Try to fix Centos

Author: jeroen

Makefile

@@ -1,5 +1,5 @@
 # Workaround for ubuntu-18
-MAKEFLAGS = -j3
+#MAKEFLAGS = -j3
 
 library:
 	# Builds the library with R packages.

docker/centos-7/Dockerfile

@@ -6,9 +6,19 @@ ARG RSTUDIO=2023.12.0-369
 # Enable Vault and install EPEL
 RUN \
   sed -i.bak 's@^mirrorlist@#mirrorlist@g' /etc/yum.repos.d/*.repo &&\
-  sed -i.bak 's@#baseurl=http://mirror.centos.org@baseurl=http://vault.centos.org@g' /etc/yum.repos.d/*.repo &&\
+  sed -i.bak 's@#.*baseurl=http://mirror.centos.org@baseurl=http://vault.centos.org@g' /etc/yum.repos.d/*.repo &&\
   yum update -y &&\
-  yum install -y epel-release
+  yum install -y epel-release centos-release-scl &&\
+  sed -i.bak 's@^mirrorlist@#mirrorlist@g' /etc/yum.repos.d/*.repo &&\
+  sed -i.bak 's@#.*baseurl=http://mirror.centos.org@baseurl=http://vault.centos.org@g' /etc/yum.repos.d/*.repo &&\
+  yum install -y devtoolset-8 &&\
+  rm -f /etc/yum.repos.d/*.bak
+
+RUN \
+  curl -fsSOL https://cdn.rstudio.com/r/centos-7/pkgs/R-4.5.0-1-1.x86_64.rpm &&\
+  yum install -y R-4.5.0-1-1.x86_64.rpm
+
+ENV PATH="/opt/rh/devtoolset-8/root/usr/bin/:/opt/R/4.5.0/bin:${PATH}"
 
 # Install.
 RUN \
@@ -18,6 +28,7 @@ RUN \
   yum install -y rpm-build make wget tar httpd-devel libapreq2-devel R-devel libcurl-devel protobuf-devel openssl-devel libxml2-devel libicu-devel libssh2-devel cairo-devel createrepo cmake && \
   yum clean all
 
+
 USER builder
 
 RUN \