[cfe-dev] Building Lua with Clang on Windows 10

[Zachary Turner via cfe-dev]

If you’re trying to build a 32-bit lua, pass -m32 for all clang
invocations.  If you’re trying to build a 64-bit lua, pass -m64 instead.
That should hopefully fix it.

Also, cross posting between Lia and clang mailing lists... This is a new
one :)

On Fri, Jan 10, 2020 at 10:22 PM Russell Haley via cfe-dev <
cfe-dev at lists.llvm.org> wrote:

>
>
> On Fri, Jan 10, 2020 at 10:01 PM Russell Haley <russ.haley at gmail.com>
> wrote:
>
>> Hi,
>>
>> I'm taking a shot at building Lua with Clang on Windows and I'm stalled
>> out on modifying the standard Lua makefile. I've tried both the GNU Win32
>> Make (3.8.1) and Digital Mars Make (It came with DLang). All the below work
>> is with GNU Make.
>>
>> To modify the Makefile for Windows, I changed CC = clang. Then I've
>> replaced *.o with *.obj in the file and created a new target called clang
>> which looks like this (full modified makefile here:
>> https://pastebin.com/BXGvrPiD)
>>
>> clang:
>> $(MAKE) "LUA_A=lua53.dll" "LUA_T=lua.exe" \
>> "AR=lib" \
>> "SYSCFLAGS=-DLUA_BUILD_AS_DLL" "SYSLIBS=" "SYSLDFLAGS=-s" lua.exe
>> $(MAKE) "LUAC_T=luac.exe" luac.exe
>>
>> mingw:
>> $(MAKE) "LUA_A=lua53.dll" "LUA_T=lua.exe" \
>> "AR=$(CC) -shared -o" "RANLIB=strip --strip-unneeded" \
>> "SYSCFLAGS=-DLUA_BUILD_AS_DLL" "SYSLIBS=" "SYSLDFLAGS=-s" lua.exe
>> $(MAKE) "LUAC_T=luac.exe" luac.exe
>>
>> The above is my attempt to modify the mingw target which I have also
>> included for reference. I've tried the clang target with -shared and -o
>> left in and removed, both with no success. This is the result of my latest
>> attempt with -shared and -o left in:
>>
>> C:\Users\russh\lua\lua-5.3.5\src> make clang
>> make "LUA_A=lua53.dll" "LUA_T=lua.exe" \
>>         "AR=clang -std=gnu99 -shared -o" \
>>         "AR=lib -shared -o" \
>>         "SYSCFLAGS=-DLUA_BUILD_AS_DLL" "SYSLIBS=" "SYSLDFLAGS=-s" lua.exe
>> make[1]: Entering directory `C:/Users/russh/lua/lua-5.3.5/src'
>> lib -shared -o lua53.dll lapi.obj lcode.obj lctype.obj ldebug.obj ldo.obj
>> ldump.obj lfunc.obj lgc.obj llex.obj lmem.obj lobject.obj lopcodes.obj
>> lparser.obj lstate.obj lstring.obj ltable.obj ltm.obj lundump.obj lvm.obj
>> lzio.obj lauxlib.obj lbaselib.obj lbitlib.obj lcorolib.obj ldblib.obj
>> liolib.obj lmathlib.obj loslib.obj lstrlib.obj ltablib.obj lutf8lib.obj
>> loadlib.obj linit.obj
>> Microsoft (R) Library Manager Version 14.16.27024.1
>> Copyright (C) Microsoft Corporation.  All rights reserved.
>>
>> LINK : warning LNK4044: unrecognized option '/shared'; ignored
>> LINK : warning LNK4044: unrecognized option '/o'; ignored
>> LINK : fatal error LNK1181: cannot open input file 'lua53.dll'
>> make[1]: *** [lua53.dll] Error 1181
>> make[1]: Leaving directory `C:/Users/russh/lua/lua-5.3.5/src'
>> make: *** [clang] Error 2
>>
>> It seems to me to be missing the compile step and going straight to the
>> link step?
>>
>> Any input would be appreciated.
>>
>> Regards,
>> Russell
>>
>
> Ugh. I spent hours tonight trying things then finally spend the time to
> write up that last email and fire it off. Three seconds later I thought of
> a new path and it turned out to solve the issue. I reverted back to the
> original makefile and started again. I change CC=clang and set MAKE= make
> (to fix the spaces in the installed path).
>
> Anyway, Now I'm stuck with an architecture mis-match:
>
>  make clang
> make "LUA_A=lua53.dll" "LUA_T=lua.exe" \
>         "AR=clang -std=gnu99 -shared -o" "RANLIB=strip --strip-unneeded" \
>         "SYSCFLAGS=-DLUA_BUILD_AS_DLL" "SYSLIBS=" "SYSLDFLAGS=-s" lua.exe
> make[1]: Entering directory `C:/Users/russh/lua/lua-5.3.5/src'
> clang -std=gnu99 -shared -o lua53.dll lapi.o lcode.o lctype.o ldebug.o
> ldo.o ldump.o lfunc.o lgc.o llex.o lmem.o lobject.o lopcodes.o lparser.o
> lstate.o lstring.o ltable.o ltm.o lundump.o lvm.o lzio.o lauxlib.o
> lbaselib.o lbitlib.o lcorolib.o ldblib.o liolib.o lmathlib.o loslib.o
> lstrlib.o ltablib.o lutf8lib.o loadlib.o linit.o
> libcmt.lib(chkstk.obj) : fatal error LNK1112: module machine type 'x86'
> conflicts with target machine type 'x64'
> clang: error: linker command failed with exit code 1112 (use -v to see
> invocation)
> make[1]: *** [lua53.dll] Error 1112
> make[1]: Leaving directory `C:/Users/russh/lua/lua-5.3.5/src'
> make: *** [clang] Error 2
>
> Regards,
> Russell
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