Locate and position the current Audacity source code, and clear a variety of old junk out of the way into junk-branches

m4/audacity_checklib_libsbsms.m4

@@ -0,0 +1,60 @@
+dnl Please increment the serial number below whenever you alter this macro
+dnl for the benefit of automatic macro update systems
+# audacity_checklib_libsbsms.m4 serial 1
+
+
+AC_DEFUN([AUDACITY_CHECKLIB_LIBSBSMS], [
+   AC_ARG_WITH(sbsms,
+               [AS_HELP_STRING([--with-sbsms],
+                      [use libsbsms for pitch and tempo changing])],
+               LIBSBSMS_ARGUMENT=$withval,
+               LIBSBSMS_ARGUMENT="unspecified")
+
+   if false ; then
+      AC_DEFINE(USE_SBSMS, 1,
+                [Define if SBSMS support should be enabled])
+   fi
+
+   dnl see if sbsms is installed on the system
+
+   PKG_CHECK_MODULES(SBSMS, sbsms >= 1.6.0,
+                     sbsms_available_system="yes",
+                     sbsms_available_system="no")
+
+
+   if test "x$sbsms_available_system" = "xyes" ; then
+      LIBSBSMS_SYSTEM_AVAILABLE="yes"
+      LIBSBSMS_SYSTEM_LIBS=$SBSMS_LIBS
+      LIBSBSMS_SYSTEM_CXXFLAGS=$SBSMS_CFLAGS
+      LIBSBSMS_SYSTEM_CPPSYMBOLS="USE_SBSMS"
+      AC_MSG_NOTICE([Libsbsms libraries are available as system libraries])
+   else
+      LIBSBSMS_SYSTEM_AVAILABLE="no"
+      AC_MSG_NOTICE([Libsbsms libraries are NOT available as system libraries])
+   fi
+
+   dnl see if libsbsms is available locally
+
+   AC_CHECK_FILE(${srcdir}/lib-src/sbsms/include/sbsms.h,
+                 sbsms_h_found="yes",
+                 sbsms_h_found="no")
+
+   if test "x$sbsms_h_found" = "xyes" ; then
+      LIBSBSMS_LOCAL_AVAILABLE="yes"
+      LIBSBSMS_LOCAL_LIBS="libsbsms.a"
+      LIBSBSMS_LOCAL_CXXFLAGS='-I$(top_srcdir)/lib-src/sbsms/include'
+      LIBSBSMS_LOCAL_CPPSYMBOLS="USE_SBSMS"
+
+	  dnl set up configuring sbsms
+      LIBSBSMS_LOCAL_CONFIG_SUBDIRS="lib-src/sbsms"
+	  ac_configure_args="$ac_configure_args --disable-programs"
+	  dnl do not build programs we don't need
+
+      AC_MSG_NOTICE([libsbsms libraries are available in the local tree])
+   else
+      LIBSBSMS_LOCAL_AVAILABLE="no"
+      AC_MSG_NOTICE([libsbsms libraries are NOT available in the local tree])
+   fi
+
+])
+