From 719919dd0dfc8a22186b3394bb6a8f951431f909 Mon Sep 17 00:00:00 2001
From: Joursoir <chat@joursoir.net>
Date: Mon, 26 Sep 2022 02:10:04 +0300
Subject: add cross-toolchain

Add git submodules and use next versions:

GNU binutils 2.39
GCC 12.2.0
---
 .gitmodules                  |  6 ++++++
 tools/toolchain/Makefile     | 37 +++++++++++++++++++++++++++++++++++++
 tools/toolchain/src/binutils |  1 +
 tools/toolchain/src/gcc      |  1 +
 4 files changed, 45 insertions(+)
 create mode 100644 .gitmodules
 create mode 100644 tools/toolchain/Makefile
 create mode 160000 tools/toolchain/src/binutils
 create mode 160000 tools/toolchain/src/gcc

diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..ec7d90e
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,6 @@
+[submodule "tools/toolchain/src/binutils"]
+	path = tools/toolchain/src/binutils
+	url = git://sourceware.org/git/binutils-gdb.git
+[submodule "tools/toolchain/src/binutils"]
+	path = tools/toolchain/src/gcc
+	url = git://gcc.gnu.org/git/gcc.git
diff --git a/tools/toolchain/Makefile b/tools/toolchain/Makefile
new file mode 100644
index 0000000..2e5ab33
--- /dev/null
+++ b/tools/toolchain/Makefile
@@ -0,0 +1,37 @@
+TARGET		= i686-elf
+TOOLS_PREFIX	= $(PWD)
+# The $TOOLS_PREFIX/bin dir MUST be in the PATH. GCC will use it. 
+PATH		:= "$(TOOLS_PREFIX)/bin:$(PATH)"
+export PATH
+
+BINUTILS_OUT	= src/binutils/out
+GCC_OUT		= src/gcc/out
+
+all: binutils gcc
+	bin/$(TARGET)-as --version
+	bin/$(TARGET)-gcc -###
+
+binutils:
+	mkdir $(BINUTILS_OUT)
+	(cd $(BINUTILS_OUT); ../configure --target=$(TARGET) --prefix="$(TOOLS_PREFIX)" \
+		--with-sysroot \
+		--disable-nls \
+		--disable-gdb \
+		--disable-werror)
+	$(MAKE) -C $(BINUTILS_OUT)
+	$(MAKE) -C $(BINUTILS_OUT) install
+
+gcc:
+	mkdir $(GCC_OUT)
+	(cd $(GCC_OUT); ../configure --target=$(TARGET) --prefix="$(TOOLS_PREFIX)" \
+		--disable-nls \
+		--enable-languages=c \
+		--without-headers)
+	$(MAKE) -C $(GCC_OUT) all-gcc
+	$(MAKE) -C $(GCC_OUT) all-target-libgcc
+	$(MAKE) -C $(GCC_OUT) install-gcc
+	$(MAKE) -C $(GCC_OUT) install-target-libgcc
+
+clean:
+	-rm -r $(BINUTILS_OUT) $(GCC_OUT)
+	-rm -r bin $(TARGET) include lib libexec share
diff --git a/tools/toolchain/src/binutils b/tools/toolchain/src/binutils
new file mode 160000
index 0000000..b51c2fe
--- /dev/null
+++ b/tools/toolchain/src/binutils
@@ -0,0 +1 @@
+Subproject commit b51c2fec1da205ea3e7354cbb3e253018d64873c
diff --git a/tools/toolchain/src/gcc b/tools/toolchain/src/gcc
new file mode 160000
index 0000000..2ee5e43
--- /dev/null
+++ b/tools/toolchain/src/gcc
@@ -0,0 +1 @@
+Subproject commit 2ee5e4300186a92ad73f1a1a64cb918dc76c8d67
-- 
cgit v1.2.3-18-g5258