#                                               -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.

AC_PREREQ(2.61)
AC_INIT(fonts-arundina,
        m4_esyscmd([build-aux/git-version-gen]),
        [https://github.com/tlwg/fonts-arundina/issues])
AM_INIT_AUTOMAKE(dist-xz no-dist-gzip -Wno-portability)

FONTFORGE_MIN_VER=20170731

NEED_PYTHON="no"

# Check options
AC_ARG_ENABLE(ttf,
              [AC_HELP_STRING([--disable-ttf],
                              [disable TTF generation])],
              , enable_ttf="yes")
if test "x$enable_ttf" = "xyes"; then
  AC_ARG_WITH(ttfdir,
    [AC_HELP_STRING([--with-ttfdir=DIR],
                    [font directory in DIR [PREFIX/share/fonts/truetype/ttf-thai-arundina]])],
    [ttfdir="$withval"], [ttfdir=\$\{prefix\}/share/fonts/truetype/ttf-thai-arundina])
  AC_MSG_CHECKING(--with-ttfdir)
  AC_MSG_RESULT("$ttfdir")

  AC_SUBST(ttfdir)
fi

AC_ARG_ENABLE(otf,
              [AC_HELP_STRING([--enable-otf],
                              [enable OTF generation])],
              , enable_otf="no")
if test "x$enable_otf" = "xyes"; then
  NEED_PYTHON="yes"
  AC_ARG_WITH(otfdir,
    [AC_HELP_STRING([--with-otfdir=DIR],
                    [font directory in DIR [PREFIX/share/fonts/opentype/arundina]])],
    [otfdir="$withval"], [otfdir=\$\{prefix\}/share/fonts/opentype/arundina])
  AC_MSG_CHECKING(--with-otfdir)
  AC_MSG_RESULT("$otfdir")

  AC_SUBST(otfdir)
fi

AC_ARG_ENABLE(pfb,
              [AC_HELP_STRING([--enable-pfb],
                              [enable Type1 PFB generation])],
              , enable_pfb="no")
if test "x$enable_pfb" = "xyes"; then
  NEED_PYTHON="yes"
  AC_ARG_WITH(type1dir,
    [AC_HELP_STRING([--with-type1dir=DIR],
                    [font directory in DIR [PREFIX/share/fonts/type1/t1-thai-arundina]])],
    [type1dir="$withval"], [type1dir=\$\{prefix\}/share/fonts/type1/t1-thai-arundina])
  AC_MSG_CHECKING(--with-type1dir)
  AC_MSG_RESULT("$type1dir")

  AC_SUBST(type1dir)
fi

AC_ARG_ENABLE(latex,
              [AC_HELP_STRING([--enable-latex],
                              [enable LaTeX fonts generation])],
              , enable_latex="no")
if test "x$enable_latex" = "xyes"; then
  # We need Python for PFB builds
  NEED_PYTHON="yes"

  AC_CHECK_PROGS(AFM2TFM,afm2tfm,no)
  if test "x$AFM2TFM" = "xno" ; then
    AC_MSG_ERROR([You need afm2tfm (from texlive distribution)])
  fi
  AC_CHECK_PROGS(VPTOVF,vptovf,no)
  if test "x$VPTOVF" = "xno" ; then
    AC_MSG_ERROR([You need vptovf (from texlive distribution)])
  fi

  AC_ARG_WITH(texmfdir,
    [AC_HELP_STRING([--with-texmfdir=DIR],
                    [texmf directory in DIR [PREFIX/share/texmf]])],
    [texmfdir="$withval"], [texmfdir=${datarootdir}/texmf])
  AC_MSG_CHECKING(--with-texmfdir)
  AC_MSG_RESULT("$texmfdir")
  AC_SUBST(texmfdir)

  AC_PATH_PROGS(UPDMAP,[updmap-sys updmap],no)
  if test "x$UPDMAP" = "xno" ; then
    AC_MSG_ERROR([You need updmap-sys or updmap (from texlive distribution)])
  fi

  AC_PATH_PROG(TEXHASH,[mktexlsr texhash],no)
  if test "x$TEXHASH" = "xno" ; then
    AC_MSG_ERROR([You need mktexlsr or texhash (from texlive distribution)])
  fi
fi

AM_CONDITIONAL(INCLUDE_TTF,test $enable_ttf = "yes")
AM_CONDITIONAL(INCLUDE_OTF,test $enable_otf = "yes")
AM_CONDITIONAL(INCLUDE_PFB,test $enable_pfb = "yes")
AM_CONDITIONAL(INCLUDE_LATEX,test $enable_latex = "yes")

# Checks for programs.
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_SED
AC_CHECK_PROGS(RMDIR,rmdir,no)

AC_CHECK_PROGS(FONTFORGE,fontforge,no)

if test "x$FONTFORGE" = "xno"; then
  AC_MSG_ERROR([You need fontforge to generate fonts.])
else
  AC_MSG_CHECKING([for Fontforge >= $FONTFORGE_MIN_VER])
  FONTFORGE_VER=$($FONTFORGE --version 2>/dev/null | grep '^fontforge' | sed 's/fontforge //')
  FONTFORGE_VER=$(TZ=UTC date -d "$FONTFORGE_VER" "+%Y%m%d")
  if test $FONTFORGE_VER -lt $FONTFORGE_MIN_VER; then
    AC_MSG_ERROR([Requires Fontforge >= $FONTFORGE_MIN_VER but $FONTFORGE_VER was found)])
  fi
  AC_MSG_RESULT([$FONTFORGE_VER found, ok])
fi

if test "x$NEED_PYTHON" = "xyes"; then
  AM_PATH_PYTHON([3.7])
  AX_PYTHON_MODULE([fontforge],[fatal])
fi


AC_CONFIG_FILES([Makefile
                 arundina/Makefile
                 fontconfig/Makefile
                 latex/Makefile
                 latex/examples/Makefile
                 scripts/Makefile])

AC_OUTPUT