Makefile:
- add _csv module to the build list
- various cleanups

config.c:
- various cleanups

pyconfig.h:
- various cleanups
diff --git a/PC/os2emx/pyconfig.h b/PC/os2emx/pyconfig.h
index 807083e..23f0cfe 100644
--- a/PC/os2emx/pyconfig.h
+++ b/PC/os2emx/pyconfig.h
@@ -1,53 +1,58 @@
 #ifndef Py_CONFIG_H
 #define Py_CONFIG_H
 
-/*
-   config.h.
-   At some time in the past, generated automatically by configure.
-   Maintained manually for better results.
-*/
+/* config.h.
+ * At some time in the past, generated automatically by/from configure.
+ * now maintained manually.
+ */
 
+/* build environment */
 #define PLATFORM	"os2emx"
 #define COMPILER	"[EMX GCC " __VERSION__ "]"
-#define PYOS_OS2
-#define PYCC_GCC
-#define PREFIX		"/usr"
+#define PYOS_OS2	1
+#define PYCC_GCC	1
+
+/* default location(s) */
+#ifndef PREFIX
+#define PREFIX		""
+#endif
+#ifndef PYTHONPATH
+#define PYTHONPATH	"./Lib;./Lib/plat-" PLATFORM \
+			";./Lib/lib-dynload;./Lib/site-packages"
+#endif
 
 /* Debugging */
 #ifndef Py_DEBUG
 /*#define Py_DEBUG 1*/
 #endif
 
-/* so that emx socket headers will define IP V4 socket types */
-#define TCPIPV4
-
 /* Use OS/2 flavour of threads */
-#define WITH_THREAD
-#define OS2_THREADS
-
-/* Define if you want to read files with foreign newlines. */
-#define WITH_UNIVERSAL_NEWLINES 1
+#define WITH_THREAD	1
+#define OS2_THREADS	1
 
 /* We want sockets */
-#define USE_SOCKET
-#define socklen_t int
+#define TCPIPV4		1
+#define USE_SOCKET	1
+#define socklen_t	int
+
+/* enable the Python object allocator */
+#define	WITH_PYMALLOC	1
 
 /* enable the GC module */
 #define WITH_CYCLE_GC	1
 
+/* Define if you want to read files with foreign newlines. */
+#define WITH_UNIVERSAL_NEWLINES 1
+
 /* Define if you want documentation strings in extension modules */
 #define WITH_DOC_STRINGS 1
 
 /* Unicode related */
-#define Py_USING_UNICODE
-#define PY_UNICODE_TYPE    wchar_t
+#define Py_USING_UNICODE 1
+#define PY_UNICODE_TYPE	wchar_t
 #define Py_UNICODE_SIZE SIZEOF_SHORT
 
-/* enable the Python object allocator */
-/*#define	WITH_PYMALLOC	1*/
-
-#define PYTHONPATH  ".;./Lib;./Lib/plat-" PLATFORM ";./Lib/lib-dynload;./Lib/site-packages"
-
+/* system capabilities */
 #define HAVE_TTYNAME	1
 #define HAVE_WAIT	1
 #define HAVE_GETEGID    1
@@ -63,48 +68,43 @@
 #define HAVE_DYNAMIC_LOADING	1
 
 /* if port of GDBM installed, it includes NDBM emulation */
-#define HAVE_NDBM_H	1
+#define HAVE_NDBM_H 1
 
 /* need this for spawnv code in posixmodule (cloned from WIN32 def'n) */
 typedef long intptr_t;
 
-/* we don't have tm_zone but do have the external array
-   tzname.  */
+/* we don't have tm_zone but do have the external array tzname */
 #define HAVE_TZNAME 1
 
-/* Define as the return type of signal handlers (int or void).  */
+/* Define as the return type of signal handlers (int or void). */
 #define RETSIGTYPE void
 
-/* Define if you have the ANSI C header files.  */
+/* Define if you have the ANSI C header files. */
 #define STDC_HEADERS 1
 
-/* Define if you can safely include both <sys/time.h> and <time.h>.  */
+/* Define if you can safely include both <sys/time.h> and <time.h>. */
 #define TIME_WITH_SYS_TIME 1
 
-/* Used for BeOS configuration */
-/* #undef DL_EXPORT_HEADER */
-#ifdef DL_EXPORT_HEADER
-#include DL_EXPORT_HEADER
-#endif
-
-/* Define this if you have the type long long */
+/* Define this if you have the type long long. */
 #define HAVE_LONG_LONG 1
 
-/* Define if your compiler supports function prototypes */
+/* Define if your compiler supports function prototypes. */
 #define HAVE_PROTOTYPES 1
 
 /* Define if your compiler supports variable length function prototypes
-   (e.g. void fprintf(FILE *, char *, ...);) *and* <stdarg.h> */
+ * (e.g. void fprintf(FILE *, char *, ...);) *and* <stdarg.h>.
+ */
 #define HAVE_STDARG_PROTOTYPES 1
 
-/* Define if malloc(0) returns a NULL pointer */
+/* Define if malloc(0) returns a NULL pointer. */
 #define MALLOC_ZERO_RETURNS_NULL 1
 
-/* Define to force use of thread-safe errno, h_errno, and other functions */
+/* Define to force use of thread-safe errno, h_errno, and other functions. */
 #define _REENTRANT 1
 
-/* Define if  you can safely include both <sys/select.h> and <sys/time.h>
-   (which you can't on SCO ODT 3.0). */
+/* Define if you can safely include both <sys/select.h> and <sys/time.h>
+ * (which you can't on SCO ODT 3.0).
+ */
 #define SYS_SELECT_WITH_SYS_TIME 1
 
 /* The number of bytes in an off_t. */
@@ -113,200 +113,200 @@
 /* The number of bytes in an time_t. */
 #define SIZEOF_TIME_T 4
 
-/* The number of bytes in a short.  */
+/* The number of bytes in a short. */
 #define SIZEOF_SHORT 2
 
-/* The number of bytes in a int.  */
+/* The number of bytes in a int. */
 #define SIZEOF_INT 4
 
-/* The number of bytes in a long.  */
+/* The number of bytes in a long. */
 #define SIZEOF_LONG 4
 
-/* The number of bytes in a long long.  */
+/* The number of bytes in a long long. */
 #define SIZEOF_LONG_LONG 8
 
-/* The number of bytes in a void *.  */
+/* The number of bytes in a void *. */
 #define SIZEOF_VOID_P 4
 
-/* Define if you have the alarm function.  */
+/* Define if you have the alarm function. */
 #define HAVE_ALARM 1
 
-/* Define if you have the clock function.  */
+/* Define if you have the clock function. */
 #define HAVE_CLOCK 1
 
-/* Define if you have the dup2 function.  */
+/* Define if you have the dup2 function. */
 #define HAVE_DUP2 1
 
-/* Define if you have the execv function.  */
+/* Define if you have the execv function. */
 #define HAVE_EXECV 1
 
-/* Define if you have the spawnv function.  */
+/* Define if you have the spawnv function. */
 #define HAVE_SPAWNV 1
 
-/* Define if you have the flock function.  */
+/* Define if you have the flock function. */
 #define HAVE_FLOCK 1
 
-/* Define if you have the fork function.  */
+/* Define if you have the fork function. */
 #define HAVE_FORK 1
 
-/* Define if you have the fsync function.  */
+/* Define if you have the fsync function. */
 #define HAVE_FSYNC 1
 
-/* Define if you have the ftime function.  */
+/* Define if you have the ftime function. */
 #define HAVE_FTIME 1
 
-/* Define if you have the ftruncate function.  */
+/* Define if you have the ftruncate function. */
 #define HAVE_FTRUNCATE 1
 
-/* Define if you have the getcwd function.  */
+/* Define if you have the getcwd function. */
 #define HAVE_GETCWD 1
 
-/* Define if you have the getpeername function.  */
+/* Define if you have the getpeername function. */
 #define HAVE_GETPEERNAME 1
 
-/* Define if you have the getpgrp function.  */
+/* Define if you have the getpgrp function. */
 #define HAVE_GETPGRP 1
 
-/* Define if you have the getpid function.  */
+/* Define if you have the getpid function. */
 #define HAVE_GETPID 1
 
-/* Define if you have the getpwent function.  */
+/* Define if you have the getpwent function. */
 #define HAVE_GETPWENT 1
 
-/* Define if you have the gettimeofday function.  */
+/* Define if you have the gettimeofday function. */
 #define HAVE_GETTIMEOFDAY 1
 
-/* Define if you have the getwd function.  */
+/* Define if you have the getwd function. */
 #define HAVE_GETWD 1
 
-/* Define if you have the hypot function.  */
+/* Define if you have the hypot function. */
 #define HAVE_HYPOT 1
 
-/* Define if you have the kill function.  */
+/* Define if you have the kill function. */
 #define HAVE_KILL 1
 
-/* Define if you have the memmove function.  */
+/* Define if you have the memmove function. */
 #define HAVE_MEMMOVE 1
 
-/* Define if you have the mktime function.  */
+/* Define if you have the mktime function. */
 #define HAVE_MKTIME 1
 
-/* Define if you have the pause function.  */
+/* Define if you have the pause function. */
 #define HAVE_PAUSE 1
 
-/* Define if you have the putenv function.  */
+/* Define if you have the putenv function. */
 #define HAVE_PUTENV 1
 
-/* Define if you have the select function.  */
+/* Define if you have the select function. */
 #define HAVE_SELECT 1
 
-/* Define if you have the setgid function.  */
+/* Define if you have the setgid function. */
 #define HAVE_SETGID 1
 
-/* Define if you have the setlocale function.  */
+/* Define if you have the setlocale function. */
 #define HAVE_SETLOCALE 1
 
-/* Define if you have the setpgid function.  */
+/* Define if you have the setpgid function. */
 #define HAVE_SETPGID 1
 
-/* Define if you have the setuid function.  */
+/* Define if you have the setuid function. */
 #define HAVE_SETUID 1
 
-/* Define if you have the setvbuf function.  */
+/* Define if you have the setvbuf function. */
 #define HAVE_SETVBUF 1
 
-/* Define if you have the sigaction function.  */
+/* Define if you have the sigaction function. */
 #define HAVE_SIGACTION 1
 
-/* Define if you have the strdup function.  */
+/* Define if you have the strdup function. */
 #define HAVE_STRDUP 1
 
-/* Define if you have the strerror function.  */
+/* Define if you have the strerror function. */
 #define HAVE_STRERROR 1
 
-/* Define if you have the strftime function.  */
+/* Define if you have the strftime function. */
 #define HAVE_STRFTIME 1
 
-/* Define if you have the strptime function.  */
+/* Define if you have the strptime function. */
 #define HAVE_STRPTIME 1
 
-/* Define if you have the tcgetpgrp function.  */
+/* Define if you have the tcgetpgrp function. */
 #define HAVE_TCGETPGRP 1
 
-/* Define if you have the tcsetpgrp function.  */
+/* Define if you have the tcsetpgrp function. */
 #define HAVE_TCSETPGRP 1
 
-/* Define if you have the times function.  */
+/* Define if you have the times function. */
 #define HAVE_TIMES 1
 
-/* Define if you have the truncate function.  */
+/* Define if you have the truncate function. */
 #define HAVE_TRUNCATE 1
 
-/* Define if you have the uname function.  */
+/* Define if you have the uname function. */
 #define HAVE_UNAME 1
 
-/* Define if you have the waitpid function.  */
+/* Define if you have the waitpid function. */
 #define HAVE_WAITPID 1
 
-/* Define if you have the <dirent.h> header file.  */
+/* Define if you have the <dirent.h> header file. */
 #define HAVE_DIRENT_H 1
 
-/* Define if you have the <fcntl.h> header file.  */
+/* Define if you have the <fcntl.h> header file. */
 #define HAVE_FCNTL_H 1
 
-/* Define if you have the <limits.h> header file.  */
+/* Define if you have the <limits.h> header file. */
 #define HAVE_LIMITS_H 1
 
-/* Define if you have the <locale.h> header file.  */
+/* Define if you have the <locale.h> header file. */
 #define HAVE_LOCALE_H 1
 
-/* Define if you have the <ncurses.h> header file.  */
+/* Define if you have the <ncurses.h> header file. */
 #define HAVE_NCURSES_H 1
 
-/* Define if you have the <signal.h> header file.  */
+/* Define if you have the <signal.h> header file. */
 #define HAVE_SIGNAL_H 1
 
-/* Define if you have the <stdarg.h> header file.  */
+/* Define if you have the <stdarg.h> header file. */
 #define HAVE_STDARG_H 1
 
-/* Define if you have the <stddef.h> header file.  */
+/* Define if you have the <stddef.h> header file. */
 #define HAVE_STDDEF_H 1
 
-/* Define if you have the <stdlib.h> header file.  */
+/* Define if you have the <stdlib.h> header file. */
 #define HAVE_STDLIB_H 1
 
-/* Define if you have the <sys/file.h> header file.  */
+/* Define if you have the <sys/file.h> header file. */
 #define HAVE_SYS_FILE_H 1
 
-/* Define if you have the <sys/param.h> header file.  */
+/* Define if you have the <sys/param.h> header file. */
 #define HAVE_SYS_PARAM_H 1
 
-/* Define if you have the <sys/select.h> header file.  */
+/* Define if you have the <sys/select.h> header file. */
 #define HAVE_SYS_SELECT_H 1
 
-/* Define if you have the <sys/time.h> header file.  */
+/* Define if you have the <sys/time.h> header file. */
 #define HAVE_SYS_TIME_H 1
 
-/* Define if you have the <sys/times.h> header file.  */
+/* Define if you have the <sys/times.h> header file. */
 #define HAVE_SYS_TIMES_H 1
 
-/* Define if you have the <sys/un.h> header file.  */
+/* Define if you have the <sys/un.h> header file. */
 #define HAVE_SYS_UN_H 1
 
-/* Define if you have the <sys/utsname.h> header file.  */
+/* Define if you have the <sys/utsname.h> header file. */
 #define HAVE_SYS_UTSNAME_H 1
 
-/* Define if you have the <sys/wait.h> header file.  */
+/* Define if you have the <sys/wait.h> header file. */
 #define HAVE_SYS_WAIT_H 1
 
-/* Define if you have the <unistd.h> header file.  */
+/* Define if you have the <unistd.h> header file. */
 #define HAVE_UNISTD_H 1
 
-/* Define if you have the <utime.h> header file.  */
+/* Define if you have the <utime.h> header file. */
 #define HAVE_UTIME_H 1
 
-/* EMX has an snprintf() */
-#define HAVE_SNPRINTF
+/* EMX has an snprintf(). */
+#define HAVE_SNPRINTF 1
 
 #endif /* !Py_CONFIG_H */