Add new "pri show version" command to show the libpri version for support reasons.

git-svn-id: http://svn.digium.com/svn/asterisk/branches/1.4@115257 f38db490-d61c-443f-a65b-d21fe96a405b

5 files changed, 438 insertions, 5 deletions

diff --git a/CHANGES b/CHANGES
index 129334eb4..5b25d6959 100644
--- a/CHANGES
+++ b/CHANGES
@@ -340,3 +340,6 @@ Changes since Asterisk 1.2:
     * New manager events:
          1. OriginateResponse event comes to replace OriginateSuccess and OriginateFailure
     * iLBC source code no longer included (see UPGRADE.txt for details)
+	* New CLI command "pri show version" that shows the current version of libpri
+	  that the library was built against (requires a version of libpri since this API
+	  feature was added).
diff --git a/channels/chan_zap.c b/channels/chan_zap.c
index 0653a2a36..fc016bac9 100644
--- a/channels/chan_zap.c
+++ b/channels/chan_zap.c
@@ -9609,6 +9609,13 @@ static int handle_pri_set_debug_file(int fd, int argc, char **argv)
 	return RESULT_SUCCESS;
 }
 
+#ifdef HAVE_PRI_VERSION
+static int handle_pri_version(int fd, int agc, char *argv[]) {
+	ast_cli(fd, "libpri version: %s\n", pri_get_version());
+	return RESULT_SUCCESS;
+}
+#endif
+
 static int handle_pri_debug(int fd, int argc, char *argv[])
 {
 	int span;
@@ -9845,6 +9852,11 @@ static struct ast_cli_entry zap_pri_cli[] = {
 
 	{ { "pri", "unset", "debug", "file", NULL },
 	handle_pri_set_debug_file, "Ends PRI debug output to file" },
+
+#ifdef HAVE_PRI_VERSION
+	{ { "pri", "show", "version", NULL },
+	handle_pri_version, "Displays version of libpri" },
+#endif
 };
 
 #endif /* HAVE_PRI */
diff --git a/configure b/configure
index 485125c9c..427b3f7d6 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.ac Revision: 107461 .
+# From configure.ac Revision: 114695 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.61 for asterisk 1.4.
 #
@@ -12089,11 +12089,13 @@ _ACEOF
 cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
-#include <stdio.h>
+#include <sys/types.h> /* for off_t */
+     #include <stdio.h>
 int
 main ()
 {
-return fseeko (stdin, 0, 0) && (fseeko) (stdin, 0, 0);
+int (*fp) (FILE *, off_t, int) = fseeko;
+     return fseeko (stdin, 0, 0) && fp (stdin, 0, 0);
   ;
   return 0;
 }
@@ -12133,11 +12135,13 @@ cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #define _LARGEFILE_SOURCE 1
-#include <stdio.h>
+#include <sys/types.h> /* for off_t */
+     #include <stdio.h>
 int
 main ()
 {
-return fseeko (stdin, 0, 0) && (fseeko) (stdin, 0, 0);
+int (*fp) (FILE *, off_t, int) = fseeko;
+     return fseeko (stdin, 0, 0) && fp (stdin, 0, 0);
   ;
   return 0;
 }
@@ -25976,6 +25980,415 @@ echo "$as_me: *** without explicitly specifying --with-${PRI_OPTION}" >&6;}
 fi
 
 
+
+if test "${USE_PRI_VERSION}" != "no"; then
+   pbxlibdir=""
+   if test "x${PRI_VERSION_DIR}" != "x"; then
+      if test -d ${PRI_VERSION_DIR}/lib; then
+      	 pbxlibdir="-L${PRI_VERSION_DIR}/lib"
+      else
+      	 pbxlibdir="-L${PRI_VERSION_DIR}"
+      fi
+   fi
+   { echo "$as_me:$LINENO: checking for pri_get_version in -lpri" >&5
+echo $ECHO_N "checking for pri_get_version in -lpri... $ECHO_C" >&6; }
+if test "${ac_cv_lib_pri_pri_get_version+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lpri ${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 pri_get_version ();
+int
+main ()
+{
+return pri_get_version ();
+  ;
+  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
+  ac_cv_lib_pri_pri_get_version=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_lib_pri_pri_get_version=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
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_pri_pri_get_version" >&5
+echo "${ECHO_T}$ac_cv_lib_pri_pri_get_version" >&6; }
+if test $ac_cv_lib_pri_pri_get_version = yes; then
+  AST_PRI_VERSION_FOUND=yes
+else
+  AST_PRI_VERSION_FOUND=no
+fi
+
+
+   if test "${AST_PRI_VERSION_FOUND}" = "yes"; then
+      PRI_VERSION_LIB="-lpri "
+      PRI_VERSION_HEADER_FOUND="1"
+      if test "x${PRI_VERSION_DIR}" != "x"; then
+         PRI_VERSION_LIB="${pbxlibdir} ${PRI_VERSION_LIB}"
+	 PRI_VERSION_INCLUDE="-I${PRI_VERSION_DIR}/include"
+	 saved_cppflags="${CPPFLAGS}"
+	 CPPFLAGS="${CPPFLAGS} -I${PRI_VERSION_DIR}/include"
+	 if test "xlibpri.h" != "x" ; then
+	    as_ac_Header=`echo "ac_cv_header_${PRI_VERSION_DIR}/include/libpri.h" | $as_tr_sh`
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  { echo "$as_me:$LINENO: checking for ${PRI_VERSION_DIR}/include/libpri.h" >&5
+echo $ECHO_N "checking for ${PRI_VERSION_DIR}/include/libpri.h... $ECHO_C" >&6; }
+if { as_var=$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 ${PRI_VERSION_DIR}/include/libpri.h usability" >&5
+echo $ECHO_N "checking ${PRI_VERSION_DIR}/include/libpri.h 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.  */
+$ac_includes_default
+#include <${PRI_VERSION_DIR}/include/libpri.h>
+_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 ${PRI_VERSION_DIR}/include/libpri.h presence" >&5
+echo $ECHO_N "checking ${PRI_VERSION_DIR}/include/libpri.h 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 <${PRI_VERSION_DIR}/include/libpri.h>
+_ACEOF
+if { (ac_try="$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: ${PRI_VERSION_DIR}/include/libpri.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: ${PRI_VERSION_DIR}/include/libpri.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ${PRI_VERSION_DIR}/include/libpri.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: ${PRI_VERSION_DIR}/include/libpri.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: ${PRI_VERSION_DIR}/include/libpri.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: ${PRI_VERSION_DIR}/include/libpri.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ${PRI_VERSION_DIR}/include/libpri.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: ${PRI_VERSION_DIR}/include/libpri.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ${PRI_VERSION_DIR}/include/libpri.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: ${PRI_VERSION_DIR}/include/libpri.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ${PRI_VERSION_DIR}/include/libpri.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: ${PRI_VERSION_DIR}/include/libpri.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ${PRI_VERSION_DIR}/include/libpri.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: ${PRI_VERSION_DIR}/include/libpri.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ${PRI_VERSION_DIR}/include/libpri.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: ${PRI_VERSION_DIR}/include/libpri.h: in the future, the compiler will take precedence" >&2;}
+    ( cat <<\_ASBOX
+## ------------------------------- ##
+## Report this to www.asterisk.org ##
+## ------------------------------- ##
+_ASBOX
+     ) | sed "s/^/$as_me: WARNING:     /" >&2
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for ${PRI_VERSION_DIR}/include/libpri.h" >&5
+echo $ECHO_N "checking for ${PRI_VERSION_DIR}/include/libpri.h... $ECHO_C" >&6; }
+if { as_var=$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}$ac_res" >&6; }
+
+fi
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+  PRI_VERSION_HEADER_FOUND=1
+else
+  PRI_VERSION_HEADER_FOUND=0
+fi
+
+
+	 fi
+	 CPPFLAGS="${saved_cppflags}"
+      else
+	 if test "xlibpri.h" != "x" ; then
+            if test "${ac_cv_header_libpri_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for libpri.h" >&5
+echo $ECHO_N "checking for libpri.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_libpri_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_libpri_h" >&5
+echo "${ECHO_T}$ac_cv_header_libpri_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking libpri.h usability" >&5
+echo $ECHO_N "checking libpri.h 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.  */
+$ac_includes_default
+#include <libpri.h>
+_ACEOF
+rm -f conftest.$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 libpri.h presence" >&5
+echo $ECHO_N "checking libpri.h 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 <libpri.h>
+_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:$LINENO: WARNING: libpri.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: libpri.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: libpri.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: libpri.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: libpri.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: libpri.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: libpri.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: libpri.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: libpri.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: libpri.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: libpri.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: libpri.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: libpri.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: libpri.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: libpri.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: libpri.h: in the future, the compiler will take precedence" >&2;}
+    ( cat <<\_ASBOX
+## ------------------------------- ##
+## Report this to www.asterisk.org ##
+## ------------------------------- ##
+_ASBOX
+     ) | sed "s/^/$as_me: WARNING:     /" >&2
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for libpri.h" >&5
+echo $ECHO_N "checking for libpri.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_libpri_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_libpri_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_libpri_h" >&5
+echo "${ECHO_T}$ac_cv_header_libpri_h" >&6; }
+
+fi
+if test $ac_cv_header_libpri_h = yes; then
+  PRI_VERSION_HEADER_FOUND=1
+else
+  PRI_VERSION_HEADER_FOUND=0
+fi
+
+
+	 fi
+      fi
+      if test "x${PRI_VERSION_HEADER_FOUND}" = "x0" ; then
+         if test -n "${PRI_VERSION_MANDATORY}" ;
+         then
+            { echo "$as_me:$LINENO: ***" >&5
+echo "$as_me: ***" >&6;}
+            { echo "$as_me:$LINENO: *** It appears that you do not have the pri development package installed." >&5
+echo "$as_me: *** It appears that you do not have the pri development package installed." >&6;}
+            { echo "$as_me:$LINENO: *** Please install it to include ${PRI_VERSION_DESCRIP} support, or re-run configure" >&5
+echo "$as_me: *** Please install it to include ${PRI_VERSION_DESCRIP} support, or re-run configure" >&6;}
+            { echo "$as_me:$LINENO: *** without explicitly specifying --with-${PRI_VERSION_OPTION}" >&5
+echo "$as_me: *** without explicitly specifying --with-${PRI_VERSION_OPTION}" >&6;}
+            exit 1
+         fi
+         PRI_VERSION_LIB=""
+         PRI_VERSION_INCLUDE=""
+         PBX_PRI_VERSION=0
+      else
+         PBX_PRI_VERSION=1
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_PRI_VERSION 1
+_ACEOF
+
+      fi
+   elif test -n "${PRI_VERSION_MANDATORY}";
+   then
+      { echo "$as_me:$LINENO: ***" >&5
+echo "$as_me: ***" >&6;}
+      { echo "$as_me:$LINENO: *** The ${PRI_VERSION_DESCRIP} installation on this system appears to be broken." >&5
+echo "$as_me: *** The ${PRI_VERSION_DESCRIP} installation on this system appears to be broken." >&6;}
+      { echo "$as_me:$LINENO: *** Either correct the installation, or run configure" >&5
+echo "$as_me: *** Either correct the installation, or run configure" >&6;}
+      { echo "$as_me:$LINENO: *** without explicitly specifying --with-${PRI_VERSION_OPTION}" >&5
+echo "$as_me: *** without explicitly specifying --with-${PRI_VERSION_OPTION}" >&6;}
+      exit 1
+   fi
+fi
+
+
 if test "${USE_PWLIB}" != "no"; then
 	if test -n "${PWLIB_DIR}"; then
 		PWLIBDIR="${PWLIB_DIR}"
diff --git a/configure.ac b/configure.ac
index fed40c3eb..8a44d1c44 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1212,6 +1212,8 @@ AST_EXT_LIB_CHECK([POPT], [popt], [poptStrerror], [popt.h])
 
 AST_EXT_LIB_CHECK([PRI], [pri], [pri_keypad_facility], [libpri.h])
 
+AST_EXT_LIB_CHECK([PRI_VERSION], [pri], [pri_get_version], [libpri.h])
+
 if test "${USE_PWLIB}" != "no"; then
 	if test -n "${PWLIB_DIR}"; then
 		PWLIBDIR="${PWLIB_DIR}"
diff --git a/include/asterisk/autoconfig.h.in b/include/asterisk/autoconfig.h.in
index 8a760320e..e5ac572d5 100644
--- a/include/asterisk/autoconfig.h.in
+++ b/include/asterisk/autoconfig.h.in
@@ -277,6 +277,9 @@
 /* Define to indicate the ${PRI_DESCRIP} library */
 #undef HAVE_PRI
 
+/* Define to indicate the ${PRI_VERSION_DESCRIP} library */
+#undef HAVE_PRI_VERSION
+
 /* Define if you have POSIX threads libraries and header files. */
 #undef HAVE_PTHREAD