These changes fix 10145 and 10150, a prob with BSD and exp2/log2 not existing, as well as the bootstrap needing a small upgrade for openbsd. Many thanks to mvanbaak

git-svn-id: http://svn.digium.com/svn/asterisk/trunk@73821 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 790 insertions, 12 deletions

diff --git a/configure b/configure
index 6afbbb1f2..7dd0ed2c8 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.ac Revision: 72738 .
+# From configure.ac Revision: 72767 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.61.
 #
@@ -203,7 +203,7 @@ if as_func_ret_failure; then
   echo as_func_ret_failure succeeded.
 fi
 
-if ( set x; as_func_ret_success y && test x = \"\$1\" ); then
+if (set x; as_func_ret_success y && test x = \"\$1\" ); then
   :
 else
   exitcode=1
@@ -407,7 +407,7 @@ if as_func_ret_failure; then
   echo as_func_ret_failure succeeded.
 fi
 
-if ( set x; as_func_ret_success y && test x = \"\$1\" ); then
+if (set x; as_func_ret_success y && test x = \"\$1\" ); then
   :
 else
   exitcode=1
@@ -6469,7 +6469,7 @@ else
    GNU_MAKE_VERSION_MINOR=0 ;
    for a in make gmake gnumake ; do
       if test -z "$a" ; then continue ; fi ;
-      if ( sh -c "$a --version" 2> /dev/null | grep GNU  2>&1 > /dev/null ) ;  then
+      if (sh -c "$a --version" 2> /dev/null | grep GNU  2>&1 > /dev/null ) ;  then
          GNU_MAKE=$a ;
          GNU_MAKE_VERSION_MAJOR=`$GNU_MAKE --version | grep "GNU Make" | cut -f3 -d' ' | cut -f1 -d'.'`
          GNU_MAKE_VERSION_MINOR=`$GNU_MAKE --version | grep "GNU Make" | cut -f2 -d'.' | cut -c1-2`
@@ -12127,13 +12127,11 @@ _ACEOF
 cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
-#include <sys/types.h> /* for off_t */
-     #include <stdio.h>
+#include <stdio.h>
 int
 main ()
 {
-int (*fp) (FILE *, off_t, int) = fseeko;
-     return fseeko (stdin, 0, 0) && fp (stdin, 0, 0);
+return fseeko (stdin, 0, 0) && (fseeko) (stdin, 0, 0);
   ;
   return 0;
 }
@@ -12173,13 +12171,11 @@ cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #define _LARGEFILE_SOURCE 1
-#include <sys/types.h> /* for off_t */
-     #include <stdio.h>
+#include <stdio.h>
 int
 main ()
 {
-int (*fp) (FILE *, off_t, int) = fseeko;
-     return fseeko (stdin, 0, 0) && fp (stdin, 0, 0);
+return fseeko (stdin, 0, 0) && (fseeko) (stdin, 0, 0);
   ;
   return 0;
 }
@@ -17653,6 +17649,788 @@ fi
 
 fi
 
+# BSD might not have exp2, and/or log2
+
+if test "x${PBX_EXP2}" != "x1" -a "${USE_EXP2}" != "no"; then
+   pbxlibdir=""
+   if test "x${EXP2_DIR}" != "x"; then
+      if test -d ${EXP2_DIR}/lib; then
+      	 pbxlibdir="-L${EXP2_DIR}/lib"
+      else
+      	 pbxlibdir="-L${EXP2_DIR}"
+      fi
+   fi
+   pbxfuncname="exp2"
+   if test "x${pbxfuncname}" = "x" ; then   # empty lib, assume only headers
+      AST_EXP2_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}$ac_res" >&6; }
+if test `eval echo '${'$as_ac_Lib'}'` = yes; then
+  AST_EXP2_FOUND=yes
+else
+  AST_EXP2_FOUND=no
+fi
+
+   fi
+
+   if test "${AST_EXP2_FOUND}" = "yes"; then
+      EXP2_LIB="-lm "
+      EXP2_HEADER_FOUND="1"
+      if test "x${EXP2_DIR}" != "x"; then
+         EXP2_LIB="${pbxlibdir} ${EXP2_LIB}"
+	 EXP2_INCLUDE="-I${EXP2_DIR}/include"
+	 saved_cppflags="${CPPFLAGS}"
+	 CPPFLAGS="${CPPFLAGS} -I${EXP2_DIR}/include"
+	 if test "x" != "x" ; then
+	    as_ac_Header=`echo "ac_cv_header_${EXP2_DIR}/include/" | $as_tr_sh`
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  { echo "$as_me:$LINENO: checking for ${EXP2_DIR}/include/" >&5
+echo $ECHO_N "checking for ${EXP2_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 ${EXP2_DIR}/include/ usability" >&5
+echo $ECHO_N "checking ${EXP2_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.  */
+$ac_includes_default
+#include <${EXP2_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 ${EXP2_DIR}/include/ presence" >&5
+echo $ECHO_N "checking ${EXP2_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 <${EXP2_DIR}/include/>
+_ACEOF
+if { (ac_try="$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: ${EXP2_DIR}/include/: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: ${EXP2_DIR}/include/: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ${EXP2_DIR}/include/: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: ${EXP2_DIR}/include/: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: ${EXP2_DIR}/include/: present but cannot be compiled" >&5
+echo "$as_me: WARNING: ${EXP2_DIR}/include/: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ${EXP2_DIR}/include/:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: ${EXP2_DIR}/include/:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ${EXP2_DIR}/include/: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: ${EXP2_DIR}/include/: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ${EXP2_DIR}/include/:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: ${EXP2_DIR}/include/:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ${EXP2_DIR}/include/: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: ${EXP2_DIR}/include/: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ${EXP2_DIR}/include/: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: ${EXP2_DIR}/include/: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for ${EXP2_DIR}/include/" >&5
+echo $ECHO_N "checking for ${EXP2_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}$ac_res" >&6; }
+
+fi
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+  EXP2_HEADER_FOUND=1
+else
+  EXP2_HEADER_FOUND=0
+fi
+
+
+	 fi
+	 CPPFLAGS="${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 $ac_cv_header_ = yes; then
+  EXP2_HEADER_FOUND=1
+else
+  EXP2_HEADER_FOUND=0
+fi
+
+
+	 fi
+      fi
+      if test "x${EXP2_HEADER_FOUND}" = "x0" ; then
+         EXP2_LIB=""
+         EXP2_INCLUDE=""
+      else
+         if test "x${pbxfuncname}" = "x" ; then		# only checking headers -> no library
+	    EXP2_LIB=""
+	 fi
+         PBX_EXP2=1
+         # XXX don't know how to evaluate the description (third argument) in AC_DEFINE_UNQUOTED
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_EXP2 1
+_ACEOF
+
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_EXP2_VERSION
+_ACEOF
+
+      fi
+   fi
+fi
+
+
+if test "x${PBX_LOG2}" != "x1" -a "${USE_LOG2}" != "no"; then
+   pbxlibdir=""
+   if test "x${LOG2_DIR}" != "x"; then
+      if test -d ${LOG2_DIR}/lib; then
+      	 pbxlibdir="-L${LOG2_DIR}/lib"
+      else
+      	 pbxlibdir="-L${LOG2_DIR}"
+      fi
+   fi
+   pbxfuncname="log2"
+   if test "x${pbxfuncname}" = "x" ; then   # empty lib, assume only headers
+      AST_LOG2_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}$ac_res" >&6; }
+if test `eval echo '${'$as_ac_Lib'}'` = yes; then
+  AST_LOG2_FOUND=yes
+else
+  AST_LOG2_FOUND=no
+fi
+
+   fi
+
+   if test "${AST_LOG2_FOUND}" = "yes"; then
+      LOG2_LIB="-lm "
+      LOG2_HEADER_FOUND="1"
+      if test "x${LOG2_DIR}" != "x"; then
+         LOG2_LIB="${pbxlibdir} ${LOG2_LIB}"
+	 LOG2_INCLUDE="-I${LOG2_DIR}/include"
+	 saved_cppflags="${CPPFLAGS}"
+	 CPPFLAGS="${CPPFLAGS} -I${LOG2_DIR}/include"
+	 if test "x" != "x" ; then
+	    as_ac_Header=`echo "ac_cv_header_${LOG2_DIR}/include/" | $as_tr_sh`
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  { echo "$as_me:$LINENO: checking for ${LOG2_DIR}/include/" >&5
+echo $ECHO_N "checking for ${LOG2_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 ${LOG2_DIR}/include/ usability" >&5
+echo $ECHO_N "checking ${LOG2_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.  */
+$ac_includes_default
+#include <${LOG2_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 ${LOG2_DIR}/include/ presence" >&5
+echo $ECHO_N "checking ${LOG2_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 <${LOG2_DIR}/include/>
+_ACEOF
+if { (ac_try="$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: ${LOG2_DIR}/include/: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: ${LOG2_DIR}/include/: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ${LOG2_DIR}/include/: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: ${LOG2_DIR}/include/: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: ${LOG2_DIR}/include/: present but cannot be compiled" >&5
+echo "$as_me: WARNING: ${LOG2_DIR}/include/: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ${LOG2_DIR}/include/:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: ${LOG2_DIR}/include/:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ${LOG2_DIR}/include/: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: ${LOG2_DIR}/include/: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ${LOG2_DIR}/include/:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: ${LOG2_DIR}/include/:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ${LOG2_DIR}/include/: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: ${LOG2_DIR}/include/: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ${LOG2_DIR}/include/: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: ${LOG2_DIR}/include/: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for ${LOG2_DIR}/include/" >&5
+echo $ECHO_N "checking for ${LOG2_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}$ac_res" >&6; }
+
+fi
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+  LOG2_HEADER_FOUND=1
+else
+  LOG2_HEADER_FOUND=0
+fi
+
+
+	 fi
+	 CPPFLAGS="${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 $ac_cv_header_ = yes; then
+  LOG2_HEADER_FOUND=1
+else
+  LOG2_HEADER_FOUND=0
+fi
+
+
+	 fi
+      fi
+      if test "x${LOG2_HEADER_FOUND}" = "x0" ; then
+         LOG2_LIB=""
+         LOG2_INCLUDE=""
+      else
+         if test "x${pbxfuncname}" = "x" ; then		# only checking headers -> no library
+	    LOG2_LIB=""
+	 fi
+         PBX_LOG2=1
+         # XXX don't know how to evaluate the description (third argument) in AC_DEFINE_UNQUOTED
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_LOG2 1
+_ACEOF
+
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_LOG2_VERSION
+_ACEOF
+
+      fi
+   fi
+fi
+
+
 GSM_INTERNAL="yes"
 
 GSM_SYSTEM="yes"