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gudzpoz / luajava

Lua for Java on Windows, Mac OS X, Linux, Android. 5.1, 5.2, 5.3, 5.4, LuaJ or LuaJIT.
https://gudzpoz.github.io/luajava/
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[QUESTION] How to cross-compile luajit.so library for Android on Windows? #118

Closed leasses closed 1 year ago

leasses commented 1 year ago

Hello gudzpoz, long time no see. I want to compile a Luajit for myself because I need to modify sources of Luajit to add some features like continue keyword, switch and case, etc.

So these days I did some research on it:

  1. Luajit cannot be compiled with the NDK of Android Studio which uses Android.mk or CMakeLists.txt. It means we can only compile it with gcc and make on Linux.
  2. But I have no any experience on how to install a Linux on my laptop. So I tried to make it with Visual Studio, but it gave me luajit.exe that is not the file I wanted.
  3. Luckily, I found some tools like Cygwin64, minGW can create a terminal with a Linux environment so that I can use make to cross-compile.
  4. I used the script in this repository(luajit/jni/scripts/build-android.sh) and set NDK_HOME to my local NDK directory, I also knew to add TARGET_SYS=linux. I will add a new comment to show the full modified script.
  5. All is done. I opened the Cygwin64 terminal and executed it, and it failed. But it only failed in building arm-v7a and i386. I will show you the full log in next comment.

Thanks!

leasses commented 1 year ago

The following is the full modified script:

#!/usr/bin/env sh
# From https://github.com/mjansson/lua_lib/blob/master/lua/luajit/build-android.sh
# Fixed https://github.com/LuaJIT/LuaJIT/issues/440#issuecomment-438809840
# From https://github.com/gudzpoz/luajava/blob/main/luajit/jni/scripts/build-android.sh
# Add sopport to Windows

# /cygdrive/c/Users/29169/Documents/AndroidProjects/Zuie/app/src/main/jni/luajit

LUAJIT=.

BUILD_DIR=$LUAJIT/lib

rm -rf $BUILD_DIR
mkdir -p $BUILD_DIR
rm *.a 1>/dev/null 2>/dev/null

HOST_OS=windows
TARGET_SYS=Linux

NDK=/cygdrive/c/Users/29169/AppData/Local/Android/Sdk/ndk/25.2.9519653
TOOLCHAIN=$NDK/toolchains/llvm/prebuilt/$HOST_OS-x86_64
NDKB=$TOOLCHAIN/bin
NDKAPI=19

echo "########## Building armv7-a ##########"
TARGET=armv7a-linux-androideabi
NDKP=$NDKB/${TARGET}-
NDKCC=$NDKB/${TARGET}${NDKAPI}-clang
NDKARCH="-march=armv7-a -mhard-float -mfpu=vfpv3-d16 -mfloat-abi=softfp -D_NDK_MATH_NO_SOFTFP=1 -marm -DNO_RTLD_DEFAULT=1"
make HOST_CC="gcc -m32 -I/usr/i686-linux-gnu/include" CROSS=$NDKP \
     STATIC_CC=$NDKCC DYNAMIC_CC="$NDKCC -fPIC" \
     TARGET_LD=$NDKCC TARGET_AR="$NDKB/llvm-ar rcus" TARGET_STRIP=$NDKB/llvm-strip \
     CFLAGS=-fPIC TARGET_FLAGS="$NDKARCH" TARGET_SYS="$TARGET_SYS" \
     clean
make HOST_CC="gcc -m32 -I/usr/i686-linux-gnu/include" CROSS=$NDKP \
     STATIC_CC=$NDKCC DYNAMIC_CC="$NDKCC -fPIC" \
     TARGET_LD=$NDKCC TARGET_AR="$NDKB/llvm-ar rcus" TARGET_STRIP=$NDKB/llvm-strip \
     CFLAGS=-fPIC TARGET_FLAGS="$NDKARCH" TARGET_SYS="$TARGET_SYS" \
     amalg
mkdir -p $BUILD_DIR/armeabi-v7a
mv $LUAJIT/src/libluajit.a $BUILD_DIR/armeabi-v7a/libluajit.a

echo "########## Building i686 ##########"
TARGET=i686-linux-android
NDKP=$NDKB/${TARGET}-
NDKCC=$NDKB/${TARGET}${NDKAPI}-clang
NDKARCH="-DNO_RTLD_DEFAULT=1"
make HOST_CC="gcc -m32 -I/usr/i686-linux-gnu/include" CROSS=$NDKP \
     STATIC_CC=$NDKCC DYNAMIC_CC="$NDKCC -fPIC" \
     TARGET_LD=$NDKCC TARGET_AR="$NDKB/llvm-ar rcus" TARGET_STRIP=$NDKB/llvm-strip \
     CFLAGS=-fPIC TARGET_FLAGS="$NDKARCH" TARGET_SYS="$TARGET_SYS" \
     clean
make HOST_CC="gcc -m32 -I/usr/i686-linux-gnu/include" CROSS=$NDKP \
     STATIC_CC=$NDKCC DYNAMIC_CC="$NDKCC -fPIC" \
     TARGET_LD=$NDKCC TARGET_AR="$NDKB/llvm-ar rcus" TARGET_STRIP=$NDKB/llvm-strip \
     CFLAGS=-fPIC TARGET_FLAGS="$NDKARCH" TARGET_SYS="$TARGET_SYS" \
     amalg
mkdir $BUILD_DIR/x86
mv $LUAJIT/src/libluajit.a $BUILD_DIR/x86/libluajit.a

NDKAPI=21

echo "########## Building arm64-v8a ##########"
TARGET=aarch64-linux-android
NDKP=$NDKB/${TARGET}-
NDKCC=$NDKB/${TARGET}${NDKAPI}-clang
NDKARCH="-DLJ_ABI_SOFTFP=0 -DLJ_ARCH_HASFPU=1 -DLUAJIT_ENABLE_GC64=1 -DNO_RTLD_DEFAULT=1"
make HOST_CC="gcc -m64" CROSS=$NDKP \
     STATIC_CC=$NDKCC DYNAMIC_CC="$NDKCC -fPIC" \
     TARGET_LD=$NDKCC TARGET_AR="$NDKB/llvm-ar rcus" TARGET_STRIP=$NDKB/llvm-strip \
     CFLAGS=-fPIC TARGET_FLAGS="$NDKARCH" TARGET_SYS="$TARGET_SYS" \
     clean
make HOST_CC="gcc -m64" CROSS=$NDKP \
     STATIC_CC=$NDKCC DYNAMIC_CC="$NDKCC -fPIC" \
     TARGET_LD=$NDKCC TARGET_AR="$NDKB/llvm-ar rcus" TARGET_STRIP=$NDKB/llvm-strip \
     CFLAGS=-fPIC TARGET_FLAGS="$NDKARCH" TARGET_SYS="$TARGET_SYS" \
     amalg
mkdir -p $BUILD_DIR/arm64-v8a
mv $LUAJIT/src/libluajit.a $BUILD_DIR/arm64-v8a/libluajit.a

echo "########## Building x86_64 ##########"
TARGET=x86_64-linux-android
NDKP=$NDKB/${TARGET}-
NDKCC=$NDKB/${TARGET}${NDKAPI}-clang
NDKARCH="-DLUAJIT_ENABLE_GC64=1 -DNO_RTLD_DEFAULT=1"
make HOST_CC="gcc -m64" CROSS=$NDKP \
     STATIC_CC=$NDKCC DYNAMIC_CC="$NDKCC -fPIC" \
     TARGET_LD=$NDKCC TARGET_AR="$NDKB/llvm-ar rcus" TARGET_STRIP=$NDKB/llvm-strip \
     CFLAGS=-fPIC TARGET_FLAGS="$NDKARCH" TARGET_SYS="$TARGET_SYS" \
     clean
make HOST_CC="gcc -m64" CROSS=$NDKP \
     STATIC_CC=$NDKCC DYNAMIC_CC="$NDKCC -fPIC" \
     TARGET_LD=$NDKCC TARGET_AR="$NDKB/llvm-ar rcus" TARGET_STRIP=$NDKB/llvm-strip \
     CFLAGS=-fPIC TARGET_FLAGS="$NDKARCH" TARGET_SYS="$TARGET_SYS" \
     amalg
mkdir -p $BUILD_DIR/x86_64
mv $LUAJIT/src/libluajit.a $BUILD_DIR/x86_64/libluajit.a

The following is the full log:

29169@DESKTOP-6HQ2M02 /cygdrive/c/Users/29169/Documents/AndroidProjects/Zuie/app/src/main/jni/luajit
$ sh build.sh
########## Building armv7-a ##########
make -C src clean
make[1]: Entering directory '/cygdrive/c/Users/29169/Documents/AndroidProjects/Zuie/app/src/main/jni/luajit/src'
rm -f luajit libluajit.a libluajit.so host/minilua.exe host/buildvm.exe lj_vm.S lj_bcdef.h lj_ffdef.h lj_libdef.h lj_recdef.h lj_folddef.h host/buildvm_arch.h luajit.h luajit_relver.txt jit/vmdef.lua *.o host/*.o *.obj *.lib *.exp *.dll *.exe *.manifest *.pdb *.ilk
make[1]: Leaving directory '/cygdrive/c/Users/29169/Documents/AndroidProjects/Zuie/app/src/main/jni/luajit/src'
==== Building LuaJIT 2.1 (amalgamation) ====
make -C src amalg
make[1]: Entering directory '/cygdrive/c/Users/29169/Documents/AndroidProjects/Zuie/app/src/main/jni/luajit/src'
make all "LJCORE_O=ljamalg.o"
make[2]: Entering directory '/cygdrive/c/Users/29169/Documents/AndroidProjects/Zuie/app/src/main/jni/luajit/src'
HOSTCC    host/minilua.o
In file included from /usr/include/sys/signal.h:23:0,
                 from /usr/include/signal.h:6,
                 from /usr/include/machine/setjmp.h:410,
                 from /usr/include/setjmp.h:10,
                 from host/minilua.c:39:
/usr/include/cygwin/signal.h:102:2: error: #error unimplemented for this target
 #error unimplemented for this target
  ^~~~~
In file included from /usr/include/sys/signal.h:379:0,
                 from /usr/include/signal.h:6,
                 from /usr/include/machine/setjmp.h:410,
                 from /usr/include/setjmp.h:10,
                 from host/minilua.c:39:
/usr/include/sys/ucontext.h:17:13: error: field ‘uc_mcontext’ has incomplete type
  mcontext_t uc_mcontext;
             ^~~~~~~~~~~
make[2]: *** [Makefile:715: host/minilua.o] Error 1
make[2]: Leaving directory '/cygdrive/c/Users/29169/Documents/AndroidProjects/Zuie/app/src/main/jni/luajit/src'
make[1]: *** [Makefile:619: amalg] Error 2
make[1]: Leaving directory '/cygdrive/c/Users/29169/Documents/AndroidProjects/Zuie/app/src/main/jni/luajit/src'
make: *** [Makefile:165: amalg] Error 2
mv: cannot stat './src/libluajit.a': No such file or directory
########## Building i686 ##########
make -C src clean
make[1]: Entering directory '/cygdrive/c/Users/29169/Documents/AndroidProjects/Zuie/app/src/main/jni/luajit/src'
rm -f luajit libluajit.a libluajit.so host/minilua.exe host/buildvm.exe lj_vm.S lj_bcdef.h lj_ffdef.h lj_libdef.h lj_recdef.h lj_folddef.h host/buildvm_arch.h luajit.h luajit_relver.txt jit/vmdef.lua *.o host/*.o *.obj *.lib *.exp *.dll *.exe *.manifest *.pdb *.ilk
make[1]: Leaving directory '/cygdrive/c/Users/29169/Documents/AndroidProjects/Zuie/app/src/main/jni/luajit/src'
==== Building LuaJIT 2.1 (amalgamation) ====
make -C src amalg
make[1]: Entering directory '/cygdrive/c/Users/29169/Documents/AndroidProjects/Zuie/app/src/main/jni/luajit/src'
make all "LJCORE_O=ljamalg.o"
make[2]: Entering directory '/cygdrive/c/Users/29169/Documents/AndroidProjects/Zuie/app/src/main/jni/luajit/src'
HOSTCC    host/minilua.o
In file included from /usr/include/sys/signal.h:23:0,
                 from /usr/include/signal.h:6,
                 from /usr/include/machine/setjmp.h:410,
                 from /usr/include/setjmp.h:10,
                 from host/minilua.c:39:
/usr/include/cygwin/signal.h:102:2: error: #error unimplemented for this target
 #error unimplemented for this target
  ^~~~~
In file included from /usr/include/sys/signal.h:379:0,
                 from /usr/include/signal.h:6,
                 from /usr/include/machine/setjmp.h:410,
                 from /usr/include/setjmp.h:10,
                 from host/minilua.c:39:
/usr/include/sys/ucontext.h:17:13: error: field ‘uc_mcontext’ has incomplete type
  mcontext_t uc_mcontext;
             ^~~~~~~~~~~
make[2]: *** [Makefile:715: host/minilua.o] Error 1
make[2]: Leaving directory '/cygdrive/c/Users/29169/Documents/AndroidProjects/Zuie/app/src/main/jni/luajit/src'
make[1]: *** [Makefile:619: amalg] Error 2
make[1]: Leaving directory '/cygdrive/c/Users/29169/Documents/AndroidProjects/Zuie/app/src/main/jni/luajit/src'
make: *** [Makefile:165: amalg] Error 2
mv: cannot stat './src/libluajit.a': No such file or directory
########## Building arm64-v8a ##########
make -C src clean
make[1]: Entering directory '/cygdrive/c/Users/29169/Documents/AndroidProjects/Zuie/app/src/main/jni/luajit/src'
rm -f luajit libluajit.a libluajit.so host/minilua.exe host/buildvm.exe lj_vm.S lj_bcdef.h lj_ffdef.h lj_libdef.h lj_recdef.h lj_folddef.h host/buildvm_arch.h luajit.h luajit_relver.txt jit/vmdef.lua *.o host/*.o *.obj *.lib *.exp *.dll *.exe *.manifest *.pdb *.ilk
make[1]: Leaving directory '/cygdrive/c/Users/29169/Documents/AndroidProjects/Zuie/app/src/main/jni/luajit/src'
==== Building LuaJIT 2.1 (amalgamation) ====
make -C src amalg
make[1]: Entering directory '/cygdrive/c/Users/29169/Documents/AndroidProjects/Zuie/app/src/main/jni/luajit/src'
make all "LJCORE_O=ljamalg.o"
make[2]: Entering directory '/cygdrive/c/Users/29169/Documents/AndroidProjects/Zuie/app/src/main/jni/luajit/src'
HOSTCC    host/minilua.o
HOSTLINK  host/minilua.exe
VERSION   luajit.h
DYNASM    host/buildvm_arch.h
HOSTCC    host/buildvm.o
HOSTCC    host/buildvm_asm.o
HOSTCC    host/buildvm_peobj.o
HOSTCC    host/buildvm_lib.o
HOSTCC    host/buildvm_fold.o
HOSTLINK  host/buildvm.exe
BUILDVM   lj_vm.S
ASM       lj_vm.o
BUILDVM   lj_ffdef.h
BUILDVM   lj_bcdef.h
BUILDVM   lj_folddef.h
BUILDVM   lj_recdef.h
BUILDVM   lj_libdef.h
CC        ljamalg.o
AR        libluajit.a
CC        luajit.o
BUILDVM   jit/vmdef.lua
DYNLINK   libluajit.so
LINK      luajit
OK        Successfully built LuaJIT
make[2]: Leaving directory '/cygdrive/c/Users/29169/Documents/AndroidProjects/Zuie/app/src/main/jni/luajit/src'
make[1]: Leaving directory '/cygdrive/c/Users/29169/Documents/AndroidProjects/Zuie/app/src/main/jni/luajit/src'
==== Successfully built LuaJIT 2.1 (amalgamation) ====
########## Building x86_64 ##########
make -C src clean
make[1]: Entering directory '/cygdrive/c/Users/29169/Documents/AndroidProjects/Zuie/app/src/main/jni/luajit/src'
rm -f luajit libluajit.a libluajit.so host/minilua.exe host/buildvm.exe lj_vm.S lj_bcdef.h lj_ffdef.h lj_libdef.h lj_recdef.h lj_folddef.h host/buildvm_arch.h luajit.h luajit_relver.txt jit/vmdef.lua *.o host/*.o *.obj *.lib *.exp *.dll *.exe *.manifest *.pdb *.ilk
make[1]: Leaving directory '/cygdrive/c/Users/29169/Documents/AndroidProjects/Zuie/app/src/main/jni/luajit/src'
==== Building LuaJIT 2.1 (amalgamation) ====
make -C src amalg
make[1]: Entering directory '/cygdrive/c/Users/29169/Documents/AndroidProjects/Zuie/app/src/main/jni/luajit/src'
make all "LJCORE_O=ljamalg.o"
make[2]: Entering directory '/cygdrive/c/Users/29169/Documents/AndroidProjects/Zuie/app/src/main/jni/luajit/src'
HOSTCC    host/minilua.o
HOSTLINK  host/minilua.exe
VERSION   luajit.h
DYNASM    host/buildvm_arch.h
HOSTCC    host/buildvm.o
HOSTCC    host/buildvm_asm.o
HOSTCC    host/buildvm_peobj.o
HOSTCC    host/buildvm_lib.o
HOSTCC    host/buildvm_fold.o
HOSTLINK  host/buildvm.exe
BUILDVM   lj_vm.S
ASM       lj_vm.o
BUILDVM   lj_ffdef.h
BUILDVM   lj_bcdef.h
BUILDVM   lj_folddef.h
BUILDVM   lj_recdef.h
BUILDVM   lj_libdef.h
CC        ljamalg.o
AR        libluajit.a
CC        luajit.o
BUILDVM   jit/vmdef.lua
DYNLINK   libluajit.so
LINK      luajit
OK        Successfully built LuaJIT
make[2]: Leaving directory '/cygdrive/c/Users/29169/Documents/AndroidProjects/Zuie/app/src/main/jni/luajit/src'
make[1]: Leaving directory '/cygdrive/c/Users/29169/Documents/AndroidProjects/Zuie/app/src/main/jni/luajit/src'
==== Successfully built LuaJIT 2.1 (amalgamation) ====