From d40db637e16fc44ebbc1efb71274dfc251318c8a Mon Sep 17 00:00:00 2001
From: Aditya <bluenerd@protonmail.com>
Date: Sun, 8 Jan 2023 14:51:58 +0530
Subject: [PATCH] Add 5.3 - build gcc

---
 scripts/chapter5/5.3-gcc.sh | 69 +++++++++++++++++++++++++++++++++++++
 scripts/main.sh             | 10 ++++++
 2 files changed, 79 insertions(+)
 create mode 100644 scripts/chapter5/5.3-gcc.sh

diff --git a/scripts/chapter5/5.3-gcc.sh b/scripts/chapter5/5.3-gcc.sh
new file mode 100644
index 0000000..a3ee992
--- /dev/null
+++ b/scripts/chapter5/5.3-gcc.sh
@@ -0,0 +1,69 @@
+#!/bin/bash
+
+# Extract and switch to the directory
+cd $LFS/sources
+tar xf gcc-12.2.0.tar.xz
+cd $LFS/sources/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 $(uname -m) in
+  x86_64)
+    sed -e '/m64=/s/lib64/lib/' \
+        -i.orig gcc/config/i386/t-linux64
+ ;;
+esac
+
+mkdir -v build
+cd       build
+
+../configure                  \
+    --target=$LFS_TGT         \
+    --prefix=$LFS/tools       \
+    --with-glibc-version=2.36 \
+    --with-sysroot=$LFS       \
+    --with-newlib             \
+    --without-headers         \
+    --disable-nls             \
+    --disable-shared          \
+    --disable-multilib        \
+    --disable-decimal-float   \
+    --disable-threads         \
+    --disable-libatomic       \
+    --disable-libgomp         \
+    --disable-libquadmath     \
+    --disable-libssp          \
+    --disable-libvtv          \
+    --disable-libstdcxx       \
+    --enable-languages=c,c++
+
+# Exit on error
+if [ $? -ne 0 ]
+then 
+    exit 1
+fi
+
+make -j5
+
+# Exit on error
+if [ $? -ne 0 ]
+then 
+    exit 1
+fi
+
+make install
+
+
+if [ $? -ne 0 ]
+then 
+    exit 1
+fi
+
+cd ..
+cat gcc/limitx.h gcc/glimits.h gcc/limity.h > \
+  `dirname $($LFS_TGT-gcc -print-libgcc-file-name)`/install-tools/include/limits.h 
diff --git a/scripts/main.sh b/scripts/main.sh
index 7a56c63..b89216e 100644
--- a/scripts/main.sh
+++ b/scripts/main.sh
@@ -140,4 +140,14 @@ then
 	stop_script "chapter5/5.2-binutils.sh"
 fi
 
+# Chapter 5.3
+# ===========
+echo "Building gcc"
+su - lfs -c "$PWD/chapter5/5.3-gcc.sh"
 
+# Exit on error
+check_exit_code
+if [ $exit_status -ne 0 ]
+then
+	stop_script "chapter5/5.3-gcc.sh"
+fi