Update tools (#21)

* improve configure.py part 1

* compile settings per-file instead of global

* remove dont_reuse_strings in sources

* multiversion support

* update docs

* report filename change

* fixed objdiff not being able to create context file

* add version define to decompme cflags/m2ctx

libs/c/src/ansi_fp.c

@@ -3,8 +3,6 @@
 #include <float.h>
 #include <math.h>
 
-#pragma dont_reuse_strings off
-
 typedef unsigned long long d_int;
 #define SIGDIGLEN 32
 

libs/c/src/wprintf.c

@@ -10,8 +10,6 @@
 
 #include <wstring.h>
 
-#pragma dont_reuse_strings off
-
 #define MAX_SIG_DIG 32
 
 #define LDBL_MANT_DIG 24