@echo off

goto :Run

:Usage

echo.

echo Before running prepare_libffi.bat

echo LIBFFI_SOURCE environment variable must be set to the location of

echo of python-source-deps clone of libffi branch

echo VCVARSALL must be set to location of vcvarsall.bat

echo cygwin must be installed (see below)

echo SH environment variable must be set to the location of sh.exe

echo.

echo Tested with cygwin-x86 from https://www.cygwin.com/install.html

echo Select http://mirrors.kernel.org as the download site

echo Include the following cygwin packages in cygwin configuration:

echo make, autoconf, automake, libtool, dejagnu

echo.

echo NOTE: dejagnu is only required for running tests.

echo set LIBFFI_TEST=1 to run tests (optional)

echo.

echo Based on https://github.com/libffi/libffi/blob/master/.appveyor.yml

echo.

echo.

echo.Available flags:

echo. -x64 build for x64

echo. -x86 build for x86

echo. -arm32 build for arm32

echo. -? this help

echo. --install-cygwin install cygwin to c:\cygwin

exit /b 127

:Run

set BUILD_X64=

set BUILD_X86=

set BUILD_ARM32=

set INSTALL_CYGWIN=

:CheckOpts

if "%1"=="" goto :CheckOptsDone

if /I "%1"=="-x64" (set BUILD_X64=1) & shift & goto :CheckOpts

if /I "%1"=="-x86" (set BUILD_X86=1) & shift & goto :CheckOpts

if /I "%1"=="-arm32" (set BUILD_ARM32=1) & shift & goto :CheckOpts

if /I "%1"=="-?" goto :Usage

if /I "%1"=="--install-cygwin" (set INSTALL_CYGWIN=1) & shift & goto :CheckOpts

goto :Usage

:CheckOptsDone

if NOT DEFINED BUILD_X64 if NOT DEFINED BUILD_X86 if NOT DEFINED BUILD_ARM32 (

set BUILD_X64=1

set BUILD_X86=1

set BUILD_ARM32=1

)

if "%INSTALL_CYGWIN%"=="1" call :InstallCygwin

if NOT DEFINED SH if exist c:\cygwin\bin\sh.exe set SH=c:\cygwin\bin\sh.exe

if NOT DEFINED VCVARSALL (

if exist "C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" (

set VCVARSALL="C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\VC\Auxiliary\Build\vcvarsall.bat"

)

)

if ^%VCVARSALL:~0,1% NEQ ^" SET VCVARSALL="%VCVARSALL%"

if NOT DEFINED LIBFFI_SOURCE echo.&&echo ERROR LIBFFI_SOURCE environment variable not set && goto :Usage

if NOT DEFINED SH echo ERROR SH environment variable not set && goto :Usage

if not exist %SH% echo ERROR %SH% does not exist && goto :Usage

if not exist %LIBFFI_SOURCE% echo ERROR %LIBFFI_SOURCE% does not exist && goto :Usage

set OLDPWD=%LIBFFI_SOURCE%

pushd %LIBFFI_SOURCE%

%SH% --login -lc "cygcheck -dc cygwin"

set GET_MSVCC=%SH% -lc "cd $OLDPWD; export MSVCC=`/usr/bin/find $PWD -name msvcc.sh`; echo ${MSVCC};"

FOR /F "usebackq delims==" %%i IN (`%GET_MSVCC%`) do @set MSVCC=%%i

echo.

echo VCVARSALL : %VCVARSALL%

echo SH : %SH%

echo LIBFFI_SOURCE: %LIBFFI_SOURCE%

echo MSVCC : %MSVCC%

echo.

if not exist Makefile.in (%SH% -lc "(cd $LIBFFI_SOURCE; ./autogen.sh;)")

if "%BUILD_X64%"=="1" call :BuildOne x64 x86_64-w64-cygwin x86_64-w64-cygwin

if "%BUILD_X86%"=="1" call :BuildOne x86 i686-pc-cygwin i686-pc-cygwin

if "%BUILD_ARM32%"=="1" call :BuildOne x86_arm i686-pc-cygwin arm-w32-cygwin

exit /b 0

:BuildOne

set VCVARS_PLATFORM=%1

set BUILD=%2

set HOST=%3

set ASSEMBLER=

set SRC_ARCHITECTURE=x86

if NOT DEFINED VCVARS_PLATFORM echo ERROR bad VCVARS_PLATFORM&&exit /b 123

if /I "%VCVARS_PLATFORM%" EQU "x64" (

set ARCH=amd64

set ARTIFACTS=%LIBFFI_SOURCE%\x86_64-w64-cygwin

set ASSEMBLER=-m64

set SRC_ARCHITECTURE=x86

)

if /I "%VCVARS_PLATFORM%" EQU "x86" (

set ARCH=win32

set ARTIFACTS=%LIBFFI_SOURCE%\i686-pc-cygwin

set ASSEMBLER=

set SRC_ARCHITECTURE=x86

)

if /I "%VCVARS_PLATFORM%" EQU "x86_arm" (

set ARCH=arm32

set ARTIFACTS=%LIBFFI_SOURCE%\arm-w32-cygwin

set ASSEMBLER=-marm

set SRC_ARCHITECTURE=ARM

)

if NOT DEFINED LIBFFI_OUT set LIBFFI_OUT=%~dp0\..\externals\libffi

set _LIBFFI_OUT=%LIBFFI_OUT%\%ARCH%

echo get VS build environment

call %VCVARSALL% %VCVARS_PLATFORM%

echo clean %_LIBFFI_OUT%

if exist %_LIBFFI_OUT% (rd %_LIBFFI_OUT% /s/q)

echo Configure the build to generate fficonfig.h and ffi.h

%SH% -lc "(cd $OLDPWD; ./configure CC='%MSVCC% %ASSEMBLER%' CXX='%MSVCC% %ASSEMBLER%' LD='link' CPP='cl -nologo -EP' CXXCPP='cl -nologo -EP' CPPFLAGS='-DFFI_BUILDING_DLL' NM='dumpbin -symbols' STRIP=':' --build=$BUILD --host=$HOST;)"

echo Building libffi

%SH% -lc "(cd $OLDPWD; export PATH=/usr/bin:$PATH; cp src/%SRC_ARCHITECTURE%/ffitarget.h include; make; find .;)"

if "%LIBFFI_TEST%" EQU "1" (

echo "Running tests..."

%SH% -lc "(cd $OLDPWD; export PATH=/usr/bin:$PATH; cp `find $PWD -name 'libffi-?.dll'` $HOST/testsuite/; make check; cat `find ./ -name libffi.log`)"

) else (

echo "Not running tests"

)

echo copying files to %_LIBFFI_OUT%

if not exist %_LIBFFI_OUT%\include (md %_LIBFFI_OUT%\include)

copy %ARTIFACTS%\.libs\libffi-7.dll %_LIBFFI_OUT%

copy %ARTIFACTS%\.libs\libffi-7.lib %_LIBFFI_OUT%

copy %ARTIFACTS%\fficonfig.h %_LIBFFI_OUT%\include

copy %ARTIFACTS%\include\*.h %_LIBFFI_OUT%\include

exit /b

:InstallCygwin

if NOT DEFINED CYG_ROOT (set CYG_ROOT=c:/cygwin)

if NOT DEFINED CYG_CACHE (set CYG_CACHE=C:/cygwin/var/cache/setup)

if NOT DEFINED CYG_MIRROR (set CYG_MIRROR=http://mirrors.kernel.org/sourceware/cygwin/)

powershell -c "md $env:CYG_ROOT -ErrorAction SilentlyContinue"

powershell -c "$setup = $env:CYG_ROOT+'/setup.exe'; if (!(Test-Path $setup)){invoke-webrequest https://cygwin.com/setup-x86.exe -outfile $setup}

%CYG_ROOT%/setup.exe -qnNdO -R "%CYG_ROOT%" -s "%CYG_MIRROR%" -l "%CYG_CACHE%" -P make -P autoconf -P automake -P libtool -P dejagnu

exit /b