m4/gst-ivorbis.m4

   1 # Configure paths for Tremor
   2
   3 dnl XIPH_PATH_IVORBIS([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
   4 dnl Test for libivorbis, and define IVORBIS_CFLAGS and IVORBIS_LIBS
   5 dnl
   6 AC_DEFUN(XIPH_PATH_IVORBIS,
   7 [dnl
   8 dnl Get the cflags and libraries
   9 dnl
  10 AC_ARG_WITH(ivorbis,[  --with-ivorbis=PFX   Prefix where libivorbis is installed (optional)], ivorbis_prefix="$withval", ivorbis_prefix="")
  11 AC_ARG_WITH(ivorbis-libraries,[  --with-ivorbis-libraries=DIR   Directory where libivorbis library is installed (optional)], ivorbis_libraries="$withval", ivorbis_libraries="")
  12 AC_ARG_WITH(ivorbis-includes,[  --with-ivorbis-includes=DIR   Directory where libivorbis header files are installed (optional)], ivorbis_includes="$withval", ivorbis_includes="")
  13 AC_ARG_ENABLE(ivorbistest, [  --disable-ivorbistest       Do not try to compile and run a test Ivorbis program],, enable_ivorbistest=yes)
  14
  15   if test "x$ivorbis_libraries" != "x" ; then
  16     IVORBIS_LIBS="-L$ivorbis_libraries"
  17   elif test "x$ivorbis_prefix" != "x" ; then
  18     IVORBIS_LIBS="-L$ivorbis_prefix/lib"
  19   elif test "x$prefix" != "xNONE"; then
  20     IVORBIS_LIBS="-L$prefix/lib"
  21   fi
  22
  23   IVORBIS_LIBS="$IVORBIS_LIBS -lvorbisidec -lm"
  24
  25   if test "x$ivorbis_includes" != "x" ; then
  26     IVORBIS_CFLAGS="-I$ivorbis_includes"
  27   elif test "x$ivorbis_prefix" != "x" ; then
  28     IVORBIS_CFLAGS="-I$ivorbis_prefix/include"
  29   elif test "x$prefix" != "xNONE"; then
  30     IVORBIS_CFLAGS="-I$prefix/include"
  31   fi
  32
  33   AC_MSG_CHECKING(for Tremor)
  34   no_ivorbis=""
  35
  36   if test "x$enable_ivorbistest" = "xyes" ; then
  37     ac_save_CFLAGS="$CFLAGS"
  38     ac_save_LIBS="$LIBS"
  39     CFLAGS="$CFLAGS $IVORBIS_CFLAGS $OGG_CFLAGS"
  40     LIBS="$LIBS $IVORBIS_LIBS $OGG_LIBS"
  41 dnl
  42 dnl Now check if the installed Tremor is sufficiently new.
  43 dnl
  44       rm -f conf.ivorbistest
  45       AC_TRY_COMPILE([
  46 #include <stdio.h>
  47 #include <stdlib.h>
  48 #include <string.h>
  49 #include <tremor/codec.h>
  50
  51 int main ()
  52 {
  53 }
  54
  55 ],, no_ivorbis=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
  56        CFLAGS="$ac_save_CFLAGS"
  57        LIBS="$ac_save_LIBS"
  58   fi
  59
  60   if test "x$no_ivorbis" = "x" ; then
  61      AC_MSG_RESULT(yes)
  62      ifelse([$1], , :, [$1])
  63   else
  64      AC_MSG_RESULT(no)
  65      IVORBIS_CFLAGS=""
  66      IVORBIS_LIBS=""
  67      IVORBISFILE_LIBS=""
  68      ifelse([$2], , :, [$2])
  69   fi
  70   AC_SUBST(IVORBIS_CFLAGS)
  71   AC_SUBST(IVORBIS_LIBS)
  72   AC_SUBST(IVORBISFILE_LIBS)
  73 ])