Support 12.1.0

README.md

@@ -92,11 +92,12 @@ Currently supported gcc-version :
 * 10.1.0
 * 10.2.0
 * 10.3.0
+* 12.1.0
 
-For example, to build DJGPP for gcc 10.3.0 :
+For example, to build DJGPP for gcc 12.1.0 :
 
 ```
-./build-djgpp.sh 10.3.0
+./build-djgpp.sh 12.1.0
 ```
 
 It will download all necessary files, build DJGPP compiler and binutils, and install it.

patch/patch-gcc12-mingw.txt

@@ -0,0 +1,39 @@
+diff -Naur gnu-orig/gcc-12.10/gcc/cp/fstat-mingw-fix.h gnu/gcc-12.10/gcc/cp/fstat-mingw-fix.h
+--- gnu-orig/gcc-12.10/gcc/cp/fstat-mingw-fix.h	1970-01-01 08:00:00.000000000 +0800
++++ gnu/gcc-12.10/gcc/cp/fstat-mingw-fix.h	2022-05-30 18:06:48.000000000 +0800
+@@ -0,0 +1,23 @@
++#ifndef __H_FSTAT_MINGW_FIX
++#define __H_FSTAT_MINGW_FIX
++/* Copied from gcc-12.10/libgfortran/io/unix.c */
++
++/* These flags aren't defined on all targets (mingw32), so provide them
++   here.  */
++#ifndef S_IRGRP
++#define S_IRGRP 0
++#endif
++
++#ifndef S_IWGRP
++#define S_IWGRP 0
++#endif
++
++#ifndef S_IROTH
++#define S_IROTH 0
++#endif
++
++#ifndef S_IWOTH
++#define S_IWOTH 0
++#endif
++
++#endif  /* __H_FSTAT_MINGW_FIX */
+diff -Naur gnu-orig/gcc-12.10/gcc/cp/module.cc gnu/gcc-12.10/gcc/cp/module.cc
+--- gnu-orig/gcc-12.10/gcc/cp/module.cc	2022-05-30 18:06:44.000000000 +0800
++++ gnu/gcc-12.10/gcc/cp/module.cc	2022-05-30 18:06:48.000000000 +0800
+@@ -229,6 +229,8 @@
+ #define CODY_NETWORKING 0
+ #include "mapper-client.h"
+
++#include "fstat-mingw-fix.h"
++
+ #if 0 // 1 for testing no mmap
+ #define MAPPED_READING 0
+ #define MAPPED_WRITING 0