Commands needed to build the rippled RPM on a fresh CentOS 7 install

rippled.rpm.sh

# Setup rippled RPM build environemnt on CentOS
# From a fresh CentOS install

# Update system, reboot
sudo yum update
sudo reboot

# Install deps
sudo yum install protobuf-static openssl-static zlib-static

# Install rpm-build, git, wget, g++
sudo yum install rpm-build git wget gcc-c++

# Install ninja build, cmake3
sudo yum install epel-release
sudo yum install ninja-build cmake3

# Install devtools
sudo yum install centos-release-scl yum-utils
sudo yum-config-manager --enable rhel-server-rhscl-7-rpms
sudo yum install devtoolset-7
scl enable devtoolset-7 bash

# Create requried directories
sudo mkdir /opt/rippled_build/
sudo chmod 777 /opt/rippled_build
mkdir -p /opt/rippled_build/pkg/rpmbuild/SOURCES

# Download boost
cd /opt/rippled_build/pkg
wget https://dl.bintray.com/boostorg/release/1.67.0/source/boost_1_67_0.tar.gz
tar xzvf boost_16_0.tar.gz
cd boost_1_67_0
./bootstrap.sh
./b2 -jN # where N is the number of CPUs you have

# Download kerberos
sudo yum install byacc
wget http://web.mit.edu/kerberos/dist/krb5/1.17/krb5-1.17.tar.gz
tar xzvf krb5-1.17.tar.gz 
cd krb5-1.17/src
./configure --enable-static --disable-shared
make


# Checkout rippled
git clone https://github.com/ripple/rippled.git
ln -s rippled/Builds/containers/packaging/rpm/rippled.spec .
cd rippled
git apply custom-build.patch
cd Builds/containers/shared
BOOST_ROOT='/opt/rippled_bld/pkg/boost_1_67_0' ../packaging/rpm/build_rpm.sh

###
# custom-build.patch (apply above)
diff --git a/Builds/containers/packaging/rpm/rippled.spec b/Builds/containers/packaging/rpm/rippled.spec
index cf9b144..5cb98c2 100644
--- a/Builds/containers/packaging/rpm/rippled.spec
+++ b/Builds/containers/packaging/rpm/rippled.spec
@@ -33,21 +33,21 @@ core library for development of standalone applications that sign transactions.
 cd rippled
 mkdir -p bld.release
 cd bld.release
-cmake .. -G Ninja -DCMAKE_INSTALL_PREFIX=%{_prefix} -DCMAKE_BUILD_TYPE=Release -Dstatic=true -DCMAKE_VERBOSE_MAKEFILE=ON -Dlocal_protobuf=ON
+cmake3 .. -G Ninja -DCMAKE_INSTALL_PREFIX=%{_prefix} -DCMAKE_BUILD_TYPE=Release -Dstatic=true -DCMAKE_VERBOSE_MAKEFILE=ON -Dlocal_protobuf=ON
 rm -rf $RPM_BUILD_ROOT
-DESTDIR=$RPM_BUILD_ROOT cmake --build . --parallel --target install -- -v
+DESTDIR=$RPM_BUILD_ROOT cmake3 --build . --parallel --target install -- -v
 
 cd ../../validator-keys-tool
 mkdir -p bld.release
 cd bld.release
-cmake .. -G Ninja -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH=$RPM_BUILD_ROOT%{_prefix}/ -Dstatic=true -DCMAKE_VERBOSE_MAKEFILE=ON
-cmake --build . --parallel -- -v
+cmake3 .. -G Ninja -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH=$RPM_BUILD_ROOT%{_prefix}/ -Dstatic=true -DCMAKE_VERBOSE_MAKEFILE=ON
+cmake3 --build . --parallel -- -v
 
 %pre
 test -e /etc/pki/tls || { mkdir -p /etc/pki; ln -s /usr/lib/ssl /etc/pki/tls; }
 
 %install
-DESTDIR=$RPM_BUILD_ROOT cmake --build rippled/bld.release --target install -- -v
+DESTDIR=$RPM_BUILD_ROOT cmake3 --build rippled/bld.release --target install -- -v
 install -d ${RPM_BUILD_ROOT}/etc/opt/ripple
 install -d ${RPM_BUILD_ROOT}/usr/local/bin
 ln -s %{_prefix}/etc/rippled.cfg ${RPM_BUILD_ROOT}/etc/opt/ripple/rippled.cfg
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 513eb3d..fb12733 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -19,7 +19,7 @@ if (POLICY CMP0074)
   cmake_policy(SET CMP0074 NEW)
 endif ()
 #[===================================================================[
-   convenience variables and sanity checks
+#   convenience variables and sanity checks
 #]===================================================================]
 
 if (NOT ep_procs)
@@ -1406,18 +1406,18 @@ exclude_if_included (rocksdb_lib)
 
 if (is_root_project) # NuDB not needed in the case of xrpl_core inclusion build
   add_library (nudb INTERFACE)
-  if (CMAKE_VERSION VERSION_GREATER_EQUAL 3.11)
-    FetchContent_Declare(
-      nudb_src
-      GIT_REPOSITORY https://github.com/vinniefalco/NuDB.git
-      GIT_TAG        1.0.0
-    )
-    FetchContent_GetProperties(nudb_src)
-    if(NOT nudb_src_POPULATED)
-      message (STATUS "Pausing to download NuDB...")
-      FetchContent_Populate(nudb_src)
-    endif()
-  else ()
+  #if (CMAKE_VERSION VERSION_GREATER_EQUAL 3.11)
+  #  FetchContent_Declare(
+  #    nudb_src
+  #    GIT_REPOSITORY https://github.com/vinniefalco/NuDB.git
+  #    GIT_TAG        1.0.0
+  #  )
+  #  FetchContent_GetProperties(nudb_src)
+  #  if(NOT nudb_src_POPULATED)
+  #    message (STATUS "Pausing to download NuDB...")
+  #    FetchContent_Populate(nudb_src)
+  #  endif()
+  #else ()
     ExternalProject_Add (nudb_src
       PREFIX ${nih_cache_path}
       GIT_REPOSITORY https://github.com/vinniefalco/NuDB.git
@@ -1431,7 +1431,7 @@ if (is_root_project) # NuDB not needed in the case of xrpl_core inclusion build
     set (nudb_src_SOURCE_DIR "${SOURCE_DIR}")
     file (MAKE_DIRECTORY ${nudb_src_SOURCE_DIR}/include)
     add_dependencies (nudb nudb_src)
-  endif ()
+  #endif ()
 
   file(TO_CMAKE_PATH "${nudb_src_SOURCE_DIR}" nudb_src_SOURCE_DIR)
 # specify as system includes so as to avoid warnings