2500th COMMIT: ports: Add gcc port

I've had this laying around locally for a while. binutils was not
working so I didn't feel like this was worth pushing. My new stdio FILE
buffering rewrite fixed binutils and now gcc actually works!

kernel/kernel/Process.cpp

@@ -1917,16 +1917,13 @@ namespace Kernel
 		switch (clock_id)
 		{
 			case CLOCK_MONOTONIC:
-			{
 				*tp = SystemTimer::get().time_since_boot();
 				break;
-			}
 			case CLOCK_REALTIME:
-			{
 				*tp = SystemTimer::get().real_time();
 				break;
-			}
 			default:
+				dwarnln("TODO: clock_gettime({})", clock_id);
 				return BAN::Error::from_errno(ENOTSUP);
 		}
 		return 0;

ports/binutils/build.sh

@@ -0,0 +1,24 @@
+#!/bin/bash ../install.sh
+
+NAME='binutils'
+VERSION='2.39'
+DOWNLOAD_URL="https://ftp.gnu.org/gnu/binutils/binutils-$VERSION.tar.gz#d12ea6f239f1ffe3533ea11ad6e224ffcb89eb5d01bbea589e9158780fa11f10"
+DEPENDENCIES=('zlib')
+CONFIGURE_OPTIONS=(
+	"--target=$BANAN_TOOLCHAIN_TRIPLE"
+	'--with-sysroot=/'
+	"--with-build-sysroot=$BANAN_SYSROOT"
+	'--enable-initfini-array'
+	'--enable-shared'
+	'--enable-lto'
+	'--disable-nls'
+	'--disable-werror'
+)
+
+build() {
+	# This file is not even used. binutils just requires it to exist
+	touch "$BANAN_SYSROOT/usr/include/memory.h"
+
+	make -j$(nproc) || exit 1
+	find . -type f -executable -exec strip --strip-unneeded {} + 2>/dev/null
+}

ports/binutils/patches/binutils-2.39.patch

@@ -0,0 +1 @@
+../../../toolchain/binutils-2.39.patch

ports/gcc/build.sh

@@ -0,0 +1,29 @@
+#!/bin/bash ../install.sh
+
+NAME='gcc'
+VERSION='12.2.0'
+DOWNLOAD_URL="https://ftp.gnu.org/gnu/gcc/gcc-$VERSION/gcc-$VERSION.tar.gz#ac6b317eb4d25444d87cf29c0d141dedc1323a1833ec9995211b13e1a851261c"
+DEPENDENCIES=('binutils' 'gmp' 'mpfr' 'mpc')
+CONFIGURE_OPTIONS=(
+	"--target=$BANAN_TOOLCHAIN_TRIPLE"
+	'--with-sysroot=/'
+	"--with-build-sysroot=$BANAN_SYSROOT"
+	'--enable-initfini-array'
+	'--enable-shared'
+	'--enable-lto'
+	'--disable-nls'
+	'--enable-languages=c,c++'
+)
+
+build() {
+	make -j$(nproc) all-gcc || exit 1
+	make -j$(nproc) all-target-libgcc || exit 1
+	make -j$(nproc) all-target-libstdc++-v3 || exit 1
+	find . -type f -executable -exec strip --strip-unneeded {} + 2>/dev/null
+}
+
+install() {
+	make install-gcc DESTDIR="$BANAN_SYSROOT" || exit 1
+	make install-target-libgcc DESTDIR="$BANAN_SYSROOT" || exit 1
+	make install-target-libstdc++-v3 DESTDIR="$BANAN_SYSROOT" || exit 1
+}

ports/gcc/patches/0001-force-little-endian.patch

@@ -0,0 +1,11 @@
+diff -ruN gcc-12.2.0/gcc/configure gcc-12.2.0-banan_os/gcc/configure
+--- gcc-12.2.0/gcc/configure	2022-08-19 11:09:52.736664469 +0300
++++ gcc-12.2.0-banan_os/gcc/configure	2024-08-08 09:30:58.730876253 +0300
+@@ -9426,6 +9426,7 @@
+ fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether byte ordering is bigendian" >&5
+ $as_echo_n "checking whether byte ordering is bigendian... " >&6; }
++ac_cv_c_bigendian=no
+ if ${ac_cv_c_bigendian+:} false; then :
+   $as_echo_n "(cached) " >&6
+ else

ports/gcc/patches/gcc-12.2.0.patch

@@ -0,0 +1 @@
+../../../toolchain/gcc-12.2.0.patch

ports/gmp/build.sh

@@ -0,0 +1,5 @@
+#!/bin/bash ../install.sh
+
+NAME='gmp'
+VERSION='6.3.0'
+DOWNLOAD_URL="https://ftp.gnu.org/gnu/gmp/gmp-$VERSION.tar.xz#a3c2b80201b89e68616f4ad30bc66aee4927c3ce50e33929ca819d5c43538898"

ports/gmp/patches/0001-add-banan_os-target.patch

@@ -0,0 +1,12 @@
+diff -ruN gmp-6.3.0/configfsf.sub gmp-6.3.0-banan_os/configfsf.sub
+--- gmp-6.3.0/configfsf.sub	2023-07-29 16:42:16.000000000 +0300
++++ gmp-6.3.0-banan_os/configfsf.sub	2024-08-07 21:37:12.147551767 +0300
+@@ -1759,7 +1759,7 @@
+ 	     | onefs* | tirtos* | phoenix* | fuchsia* | redox* | bme* \
+ 	     | midnightbsd* | amdhsa* | unleashed* | emscripten* | wasi* \
+ 	     | nsk* | powerunix* | genode* | zvmoe* | qnx* | emx* | zephyr* \
+-	     | fiwix* | mlibc* )
++	     | fiwix* | mlibc* | banan_os* )
+ 		;;
+ 	# This one is extra strict with allowed versions
+ 	sco3.2v2 | sco3.2v[4-9]* | sco5v6*)

ports/mpc/build.sh

@@ -0,0 +1,10 @@
+#!/bin/bash ../install.sh
+
+NAME='mpc'
+VERSION='1.3.1'
+DOWNLOAD_URL="https://ftp.gnu.org/gnu/mpc/mpc-$VERSION.tar.gz#ab642492f5cf882b74aa0cb730cd410a81edcdbec895183ce930e706c1c759b8"
+DEPENDENCIES=('gmp' 'mpfr')
+CONFIGURE_OPTIONS=(
+	"--target=$BANAN_TOOLCHAIN_TRIPLE"
+	"--with-sysroot=$BANAN_SYSROOT"
+)

ports/mpc/patches/0001-add-banan_os-target.patch

@@ -0,0 +1,13 @@
+diff -ruN mpc-1.3.1/build-aux/config.sub mpc-1.3.1-banan_os/build-aux/config.sub
+--- mpc-1.3.1/build-aux/config.sub	2022-12-08 14:23:21.000000000 +0200
++++ mpc-1.3.1-banan_os/build-aux/config.sub	2024-08-07 22:52:40.072912471 +0300
+@@ -1748,7 +1748,8 @@
+ 	     | skyos* | haiku* | rdos* | toppers* | drops* | es* \
+ 	     | onefs* | tirtos* | phoenix* | fuchsia* | redox* | bme* \
+ 	     | midnightbsd* | amdhsa* | unleashed* | emscripten* | wasi* \
+-	     | nsk* | powerunix* | genode* | zvmoe* | qnx* | emx* | zephyr*)
++	     | nsk* | powerunix* | genode* | zvmoe* | qnx* | emx* | zephyr* \
++	     | banan_os* )
+ 		;;
+ 	# This one is extra strict with allowed versions
+ 	sco3.2v2 | sco3.2v[4-9]* | sco5v6*)

ports/mpfr/build.sh

@@ -0,0 +1,10 @@
+#!/bin/bash ../install.sh
+
+NAME='mpfr'
+VERSION='4.2.1'
+DOWNLOAD_URL="https://ftp.gnu.org/gnu/mpfr/mpfr-$VERSION.tar.gz#116715552bd966c85b417c424db1bbdf639f53836eb361549d1f8d6ded5cb4c6"
+DEPENDENCIES=('gmp')
+CONFIGURE_OPTIONS=(
+	"--target=$BANAN_TOOLCHAIN_TRIPLE"
+	'--with-sysroot=/'
+)

ports/mpfr/patches/0001-add-banan_os-target.patch

@@ -0,0 +1,12 @@
+diff -ruN mpfr-4.2.1/config.sub mpfr-4.2.1-banan_os/config.sub
+--- mpfr-4.2.1/config.sub	2023-08-22 10:47:14.000000000 +0300
++++ mpfr-4.2.1-banan_os/config.sub	2024-08-07 22:48:27.798804026 +0300
+@@ -1754,7 +1754,7 @@
+ 	     | onefs* | tirtos* | phoenix* | fuchsia* | redox* | bme* \
+ 	     | midnightbsd* | amdhsa* | unleashed* | emscripten* | wasi* \
+ 	     | nsk* | powerunix* | genode* | zvmoe* | qnx* | emx* | zephyr* \
+-	     | fiwix* )
++	     | fiwix* | banan_os* )
+ 		;;
+ 	# This one is extra strict with allowed versions
+ 	sco3.2v2 | sco3.2v[4-9]* | sco5v6*)

userspace/libraries/LibC/sys/resource.cpp

@@ -61,3 +61,17 @@ int getrusage(int who, struct rusage* r_usage)
 
 	return 0;
 }
+
+int setrlimit(int resource, const struct rlimit* rlp)
+{
+	dwarnln("TODO: setrlimit({}, {})", resource, rlp);
+	errno = ENOTSUP;
+	return -1;
+}
+
+int setpriority(int which, id_t who, int value)
+{
+	dwarnln("TODO: setpriority({}, {}, {})", which, who, value);
+	errno = ENOTSUP;
+	return -1;
+}

userspace/libraries/LibC/time.cpp

@@ -20,8 +20,11 @@ int nanosleep(const struct timespec* rqtp, struct timespec* rmtp)
 
 clock_t clock(void)
 {
-	dwarnln("TODO: clock");
-	return -1;
+	timespec ts;
+	if (clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &ts) == -1)
+		return -1;
+	return ((uint64_t)ts.tv_sec  * CLOCKS_PER_SEC)
+	     + ((uint64_t)ts.tv_nsec * CLOCKS_PER_SEC / 1'000'000'000);
 }
 
 time_t time(time_t* tloc)