Hi Michael:

  After upgrading SWIG the Csound5 build now fails here:

g++ -DCSOUND_WITH_API -g -O2 -DLINUX -Wall -DPIPES -DHAVE_FCNTL_H 
-DHAVE_UNISTD_H -DHAVE_MALLOC_H -DHAVE_SGTTY_H -DHAVE_SYS_IOCTL_H 
-DHAVE_SYS_TIME_H -DHAVE_SYS_TYPES_H -DHAVE_TERMIOS_H -DHAVE_STRING_H 
-DHAVE_STRINGS_H -DHAVE_DIRENT_H -O2 -g -pipe -march=i386 -mcpu=i686 -O2 
-g -pipe -march=i386 -mcpu=i686 -Wl,-rpath,/usr/lib -O2 -g -pipe 
-march=i386 -mcpu=i686 -DRTAUDIO -DWINDOWS -DUSE_FLTK -DCSOUND_WITH_API 
-fexceptions -fPIC -DBETA -I. -IH -I/usr/local/include -I/usr/include 
-I/usr/X11R6/include -I/usr/include/freetype2 -I/usr/X11R6/include 
-Ifrontends/CsoundVST -I/usr/local/include/python2.3 -c -o 
frontends/CsoundVST/System.os frontends/CsoundVST/System.cpp
frontends/CsoundVST/System.cpp: In function `char* 
csound::__xpg_basename(const    char*)':
frontends/CsoundVST/System.cpp:691: warning: comparison between signed 
and    unsigned integer expressions
frontends/CsoundVST/System.cpp: In function `char* csound::dirname(const 
   char*)':
frontends/CsoundVST/System.cpp:729: warning: comparison between signed 
and    unsigned integer expressions
frontends/CsoundVST/System.cpp: In static member function `static int    
csound::System::execute(const char*)':
frontends/CsoundVST/System.cpp:739: `fork' undeclared (first use this 
function)frontends/CsoundVST/System.cpp:739: (Each undeclared identifier 
is reported    only once for each function it appears in.)
frontends/CsoundVST/System.cpp:746: `execv' undeclared (first use this 
   function)
frontends/CsoundVST/System.cpp: In function `static void    
csound::System::waitThreadLock(void*, unsigned int)':
frontends/CsoundVST/System.cpp:851: warning: unused variable `int 
returnValue'
frontends/CsoundVST/System.cpp: In function `static void    
csound::System::notifyThreadLock(void*)':
frontends/CsoundVST/System.cpp:857: warning: unused variable `int 
returnValue'
frontends/CsoundVST/System.cpp: In function `static void    
csound::System::destroyThreadLock(void*)':
frontends/CsoundVST/System.cpp:863: warning: unused variable `int 
returnValue'
scons: *** [frontends/CsoundVST/System.os] Error 1
scons: building terminated because of errors.

Best,

dp