From 01e0770bbb12897cf8e1e9510b2dbae3e6a2b453 Mon Sep 17 00:00:00 2001
From: Aditya <bluenerd@protonmail.com>
Date: Mon, 9 Jan 2023 15:43:43 +0530
Subject: [PATCH] Add 6.18 - Build gcc

---
 scripts/chapter6/6.18-gcc.sh | 61 ++++++++++++++++++++++++++++++++++++
 scripts/main.sh              | 16 ++++++++--
 2 files changed, 75 insertions(+), 2 deletions(-)
 create mode 100644 scripts/chapter6/6.18-gcc.sh

diff --git a/scripts/chapter6/6.18-gcc.sh b/scripts/chapter6/6.18-gcc.sh
new file mode 100644
index 0000000..2798724
--- /dev/null
+++ b/scripts/chapter6/6.18-gcc.sh
@@ -0,0 +1,61 @@
+#!/bin/bash
+
+cd $LFS/sources
+tar xf gcc-12.2.0.tar.xz
+cd gcc-12.2.0
+
+tar -xf ../mpfr-4.1.0.tar.xz
+mv -v mpfr-4.1.0 mpfr
+tar -xf ../gmp-6.2.1.tar.xz
+mv -v gmp-6.2.1 gmp
+tar -xf ../mpc-1.2.1.tar.gz
+mv -v mpc-1.2.1 mpc
+
+case $(uname -m) in
+  x86_64)
+    sed -e '/m64=/s/lib64/lib/' -i.orig gcc/config/i386/t-linux64
+  ;;
+esac
+
+sed '/thread_header =/s/@.*@/gthr-posix.h/' \
+    -i libgcc/Makefile.in libstdc++-v3/include/Makefile.in
+
+mkdir -v build
+cd       build
+
+../configure                                       \
+    --build=$(../config.guess)                     \
+    --host=$LFS_TGT                                \
+    --target=$LFS_TGT                              \
+    LDFLAGS_FOR_TARGET=-L$PWD/$LFS_TGT/libgcc      \
+    --prefix=/usr                                  \
+    --with-build-sysroot=$LFS                      \
+    --enable-initfini-array                        \
+    --disable-nls                                  \
+    --disable-multilib                             \
+    --disable-decimal-float                        \
+    --disable-libatomic                            \
+    --disable-libgomp                              \
+    --disable-libquadmath                          \
+    --disable-libssp                               \
+    --disable-libvtv                               \
+    --enable-languages=c,c++
+
+if [ $? -ne 0 ]
+then
+  exit 1
+fi
+
+make -j5
+
+if [ $? -ne 0 ]
+then
+  exit 1
+fi
+
+make DESTDIR=$LFS install
+
+ln -sv gcc $LFS/usr/bin/cc
+
+cd $LFS/sources
+rm -rf gcc-12.2.0
diff --git a/scripts/main.sh b/scripts/main.sh
index e7e2472..2edd80d 100644
--- a/scripts/main.sh
+++ b/scripts/main.sh
@@ -373,8 +373,8 @@ fi
 
 # Chapter 6.17
 # ============
-echo "Building 6.18"
-su - lfs -c "$PWD/chapter6/6.17-binutils.sh"
+echo "Building binutils pass 2"
+su - lfs -c "bash $PWD/chapter6/6.17-binutils.sh"
 
 # Exit on error
 check_exit_code
@@ -383,3 +383,15 @@ then
 	stop_script "chapter6/6.17-binutils.sh"
 fi
 
+# Chapter 6.18
+# ============
+echo "Building gcc pass 2"
+su - lfs -c "bash $PWD/chapter6/6.18-gcc.sh"
+
+# Exit on error
+check_exit_code
+if [ $exit_status -ne 0 ]
+then
+	stop_script "chapter6/6.18-gcc.sh"
+fi
+