Improve fetching external projects and building speed, and fix compiling

with more recent version of GCC

external/gpl3/binutils/fetch.sh

@@ -5,8 +5,8 @@ echo $0
 cd `dirname $0`
 
 # Configure fetch method
-URL="http://www.minix3.org/pkgsrc/distfiles/minix/3.4.0/binutils-2.23.2.tar.bz2"
-BACKUP_URL="http://ftp.gnu.org/gnu/binutils/binutils-2.23.2.tar.bz2"
+URL="https://ftpmirror.gnu.org/gnu/binutils/binutils-2.23.2.tar.bz2"
+BACKUP_URL="http://www.minix3.org/pkgsrc/distfiles/minix/3.4.0/binutils-2.23.2.tar.bz2"
 FETCH=ftp
 which curl >/dev/null
 if [ $? -eq 0 ]; then

external/gpl3/binutils/patches/0011-fix-gold-errors-header.patch

@@ -0,0 +1,10 @@
+--- dist.orig/gold/errors.h	2011-06-08 04:43:28.000000000 +0000
++++ dist/gold/errors.h	2024-03-04 06:53:40.580217099 +0000
+@@ -24,6 +24,7 @@
+ #define GOLD_ERRORS_H
+ 
+ #include <cstdarg>
++#include <string>
+ 
+ #include "gold-threads.h"
+ 

external/gpl3/gcc/fetch.sh

@@ -9,8 +9,9 @@ cd `dirname $0`
 : ${SED=sed}
 
 # Configure fetch method
-URL="http://www.minix3.org/pkgsrc/distfiles/minix/3.4.0/gcc-4.8.5.tar.bz2"
-BACKUP_URL="ftp://ftp.gwdg.de/pub/misc/gcc/releases/gcc-4.8.5/gcc-4.8.5.tar.bz2"
+# URL="http://www.minix3.org/pkgsrc/distfiles/minix/3.4.0/gcc-4.8.5.tar.bz2"
+URL="https://ftpmirror.gnu.org/gnu/gcc/gcc-4.8.5/gcc-4.8.5.tar.bz2"
+BACKUP_URL="http://www.minix3.org/pkgsrc/distfiles/minix/3.4.0/gcc-4.8.5.tar.bz2"
 FETCH=ftp
 if which curl >/dev/null
 then

external/gpl3/gcc/patches/0005-fix-gcc-reloads.patch

@@ -0,0 +1,16 @@
+--- dist.orig/gcc/reload1.c	2013-01-21 14:55:05.000000000 +0000
++++ dist/gcc/reload1.c	2024-03-04 09:27:54.119538490 +0000
+@@ -436,11 +436,11 @@
+ 				 gen_rtx_REG (Pmode,
+ 					      LAST_VIRTUAL_REGISTER + 1),
+ 				 GEN_INT (4)));
+-  spill_indirect_levels = 0;
++  spill_indirect_levels = false;
+ 
+   while (memory_address_p (QImode, tem))
+     {
+-      spill_indirect_levels++;
++      spill_indirect_levels = true;
+       tem = gen_rtx_MEM (Pmode, tem);
+     }
+ 

releasetools/arm_sdimage.sh

@@ -23,6 +23,8 @@ fi
 : ${OBJ=../obj.${ARCH}}
 : ${TOOLCHAIN_TRIPLET=arm-elf32-minix-}
 : ${BUILDSH=build.sh}
+# Set the number of parallel build jobs the same number of CPU cores.
+: ${JOBS=$(nproc)}
 
 : ${SETS="minix-base minix-comp minix-games minix-man minix-tests tests"}
 : ${IMG=minix_arm_sd.img}