libgphoto2_port/m4/gp-manual-pstoimg.m4

   1 dnl ---------------------------------------------------------------------------
   2 dnl pstoimg: This program is needed for processing images. If not found,
   3 dnl          documentation can still be built, but without figures.
   4 dnl ---------------------------------------------------------------------------
   5 AC_DEFUN([GP_CHECK_PSTOIMG],
   6 [
   7 AC_REQUIRE([GP_CHECK_DOT])dnl for creating tesseract.ps
   8
   9 try_pstoimg=true
  10 have_pstoimg=false
  11 AC_ARG_WITH(pstoimg, AS_HELP_STRING([--without-pstoimg], [Do not use pstoimg]),[
  12         if test "x$withval" = "xno"; then
  13                 try_pstoimg=false
  14         fi])
  15 if $try_pstoimg; then
  16         AC_PATH_PROG(PSTOIMG,pstoimg)
  17         if test -n "${PSTOIMG}"; then
  18                 have_pstoimg=true
  19         fi
  20 fi
  21 if $have_pstoimg; then
  22         AC_SUBST(PSTOIMG)
  23         AC_MSG_CHECKING([whether ${PSTOIMG} works])
  24         rm -f tesseract.png
  25         ${PSTOIMG} -type png -scale 1.2 -antialias -crop a tesseract.ps > /dev/null
  26         if test $? != 0 || test ! -f tesseract.png; then
  27                 have_pstoimg=false
  28                 AC_MSG_RESULT(no)
  29         else
  30                 AC_MSG_RESULT(yes)
  31         fi
  32         rm -f tesseract.png
  33 fi
  34 AM_CONDITIONAL(ENABLE_PSTOIMG, $have_pstoimg)
  35
  36 ])