[CMake] toolchain file - cross-compiling windows-amd64->windows-x86

Thu Sep 19 13:59:46 EDT 2019

Now, with this toolchain file:
-----start of toolchain file-------
set(CMAKE_SYSTEM_NAME Windows)
set(CMAKE_SYSTEM_PROCESSOR "x86")
set(CMAKE_SYSTEM_VERSION 1)

# Microsoft MSVC compiler
#set(CMAKE_C_COMPILER cl.exe)
#set(CMAKE_CXX_COMPILER cl.exe)

set(CMAKE_C_COMPILER
"${CMAKE_CURRENT_SOURCE_DIR}/ninja-core-lib/toolchains/cl.bat")
set(CMAKE_CXX_COMPILER "${CMAKE_C_COMPILER}")

# Unfortunatly CMake doesn't seem to know anything about the MSVC compiler,
# so tell CMake that cl.exe supports C99
set(CMAKE_C_COMPILE_FEATURES c_std_99)

set(CMAKE_C_FLAGS_INIT   "/arch:SSE2 ${_MP_FLAG} /EHsc")
set(CMAKE_CXX_FLAGS_INIT "/arch:SSE2 ${_MP_FLAG}")

#set(CMAKE_STATIC_LINKER link.exe)
#set(CMAKE_LINKER link.exe)
#set(CMAKE_SHARED_LINKER link.exe)

set(CMAKE_STATIC_LINKER
"${CMAKE_CURRENT_SOURCE_DIR}/ninja-core-lib/toolchains/link.bat")
set(CMAKE_LINKER ${CMAKE_STATIC_LINKER})
set(CMAKE_SHARED_LINKER ${CMAKE_STATIC_LINKER})

set(CMAKE_AR ${CMAKE_LINKER})

set(CMAKE_C_COMPILER_ID "porquePreciseiDeUmBat")
-----stop of toolchain file-------

using this cl.bat
----start of cl.bat---------
pushd
"C:/Program Files (x86)/Microsoft Visual
Studio/2017/Community/VC/Auxiliary/Build/vcvarsamd64_x86.bat"
popd
cl.exe %*
----stop of cl.bat---------

and link.bat in the same spirit but with link.exe instead of cl.exe, I can
execute cmake, ninja, but the main.exe don't are on build/src/main

When I look on CMakeError.log on build directory, can look

-------start of CMakeError.log--------------------------
C:\Users\jpabreu\Desktop\testCMAKE\build_Win32_normal\CMakeFiles>more
CMakeError.log
Compilation of the C compiler identification source "CMakeCCompilerId.c"
did not produce an executable in
"C:/Users/jpabreu/Desktop/testCMAKE/build_Win32_normal/CMakeFiles/3.15.3/CompilerIdC".

Compilation of the C compiler identification source "CMakeCCompilerId.c"
did not produce an executable in
"C:/Users/jpabreu/Desktop/testCMAKE/build_Win32_normal/CMakeFiles/3.15.3/CompilerIdC".

Checking whether the C compiler is IAR using "" did not match "IAR .+
Compiler":

C:\Users\jpabreu\Desktop\testCMAKE\build_Win32_normal\CMakeFiles\3.15.3\CompilerIdC>pushd

C:\Users\jpabreu\Desktop\testCMAKE\build_Win32_normal\CMakeFiles\3.15.3\CompilerIdC>"C:/Program
Files (x86)/Microsoft Visual
Studio/2017/Community/VC/Auxiliary/Build/vcvarsamd64_x86.bat"
**********************************************************************
** Visual Studio 2017 Developer Command Prompt v15.9.16
** Copyright (c) 2017 Microsoft Corporation
**********************************************************************
[vcvarsall.bat] Environment initialized for: 'x64_x86'
Checking whether the C compiler is IAR using "" did not match "IAR .+
Compiler":

C:\Users\jpabreu\Desktop\testCMAKE\build_Win32_normal\CMakeFiles\3.15.3\CompilerIdC>pushd

C:\Users\jpabreu\Desktop\testCMAKE\build_Win32_normal\CMakeFiles\3.15.3\CompilerIdC>"C:/Program
Files (x86)/Microsoft Visual
Studio/2017/Community/VC/Auxiliary/Build/vcvarsamd64_x86.bat"
**********************************************************************
** Visual Studio 2017 Developer Command Prompt v15.9.16
** Copyright (c) 2017 Microsoft Corporation
**********************************************************************
[vcvarsall.bat] Environment initialized for: 'x64_x86'
Detecting C compiler ABI info failed to compile with the following output:
Change Dir:
C:/Users/jpabreu/Desktop/testCMAKE/build_Win32_normal/CMakeFiles/CMakeTmp

Run Build Command(s):C:/ProgramData/chocolatey/bin/ninja.exe cmTC_8a08d &&
[1/2] Building C object CMakeFiles\cmTC_8a08d.dir\CMakeCCompilerABI.c.obj

C:\Users\jpabreu\Desktop\testCMAKE\build_Win32_normal\CMakeFiles\CMakeTmp>pushd

C:\Users\jpabreu\Desktop\testCMAKE\build_Win32_normal\CMakeFiles\CMakeTmp>"C:/Program
Files (x86)/Microsoft Visual
Studio/2017/Community/VC/Auxiliary/Build/vcvarsamd64_x86.bat"
**********************************************************************
** Visual Studio 2017 Developer Command Prompt v15.9.16
** Copyright (c) 2017 Microsoft Corporation
**********************************************************************
[vcvarsall.bat] Environment initialized for: 'x64_x86'
[2/2] Linking C executable cmTC_8a08d.exe

C:\Users\jpabreu\Desktop\testCMAKE\build_Win32_normal\CMakeFiles\CMakeTmp>pushd

C:\Users\jpabreu\Desktop\testCMAKE\build_Win32_normal\CMakeFiles\CMakeTmp>"C:/Program
Files (x86)/Microsoft Visual
Studio/2017/Community/VC/Auxiliary/Build/vcvarsamd64_x86.bat"
**********************************************************************
** Visual Studio 2017 Developer Command Prompt v15.9.16
** Copyright (c) 2017 Microsoft Corporation
**********************************************************************
[vcvarsall.bat] Environment initialized for: 'x64_x86'

Cannot copy output executable
  ''
to destination specified by COPY_FILE:

'C:/Users/jpabreu/Desktop/testCMAKE/build_Win32_normal/CMakeFiles/3.15.3/CMakeDetermineCompilerABI_C.bin'
Unable to find the executable at any of:

C:/Users/jpabreu/Desktop/testCMAKE/build_Win32_normal/CMakeFiles/CMakeTmp/cmTC_8a08d.exe

C:/Users/jpabreu/Desktop/testCMAKE/build_Win32_normal/CMakeFiles/CMakeTmp/Debug/cmTC_8a08d.exe

C:/Users/jpabreu/Desktop/testCMAKE/build_Win32_normal/CMakeFiles/CMakeTmp/Development/cmTC_8a08d.exe
-------stop of CMakeError.log--------------------------

I am not understanding the last error. All this files are my (are under
Users/jpabreu), so I don't think that may be permission problems.

Em qui, 19 de set de 2019 às 14:02, Gonzalo Garramuño <ggarra13 at gmail.com>
escreveu:

>
> El 17/9/19 a las 16:46, fdk17 escribió:
>
>
> I personally never seen anyone try to use the Ninja generator via command
> line CMake and use the cl.exe compiler.
> I've only seen that using Visual Studio to open a CMakeLists.txt file it
> can produce a Ninja project.  But even MS documentation states that it
> doesn't always work.
>
> I use it just like that.  I open a .bat file that calls vsvars with the
> right settings and then calls msys bash. Find it below:
>
>
> @echo off
>
> call "C:/Program Files (x86)/Microsoft Visual Studio
> 14.0/VC/vcvarsall.bat" amd64 8.1
> C:
> C:\MinGW\msys\1.0\msys.bat -rxvt
>
> Then I call cmake and ninja with a bash script (both are in the bash
> PATH).  Find it attached.
>
>
> --
>
> Gonzalo Garramuño
>
> --
>
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