@echo off
rem Copyright (C) 1996-2017 Free Software Foundation, Inc.
rem This file is part of GNU Make.
rem
rem GNU Make is free software; you can redistribute it and/or modify it under
rem the terms of the GNU General Public License as published by the Free
rem Software Foundation; either version 3 of the License, or (at your option)
rem any later version.
rem
rem GNU Make is distributed in the hope that it will be useful, but WITHOUT
rem ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
rem FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for.
rem more details.
rem
rem You should have received a copy of the GNU General Public License along
rem with this program.  If not, see <http://www.gnu.org/licenses/>.

setlocal
call :Reset

if "%1" == "-h" goto Usage
if "%1" == "--help" goto Usage

set MAKE=gnumake
set GUILE=Y
set COMPILER=cl.exe
set O=obj
set ARCH=x64
set DEBUG=N

:ParseSW
if "%1" == "--debug" goto SetDebug
if "%1" == "--without-guile" goto NoGuile
if "%1" == "--x86" goto Set32Bit
if "%1" == "gcc" goto SetCC
if "%1" == "" goto DoneSW
goto Usage

:SetDebug
set DEBUG=Y
shift
goto ParseSW

:NoGuile
set GUILE=N
echo Building without Guile
shift
goto ParseSW

:Set32Bit
set ARCH=x86
shift
goto ParseSW

:SetCC
set COMPILER=gcc
set O=o
echo Building with GCC
shift
goto ParseSW

rem Build with Guile is supported only on NT and later versions
:DoneSW
echo.
echo Creating GNU Make for Windows 9X/NT/2K/XP/Vista/7/8/10
if "%DEBUG%" == "Y" echo Building without compiler optimizations

if "%COMPILER%" == "gcc" goto GccBuild

rem Make sure we can find a compiler
%COMPILER% >nul 2>&1
if not ERRORLEVEL 1 goto FoundMSVC

set "VSVARS=%VS140COMNTOOLS%\..\..\VC\vcvarsall.bat"
call :CheckMSVC
if not ERRORLEVEL 1 goto FoundMSVC

set "VSVARS=%VS120COMNTOOLS%\..\..\VC\vcvarsall.bat"
call :CheckMSVC
if not ERRORLEVEL 1 goto FoundMSVC

set "VSVARS=%VS110COMNTOOLS%\..\..\VC\vcvarsall.bat"
call :CheckMSVC
if not ERRORLEVEL 1 goto FoundMSVC

set "VSVARS=%VS100COMNTOOLS%\..\..\VC\vcvarsall.bat"
call :CheckMSVC
if not ERRORLEVEL 1 goto FoundMSVC

set "VSVARS=%VS90COMNTOOLS%\..\..\VC\vcvarsall.bat"
call :CheckMSVC
if not ERRORLEVEL 1 goto FoundMSVC

set "VSVARS=%VS80COMNTOOLS%\..\..\VC\vcvarsall.bat"
call :CheckMSVC
if not ERRORLEVEL 1 goto FoundMSVC

set "VSVARS=%VS71COMNTOOLS%\..\..\VC\vcvarsall.bat"
call :CheckMSVC
if not ERRORLEVEL 1 goto FoundMSVC

set "VSVARS=%VS70COMNTOOLS%\..\..\VC\vcvarsall.bat"
call :CheckMSVC
if not ERRORLEVEL 1 goto FoundMSVC

set "VSVARS=%V6TOOLS%\VC98\Bin\vcvars32.bat"
call :CheckMSVC
if not ERRORLEVEL 1 goto FoundMSVC

set "VSVARS=%V6TOOLS%\VC97\Bin\vcvars32.bat"
call :CheckMSVC
if not ERRORLEVEL 1 goto FoundMSVC

set "VSVARS=%V5TOOLS%\VC\Bin\vcvars32.bat"
call :CheckMSVC
if not ERRORLEVEL 1 goto FoundMSVC

rem We did not find anything--fail
echo No MSVC compiler available.
echo Please run vcvarsall.bat and/or configure your Path.
exit /b 1

:FoundMSVC
set OUTDIR=.\WinRel
set "OPTS=/O2 /D NDEBUG"
set LINKOPTS=
if "%DEBUG%" == "Y" set OUTDIR=.\WinDebug
if "%DEBUG%" == "Y" set "OPTS=/Zi /Od /D _DEBUG"
if "%DEBUG%" == "Y" set LINKOPTS=/DEBUG
call :Build
goto Done

:GccBuild
set OUTDIR=.\GccRel
set OPTS=-O2
if "%DEBUG%" == "Y" set OPTS=-O0
if "%DEBUG%" == "Y" set OUTDIR=.\GccDebug
call :Build
goto Done

:Done
call :Reset
goto :EOF

:Build
:: Clean the directory if it exists
if exist %OUTDIR%\nul rmdir /S /Q %OUTDIR%

:: Recreate it
mkdir %OUTDIR%
mkdir %OUTDIR%\src
mkdir %OUTDIR%\src\w32
mkdir %OUTDIR%\src\w32\compat
mkdir %OUTDIR%\src\w32\subproc
mkdir %OUTDIR%\glob

if "%GUILE%" == "Y" call :ChkGuile

echo.
echo Compiling %OUTDIR% version

if exist src\config.h.W32.template call :ConfigSCM
copy src\config.h.W32 %OUTDIR%\src\config.h

if exist %OUTDIR%\link.sc del %OUTDIR%\link.sc

call :Compile src\ar
call :Compile src\arscan
call :Compile src\commands
call :Compile src\default
call :Compile src\dir
call :Compile src\expand
call :Compile src\file
call :Compile src\function
call :Compile src\getloadavg
call :Compile src\getopt
call :Compile src\getopt1
call :Compile src\guile GUILE
call :Compile src\hash
call :Compile src\implicit
call :Compile src\job
call :Compile src\load
call :Compile src\loadapi
call :Compile src\main GUILE
call :Compile src\misc
call :Compile src\output
call :Compile src\read
call :Compile src\remake
call :Compile src\remote-stub
call :Compile src\rule
call :Compile src\signame
call :Compile src\strcache
call :Compile src\variable
call :Compile src\version
call :Compile src\vpath
call :Compile src\w32\pathstuff
call :Compile src\w32\w32os
call :Compile src\w32\compat\posixfcn
call :Compile src\w32\subproc\misc
call :Compile src\w32\subproc\sub_proc
call :Compile src\w32\subproc\w32err
call :Compile glob\fnmatch
call :Compile glob\glob

if not "%COMPILER%" == "gcc" call :Compile src\w32\compat\dirent

call :Link

echo.
if not exist %OUTDIR%\%MAKE%.exe echo %OUTDIR% build FAILED!
if exist %OUTDIR%\%MAKE%.exe echo %OUTDIR% build succeeded.
if exist %OUTDIR%\%MAKE%.exe copy /Y Basic.mk Makefile
goto :EOF

:Compile
echo %OUTDIR%\%1.%O% >>%OUTDIR%\link.sc
set EXTRAS=
if "%2" == "GUILE" set "EXTRAS=%GUILECFLAGS%"
if "%COMPILER%" == "gcc" goto GccCompile

:: MSVC Compile
echo on
%COMPILER% /nologo /MT /W4 /EHsc %OPTS% /I %OUTDIR%/src /I src /I glob /I src/w32/include /D WINDOWS32 /D WIN32 /D _CONSOLE /D HAVE_CONFIG_H /FR%OUTDIR% /Fp%OUTDIR%\%MAKE%.pch /Fo%OUTDIR%\%1.%O% /Fd%OUTDIR%\%MAKE%.pdb %EXTRAS% /c %1.c
@echo off
goto :EOF

:GccCompile
:: GCC Compile
echo on
gcc -mthreads -Wall -std=gnu99 -gdwarf-2 -g3 %OPTS% -I%OUTDIR%/src -I./src -I./glob -I./src/w32/include -DWINDOWS32 -DHAVE_CONFIG_H %EXTRAS% -o %OUTDIR%\%1.%O% -c %1.c
@echo off
goto :EOF

:Link
echo Linking %OUTDIR%/%MAKE%.exe
if "%COMPILER%" == "gcc" goto GccLink

:: MSVC Link
echo %GUILELIBS% kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib >>%OUTDIR%\link.sc
echo on
link.exe /NOLOGO /SUBSYSTEM:console /PDB:%OUTDIR%\%MAKE%.pdb %LINKOPTS% /OUT:%OUTDIR%\%MAKE%.exe @%OUTDIR%\link.sc
@echo off
goto :EOF

:GccLink
:: GCC Link
echo on
echo %GUILELIBS% -lkernel32 -luser32 -lgdi32 -lwinspool -lcomdlg32 -ladvapi32 -lshell32 -lole32 -loleaut32 -luuid -lodbc32 -lodbccp32 >>%OUTDIR%\link.sc
gcc -mthreads -gdwarf-2 -g3 %OPTS% -o %OUTDIR%\%MAKE%.exe @%OUTDIR%\link.sc -Wl,--out-implib=%OUTDIR%\libgnumake-1.dll.a
@echo off
goto :EOF

:ConfigSCM
echo Generating config from SCM templates
sed -n "s/^AC_INIT(\[GNU make\],\[\([^]]\+\)\].*/s,%%VERSION%%,\1,g/p" configure.ac > %OUTDIR%\src\config.h.W32.sed
echo s,%%PACKAGE%%,make,g >> %OUTDIR%\src\config.h.W32.sed
sed -f %OUTDIR%\src\config.h.W32.sed src\config.h.W32.template > src\config.h.W32
echo static const char *const GUILE_module_defn = ^" \ > src\gmk-default.h
sed -e "s/;.*//" -e "/^[ \t]*$/d" -e "s/\"/\\\\\"/g" -e "s/$/ \\\/" src\gmk-default.scm >> src\gmk-default.h
echo ^";>> src\gmk-default.h
goto :EOF

:ChkGuile
if not "%OS%" == "Windows_NT" goto NoGuile
pkg-config --help > %OUTDIR%\guile.tmp 2> NUL
if ERRORLEVEL 1 goto NoPkgCfg

echo Checking for Guile 2.0
if not "%COMPILER%" == "gcc" set PKGMSC=--msvc-syntax
pkg-config --cflags --short-errors "guile-2.0" > %OUTDIR%\guile.tmp
if not ERRORLEVEL 1 set /P GUILECFLAGS= < %OUTDIR%\guile.tmp

pkg-config --libs --static --short-errors %PKGMSC% "guile-2.0" > %OUTDIR%\guile.tmp
if not ERRORLEVEL 1 set /P GUILELIBS= < %OUTDIR%\guile.tmp

if not "%GUILECFLAGS%" == "" goto GuileDone

echo Checking for Guile 1.8
pkg-config --cflags --short-errors "guile-1.8" > %OUTDIR%\guile.tmp
if not ERRORLEVEL 1 set /P GUILECFLAGS= < %OUTDIR%\guile.tmp

pkg-config --libs --static --short-errors %PKGMSC% "guile-1.8" > %OUTDIR%\guile.tmp
if not ERRORLEVEL 1 set /P GUILELIBS= < %OUTDIR%\guile.tmp

if not "%GUILECFLAGS%" == "" goto GuileDone

echo No Guile found, building without Guile
goto GuileDone

:NoPkgCfg
echo pkg-config not found, building without Guile

:GuileDone
if "%GUILECFLAGS%" == "" goto :EOF

echo Guile found, building with Guile
set "GUILECFLAGS=%GUILECFLAGS% -DHAVE_GUILE"
goto :EOF

:CheckMSVC
if not exist "%VSVARS%" exit /b 1
call "%VSVARS%" %ARCH%
if ERRORLEVEL 1 exit /b 1
%COMPILER% >nul 2>&1
if ERRORLEVEL 1 exit /b 1
goto :EOF

:Usage
echo Usage: %0 [options] [gcc]
echo Options:
echo.  --without-guile   Do not compile Guile support even if found
echo.  --debug           Make a Debug build--default is Release
echo.  --x86             Make a 32bit binary--default is 64bit
echo.  --help            Display these instructions and exit
goto :EOF

:Reset
set ARCH=
set COMPILER=
set DEBUG=
set GUILE=
set GUILECFLAGS=
set GUILELIBS=
set LINKOPTS=
set MAKE=
set NOGUILE=
set O=
set OPTS=
set OUTDIR=
set PKGMSC=
set VSVARS=
goto :EOF