From 24befb2ffd6bb10946ef43aa7aa9b2b1b671596a Mon Sep 17 00:00:00 2001
From: Aditya <bluenerd@protonmail.com>
Date: Wed, 11 Jan 2023 14:38:35 +0530
Subject: [PATCH] Add 8.26 - Build gcc

---
 scripts/chapter8/8.26-gcc.sh | 74 ++++++++++++++++++++++++++++++++++++
 scripts/main.sh              | 12 ++++++
 2 files changed, 86 insertions(+)
 create mode 100644 scripts/chapter8/8.26-gcc.sh

diff --git a/scripts/chapter8/8.26-gcc.sh b/scripts/chapter8/8.26-gcc.sh
new file mode 100644
index 0000000..d9fa57c
--- /dev/null
+++ b/scripts/chapter8/8.26-gcc.sh
@@ -0,0 +1,74 @@
+#!/bin/bash
+
+cd /sources
+tar xf gcc-12.2.0.tar.xz
+cd gcc-12.2.0
+
+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 --prefix=/usr            \
+             LD=ld                    \
+             --enable-languages=c,c++ \
+             --disable-multilib       \
+             --disable-bootstrap      \
+             --with-system-zlib
+
+if [ $? -ne 0 ]
+then
+  exit 1
+fi
+
+make -j5
+
+if [ $? -ne 0 ]
+then
+  exit 1
+fi 
+
+ulimit -s 32768
+
+chown -Rv tester .
+su tester -c "PATH=$PATH make -k check"
+
+../contrib/test_summary
+
+make install
+
+chown -v -R root:root \
+    /usr/lib/gcc/$(gcc -dumpmachine)/12.2.0/include{,-fixed}
+
+ln -svr /usr/bin/cpp /usr/lib
+
+ln -sfv ../../libexec/gcc/$(gcc -dumpmachine)/12.2.0/liblto_plugin.so \
+        /usr/lib/bfd-plugins/
+
+echo 'int main(){}' > dummy.c
+cc dummy.c -v -Wl,--verbose &> dummy.log
+readelf -l a.out | grep ': /lib'
+
+grep -o '/usr/lib.*/crt[1in].*succeeded' dummy.log
+
+grep -B4 '^ /usr/include' dummy.log
+
+grep 'SEARCH.*/usr/lib' dummy.log |sed 's|; |\n|g'
+
+grep "/lib.*/libc.so.6 " dummy.log
+
+grep found dummy.log
+
+rm -v dummy.c a.out dummy.log
+
+mkdir -pv /usr/share/gdb/auto-load/usr/lib
+mv -v /usr/lib/*gdb.py /usr/share/gdb/auto-load/usr/lib
+
+cd /sources
+rm -rf gcc-12.2.0
+
diff --git a/scripts/main.sh b/scripts/main.sh
index 940de7b..805bc32 100644
--- a/scripts/main.sh
+++ b/scripts/main.sh
@@ -846,3 +846,15 @@ then
 	stop_script "chapter8/8.25-shadow.sh"
 fi
 
+# Chapter 8.26
+# ============
+echo "Building gcc"
+su -c "bash $SCRIPT/chapter8/8.26-gcc.sh"
+
+# Exit on error
+check_exit_code
+if [ $exit_status -ne 0 ]
+then
+	stop_script "chapter8/8.26-gcc.sh"
+fi
+