platform_configs: add a RHEL 7.6 build

A preparing for having android build later.

* install gcc 7.x
* install git 2.x
* install a few other dependencies

Change-Id: I18f05bdfb78c92b7f05f67609613b5271b400f91
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
Reviewed-by: Qt CMake Build Bot

coin/platform_configs/default.yaml

@@ -1,12 +1,22 @@
--   Template: 'qtci-linux-Ubuntu-18.04-x86_64'
+Version: 2
+Configurations:
+-
+    Template: 'qtci-linux-Ubuntu-18.04-x86_64'
     Compiler: 'GCC'
     Configure arguments: '-DBUILD_EXAMPLES=ON -DFEATURE_developer_build=ON'
--   Template: 'qtci-linux-openSUSE-15.0-x86_64'
+-
+    Template: 'qtci-linux-openSUSE-15.0-x86_64'
     Compiler: 'ICC_18'
     Configure arguments: '-DBUILD_EXAMPLES=OFF -DBUILD_SHARED_LIBS=OFF'
--   Template: 'qtci-macos-10.13-x86_64-2'
+-
+    Template: 'qtci-macos-10.13-x86_64-2'
     Compiler: 'Clang'
     Configure arguments: '-DBUILD_EXAMPLES=OFF -DCMAKE_OSX_SYSROOT:PATH=/Applications/Xcode10.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk -DCMAKE_OSX_DEPLOYMENT_TARGET=10.12'
--   Template: 'qtci-windows-10-x86_64-14'
+-
+    Template: 'qtci-windows-10-x86_64-14'
     Compiler: 'MSVC2017'
     Configure arguments: '-DBUILD_EXAMPLES=OFF -DCMAKE_TOOLCHAIN_FILE={{.Env.VCPKG_ROOT}}/scripts/buildsystems/vcpkg.cmake'
+-
+    Template: 'qtci-linux-RHEL-7.6-x86_64'
+    Compiler: 'GCC'
+    Configure arguments: '-DBUILD_EXAMPLES=OFF'

coin/provisioning/common/unix/install_protobuff.sh

@@ -53,7 +53,7 @@ sudo rm "$targetFile"
 
 # devtoolset is needed when running configuration
 if uname -a |grep -qv "Darwin"; then
-    export PATH="/opt/rh/devtoolset-4/root/usr/bin:$PATH"
+    export PATH="/opt/rh/devtoolset-7/root/usr/bin:$PATH"
 fi
 
 echo "Configuring and building protobuf"

coin/provisioning/qtci-linux-RHEL-7.6-x86_64/03-install-devtoolset.sh

@@ -35,7 +35,7 @@
 
 set -ex
 
-sudo yum -y install devtoolset-4
+sudo yum -y install devtoolset-7
 
-echo "source /opt/rh/devtoolset-4/enable" >> ~/.bashrc
+echo "source /opt/rh/devtoolset-7/enable" >> ~/.bashrc
 

coin/provisioning/qtci-linux-RHEL-7.6-x86_64/04-install-packages.sh

@@ -38,13 +38,20 @@ set -ex
 # Remove update notifications and packagekit running in the background
 sudo yum -y remove PackageKit gnome-software
 
+sudo yum-config-manager --enable rhel-server-rhscl-7-rpms
+
 installPackages=()
-installPackages+=(git)
+installPackages+=(rh-git29)
 installPackages+=(zlib-devel)
 installPackages+=(glib2-devel)
 installPackages+=(openssl-devel)
 installPackages+=(freetype-devel)
 installPackages+=(fontconfig-devel)
+# cmake build
+installPackages+=(ninja-build)
+installPackages+=(pcre2-devel)
+installPackages+=(double-conversion-devel)
+installPackages+=(zstd)
 # EGL support
 installPackages+=(mesa-libEGL-devel)
 installPackages+=(mesa-libGL-devel)
@@ -118,6 +125,9 @@ installPackages+=(vulkan-devel)
 
 sudo yum -y install "${installPackages[@]}"
 
+scl enable rh-git29 bash
+sudo ln -s /opt/rh/rh-git29/root/usr/bin/git /usr/local/bin/git
+
 sudo ln -s /opt/rh/rh-python36/root/usr/bin/python3 /usr/local/bin/python3
 sudo ln -s /opt/rh/rh-python36/root/usr/bin/pip3 /usr/local/bin/pip3
 # We shouldn't use yum to install virtualenv. The one found from package repo is not