[Vm-dev] Minheadless trial
eliot.miranda at gmail.com
Mon Aug 6 21:12:39 UTC 2018
On Mon, Aug 6, 2018 at 12:57 PM, Ben Coman <btc at openinworld.com> wrote:
> On 6 August 2018 at 23:54, Ben Coman <btc at openinworld.com> wrote:
>> On 6 August 2018 at 13:22, Ben Coman <btc at openinworld.com> wrote:
>> > and ends up with 4 link errors (and 6600 warnings)
>> > Pharo.exe LNK1120 - 1 unresolved external
>> > Pharow.exe LNK1120 - 1unresolved external
>> > sqMain.c.obj LNK2019 - unresolved external symbol
>> _imp_osvm_main referenced in function main
>> > sqWin32Main.c.obj LNK2019 - unresolved external symbol _imp_osvm_main
>> referenced in function WinMain
>> So the following change to sqMain.c fixes the link error...
>> #define BUILD_VM_CORE
>> #include "OpenSmalltalkVM.h"
>> main(int argc, const char **argv)
>> return osvm_main(argc, argv);
>> and similar for sqWin32Main.c.
> The next roadbump is...
> LNK2019 unresolved external symbol 'alloca' referenced in function
> callIA32IntegralReturn -- File PharoVMCore.lib(xabicc.c.obj)
> From the root folder, doing...
> find . -name xabicc.c
> result in...
> Googling for "alloca Visual Studio 2017" lead me to...
> which indicates there is no "alloca" only "_alloca"
> Now " xabicc.c" is a stub for including platform specific C code,
> and the lovely defines-highlighting of Visual Studio indicates "x64win64abicc.c"
> is the active one right now,
> so as a quick hack, jamming a define just above that include...
> #if i386|i486|i586|i686
> # include "ia32abicc.c"
> #elif powerpc|ppc
> # include "ppc32abicc.c"
> #elif x86_64|x64|__x86_64|__x86_64__|_M_AMD64|_M_X64
> # if _WIN64
> # define alloca _alloca // <<<QUICK HACK
> # include "x64win64abicc.c"
> # else
> # include "x64sysvabicc.c"
> # endif
> #elif __ARM_ARCH__|__arm__|__arm32__|ARM32
> # include "arm32abicc.c"
> allows CMake > Build All
> ==> Build succeeded. Yay!
> To determine a suitable permanent home for that define, doing...
> grep -R " _alloca" *
> from the root folder shows...
> platforms/Cross/plugins/IA32ABI/arm32abicc.c:# define alloca _alloca
> platforms/Cross/plugins/IA32ABI/ia32abicc.c:# define alloca _alloca
> platforms/Cross/plugins/IA32ABI/ppc32abicc.c:# define alloca _alloca
> platforms/Cross/plugins/SqueakFFIPrims/sqFFIPlugin.c:# define alloca
> platforms/minheadless/windows/sqPlatformSpecific-Win32.h:# define
> alloca _alloca
> platforms/unix/config/configure:# define alloca _alloca
> platforms/win32/vm/sqPlatformSpecific.h:# define alloca _alloca
> processors/ARM/gdb-7.10/include/alloca-conf.h:# define alloca _alloca
> processors/IA32/bochs/bx_debug/parser.c:# define alloca _alloca
> src/plugins/SqueakFFIPrims/ARM32FFIPlugin.c:# define alloca _alloca
> src/plugins/SqueakFFIPrims/IA32FFIPlugin.c:# define alloca _alloca
> src/plugins/SqueakFFIPrims/X64SysVFFIPlugin.c:# define alloca _alloca
> src/plugins/SqueakFFIPrims/X64Win64FFIPlugin.c:# define alloca _alloca
> Interesting that there is a similar define for ia32abicc.c,
> so comparing that with x64win64abicc.c (at https://www.diffchecker.
> looks like it should be slotted into the latter about line 41.
Feel free to make this edit and commit
> Doing that ==> Build successful.
> cheers -ben
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