Check for the presence of trunc and round, and make the ISOC99 detection a little more sane (closes issue #10776)

git-svn-id: http://svn.digium.com/svn/asterisk/trunk@83431 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 1561 insertions, 1 deletions

diff --git a/configure b/configure
index 9de25a1f9..5433363e0 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.ac Revision: 81873 .
+# From configure.ac Revision: 82386 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.61.
 #
@@ -19785,6 +19785,786 @@ _ACEOF
 fi
 
 
+if test "x${PBX_ROUNDL}" != "x1" -a "${USE_ROUNDL}" != "no"; then
+   pbxlibdir=""
+   if test "x${ROUNDL_DIR}" != "x"; then
+      if test -d ${ROUNDL_DIR}/lib; then
+      	 pbxlibdir="-L${ROUNDL_DIR}/lib"
+      else
+      	 pbxlibdir="-L${ROUNDL_DIR}"
+      fi
+   fi
+   pbxfuncname="roundl"
+   if test "x${pbxfuncname}" = "x" ; then   # empty lib, assume only headers
+      AST_ROUNDL_FOUND=yes
+   else
+      as_ac_Lib=`echo "ac_cv_lib_m_${pbxfuncname}" | $as_tr_sh`
+{ echo "$as_me:$LINENO: checking for ${pbxfuncname} in -lm" >&5
+echo $ECHO_N "checking for ${pbxfuncname} in -lm... $ECHO_C" >&6; }
+if { as_var=$as_ac_Lib; eval "test \"\${$as_var+set}\" = set"; }; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lm ${pbxlibdir}  $LIBS"
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* 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 ${pbxfuncname} ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
+  eval "$as_ac_Lib=yes"
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval "$as_ac_Lib=no"
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+ac_res=`eval echo '${'$as_ac_Lib'}'`
+	       { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+if test `eval echo '${'$as_ac_Lib'}'` = yes; then
+  AST_ROUNDL_FOUND=yes
+else
+  AST_ROUNDL_FOUND=no
+fi
+
+   fi
+
+   if test "${AST_ROUNDL_FOUND}" = "yes"; then
+      ROUNDL_LIB="-lm "
+      ROUNDL_HEADER_FOUND="1"
+      if test "x${ROUNDL_DIR}" != "x"; then
+         ROUNDL_LIB="${pbxlibdir} ${ROUNDL_LIB}"
+	 ROUNDL_INCLUDE="-I${ROUNDL_DIR}/include"
+	 saved_cppflags="${CPPFLAGS}"
+	 CPPFLAGS="${CPPFLAGS} -I${ROUNDL_DIR}/include"
+	 if test "x" != "x" ; then
+	    as_ac_Header=`echo "ac_cv_header_${ROUNDL_DIR}/include/" | $as_tr_sh`
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  { echo "$as_me:$LINENO: checking for ${ROUNDL_DIR}/include/" >&5
+echo $ECHO_N "checking for ${ROUNDL_DIR}/include/... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+ac_res=`eval echo '${'$as_ac_Header'}'`
+	       { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking ${ROUNDL_DIR}/include/ usability" >&5
+echo $ECHO_N "checking ${ROUNDL_DIR}/include/ usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <${ROUNDL_DIR}/include/>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking ${ROUNDL_DIR}/include/ presence" >&5
+echo $ECHO_N "checking ${ROUNDL_DIR}/include/ presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <${ROUNDL_DIR}/include/>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: ${ROUNDL_DIR}/include/: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: ${ROUNDL_DIR}/include/: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ${ROUNDL_DIR}/include/: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: ${ROUNDL_DIR}/include/: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: ${ROUNDL_DIR}/include/: present but cannot be compiled" >&5
+echo "$as_me: WARNING: ${ROUNDL_DIR}/include/: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ${ROUNDL_DIR}/include/:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: ${ROUNDL_DIR}/include/:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ${ROUNDL_DIR}/include/: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: ${ROUNDL_DIR}/include/: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ${ROUNDL_DIR}/include/:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: ${ROUNDL_DIR}/include/:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ${ROUNDL_DIR}/include/: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: ${ROUNDL_DIR}/include/: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ${ROUNDL_DIR}/include/: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: ${ROUNDL_DIR}/include/: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for ${ROUNDL_DIR}/include/" >&5
+echo $ECHO_N "checking for ${ROUNDL_DIR}/include/... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  eval "$as_ac_Header=\$ac_header_preproc"
+fi
+ac_res=`eval echo '${'$as_ac_Header'}'`
+	       { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+
+fi
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+  ROUNDL_HEADER_FOUND=1
+else
+  ROUNDL_HEADER_FOUND=0
+fi
+
+
+	 fi
+	 CPPFLAGS="${saved_cppflags}"
+      else
+	 if test "x" != "x" ; then
+            if test "${ac_cv_header_+set}" = set; then
+  { echo "$as_me:$LINENO: checking for " >&5
+echo $ECHO_N "checking for ... $ECHO_C" >&6; }
+if test "${ac_cv_header_+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_" >&5
+echo "${ECHO_T}$ac_cv_header_" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking  usability" >&5
+echo $ECHO_N "checking  usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking  presence" >&5
+echo $ECHO_N "checking  presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: : accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: : accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: : proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: : proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: : present but cannot be compiled" >&5
+echo "$as_me: WARNING: : present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: :     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: :     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: : see the Autoconf documentation" >&5
+echo "$as_me: WARNING: : see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: :     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: :     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: : proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: : proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: : in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: : in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for " >&5
+echo $ECHO_N "checking for ... $ECHO_C" >&6; }
+if test "${ac_cv_header_+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_" >&5
+echo "${ECHO_T}$ac_cv_header_" >&6; }
+
+fi
+if test $ac_cv_header_ = yes; then
+  ROUNDL_HEADER_FOUND=1
+else
+  ROUNDL_HEADER_FOUND=0
+fi
+
+
+	 fi
+      fi
+      if test "x${ROUNDL_HEADER_FOUND}" = "x0" ; then
+         ROUNDL_LIB=""
+         ROUNDL_INCLUDE=""
+      else
+         if test "x${pbxfuncname}" = "x" ; then		# only checking headers -> no library
+	    ROUNDL_LIB=""
+	 fi
+         PBX_ROUNDL=1
+         # XXX don't know how to evaluate the description (third argument) in AC_DEFINE_UNQUOTED
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_ROUNDL 1
+_ACEOF
+
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_ROUNDL_VERSION
+_ACEOF
+
+      fi
+   fi
+fi
+
+
+if test "x${PBX_TRUNCL}" != "x1" -a "${USE_TRUNCL}" != "no"; then
+   pbxlibdir=""
+   if test "x${TRUNCL_DIR}" != "x"; then
+      if test -d ${TRUNCL_DIR}/lib; then
+      	 pbxlibdir="-L${TRUNCL_DIR}/lib"
+      else
+      	 pbxlibdir="-L${TRUNCL_DIR}"
+      fi
+   fi
+   pbxfuncname="truncl"
+   if test "x${pbxfuncname}" = "x" ; then   # empty lib, assume only headers
+      AST_TRUNCL_FOUND=yes
+   else
+      as_ac_Lib=`echo "ac_cv_lib_m_${pbxfuncname}" | $as_tr_sh`
+{ echo "$as_me:$LINENO: checking for ${pbxfuncname} in -lm" >&5
+echo $ECHO_N "checking for ${pbxfuncname} in -lm... $ECHO_C" >&6; }
+if { as_var=$as_ac_Lib; eval "test \"\${$as_var+set}\" = set"; }; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lm ${pbxlibdir}  $LIBS"
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* 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 ${pbxfuncname} ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
+  eval "$as_ac_Lib=yes"
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval "$as_ac_Lib=no"
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+ac_res=`eval echo '${'$as_ac_Lib'}'`
+	       { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+if test `eval echo '${'$as_ac_Lib'}'` = yes; then
+  AST_TRUNCL_FOUND=yes
+else
+  AST_TRUNCL_FOUND=no
+fi
+
+   fi
+
+   if test "${AST_TRUNCL_FOUND}" = "yes"; then
+      TRUNCL_LIB="-lm "
+      TRUNCL_HEADER_FOUND="1"
+      if test "x${TRUNCL_DIR}" != "x"; then
+         TRUNCL_LIB="${pbxlibdir} ${TRUNCL_LIB}"
+	 TRUNCL_INCLUDE="-I${TRUNCL_DIR}/include"
+	 saved_cppflags="${CPPFLAGS}"
+	 CPPFLAGS="${CPPFLAGS} -I${TRUNCL_DIR}/include"
+	 if test "x" != "x" ; then
+	    as_ac_Header=`echo "ac_cv_header_${TRUNCL_DIR}/include/" | $as_tr_sh`
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  { echo "$as_me:$LINENO: checking for ${TRUNCL_DIR}/include/" >&5
+echo $ECHO_N "checking for ${TRUNCL_DIR}/include/... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+ac_res=`eval echo '${'$as_ac_Header'}'`
+	       { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking ${TRUNCL_DIR}/include/ usability" >&5
+echo $ECHO_N "checking ${TRUNCL_DIR}/include/ usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <${TRUNCL_DIR}/include/>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking ${TRUNCL_DIR}/include/ presence" >&5
+echo $ECHO_N "checking ${TRUNCL_DIR}/include/ presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <${TRUNCL_DIR}/include/>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: ${TRUNCL_DIR}/include/: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: ${TRUNCL_DIR}/include/: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ${TRUNCL_DIR}/include/: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: ${TRUNCL_DIR}/include/: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: ${TRUNCL_DIR}/include/: present but cannot be compiled" >&5
+echo "$as_me: WARNING: ${TRUNCL_DIR}/include/: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ${TRUNCL_DIR}/include/:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: ${TRUNCL_DIR}/include/:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ${TRUNCL_DIR}/include/: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: ${TRUNCL_DIR}/include/: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ${TRUNCL_DIR}/include/:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: ${TRUNCL_DIR}/include/:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ${TRUNCL_DIR}/include/: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: ${TRUNCL_DIR}/include/: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ${TRUNCL_DIR}/include/: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: ${TRUNCL_DIR}/include/: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for ${TRUNCL_DIR}/include/" >&5
+echo $ECHO_N "checking for ${TRUNCL_DIR}/include/... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  eval "$as_ac_Header=\$ac_header_preproc"
+fi
+ac_res=`eval echo '${'$as_ac_Header'}'`
+	       { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+
+fi
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+  TRUNCL_HEADER_FOUND=1
+else
+  TRUNCL_HEADER_FOUND=0
+fi
+
+
+	 fi
+	 CPPFLAGS="${saved_cppflags}"
+      else
+	 if test "x" != "x" ; then
+            if test "${ac_cv_header_+set}" = set; then
+  { echo "$as_me:$LINENO: checking for " >&5
+echo $ECHO_N "checking for ... $ECHO_C" >&6; }
+if test "${ac_cv_header_+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_" >&5
+echo "${ECHO_T}$ac_cv_header_" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking  usability" >&5
+echo $ECHO_N "checking  usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking  presence" >&5
+echo $ECHO_N "checking  presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: : accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: : accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: : proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: : proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: : present but cannot be compiled" >&5
+echo "$as_me: WARNING: : present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: :     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: :     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: : see the Autoconf documentation" >&5
+echo "$as_me: WARNING: : see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: :     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: :     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: : proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: : proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: : in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: : in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for " >&5
+echo $ECHO_N "checking for ... $ECHO_C" >&6; }
+if test "${ac_cv_header_+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_" >&5
+echo "${ECHO_T}$ac_cv_header_" >&6; }
+
+fi
+if test $ac_cv_header_ = yes; then
+  TRUNCL_HEADER_FOUND=1
+else
+  TRUNCL_HEADER_FOUND=0
+fi
+
+
+	 fi
+      fi
+      if test "x${TRUNCL_HEADER_FOUND}" = "x0" ; then
+         TRUNCL_LIB=""
+         TRUNCL_INCLUDE=""
+      else
+         if test "x${pbxfuncname}" = "x" ; then		# only checking headers -> no library
+	    TRUNCL_LIB=""
+	 fi
+         PBX_TRUNCL=1
+         # XXX don't know how to evaluate the description (third argument) in AC_DEFINE_UNQUOTED
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_TRUNCL 1
+_ACEOF
+
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_TRUNCL_VERSION
+_ACEOF
+
+      fi
+   fi
+fi
+
+
 if test "x${PBX_EXP2}" != "x1" -a "${USE_EXP2}" != "no"; then
    pbxlibdir=""
    if test "x${EXP2_DIR}" != "x"; then
@@ -21345,6 +22125,786 @@ _ACEOF
 fi
 
 
+if test "x${PBX_ROUND}" != "x1" -a "${USE_ROUND}" != "no"; then
+   pbxlibdir=""
+   if test "x${ROUND_DIR}" != "x"; then
+      if test -d ${ROUND_DIR}/lib; then
+      	 pbxlibdir="-L${ROUND_DIR}/lib"
+      else
+      	 pbxlibdir="-L${ROUND_DIR}"
+      fi
+   fi
+   pbxfuncname="round"
+   if test "x${pbxfuncname}" = "x" ; then   # empty lib, assume only headers
+      AST_ROUND_FOUND=yes
+   else
+      as_ac_Lib=`echo "ac_cv_lib_m_${pbxfuncname}" | $as_tr_sh`
+{ echo "$as_me:$LINENO: checking for ${pbxfuncname} in -lm" >&5
+echo $ECHO_N "checking for ${pbxfuncname} in -lm... $ECHO_C" >&6; }
+if { as_var=$as_ac_Lib; eval "test \"\${$as_var+set}\" = set"; }; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lm ${pbxlibdir}  $LIBS"
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* 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 ${pbxfuncname} ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
+  eval "$as_ac_Lib=yes"
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval "$as_ac_Lib=no"
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+ac_res=`eval echo '${'$as_ac_Lib'}'`
+	       { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+if test `eval echo '${'$as_ac_Lib'}'` = yes; then
+  AST_ROUND_FOUND=yes
+else
+  AST_ROUND_FOUND=no
+fi
+
+   fi
+
+   if test "${AST_ROUND_FOUND}" = "yes"; then
+      ROUND_LIB="-lm "
+      ROUND_HEADER_FOUND="1"
+      if test "x${ROUND_DIR}" != "x"; then
+         ROUND_LIB="${pbxlibdir} ${ROUND_LIB}"
+	 ROUND_INCLUDE="-I${ROUND_DIR}/include"
+	 saved_cppflags="${CPPFLAGS}"
+	 CPPFLAGS="${CPPFLAGS} -I${ROUND_DIR}/include"
+	 if test "x" != "x" ; then
+	    as_ac_Header=`echo "ac_cv_header_${ROUND_DIR}/include/" | $as_tr_sh`
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  { echo "$as_me:$LINENO: checking for ${ROUND_DIR}/include/" >&5
+echo $ECHO_N "checking for ${ROUND_DIR}/include/... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+ac_res=`eval echo '${'$as_ac_Header'}'`
+	       { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking ${ROUND_DIR}/include/ usability" >&5
+echo $ECHO_N "checking ${ROUND_DIR}/include/ usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <${ROUND_DIR}/include/>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking ${ROUND_DIR}/include/ presence" >&5
+echo $ECHO_N "checking ${ROUND_DIR}/include/ presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <${ROUND_DIR}/include/>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: ${ROUND_DIR}/include/: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: ${ROUND_DIR}/include/: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ${ROUND_DIR}/include/: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: ${ROUND_DIR}/include/: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: ${ROUND_DIR}/include/: present but cannot be compiled" >&5
+echo "$as_me: WARNING: ${ROUND_DIR}/include/: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ${ROUND_DIR}/include/:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: ${ROUND_DIR}/include/:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ${ROUND_DIR}/include/: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: ${ROUND_DIR}/include/: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ${ROUND_DIR}/include/:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: ${ROUND_DIR}/include/:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ${ROUND_DIR}/include/: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: ${ROUND_DIR}/include/: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ${ROUND_DIR}/include/: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: ${ROUND_DIR}/include/: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for ${ROUND_DIR}/include/" >&5
+echo $ECHO_N "checking for ${ROUND_DIR}/include/... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  eval "$as_ac_Header=\$ac_header_preproc"
+fi
+ac_res=`eval echo '${'$as_ac_Header'}'`
+	       { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+
+fi
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+  ROUND_HEADER_FOUND=1
+else
+  ROUND_HEADER_FOUND=0
+fi
+
+
+	 fi
+	 CPPFLAGS="${saved_cppflags}"
+      else
+	 if test "x" != "x" ; then
+            if test "${ac_cv_header_+set}" = set; then
+  { echo "$as_me:$LINENO: checking for " >&5
+echo $ECHO_N "checking for ... $ECHO_C" >&6; }
+if test "${ac_cv_header_+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_" >&5
+echo "${ECHO_T}$ac_cv_header_" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking  usability" >&5
+echo $ECHO_N "checking  usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking  presence" >&5
+echo $ECHO_N "checking  presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: : accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: : accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: : proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: : proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: : present but cannot be compiled" >&5
+echo "$as_me: WARNING: : present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: :     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: :     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: : see the Autoconf documentation" >&5
+echo "$as_me: WARNING: : see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: :     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: :     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: : proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: : proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: : in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: : in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for " >&5
+echo $ECHO_N "checking for ... $ECHO_C" >&6; }
+if test "${ac_cv_header_+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_" >&5
+echo "${ECHO_T}$ac_cv_header_" >&6; }
+
+fi
+if test $ac_cv_header_ = yes; then
+  ROUND_HEADER_FOUND=1
+else
+  ROUND_HEADER_FOUND=0
+fi
+
+
+	 fi
+      fi
+      if test "x${ROUND_HEADER_FOUND}" = "x0" ; then
+         ROUND_LIB=""
+         ROUND_INCLUDE=""
+      else
+         if test "x${pbxfuncname}" = "x" ; then		# only checking headers -> no library
+	    ROUND_LIB=""
+	 fi
+         PBX_ROUND=1
+         # XXX don't know how to evaluate the description (third argument) in AC_DEFINE_UNQUOTED
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_ROUND 1
+_ACEOF
+
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_ROUND_VERSION
+_ACEOF
+
+      fi
+   fi
+fi
+
+
+if test "x${PBX_TRUNC}" != "x1" -a "${USE_TRUNC}" != "no"; then
+   pbxlibdir=""
+   if test "x${TRUNC_DIR}" != "x"; then
+      if test -d ${TRUNC_DIR}/lib; then
+      	 pbxlibdir="-L${TRUNC_DIR}/lib"
+      else
+      	 pbxlibdir="-L${TRUNC_DIR}"
+      fi
+   fi
+   pbxfuncname="trunc"
+   if test "x${pbxfuncname}" = "x" ; then   # empty lib, assume only headers
+      AST_TRUNC_FOUND=yes
+   else
+      as_ac_Lib=`echo "ac_cv_lib_m_${pbxfuncname}" | $as_tr_sh`
+{ echo "$as_me:$LINENO: checking for ${pbxfuncname} in -lm" >&5
+echo $ECHO_N "checking for ${pbxfuncname} in -lm... $ECHO_C" >&6; }
+if { as_var=$as_ac_Lib; eval "test \"\${$as_var+set}\" = set"; }; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lm ${pbxlibdir}  $LIBS"
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* 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 ${pbxfuncname} ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
+  eval "$as_ac_Lib=yes"
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval "$as_ac_Lib=no"
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+ac_res=`eval echo '${'$as_ac_Lib'}'`
+	       { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+if test `eval echo '${'$as_ac_Lib'}'` = yes; then
+  AST_TRUNC_FOUND=yes
+else
+  AST_TRUNC_FOUND=no
+fi
+
+   fi
+
+   if test "${AST_TRUNC_FOUND}" = "yes"; then
+      TRUNC_LIB="-lm "
+      TRUNC_HEADER_FOUND="1"
+      if test "x${TRUNC_DIR}" != "x"; then
+         TRUNC_LIB="${pbxlibdir} ${TRUNC_LIB}"
+	 TRUNC_INCLUDE="-I${TRUNC_DIR}/include"
+	 saved_cppflags="${CPPFLAGS}"
+	 CPPFLAGS="${CPPFLAGS} -I${TRUNC_DIR}/include"
+	 if test "x" != "x" ; then
+	    as_ac_Header=`echo "ac_cv_header_${TRUNC_DIR}/include/" | $as_tr_sh`
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  { echo "$as_me:$LINENO: checking for ${TRUNC_DIR}/include/" >&5
+echo $ECHO_N "checking for ${TRUNC_DIR}/include/... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+ac_res=`eval echo '${'$as_ac_Header'}'`
+	       { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking ${TRUNC_DIR}/include/ usability" >&5
+echo $ECHO_N "checking ${TRUNC_DIR}/include/ usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <${TRUNC_DIR}/include/>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking ${TRUNC_DIR}/include/ presence" >&5
+echo $ECHO_N "checking ${TRUNC_DIR}/include/ presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <${TRUNC_DIR}/include/>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: ${TRUNC_DIR}/include/: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: ${TRUNC_DIR}/include/: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ${TRUNC_DIR}/include/: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: ${TRUNC_DIR}/include/: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: ${TRUNC_DIR}/include/: present but cannot be compiled" >&5
+echo "$as_me: WARNING: ${TRUNC_DIR}/include/: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ${TRUNC_DIR}/include/:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: ${TRUNC_DIR}/include/:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ${TRUNC_DIR}/include/: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: ${TRUNC_DIR}/include/: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ${TRUNC_DIR}/include/:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: ${TRUNC_DIR}/include/:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ${TRUNC_DIR}/include/: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: ${TRUNC_DIR}/include/: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ${TRUNC_DIR}/include/: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: ${TRUNC_DIR}/include/: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for ${TRUNC_DIR}/include/" >&5
+echo $ECHO_N "checking for ${TRUNC_DIR}/include/... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  eval "$as_ac_Header=\$ac_header_preproc"
+fi
+ac_res=`eval echo '${'$as_ac_Header'}'`
+	       { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+
+fi
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+  TRUNC_HEADER_FOUND=1
+else
+  TRUNC_HEADER_FOUND=0
+fi
+
+
+	 fi
+	 CPPFLAGS="${saved_cppflags}"
+      else
+	 if test "x" != "x" ; then
+            if test "${ac_cv_header_+set}" = set; then
+  { echo "$as_me:$LINENO: checking for " >&5
+echo $ECHO_N "checking for ... $ECHO_C" >&6; }
+if test "${ac_cv_header_+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_" >&5
+echo "${ECHO_T}$ac_cv_header_" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking  usability" >&5
+echo $ECHO_N "checking  usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking  presence" >&5
+echo $ECHO_N "checking  presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: : accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: : accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: : proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: : proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: : present but cannot be compiled" >&5
+echo "$as_me: WARNING: : present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: :     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: :     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: : see the Autoconf documentation" >&5
+echo "$as_me: WARNING: : see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: :     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: :     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: : proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: : proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: : in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: : in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for " >&5
+echo $ECHO_N "checking for ... $ECHO_C" >&6; }
+if test "${ac_cv_header_+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_" >&5
+echo "${ECHO_T}$ac_cv_header_" >&6; }
+
+fi
+if test $ac_cv_header_ = yes; then
+  TRUNC_HEADER_FOUND=1
+else
+  TRUNC_HEADER_FOUND=0
+fi
+
+
+	 fi
+      fi
+      if test "x${TRUNC_HEADER_FOUND}" = "x0" ; then
+         TRUNC_LIB=""
+         TRUNC_INCLUDE=""
+      else
+         if test "x${pbxfuncname}" = "x" ; then		# only checking headers -> no library
+	    TRUNC_LIB=""
+	 fi
+         PBX_TRUNC=1
+         # XXX don't know how to evaluate the description (third argument) in AC_DEFINE_UNQUOTED
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_TRUNC 1
+_ACEOF
+
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_TRUNC_VERSION
+_ACEOF
+
+      fi
+   fi
+fi
+
+
 GSM_INTERNAL="yes"
 
 GSM_SYSTEM="yes"