Reproducibly build MongoDB (7.0.0-rc0) from source on CentOS 9 Streams

build_mongodb_from_source_centos_9.sh

# Reproducible CentOS 9 Streams install steps for mongod v. 7.0.0 
# Cent 8 doesn't support g++-11.3
#
# NOT MEANT AS A TRUE SCRIPT -- SOME INTERACTION IS REQUIRED FROM PROMPTS
#
# THIS IN NO WAY IS OFFICIAL, OR REPRESENTS MongoDB Inc. USE AT YOUR OWN RISK
#

# Get ami # for official CentOS 9 Stream from https://www.centos.org/download/aws-images/

sudo yum -y update  # Yes to import CentOS GPG keys

# gcc / g++ default versions on Cent9 are 11.3

sudo yum -y install gcc gcc-c++
sudo yum -y group install "Development Tools"
sudo yum -y install curl-devel python3-devel 

# lld.x86_64 fixes: gcc warnings: std:hardware_destructive_interference_size assumed cache-line size 64 (which is 64 on all modern processors)
sudo yum -y install llvm llvm-devel clang lld.x86_64

sudo reboot

mkdir build1
cd build1

python --version
pip -V
pip3 -V

git clone https://github.com/mongodb/mongo.git
cd mongo
git checkout r7.0.0-rc0

# DISABLE SELINUX?

pip3 install -r etc/pip/compile-requirements.txt
time python3 buildscripts/scons.py install-mongod --disable-warnings-as-errors

# Executable has full debugging symbols, weighing in ~3GB, stripping symbols shrinks to 173MM
mv  ./build/install/bin/mongod ./build/install/bin/mongod-debug
objcopy --strip-debug ./build/install/bin/mongod-debug ./build/install/bin/mongod

cd ./build/install
rm -rf ./dbfiles
rm -rf ./dblogs
mkdir ./dbfiles
mkdir ./dblogs
./bin/mongod --fork --replSet rs0 --dbpath ./dbfiles --bind_ip 0.0.0.0 -port 27017 --logpath ./dblogs/mongod.log

# from mongosh:
rs.initiate()

# To shutdown:
sudo killall mongod