIC -m64 -fvisibility=hidden -msse4.2 -maes
Linux-Musl-x86_64_LINKFLAGS := -shared -static-libgcc
Linux-Musl-x86_64_LIBNAME   := libsqlitejdbc.so
Linux-Musl-x86_64_SQLITE_FLAGS  :=

Linux-Musl-x86_CC        := $(CROSS_PREFIX)gcc
Linux-Musl-x86_STRIP     := $(CROSS_PREFIX)strip
Linux-Musl-x86_CCFLAGS   := -Ilib/inc_linux -I$(JAVA_HOME)/include -Os -fPIC -m32 -fvisibility=hidden -msse4.2 -maes
Linux-Musl-x86_LINKFLAGS := -shared -static-libgcc
Linux-Musl-x86_LIBNAME   := libsqlitejdbc.so
Linux-Musl-x86_SQLITE_FLAGS  :=

Linux-arm_CC          := $(CROSS_PREFIX)gcc
Linux-arm_STRIP       := $(CROSS_PREFIX)strip
Linux-arm_CCFLAGS     := -I$(JAVA_HOME)/include -Ilib/inc_linux -Os -fPIC -mfloat-abi=soft -fvisibility=hidden -std=gnu11 -march=armv5t
Linux-arm_LINKFLAGS   := $(Default_LINKFLAGS)
Linux-arm_LIBNAME     := libsqlitejdbc.so
Linux-arm_SQLITE_FLAGS  :=

Linux-armv6_CC        := $(CROSS_PREFIX)gcc
Linux-armv6_STRIP     := $(CROSS_PREFIX)strip
Linux-armv6_CCFLAGS   := -I$(JAVA_HOME)/include -Ilib/inc_linux -Os -mfloat-abi=hard -mfpu=vfp -fPIC -fvisibility=hidden -std=gnu11 -march=armv6
Linux-armv6_LINKFLAGS := $(Default_LINKFLAGS)
Linux-armv6_LIBNAME   := libsqlitejdbc.so
Linux-armv6_SQLITE_FLAGS  :=

Linux-armv7_CC        := $(CROSS_PREFIX)gcc
Linux-armv7_STRIP     := $(CROSS_PREFIX)strip
Linux-armv7_CCFLAGS   := -I$(JAVA_HOME)/include -Ilib/inc_linux -Os -mfloat-abi=hard -mfpu=vfp -fPIC -fvisibility=hidden -std=gnu11 -march=armv7-a
Linux-armv7_LINKFLAGS := $(Default_LINKFLAGS)
Linux-armv7_LIBNAME   := libsqlitejdbc.so
Linux-armv7_SQLITE_FLAGS  :=

Linux-aarch64_CC        := $(CROSS_PREFIX)gcc
Linux-aarch64_STRIP     := $(CROSS_PREFIX)strip
Linux-aarch64_CCFLAGS   := -I$(JAVA_HOME)/include -Ilib/inc_linux -Os -fPIC -fvisibility=hidden -std=gnu11 -march=armv8-a
Linux-aarch64_LINKFLAGS := -shared -static-libgcc
Linux-aarch64_LIBNAME   := libsqlitejdbc.so
Linux-aarch64_SQLITE_FLAGS  :=

Linux-Musl-aarch64_CC        := $(CROSS_PREFIX)gcc
Linux-Musl-aarch64_STRIP     := $(CROSS_PREFIX)strip
Linux-Musl-aarch64_CCFLAGS   := -I$(JAVA_HOME)/include -Ilib/inc_linux -Os -fPIC -fvisibility=hidden -std=gnu11 -march=armv8-a
Linux-Musl-aarch64_LINKFLAGS := -shared -static-libgcc
Linux-Musl-aarch64_LIBNAME   := libsqlitejdbc.so
Linux-Musl-aarch64_SQLITE_FLAGS  :=

Linux-Android-arm_CC        := $(CROSS_PREFIX)clang
Linux-Android-arm_STRIP     := $(CROSS_ROOT)/bin/llvm-strip
Linux-Android-arm_CCFLAGS   := -I$(JAVA_HOME)/include -Ilib/inc_linux -I$(CROSS_ROOT)/sysroot/usr/include -Os -fPIC -fvisibility=hidden -fPIE -pie -lm -lc -landroid -ldl -llog
Linux-Android-arm_LINKFLAGS := $(Default_LINKFLAGS) -Wl,-soname,libsqlitejdbc.so
Linux-Android-arm_LIBNAME   := libsqlitejdbc.so
Linux-Android-arm_SQLITE_FLAGS  :=

Linux-Android-aarch64_CC        := $(CROSS_PREFIX)clang
Linux-Android-aarch64_STRIP     := $(CROSS_ROOT)/bin/llvm-strip
Linux-Android-aarch64_CCFLAGS   := -I$(JAVA_HOME)/include -Ilib/inc_linux -I$(CROSS_ROOT)/sysroot/usr/include -Os -fPIC -fvisibility=hidden -fPIE -pie -lm -lc -landroid -ldl -llog
Linux-Android-aarch64_LINKFLAGS := $(Default_LINKFLAGS) -Wl,-soname,libsqlitejdbc.so
Linux-Android-aarch64_LIBNAME   := libsqlitejdbc.so
Linux-Android-aarch64_SQLITE_FLAGS  :=

Linux-Android-x86_CC        := $(CROSS_PREFIX)clang
Linux-Android-x86_STRIP     := $(CROSS_ROOT)/bin/llvm-strip
Linux-Android-x86_CCFLAGS   := -I$(JAVA_HOME)/include -Ilib/inc_linux -I$(CROSS_ROOT)/sysroot/usr/include -Os -fPIC -fvisibility=hidden -fPIE -pie -lm -lc -landroid -ldl -llog -msse4.2 -maes
Linux-Android-x86_LINKFLAGS := $(Default_LINKFLAGS) -Wl,-soname,libsqlitejdbc.so
Linux-Android-x86_LIBNAME   := libsqlitejdbc.so
Linux-Android-x86_SQLITE_FLAGS  :=

Linux-Android-x86_64_CC        := $(CROSS_PREFIX)clang
Linux-Android-x86_64_STRIP     := $(CROSS_ROOT)/bin/llvm-strip
Linux-Android-x86_64_CCFLAGS   := -I$(JAVA_HOME)/include -Ilib/inc_linux -I$(CROSS_ROOT)/sysroot/usr/include -Os -fPIC -fvisibility=hidden -fPIE -pie -lm -lc -landroid -ldl -llog -msse4.2 -maes
Linux-Android-x86_64_LINKFLAGS := $(Default_LINKFLAGS) -Wl,-soname,libsqlitejdbc.so
Linux-Android-x86_64_LIBNAME   := libsqlitejdbc.so
Linux-Android-x86_64_SQLITE_FLAGS  :=

Linux-ppc64_CC        := $(CROSS_PREFIX)gcc
Linux-ppc64_STRIP     := $(CROSS_PREFIX)strip
Linux-ppc64_CCFLAGS   := -I$(JAVA_HOME)/include -Ilib/inc_linux -Os -fPIC -fvisibility=hidden -std=gnu11
Linux-ppc64_LINKFLAGS := $(Default_LINKFLAGS)
Linux-ppc64_LIBNAME   := libsqlitejdbc.so
Linux-ppc64_SQLITE_FLAGS  :=

DragonFly-x86_64_CC        := $(CROSS_PREFIX)cc
DragonFly-x86_64_STRIP     := $(CROSS_PREFIX)strip
DragonFly-x86_64_CCFLAGS   := -I$(JAVA_HOME)/include -Ilib/inc_linux -O2 -fPIC -fvisibility=hidden
DragonFly-x86_64_LINKFLAGS := -shared
DragonFly-x86_64_LIBNAME   := libsqlitejdbc.so
DragonFly-x86_64_SQLITE_FLAGS  :=

FreeBSD-x86_CC        := $(CROSS_PREFIX)clang
FreeBSD-x86_STRIP     := $(CROSS_PREFIX)strip
FreeBSD-x86_CCFLAGS   := -I$(JAVA_HOME)/include -Ilib/inc_linux -Os -fPIC -fvisibility=hidden -msse4.2 -maes
FreeBSD-x86_LINKFLAGS := -shared
FreeBSD-x86_LIBNAME   := libsqlitejdbc.so
FreeBSD-x86_SQLITE_FLAGS  :=

FreeBSD-x86_64_CC        := $(CROSS_PREFIX)clang
FreeBSD-x86_64_STRIP     := $(CROSS_PREFIX)strip
FreeBSD-x86_64_CCFLAGS   := -I$(JAVA_HOME)/include -Ilib/inc_linux -Os -fPIC -fvisibility=hidden -msse4.2 -maes
FreeBSD-x86_64_LINKFLAGS := -shared
FreeBSD-x86_64_LIBNAME   := libsqlitejdbc.so
FreeBSD-x86_64_SQLITE_FLAGS  :=

FreeBSD-aarch64_CC        := $(CROSS_PREFIX)clang
FreeBSD-aarch64_STRIP     := $(CROSS_PREFIX)strip
FreeBSD-aarch64_CCFLAGS   := -I$(JAVA_HOME)/include -Ilib/inc_linux -Os -fPIC -fvisibility=hidden
FreeBSD-aarch64_LINKFLAGS := -shared
FreeBSD-aarch64_LIBNAME   := libsqlitejdbc.so
FreeBSD-aarch64_SQLITE_FLAGS  :=

OpenBSD-x86_64_CC        := $(CROSS_PREFIX)gcc
OpenBSD-x86_64_STRIP     := $(CROSS_PREFIX)strip
OpenBSD-x86_64_CCFLAGS   := -I$(JAVA_HOME)/include -Ilib/inc_linux -Os -fPIC -fvisibility=hidden -msse4.2 -maes
OpenBSD-x86_64_LINKFLAGS := -shared
OpenBSD-x86_64_LIBNAME   := libsqlitejdbc.so
OpenBSD-x86_64_SQLITE_FLAGS  := 

SunOS-sparcv9_CC        := $(CROSS_PREFIX)gcc
SunOS-sparcv9_STRIP     := $(CROSS_PREFIX)strip
SunOS-sparcv9_CCFLAGS   := -I$(JAVA_HOME)/include -Ilib/inc_linux -O2s -fPIC -m64 -fvisibility=hidden -march=native
SunOS-sparcv9_LINKFLAGS := -shared -static-libgcc
SunOS-sparcv9_LIBNAME   := libsqlitejdbc.so
SunOS-sparcv9_SQLITE_FLAGS  := 

Mac-x86_CC        := gcc
Mac-x86_STRIP     := strip -x
Mac-x86_CCFLAGS    := -I$(JAVA_HOME)/include -Ilib/inc_mac -Os -fPIC -mmacosx-version-min=10.4 -fvisibility=hidden -msse4.2 -maes
Mac-x86_LINKFLAGS := -dynamiclib
Mac-x86_LIBNAME   := libsqlitejdbc.dylib
Mac-x86_SQLITE_FLAGS  := -DSQLITE_ENABLE_LOCKING_STYLE=0

HPUX-ia64_32_CC			:= cc
HPUX-ia64_32_STRIP		:= strip
HPUX-ia64_32_CCFLAGS	:= -Ilib/inc_linux +Osize +z -Bhidden -march=native
HPUX-ia64_32_LINKFLAGS	:= -b
HPUX-ia64_32_LIBNAME	:= libsqlitejdbc.so
HPUX-ia64_32_SQLITE_FLAGS :=

Mac-x86_64_CC        := gcc -arch $(OS_ARCH) 
Mac-x86_64_STRIP     := strip -x
MAC_SDK := /Developer/SDKs/MacOSX10.10.sdk
ifeq ($(wildcard MAC_SDK),)
	MAC_SDK := /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.12.sdk
endif
Mac-x86_64_CCFLAGS    := -I$(MAC_SDK)/System/Library/Frameworks/JavaVM.framework/Headers -Ilib/inc_mac -Os -fPIC -mmacosx-version-min=10.6 -fvisibility=hidden -msse4.2 -maes -Wno-implicit-function-declaration
Mac-x86_64_LINKFLAGS := -dynamiclib -framework Security
Mac-x86_64_LIBNAME   := libsqlitejdbc.dylib
Mac-x86_64_SQLITE_FLAGS  := 

# Use a CROSS_PREFIX as the cross-triple clang is not available in crossbuild, see https://github.com/multiarch/crossbuild/blob/ad79cc84b6fb3fb1d09bc4a78719ef26f23bab85/Dockerfile#L134
# When running on a M1 mac, CROSS_PREFIX will be empty, and 'make native' can still build
Mac-aarch64_CC        := $(CROSS_PREFIX)clang
Mac-aarch64_STRIP     := $(CROSS_PREFIX)strip -x
MAC_SDK := /usr/osxcross/SDK/MacOSX11.3.sdk
Mac-aarch64_CCFLAGS    := -I$(MAC_SDK)/System/Library/Frameworks/JavaVM.framework/Headers -Ilib/inc_mac -Os -fPIC -mmacosx-version-min=10.9 -fvisibility=hidden -Wno-implicit-function-declaration
Mac-aarch64_LINKFLAGS  := -dynamiclib -framework Security
Mac-aarch64_LIBNAME    := libsqlitejdbc.dylib
Mac-aarch64_SQLITE_FLAGS := 

Windows-x86_CC           := $(CROSS_PREFIX)gcc
Windows-x86_STRIP        := $(CROSS_PREFIX)strip
Windows-x86_CCFLAGS      := -D_JNI_IMPLEMENTATION_ -Ilib/inc_win -Os -msse4.2 -maes
Windows-x86_LINKFLAGS    := -Wl,--kill-at -shared -static-libgcc
Windows-x86_LIBNAME      := sqlitejdbc.dll
Windows-x86_SQLITE_FLAGS := 

Windows-x86_64_CC           := $(CROSS_PREFIX)gcc
Windows-x86_64_STRIP        := $(CROSS_PREFIX)strip
Windows-x86_64_CCFLAGS      := -D_JNI_IMPLEMENTATION_ -Ilib/inc_win -Os -msse4.2 -maes
Windows-x86_64_LINKFLAGS    := -Wl,--kill-at -shared -static-libgcc
Windows-x86_64_LIBNAME      := sqlitejdbc.dll
Windows-x86_64_SQLITE_FLAGS :=

Windows-armv7_CC           := $(CROSS_PREFIX)clang
Windows-armv7_STRIP        := $(CROSS_PREFIX)strip
Windows-armv7_CCFLAGS      := -D_JNI_IMPLEMENTATION_ -Ilib/inc_win -Os
Windows-armv7_LINKFLAGS    := -Wl,--kill-at -shared -static-libgcc
Windows-armv7_LIBNAME      := sqlitejdbc.dll
Windows-armv7_SQLITE_FLAGS :=

Windows-aarch64_CC           := $(CROSS_PREFIX)clang
Windows-aarch64_STRIP        := $(CROSS_PREFIX)strip
Windows-aarch64_CCFLAGS      := -D_JNI_IMPLEMENTATION_ -Ilib/inc_win -Os
Windows-aarch64_LINKFLAGS    := -Wl,--kill-at -shared -static-libgcc
Windows-aarch64_LIBNAME      := sqlitejdbc.dll
Windows-aarch64_SQLITE_FLAGS :=


CC        := $($(target)_CC)
STRIP     := $($(target)_STRIP)
CCFLAGS   := $($(target)_CCFLAGS) 
LINKFLAGS := $($(target)_LINKFLAGS) 
LIBNAME   := $($(target)_LIBNAME)
SQLITE_FLAGS := $($(target)_SQLITE_FLAGS)
SQLITE_AMAL_PREFIX = sqlite-amalgamation-$(shell ./amalgamation_version.sh $(version))
SQLITE_OLD_AMAL_PREFIX = sqlite-amalgamation-$(subst .,_,$(version))
CCFLAGS := $(CCFLAGS) 
ifneq ($(jni_include),)
CCFLAGS := $(CCFLAGS) -I"$(jni_include)"
endif
ifneq ($(jni_md_include),)
CCFLAGS := $(CCFLAGS) -I"$(jni_md_include)"
endif