Add (quilt) patches for qnap entware-ng gcc 8.4.0 limits.h issues

.gitignore

@@ -13,6 +13,9 @@
 *.log
 logs/
 
+# ignore quilt patch status directory
+.pc/
+
 # CLion ignores
 /.idea/
 /.clion.source.upload.marker

quilt/qnap/opt/lib/gcc/x86_64-openwrt-linux-gnu/8.4.0/include-fixed/limits.h

@@ -0,0 +1,152 @@
+/* Copyright (C) 1991-2018 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+<http://www.gnu.org/licenses/>.  */
+
+#ifndef _LIMITS_H___
+#define _LIMITS_H___
+
+/* Number of bits in a `char'.  */
+#undef CHAR_BIT
+#define CHAR_BIT __CHAR_BIT__
+
+/* Maximum length of a multibyte character.  */
+#ifndef MB_LEN_MAX
+#define MB_LEN_MAX 1
+#endif
+
+/* Minimum and maximum values a `signed char' can hold.  */
+#undef SCHAR_MIN
+#define SCHAR_MIN (-SCHAR_MAX - 1)
+#undef SCHAR_MAX
+#define SCHAR_MAX __SCHAR_MAX__
+
+/* Maximum value an `unsigned char' can hold.  (Minimum is 0).  */
+#undef UCHAR_MAX
+#if __SCHAR_MAX__ == __INT_MAX__
+# define UCHAR_MAX (SCHAR_MAX * 2U + 1U)
+#else
+# define UCHAR_MAX (SCHAR_MAX * 2 + 1)
+#endif
+
+/* Minimum and maximum values a `char' can hold.  */
+#ifdef __CHAR_UNSIGNED__
+# undef CHAR_MIN
+# if __SCHAR_MAX__ == __INT_MAX__
+#  define CHAR_MIN 0U
+# else
+#  define CHAR_MIN 0
+# endif
+# undef CHAR_MAX
+# define CHAR_MAX UCHAR_MAX
+#else
+# undef CHAR_MIN
+# define CHAR_MIN SCHAR_MIN
+# undef CHAR_MAX
+# define CHAR_MAX SCHAR_MAX
+#endif
+
+/* Minimum and maximum values a `signed short int' can hold.  */
+#undef SHRT_MIN
+#define SHRT_MIN (-SHRT_MAX - 1)
+#undef SHRT_MAX
+#define SHRT_MAX __SHRT_MAX__
+
+/* Maximum value an `unsigned short int' can hold.  (Minimum is 0).  */
+#undef USHRT_MAX
+#if __SHRT_MAX__ == __INT_MAX__
+# define USHRT_MAX (SHRT_MAX * 2U + 1U)
+#else
+# define USHRT_MAX (SHRT_MAX * 2 + 1)
+#endif
+
+/* Minimum and maximum values a `signed int' can hold.  */
+#undef INT_MIN
+#define INT_MIN (-INT_MAX - 1)
+#undef INT_MAX
+#define INT_MAX __INT_MAX__
+
+/* Maximum value an `unsigned int' can hold.  (Minimum is 0).  */
+#undef UINT_MAX
+#define UINT_MAX (INT_MAX * 2U + 1U)
+
+/* Minimum and maximum values a `signed long int' can hold.
+   (Same as `int').  */
+#undef LONG_MIN
+#define LONG_MIN (-LONG_MAX - 1L)
+#undef LONG_MAX
+#define LONG_MAX __LONG_MAX__
+
+/* Maximum value an `unsigned long int' can hold.  (Minimum is 0).  */
+#undef ULONG_MAX
+#define ULONG_MAX (LONG_MAX * 2UL + 1UL)
+
+#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+/* Minimum and maximum values a `signed long long int' can hold.  */
+# undef LLONG_MIN
+# define LLONG_MIN (-LLONG_MAX - 1LL)
+# undef LLONG_MAX
+# define LLONG_MAX __LONG_LONG_MAX__
+
+/* Maximum value an `unsigned long long int' can hold.  (Minimum is 0).  */
+# undef ULLONG_MAX
+# define ULLONG_MAX (LLONG_MAX * 2ULL + 1ULL)
+#endif
+
+#if defined (__GNU_LIBRARY__) ? defined (__USE_GNU) : !defined (__STRICT_ANSI__)
+/* Minimum and maximum values a `signed long long int' can hold.  */
+# undef LONG_LONG_MIN
+# define LONG_LONG_MIN (-LONG_LONG_MAX - 1LL)
+# undef LONG_LONG_MAX
+# define LONG_LONG_MAX __LONG_LONG_MAX__
+
+/* Maximum value an `unsigned long long int' can hold.  (Minimum is 0).  */
+# undef ULONG_LONG_MAX
+# define ULONG_LONG_MAX (LONG_LONG_MAX * 2ULL + 1ULL)
+#endif
+
+#ifdef __STDC_WANT_IEC_60559_BFP_EXT__
+/* TS 18661-1 widths of integer types.  */
+# undef CHAR_WIDTH
+# define CHAR_WIDTH __SCHAR_WIDTH__
+# undef SCHAR_WIDTH
+# define SCHAR_WIDTH __SCHAR_WIDTH__
+# undef UCHAR_WIDTH
+# define UCHAR_WIDTH __SCHAR_WIDTH__
+# undef SHRT_WIDTH
+# define SHRT_WIDTH __SHRT_WIDTH__
+# undef USHRT_WIDTH
+# define USHRT_WIDTH __SHRT_WIDTH__
+# undef INT_WIDTH
+# define INT_WIDTH __INT_WIDTH__
+# undef UINT_WIDTH
+# define UINT_WIDTH __INT_WIDTH__
+# undef LONG_WIDTH
+# define LONG_WIDTH __LONG_WIDTH__
+# undef ULONG_WIDTH
+# define ULONG_WIDTH __LONG_WIDTH__
+# undef LLONG_WIDTH
+# define LLONG_WIDTH __LONG_LONG_WIDTH__
+# undef ULLONG_WIDTH
+# define ULLONG_WIDTH __LONG_LONG_WIDTH__
+#endif
+
+#endif /* _LIMITS_H___ */

quilt/qnap/patches/qnap-entware-gcc-8.4.0-ssize_max.patch

@@ -0,0 +1,24 @@
+Entware GCC (8.4.0) installs a supposedly fixed ~limits.h~ (in
+~/opt/lib/gcc/x86_64-openwrt-linux-gnu/8.4.0/include-fixed/limits.h~, see
+https://gcc.gnu.org/onlinedocs/gcc/Fixed-Headers.html) which is the source of a
+number of issues due to missing macro definitions.
+
+Observed issues:
+* cpython: missing definition of SSIZE_MAX
+* abseil-cpp: missing definition of SSIZE_MAX
+* llvm:
+
+--- a/opt/lib/gcc/x86_64-openwrt-linux-gnu/8.4.0/include-fixed/limits.h
++++ b/opt/lib/gcc/x86_64-openwrt-linux-gnu/8.4.0/include-fixed/limits.h
+@@ -149,4 +149,11 @@
+ # define ULLONG_WIDTH __LONG_LONG_WIDTH__
+ #endif
+
++/*
++  KTKT: Include system/libc limits.h (define _GCC_LIMITS_H_ to avoid recursion
++  in /opt/include/limits.h).
++*/
++#define _GCC_LIMITS_H_
++#include_next <limits.h>
++
+ #endif /* _LIMITS_H___ */

quilt/qnap/patches/series

@@ -0,0 +1 @@
+qnap-entware-gcc-8.4.0-ssize_max.patch