ports: Port gcc =D

The main compiler (cc1) crashes in some obscure null dereference that I'll have to investigate.

However, it compiles fine, and the preprocessor seems to work...

.gitignore

@@ -8,6 +8,7 @@ initrd/bin/**
 base/usr/bin/**
 base/usr/include/**
 base/usr/lib/**
+base/usr/libexec/**
 base/usr/share/pkgdb/**
 !base/usr/share/fonts/*
 !base/usr/share/icons/*

ports/README.md

@@ -13,6 +13,7 @@ Name | Version | Description | URL
 ---|---|--- | ---
 bc | 6.6.0 | An implementation of the POSIX bc calculator | https://github.com/gavinhoward/bc
 binutils | 2.39 | The GNU suite of binary utilities | https://www.gnu.org/software/binutils
+gcc | 12.2.0 | The GNU Compiler Collection | https://www.gnu.org/software/gcc
 gmp | 6.3.0 | The GNU Multiple Precision Arithmetic Library | https://gmplib.org
 minitar | 1.7.5 | Tiny and easy-to-use C library to read/write tar archives | https://git.cloudapio.eu/apio/minitar
 mpc | 1.3.1 | The GNU Multiple Precision Complex Library | https://www.multiprecision.org

ports/gcc/PACKAGE

@@ -0,0 +1,35 @@
+# Basic information
+name="gcc"
+version="12.2.0"
+dependencies=(gmp mpc mpfr binutils)
+
+# Download options
+format="tar"
+url="https://ftp.gnu.org/gnu/gcc/gcc-$version/gcc-$version.tar.xz"
+output="gcc-$version.tar.xz"
+sha256sum="e549cf9cf3594a00e27b6589d4322d70e0720cdd213f39beb4181e06926230ff"
+
+# Build instructions
+do_patch()
+{
+    patch -ui $portdir/gcc.patch -p 1 -d $srcdir/..
+}
+
+do_configure()
+{
+    $srcdir/configure --prefix=/usr --target=$LUNA_ARCH-luna --host=$LUNA_ARCH-luna --disable-nls --with-build-sysroot=$BUILD_SYSROOT --enable-languages=c,c++
+}
+
+do_build()
+{
+    export ac_cv_c_bigendian=no
+    
+    make all-gcc -j$MAKEJOBS
+    make all-target-libgcc -j$MAKEJOBS CFLAGS_FOR_TARGET='-g -O2 -mcmodel=large -mno-red-zone'
+}
+
+do_install()
+{
+    make install-gcc
+    make install-target-libgcc
+}

ports/gcc/gcc.patch

@@ -0,0 +1,251 @@
+diff --color -rN -u vanilla/gcc-12.2.0/config.sub gcc-12.2.0/config.sub
+--- a/gcc-12.2.0/config.sub	2022-08-19 10:09:52.128656687 +0200
++++ b/gcc-12.2.0/config.sub	2023-08-08 20:42:05.032843544 +0200
+@@ -1723,7 +1723,7 @@
+ 	     | hpux* | unos* | osf* | luna* | dgux* | auroraux* | solaris* \
+ 	     | sym* |  plan9* | psp* | sim* | xray* | os68k* | v88r* \
+ 	     | hiux* | abug | nacl* | netware* | windows* \
+-	     | os9* | macos* | osx* | ios* \
++	     | os9* | macos* | osx* | ios* | luna* \
+ 	     | mpw* | magic* | mmixware* | mon960* | lnews* \
+ 	     | amigaos* | amigados* | msdos* | newsos* | unicos* | aof* \
+ 	     | aos* | aros* | cloudabi* | sortix* | twizzler* \
+diff --color -rN -u vanilla/gcc-12.2.0/fixincludes/mkfixinc.sh gcc-12.2.0/fixincludes/mkfixinc.sh
+--- a/gcc-12.2.0/fixincludes/mkfixinc.sh	2022-08-19 10:09:52.160657095 +0200
++++ b/gcc-12.2.0/fixincludes/mkfixinc.sh	2023-08-08 20:42:05.034843561 +0200
+@@ -12,6 +12,8 @@
+ # Check for special fix rules for particular targets
+ case $machine in
+     i?86-*-cygwin* | \
++    *-luna* | \
++    *-*-luna* | \
+     i?86-*-mingw32* | \
+     x86_64-*-mingw32* | \
+     powerpc-*-eabisim* | \
+diff --color -rN -u vanilla/gcc-12.2.0/gcc/config/i386/x86_64-luna-kernel gcc-12.2.0/gcc/config/i386/x86_64-luna-kernel
+--- a/gcc-12.2.0/gcc/config/i386/x86_64-luna-kernel	1970-01-01 01:00:00.000000000 +0100
++++ b/gcc-12.2.0/gcc/config/i386/x86_64-luna-kernel	2023-08-08 20:42:05.038843594 +0200
+@@ -0,0 +1,4 @@
++#Add libgcc multilib variant without red-zone requirement, for use in the kernel
++
++MULTILIB_OPTIONS += mno-red-zone
++MULTILIB_DIRNAMES += no-red-zone
+\ No newline at end of file
+diff --color -rN -u vanilla/gcc-12.2.0/gcc/config/luna.h gcc-12.2.0/gcc/config/luna.h
+--- a/gcc-12.2.0/gcc/config/luna.h	1970-01-01 01:00:00.000000000 +0100
++++ b/gcc-12.2.0/gcc/config/luna.h	2023-08-08 20:42:05.040843610 +0200
+@@ -0,0 +1,36 @@
++#undef TARGET_LUNA
++#define TARGET_LUNA 1
++
++/* Default arguments you want when running your
++   i686-luna-gcc/x86_64-luna-gcc toolchain */
++#undef LIB_SPEC
++#define LIB_SPEC "-lc" /* link against C standard library */
++
++/* Files that are linked before user code.
++   The %s tells GCC to look for these files in the library directory. */
++#undef STARTFILE_SPEC
++#define STARTFILE_SPEC "crt0.o%s crti.o%s crtbegin.o%s"
++
++/* Files that are linked after user code. */
++#undef ENDFILE_SPEC
++#define ENDFILE_SPEC "crtend.o%s crtn.o%s"
++
++#undef SIZE_TYPE
++#define SIZE_TYPE (TARGET_64BIT ? "long unsigned int" : "unsigned int")
++
++/* Ensure that ptrdiff_t matches the actual pointer size */
++#undef PTRDIFF_TYPE
++#define PTRDIFF_TYPE (TARGET_64BIT ? "long int" : "int")
++
++/* Additional predefined macros. */
++#undef TARGET_OS_CPP_BUILTINS
++#define TARGET_OS_CPP_BUILTINS()                                                                                       \
++    do {                                                                                                               \
++        builtin_define("__luna__");                                                                                    \
++        builtin_define("__unix__");                                                                                    \
++        builtin_assert("system=luna");                                                                                 \
++        builtin_assert("system=unix");                                                                                 \
++        builtin_assert("system=posix");                                                                                \
++    } while (0);
++
++#undef LINK_SPEC
+diff --color -rN -u vanilla/gcc-12.2.0/gcc/config.gcc gcc-12.2.0/gcc/config.gcc
+--- a/gcc-12.2.0/gcc/config.gcc	2022-08-19 10:09:52.552662114 +0200
++++ b/gcc-12.2.0/gcc/config.gcc	2023-08-08 20:42:05.044843643 +0200
+@@ -895,6 +895,12 @@
+       ;;
+   esac
+   ;;
++*-*-luna*)
++  gas=yes
++  gnu_ld=yes
++  default_use_cxa_atexit=yes
++  use_gcc_stdint=provide
++  ;;
+ *-*-netbsd*)
+   tm_p_file="${tm_p_file} netbsd-protos.h"
+   tmake_file="t-netbsd t-slibgcc"
+@@ -1901,6 +1907,13 @@
+ x86_64-*-elf*)
+ 	tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h newlib-stdint.h i386/i386elf.h i386/x86-64.h"
+ 	;;
++i[34567]86-*-luna*)
++	tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h newlib-stdint.h i386/i386elf.h luna.h"
++	;;
++x86_64-*-luna*)
++	tmake_file="${tmake_file} i386/x86_64-luna-kernel"
++	tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h newlib-stdint.h i386/i386elf.h i386/x86-64.h luna.h"
++	;;
+ x86_64-*-rtems*)
+ 	tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h newlib-stdint.h i386/i386elf.h i386/x86-64.h i386/rtemself.h rtems.h"
+ 	;;
+diff --color -rN -u vanilla/gcc-12.2.0/libgcc/config.host gcc-12.2.0/libgcc/config.host
+--- a/gcc-12.2.0/libgcc/config.host	2022-08-19 10:09:54.664689148 +0200
++++ b/gcc-12.2.0/libgcc/config.host	2023-08-08 20:42:05.046843660 +0200
+@@ -783,6 +783,14 @@
+ 	;;
+ i[34567]86-*-lynxos*)
+ 	;;
++i[34567]86-*-luna*)
++	extra_parts="$extra_parts crti.o crtbegin.o crtend.o crtn.o"
++	tmake_file="$tmake_file i386/t-crtstuff t-crtstuff-pic t-libgcc-pic"
++	;;
++x86_64-*-luna*)
++	extra_parts="$extra_parts crti.o crtbegin.o crtend.o crtn.o"
++	tmake_file="$tmake_file i386/t-crtstuff t-crtstuff-pic t-libgcc-pic"
++	;;
+ i[34567]86-*-nto-qnx*)
+ 	tmake_file="$tmake_file i386/t-nto t-libgcc-pic"
+ 	extra_parts=crtbegin.o
+diff --color -rN -u vanilla/gcc-12.2.0/libgcc/libgcov.h gcc-12.2.0/libgcc/libgcov.h
+--- a/gcc-12.2.0/libgcc/libgcov.h	2022-08-19 10:09:54.728689966 +0200
++++ b/gcc-12.2.0/libgcc/libgcov.h	2023-08-08 20:42:05.048843677 +0200
+@@ -194,6 +194,7 @@
+ #endif
+ 
+ #include "gcov-io.h"
++#include <stdint.h>
+ 
+ /* Structures embedded in coveraged program.  The structures generated
+    by write_profile must match these.  */
+diff --color -rN -u vanilla/gcc-12.2.0/libstdc++-v3/acinclude.m4 gcc-12.2.0/libstdc++-v3/acinclude.m4
+--- a/gcc-12.2.0/libstdc++-v3/acinclude.m4	2022-08-19 10:09:55.380698313 +0200
++++ b/gcc-12.2.0/libstdc++-v3/acinclude.m4	2023-08-08 21:08:00.777765701 +0200
+@@ -1356,6 +1356,10 @@
+         ac_has_nanosleep=yes
+         ac_has_sched_yield=yes
+         ;;
++      luna*)
++        ac_has_clock_monotonic=yes
++	ac_has_clock_realtime=yes
++	;;
+       # VxWorks has nanosleep as soon as the kernel is configured with
+       # INCLUDE_POSIX_TIMERS, which is normally/most-often the case.
+       vxworks*)
+@@ -2421,7 +2425,7 @@
+       dragonfly* | freebsd*)
+ 	enable_clocale_flag=dragonfly
+ 	;;
+-      openbsd*)
++      openbsd* | luna*)
+ 	enable_clocale_flag=newlib
+ 	;;
+       *)
+diff --color -rN -u vanilla/gcc-12.2.0/libstdc++-v3/configure gcc-12.2.0/libstdc++-v3/configure
+--- a/gcc-12.2.0/libstdc++-v3/configure	2022-08-19 10:09:55.416698774 +0200
++++ b/gcc-12.2.0/libstdc++-v3/configure	2023-08-09 11:34:54.810282202 +0200
+@@ -16481,6 +16481,9 @@
+       openbsd*)
+ 	enable_clocale_flag=newlib
+ 	;;
++      luna*)
++	enable_clocale_flag=generic
++	;;
+       *)
+ 	if test x"$with_newlib" = x"yes"; then
+ 	  enable_clocale_flag=newlib
+@@ -20493,6 +20496,10 @@
+         ac_has_nanosleep=yes
+         ac_has_sched_yield=yes
+         ;;
++      luna*)
++        ac_has_clock_monotonic=yes
++	ac_has_clock_realtime=yes
++	;;
+       # VxWorks has nanosleep as soon as the kernel is configured with
+       # INCLUDE_POSIX_TIMERS, which is normally/most-often the case.
+       vxworks*)
+diff --color -rN -u vanilla/gcc-12.2.0/libstdc++-v3/configure.host gcc-12.2.0/libstdc++-v3/configure.host
+--- a/gcc-12.2.0/libstdc++-v3/configure.host	2022-08-19 10:09:55.420698825 +0200
++++ b/gcc-12.2.0/libstdc++-v3/configure.host	2023-08-09 11:35:05.734185945 +0200
+@@ -306,6 +306,9 @@
+   vxworks*)
+     os_include_dir="os/vxworks"
+     ;;
++  luna*)
++    os_include_dir="os/generic"
++    ;;
+   *)
+     os_include_dir="os/generic"
+     ;;
+diff --color -rN -u vanilla/gcc-12.2.0/libstdc++-v3/crossconfig.m4 gcc-12.2.0/libstdc++-v3/crossconfig.m4
+--- a/gcc-12.2.0/libstdc++-v3/crossconfig.m4	2022-08-19 10:09:55.420698825 +0200
++++ b/gcc-12.2.0/libstdc++-v3/crossconfig.m4	2023-08-08 21:16:12.897071194 +0200
+@@ -277,6 +277,12 @@
+     GLIBCXX_CHECK_MATH_SUPPORT
+     GLIBCXX_CHECK_STDLIB_SUPPORT
+     ;;
++  *-luna*)
++    GLIBCXX_CHECK_COMPILER_FEATURES
++    GLIBCXX_CHECK_LINKER_FEATURES
++    GLIBCXX_CHECK_MATH_SUPPORT
++    GLIBCXX_CHECK_STDLIB_SUPPORT
++    ;;
+   *-vxworks*)
+     AC_DEFINE(HAVE_ACOSF)
+     AC_DEFINE(HAVE_ASINF)
+diff --color -rN -u toolchain/build/gcc-12.2.0/libcody/netserver.cc ports/temp/gcc-12.2.0/libcody/netserver.cc
+--- a/gcc-12.2.0/libcody/netserver.cc	2022-08-19 10:09:54.620688586 +0200
++++ b/gcc-12.2.0/libcody/netserver.cc	2023-10-15 11:26:18.755350163 +0200
+@@ -78,6 +78,10 @@
+ 
+ int ListenInet6 (char const **e, char const *name, int port, unsigned backlog)
+ {
++#ifdef __luna__
++  errno = ENOTSUP;
++  return -1;
++#else
+   addrinfo *addrs = nullptr;
+   int fd = -1;
+   char const *errstr = nullptr;
+@@ -150,6 +154,7 @@
+ 
+   return fd;
++#endif
+ }
+ 
+ }
+ #endif
+diff --color -rN -u toolchain/build/gcc-12.2.0/libcody/netclient.cc ports/temp/gcc-12.2.0/libcody/netclient.cc
+--- a/gcc-12.2.0/libcody/netclient.cc	2022-08-19 10:09:54.620688586 +0200
++++ b/gcc-12.2.0/libcody/netclient.cc	2023-10-15 11:32:45.205953424 +0200
+@@ -71,6 +71,10 @@
+ 
+ int OpenInet6 (char const **e, char const *name, int port)
+ {
++#ifdef __luna__
++  errno = ENOTSUP;
++  return -1;
++#else
+   addrinfo *addrs = nullptr;
+   int fd = -1;
+   char const *errstr = nullptr;
+@@ -133,6 +137,7 @@
+ 
+   return fd;
++#endif
+ }
+ 
+ }