configure: Add autoconf check for libopusfile.

This check is being added to make it easier for end-users of third party
open source Opus modules.  This was removed by ASTERISK-26426 but only
the module needed to be removed.

Change-Id: I62b9cd0c4fa8a77596ab0e042948a643a1152677

5 files changed, 163 insertions, 0 deletions

diff --git a/build_tools/menuselect-deps.in b/build_tools/menuselect-deps.in
index ec70be0da..9becdb62e 100644
--- a/build_tools/menuselect-deps.in
+++ b/build_tools/menuselect-deps.in
@@ -45,6 +45,7 @@ NEON29=@PBX_NEON29@
 OGG=@PBX_OGG@
 OPENH323=@PBX_OPENH323@
 OPUS=@PBX_OPUS@
+OPUSFILE=@PBX_OPUSFILE@
 OSPTK=@PBX_OSPTK@
 OSS=@PBX_OSS@
 PGSQL=@PBX_PGSQL@
diff --git a/configure b/configure
index 8bcf93859..9a8fb403c 100755
--- a/configure
+++ b/configure
@@ -1008,6 +1008,10 @@ PBX_OSPTK
 OSPTK_DIR
 OSPTK_INCLUDE
 OSPTK_LIB
+PBX_OPUSFILE
+OPUSFILE_DIR
+OPUSFILE_INCLUDE
+OPUSFILE_LIB
 PBX_OPUS
 OPUS_DIR
 OPUS_INCLUDE
@@ -1435,6 +1439,7 @@ with_newt
 with_ogg
 with_openr2
 with_opus
+with_opusfile
 with_osptk
 with_oss
 with_postgres
@@ -2191,6 +2196,7 @@ Optional Packages:
   --with-ogg=PATH         use OGG files in PATH
   --with-openr2=PATH      use MFR2 files in PATH
   --with-opus=PATH        use Opus files in PATH
+  --with-opusfile=PATH    use Opusfile files in PATH
   --with-osptk=PATH       use OSP Toolkit files in PATH
   --with-oss=PATH         use Open Sound System files in PATH
   --with-postgres=PATH    use PostgreSQL files in PATH
@@ -11357,6 +11363,38 @@ fi
 
 
 
+    OPUSFILE_DESCRIP="Opusfile"
+    OPUSFILE_OPTION="opusfile"
+    PBX_OPUSFILE=0
+
+# Check whether --with-opusfile was given.
+if test "${with_opusfile+set}" = set; then :
+  withval=$with_opusfile;
+	case ${withval} in
+	n|no)
+	USE_OPUSFILE=no
+	# -1 is a magic value used by menuselect to know that the package
+	# was disabled, other than 'not found'
+	PBX_OPUSFILE=-1
+	;;
+	y|ye|yes)
+	ac_mandatory_list="${ac_mandatory_list} OPUSFILE"
+	;;
+	*)
+	OPUSFILE_DIR="${withval}"
+	ac_mandatory_list="${ac_mandatory_list} OPUSFILE"
+	;;
+	esac
+
+fi
+
+
+
+
+
+
+
+
     OSPTK_DESCRIP="OSP Toolkit"
     OSPTK_OPTION="osptk"
     PBX_OSPTK=0
@@ -30426,6 +30464,116 @@ _ACEOF
 fi
 
 
+# opusfile.h includes <opus_multistream.h> so we need to make sure that
+# either $OPUS_INCLUDE or /usr/include/opus is added to the search path.
+__opus_include=${OPUS_INCLUDE}
+if test -z "$__opus_include" -o x"$__opus_include" = x" " ; then
+	__opus_include=-I/usr/include/opus
+fi
+
+if test "x${PBX_OPUSFILE}" != "x1" -a "${USE_OPUSFILE}" != "no"; then
+   pbxlibdir=""
+   # if --with-OPUSFILE=DIR has been specified, use it.
+   if test "x${OPUSFILE_DIR}" != "x"; then
+      if test -d ${OPUSFILE_DIR}/lib; then
+         pbxlibdir="-L${OPUSFILE_DIR}/lib"
+      else
+         pbxlibdir="-L${OPUSFILE_DIR}"
+      fi
+   fi
+   pbxfuncname="op_open_callbacks"
+   if test "x${pbxfuncname}" = "x" ; then   # empty lib, assume only headers
+      AST_OPUSFILE_FOUND=yes
+   else
+      ast_ext_lib_check_save_CFLAGS="${CFLAGS}"
+      CFLAGS="${CFLAGS} $__opus_include"
+      as_ac_Lib=`$as_echo "ac_cv_lib_opusfile_${pbxfuncname}" | $as_tr_sh`
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ${pbxfuncname} in -lopusfile" >&5
+$as_echo_n "checking for ${pbxfuncname} in -lopusfile... " >&6; }
+if eval \${$as_ac_Lib+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lopusfile ${pbxlibdir}  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char ${pbxfuncname} ();
+int
+main ()
+{
+return ${pbxfuncname} ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  eval "$as_ac_Lib=yes"
+else
+  eval "$as_ac_Lib=no"
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+eval ac_res=\$$as_ac_Lib
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+if eval test \"x\$"$as_ac_Lib"\" = x"yes"; then :
+  AST_OPUSFILE_FOUND=yes
+else
+  AST_OPUSFILE_FOUND=no
+fi
+
+      CFLAGS="${ast_ext_lib_check_save_CFLAGS}"
+   fi
+
+   # now check for the header.
+   if test "${AST_OPUSFILE_FOUND}" = "yes"; then
+      OPUSFILE_LIB="${pbxlibdir} -lopusfile "
+      # if --with-OPUSFILE=DIR has been specified, use it.
+      if test "x${OPUSFILE_DIR}" != "x"; then
+         OPUSFILE_INCLUDE="-I${OPUSFILE_DIR}/include"
+      fi
+      OPUSFILE_INCLUDE="${OPUSFILE_INCLUDE} $__opus_include"
+      if test "xopus/opusfile.h" = "x" ; then	# no header, assume found
+         OPUSFILE_HEADER_FOUND="1"
+      else				# check for the header
+         ast_ext_lib_check_saved_CPPFLAGS="${CPPFLAGS}"
+         CPPFLAGS="${CPPFLAGS} ${OPUSFILE_INCLUDE}"
+         ac_fn_c_check_header_mongrel "$LINENO" "opus/opusfile.h" "ac_cv_header_opus_opusfile_h" "$ac_includes_default"
+if test "x$ac_cv_header_opus_opusfile_h" = xyes; then :
+  OPUSFILE_HEADER_FOUND=1
+else
+  OPUSFILE_HEADER_FOUND=0
+fi
+
+
+         CPPFLAGS="${ast_ext_lib_check_saved_CPPFLAGS}"
+      fi
+      if test "x${OPUSFILE_HEADER_FOUND}" = "x0" ; then
+         OPUSFILE_LIB=""
+         OPUSFILE_INCLUDE=""
+      else
+         if test "x${pbxfuncname}" = "x" ; then		# only checking headers -> no library
+            OPUSFILE_LIB=""
+         fi
+         PBX_OPUSFILE=1
+         cat >>confdefs.h <<_ACEOF
+#define HAVE_OPUSFILE 1
+_ACEOF
+
+      fi
+   fi
+fi
+
+
 
 if test "${USE_PWLIB}" != "no"; then
 	if test -n "${PWLIB_DIR}"; then
diff --git a/configure.ac b/configure.ac
index 3fe904402..23ff5265a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -503,6 +503,7 @@ AST_EXT_LIB_SETUP([NEWT], [newt], [newt])
 AST_EXT_LIB_SETUP([OGG], [OGG], [ogg])
 AST_EXT_LIB_SETUP([OPENR2], [MFR2], [openr2])
 AST_EXT_LIB_SETUP([OPUS], [Opus], [opus])
+AST_EXT_LIB_SETUP([OPUSFILE], [Opusfile], [opusfile])
 AST_EXT_LIB_SETUP([OSPTK], [OSP Toolkit], [osptk])
 AST_EXT_LIB_SETUP([OSS], [Open Sound System], [oss])
 AST_EXT_LIB_SETUP([PGSQL], [PostgreSQL], [postgres])
@@ -2350,6 +2351,13 @@ AST_EXT_LIB_CHECK([SS7], [ss7], [ss7_set_isup_timer], [libss7.h])
 AST_EXT_LIB_CHECK([OPENR2], [openr2], [openr2_chan_new], [openr2.h])
 
 AST_EXT_LIB_CHECK([OPUS], [opus], [opus_encoder_create], [opus/opus.h])
+# opusfile.h includes <opus_multistream.h> so we need to make sure that
+# either $OPUS_INCLUDE or /usr/include/opus is added to the search path.
+__opus_include=${OPUS_INCLUDE}
+if test -z "$__opus_include" -o x"$__opus_include" = x" " ; then
+	__opus_include=-I/usr/include/opus
+fi
+AST_EXT_LIB_CHECK([OPUSFILE], [opusfile], [op_open_callbacks], [opus/opusfile.h], [], [$__opus_include])
 
 if test "${USE_PWLIB}" != "no"; then
 	if test -n "${PWLIB_DIR}"; then
diff --git a/include/asterisk/autoconfig.h.in b/include/asterisk/autoconfig.h.in
index 5865c0ad9..cfa260b21 100644
--- a/include/asterisk/autoconfig.h.in
+++ b/include/asterisk/autoconfig.h.in
@@ -588,6 +588,9 @@
 /* Define to 1 if you have the Opus library. */
 #undef HAVE_OPUS
 
+/* Define to 1 if you have the Opusfile library. */
+#undef HAVE_OPUSFILE
+
 /* Define this to indicate the ${OSPTK_DESCRIP} library */
 #undef HAVE_OSPTK
 
diff --git a/makeopts.in b/makeopts.in
index 30bc2e274..e25b614e0 100644
--- a/makeopts.in
+++ b/makeopts.in
@@ -232,6 +232,9 @@ OGG_LIB=@OGG_LIB@
 OPUS_INCLUDE=@OPUS_INCLUDE@
 OPUS_LIB=@OPUS_LIB@
 
+OPUSFILE_INCLUDE=@OPUSFILE_INCLUDE@
+OPUSFILE_LIB=@OPUSFILE_LIB@
+
 OSPTK_INCLUDE=@OSPTK_INCLUDE@
 OSPTK_LIB=@OSPTK_LIB@