install_ass() {
  mkdir -p build-$ARCH && cd build-$ARCH
  cat > config.h << EOF
#define _CRT_SECURE_NO_WARNINGS
#define _CRT_NONSTDC_NO_DEPRECATE

#define CONFIG_DIRECTWRITE  1
#define CONFIG_RASTERIZER   1
#define CONFIG_HARFBUZZ     1
#define CONFIG_ASM          0

#ifdef _M_IX86
#define __i386__
#elif _M_AMD64
#define __x86_64__
#endif
EOF
  cat > dirent.h << 'EOF'
#ifndef DIRENT_INCLUDED
#define DIRENT_INCLUDED

/*
Declaration of POSIX directory browsing functions and types for Win32.
Author:  Kevlin Henney (kevlin@acm.org, kevlin@curbralan.com)
History: Created March 1997. Updated June 2003.
Rights:  See end of file.
*/

#ifdef __cplusplus
extern "C"
{
#endif

    typedef struct DIR DIR;

    struct dirent
    {
        char *d_name;
    };

    DIR           *opendir(const char *);
    int           closedir(DIR *);
    struct dirent *readdir(DIR *);
    void          rewinddir(DIR *);

    /*
    Copyright Kevlin Henney, 1997, 2003. All rights reserved.
    Permission to use, copy, modify, and distribute this software and its
    documentation for any purpose is hereby granted without fee, provided
    that this copyright and permissions notice appear in all copies and
    derivatives.
    This software is supplied "as is" without express or implied warranty.
    But that said, if there are any problems please get in touch.
    */

#ifdef __cplusplus
}
#endif

#endif
EOF
  cat > dirent.c << 'EOF'
/*
Implementation of POSIX directory browsing functions and types for Win32.
Author:  Kevlin Henney (kevlin@acm.org, kevlin@curbralan.com)
History: Created March 1997. Updated June 2003 and July 2012.
Rights:  See end of file.
*/

#define _CRT_SECURE_NO_WARNINGS
#define _CRT_NONSTDC_NO_DEPRECATE

#include <dirent.h>
#include <errno.h>
#include <io.h> /* _findfirst and _findnext set errno iff they return -1 */
#include <stdlib.h>
#include <string.h>

#ifdef __cplusplus
extern "C"
{
#endif

    typedef ptrdiff_t handle_type; /* C99's intptr_t not sufficiently portable */

    struct DIR
    {
        handle_type         handle; /* -1 for failed rewind */
        struct _finddata_t  info;
        struct dirent       result; /* d_name null iff first time */
        char                *name;  /* null-terminated char string */
    };

    DIR *opendir(const char *name)
    {
        DIR *dir = 0;

        if (name && name[0])
        {
            size_t base_length = strlen(name);
            const char *all = /* search pattern must end with suitable wildcard */
                strchr("/\\", name[base_length - 1]) ? "*" : "/*";

            if ((dir = (DIR *)malloc(sizeof *dir)) != 0 &&
                (dir->name = (char *)malloc(base_length + strlen(all) + 1)) != 0)
            {
                strcat(strcpy(dir->name, name), all);

                if ((dir->handle =
                    (handle_type)_findfirst(dir->name, &dir->info)) != -1)
                {
                    dir->result.d_name = 0;
                }
                else /* rollback */
                {
                    free(dir->name);
                    free(dir);
                    dir = 0;
                }
            }
            else /* rollback */
            {
                free(dir);
                dir = 0;
                errno = ENOMEM;
            }
        }
        else
        {
            errno = EINVAL;
        }

        return dir;
    }

    int closedir(DIR *dir)
    {
        int result = -1;

        if (dir)
        {
            if (dir->handle != -1)
            {
                result = _findclose(dir->handle);
            }

            free(dir->name);
            free(dir);
        }

        if (result == -1) /* map all errors to EBADF */
        {
            errno = EBADF;
        }

        return result;
    }

    struct dirent *readdir(DIR *dir)
    {
        struct dirent *result = 0;

        if (dir && dir->handle != -1)
        {
            if (!dir->result.d_name || _findnext(dir->handle, &dir->info) != -1)
            {
                result = &dir->result;
                result->d_name = dir->info.name;
            }
        }
        else
        {
            errno = EBADF;
        }

        return result;
    }

    void rewinddir(DIR *dir)
    {
        if (dir && dir->handle != -1)
        {
            _findclose(dir->handle);
            dir->handle = (handle_type)_findfirst(dir->name, &dir->info);
            dir->result.d_name = 0;
        }
        else
        {
            errno = EBADF;
        }
    }

#ifdef __cplusplus
}
#endif

/*
Copyright Kevlin Henney, 1997, 2003, 2012. All rights reserved.
Permission to use, copy, modify, and distribute this software and its
documentation for any purpose is hereby granted without fee, provided
that this copyright and permissions notice appear in all copies and
derivatives.
This software is supplied "as is" without express or implied warranty.
But that said, if there are any problems please get in touch.
*/
EOF
  sed -i -E "s/const int max_subdiv = ([0-9]+);/#define max_subdiv \\1/g" ../libass/ass_outline.c
  sed -i -E "s/const int n_outlines = ([0-9]+);/#define n_outlines \\1/g" ../libass/ass_render.c
  cl -I $PWD -I $INSTALL_PREFIX/include/freetype2 -I $INSTALL_PREFIX/include/harfbuzz -I $INSTALL_PREFIX/include/fribidi -c \
    dirent.c \
    ../libass/ass.c \
    ../libass/ass_bitmap.c \
    ../libass/ass_blur.c \
    ../libass/ass_cache.c \
    ../libass/ass_directwrite.c \
    ../libass/ass_drawing.c \
    ../libass/ass_font.c \
    ../libass/ass_fontselect.c \
    ../libass/ass_library.c \
    ../libass/ass_outline.c \
    ../libass/ass_parse.c \
    ../libass/ass_rasterizer.c \
    ../libass/ass_rasterizer_c.c \
    ../libass/ass_render.c \
    ../libass/ass_render_api.c \
    ../libass/ass_shaper.c \
    ../libass/ass_string.c \
    ../libass/ass_strtod.c \
    ../libass/ass_utils.c &&
  lib -out:$INSTALL_PREFIX/lib/ass.lib *.obj &&
  mkdir -p $INSTALL_PREFIX/include/ass &&
  cp ../libass/ass.h ../libass/ass_types.h $INSTALL_PREFIX/include/ass &&
  pkgconfig_generate libass $1 -lass
}