~linaro-maintainers/ubuntu/oneiric/speex/overlay

# Configure paths for libspeex

# Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>

# Shamelessly stolen from:

# Jack Moffitt <jack@icecast.org> 10-21-2000

# Shamelessly stolen from Owen Taylor and Manish Singh

dnl XIPH_PATH_SPEEX([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])

dnl Test for libspeex, and define SPEEX_CFLAGS and SPEEX_LIBS

dnl

AC_DEFUN([XIPH_PATH_SPEEX],

[dnl 

dnl Get the cflags and libraries

dnl

AC_ARG_WITH(speex,[  --with-speex=PFX   Prefix where libspeex is installed (optional)], speex_prefix="$withval", speex_prefix="")

AC_ARG_WITH(speex-libraries,[  --with-speex-libraries=DIR   Directory where libspeex library is installed (optional)], speex_libraries="$withval", speex_libraries="")

AC_ARG_WITH(speex-includes,[  --with-speex-includes=DIR   Directory where libspeex header files are installed (optional)], speex_includes="$withval", speex_includes="")

AC_ARG_ENABLE(speextest, [  --disable-speextest       Do not try to compile and run a test Speex program],, enable_speextest=yes)

  if test "x$speex_libraries" != "x" ; then

    SPEEX_LIBS="-L$speex_libraries"

  elif test "x$speex_prefix" != "x" ; then

    SPEEX_LIBS="-L$speex_prefix/lib"

  elif test "x$prefix" != "xNONE" ; then

    SPEEX_LIBS="-L$prefix/lib"

  fi

  SPEEX_LIBS="$SPEEX_LIBS -lspeex"

  if test "x$speex_includes" != "x" ; then

    SPEEX_CFLAGS="-I$speex_includes"

  elif test "x$speex_prefix" != "x" ; then

    SPEEX_CFLAGS="-I$speex_prefix/include"

  elif test "x$prefix" != "xNONE"; then

    SPEEX_CFLAGS="-I$prefix/include"

  fi

  AC_MSG_CHECKING(for Speex)

  no_speex=""

  if test "x$enable_speextest" = "xyes" ; then

    ac_save_CFLAGS="$CFLAGS"

    ac_save_LIBS="$LIBS"

    CFLAGS="$CFLAGS $SPEEX_CFLAGS"

    LIBS="$LIBS $SPEEX_LIBS"

dnl

dnl Now check if the installed Speex is sufficiently new.

dnl

      rm -f conf.speextest

      AC_TRY_RUN([

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <speex/speex.h>

int main ()

{

  system("touch conf.speextest");

  return 0;

}

],, no_speex=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])

       CFLAGS="$ac_save_CFLAGS"

       LIBS="$ac_save_LIBS"

  fi

  if test "x$no_speex" = "x" ; then

     AC_MSG_RESULT(yes)

     ifelse([$1], , :, [$1])     

  else

     AC_MSG_RESULT(no)

     if test -f conf.speextest ; then

       :

     else

       echo "*** Could not run Speex test program, checking why..."

       CFLAGS="$CFLAGS $SPEEX_CFLAGS"

       LIBS="$LIBS $SPEEX_LIBS"

       AC_TRY_LINK([

#include <stdio.h>

#include <speex/speex.h>

],     [ return 0; ],

       [ echo "*** The test program compiled, but did not run. This usually means"

       echo "*** that the run-time linker is not finding Speex or finding the wrong"

       echo "*** version of Speex. If it is not finding Speex, you'll need to set your"

       echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"

       echo "*** to the installed location  Also, make sure you have run ldconfig if that"

       echo "*** is required on your system"

       echo "***"

       echo "*** If you have an old version installed, it is best to remove it, although"

       echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],

       [ echo "*** The test program failed to compile or link. See the file config.log for the"

       echo "*** exact error that occured. This usually means Speex was incorrectly installed"

       echo "*** or that you have moved Speex since it was installed." ])

       CFLAGS="$ac_save_CFLAGS"

       LIBS="$ac_save_LIBS"

     fi

     SPEEX_CFLAGS=""

     SPEEX_LIBS=""

     ifelse([$2], , :, [$2])

  fi

  AC_SUBST(SPEEX_CFLAGS)

  AC_SUBST(SPEEX_LIBS)

  rm -f conf.speextest

])