From 50cc898d7d0f46449ed62574f7eb9b6bb4852674 Mon Sep 17 00:00:00 2001
From: Jonathan Bauer
Date: Fri, 30 Jul 2021 10:41:50 +0200
Subject: [dnbd3-rootfs] add support for scl if needed

---
 modules.d/dnbd3-rootfs/helper/build.inc | 31 ++++++++++++++++++++++---------
 1 file changed, 22 insertions(+), 9 deletions(-)

diff --git a/modules.d/dnbd3-rootfs/helper/build.inc b/modules.d/dnbd3-rootfs/helper/build.inc
index 75397ac2..35aeb359 100644
--- a/modules.d/dnbd3-rootfs/helper/build.inc
+++ b/modules.d/dnbd3-rootfs/helper/build.inc
@@ -168,20 +168,33 @@ build_compile_dnbd3() {
     `CMAKE_FLAGS="-DKERNEL_BUILD_DIR=<path_to_kernel_build_dir>" \
         build_compile_dnbd3 path/to/dnbd3/source/`
     '
+    # scl?
+    _cmake_cmd=("cmake")
+    _wrapper_cmd=("bash")
+    shopt -s nocasematch
+    if [[ "$(lsb_release -irs)" =~ ^centos\ 7 ]]; then
+        _cmake_cmd=("cmake3")
+        _wrapper_cmd=("scl" "enable" "devtoolset-7" "llvm-toolset-7" "--" "bash")
+    fi
+    shopt -u nocasematch
+
     [ -z "$1" ] && return 1
     pushd "$1"
     (
         mkdir --parents build
         cd build
-        # Inject CMAKE_FLAGS as a way to control how cmake is called,
-        # e.g. to pass the kernel version
-        cmake ${CMAKE_FLAGS} \
-            -DDNBD3_KERNEL_MODULE=ON \
-            -DDNBD3_CLIENT_FUSE=OFF \
-            -DDNBD3_SERVER=OFF \
-            -DDNBD3_SERVER_FUSE=OFF \
-            ..
-        make -j
+        ${_wrapper_cmd[@]} -c "
+            # Inject CMAKE_FLAGS as a way to control how cmake is called,
+            # e.g. to pass the kernel version
+            ${_cmake_cmd[@]} ${CMAKE_FLAGS} \
+                -DCMAKE_BUILD_TYPE=Release \
+                -DDNBD3_KERNEL_MODULE=ON \
+                -DDNBD3_CLIENT_FUSE=OFF \
+                -DDNBD3_SERVER=OFF \
+                -DDNBD3_SERVER_FUSE=OFF \
+                ..
+            make -j
+        "
     )
     local ret=$?
     popd
-- 
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