118 lines
4.0 KiB
Plaintext
118 lines
4.0 KiB
Plaintext
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# Configure paths for libopus
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# Gregory Maxwell <greg@xiph.org> 08-30-2012
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# Shamelessly stolen from Jack Moffitt (libogg) who
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# Shamelessly stole from Owen Taylor and Manish Singh
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dnl XIPH_PATH_OPUS([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
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dnl Test for libopus, and define OPUS_CFLAGS and OPUS_LIBS
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dnl
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AC_DEFUN([XIPH_PATH_OPUS],
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[dnl
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dnl Get the cflags and libraries
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dnl
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AC_ARG_WITH(opus,AC_HELP_STRING([--with-opus=PFX],[Prefix where opus is installed (optional)]), opus_prefix="$withval", opus_prefix="")
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AC_ARG_WITH(opus-libraries,AC_HELP_STRING([--with-opus-libraries=DIR],[Directory where the opus library is installed (optional)]), opus_libraries="$withval", opus_libraries="")
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AC_ARG_WITH(opus-includes,AC_HELP_STRING([--with-opus-includes=DIR],[Directory where the opus header files are installed (optional)]), opus_includes="$withval", opus_includes="")
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AC_ARG_ENABLE(opustest,AC_HELP_STRING([--disable-opustest],[Do not try to compile and run a test opus program]),, enable_opustest=yes)
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if test "x$opus_libraries" != "x" ; then
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OPUS_LIBS="-L$opus_libraries"
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elif test "x$opus_prefix" = "xno" || test "x$opus_prefix" = "xyes" ; then
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OPUS_LIBS=""
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elif test "x$opus_prefix" != "x" ; then
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OPUS_LIBS="-L$opus_prefix/lib"
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elif test "x$prefix" != "xNONE" ; then
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OPUS_LIBS="-L$prefix/lib"
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fi
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if test "x$opus_prefix" != "xno" ; then
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OPUS_LIBS="$OPUS_LIBS -lopus"
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fi
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if test "x$opus_includes" != "x" ; then
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OPUS_CFLAGS="-I$opus_includes"
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elif test "x$opus_prefix" = "xno" || test "x$opus_prefix" = "xyes" ; then
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OPUS_CFLAGS=""
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elif test "x$opus_prefix" != "x" ; then
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OPUS_CFLAGS="-I$opus_prefix/include"
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elif test "x$prefix" != "xNONE"; then
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OPUS_CFLAGS="-I$prefix/include"
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fi
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AC_MSG_CHECKING(for Opus)
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if test "x$opus_prefix" = "xno" ; then
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no_opus="disabled"
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enable_opustest="no"
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else
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no_opus=""
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fi
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if test "x$enable_opustest" = "xyes" ; then
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ac_save_CFLAGS="$CFLAGS"
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ac_save_LIBS="$LIBS"
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CFLAGS="$CFLAGS $OPUS_CFLAGS"
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LIBS="$LIBS $OPUS_LIBS"
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dnl
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dnl Now check if the installed Opus is sufficiently new.
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dnl
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rm -f conf.opustest
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AC_TRY_RUN([
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <opus.h>
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int main ()
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{
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system("touch conf.opustest");
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return 0;
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}
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],, no_opus=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
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CFLAGS="$ac_save_CFLAGS"
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LIBS="$ac_save_LIBS"
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fi
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if test "x$no_opus" = "xdisabled" ; then
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AC_MSG_RESULT(no)
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ifelse([$2], , :, [$2])
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elif test "x$no_opus" = "x" ; then
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AC_MSG_RESULT(yes)
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ifelse([$1], , :, [$1])
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else
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AC_MSG_RESULT(no)
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if test -f conf.opustest ; then
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:
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else
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echo "*** Could not run Opus test program, checking why..."
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CFLAGS="$CFLAGS $OPUS_CFLAGS"
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LIBS="$LIBS $OPUS_LIBS"
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AC_TRY_LINK([
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#include <stdio.h>
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#include <opus.h>
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], [ return 0; ],
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[ echo "*** The test program compiled, but did not run. This usually means"
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echo "*** that the run-time linker is not finding Opus or finding the wrong"
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echo "*** version of Opus. If it is not finding Opus, you'll need to set your"
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echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
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echo "*** to the installed location Also, make sure you have run ldconfig if that"
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echo "*** is required on your system"
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echo "***"
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echo "*** If you have an old version installed, it is best to remove it, although"
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echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
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[ echo "*** The test program failed to compile or link. See the file config.log for the"
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echo "*** exact error that occurred. This usually means Opus was incorrectly installed"
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echo "*** or that you have moved Opus since it was installed." ])
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CFLAGS="$ac_save_CFLAGS"
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LIBS="$ac_save_LIBS"
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fi
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OPUS_CFLAGS=""
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OPUS_LIBS=""
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ifelse([$2], , :, [$2])
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fi
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AC_SUBST(OPUS_CFLAGS)
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AC_SUBST(OPUS_LIBS)
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rm -f conf.opustest
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])
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