diff --git a/share/spack/gitlab/cloud_pipelines/stacks/hep/spack.yaml b/share/spack/gitlab/cloud_pipelines/stacks/hep/spack.yaml
index 6c6b6d91295..40d8bd81f4f 100644
--- a/share/spack/gitlab/cloud_pipelines/stacks/hep/spack.yaml
+++ b/share/spack/gitlab/cloud_pipelines/stacks/hep/spack.yaml
@@ -27,7 +27,7 @@ spack:
     rivet:
       require: hepmc=3
     root:
-      require: +arrow +davix +dcache +emacs +examples +fftw +fits +fortran +gdml +graphviz +gsl +http +math +minuit +mlp +mysql +opengl +postgres +pythia8 +python +r +roofit +root7 +rpath ~shadow +spectrum +sqlite +ssl +tbb +threads +tmva +tmva-cpu +unuran +vc +vdt +veccore +webgui +x +xml +xrootd # cxxstd=20
+      require: +arrow ~daos +davix +dcache +emacs +examples +fftw +fits +fortran +gdml +graphviz +gsl +http +math +minuit +mlp +mysql +opengl +postgres +pythia8 +python +r +roofit +root7 +rpath ~shadow +spectrum +sqlite +ssl +tbb +threads +tmva +tmva-cpu +unuran +vc +vdt +veccore +webgui +x +xml +xrootd # cxxstd=20
       # note: root cxxstd=20 not concretizable within sherpa
     vecgeom:
       require: +gdml +geant4 +root +shared cxxstd=20
diff --git a/var/spack/repos/builtin/packages/daos/package.py b/var/spack/repos/builtin/packages/daos/package.py
index 341f2e442f5..0257af8e642 100644
--- a/var/spack/repos/builtin/packages/daos/package.py
+++ b/var/spack/repos/builtin/packages/daos/package.py
@@ -33,6 +33,7 @@ class Daos(SConsPackage):
     depends_on("boost", type="build")
     depends_on("cmocka", type="build")
     depends_on("go", type="build")
+    depends_on("pkgconfig", type="build")
     depends_on("hwloc")
     depends_on("isa-l@2.30.0:")
     depends_on("isa-l-crypto@2.23.0:")
diff --git a/var/spack/repos/builtin/packages/dpdk/package.py b/var/spack/repos/builtin/packages/dpdk/package.py
index 47c8165010d..f99cfc1098b 100644
--- a/var/spack/repos/builtin/packages/dpdk/package.py
+++ b/var/spack/repos/builtin/packages/dpdk/package.py
@@ -49,7 +49,7 @@ class Dpdk(MakefilePackage, MesonPackage):
 
 class MesonBuilder(MesonBuilder):
     def meson_args(self):
-        return ["--warnlevel=3"]
+        return ["--warnlevel=2"]
 
 
 class MakefileBuilder(MakefileBuilder):
diff --git a/var/spack/repos/builtin/packages/root/package.py b/var/spack/repos/builtin/packages/root/package.py
index e6812b89341..61078203c14 100644
--- a/var/spack/repos/builtin/packages/root/package.py
+++ b/var/spack/repos/builtin/packages/root/package.py
@@ -190,6 +190,9 @@ class Root(CMakePackage):
     variant("arrow", default=False, description="Enable Arrow interface")
     variant("cuda", when="@6.08.00:", default=False, description="Enable CUDA support")
     variant("cudnn", when="@6.20.02:", default=False, description="Enable cuDNN support")
+    variant(
+        "daos", default=False, description="Enable RNTuple support for DAOS storage", when="@6.26:"
+    )
     variant("davix", default=True, description="Compile with external Davix")
     variant("dcache", default=False, description="Enable support for dCache")
     variant("emacs", default=False, description="Enable Emacs support")
@@ -389,6 +392,7 @@ class Root(CMakePackage):
     depends_on("cuda", when="+cuda")
     depends_on("cuda", when="+cudnn")
     depends_on("cudnn", when="+cudnn")
+    depends_on("daos", when="+daos")
     depends_on("davix @0.7.1:", when="+davix")
     depends_on("dcap", when="+dcache")
     depends_on("cfitsio", when="+fits")
@@ -560,6 +564,7 @@ def _add_variant(variants, features, featurename, variantname):
                     variants.append("~%s" % variantname[1:])
 
         _add_variant(v, f, "cocoa", "+aqua")
+        _add_variant(v, f, "daos", "+daos")
         _add_variant(v, f, "davix", "+davix")
         _add_variant(v, f, "dcache", "+dcache")
         _add_variant(v, f, "fftw3", "+fftw")
@@ -706,6 +711,7 @@ def cmake_args(self):
             define_from_variant("cocoa", "aqua"),
             define("dataframe", True),
             define_from_variant("davix"),
+            define_from_variant("daos"),
             define_from_variant("dcache"),
             define_from_variant("fftw3", "fftw"),
             define_from_variant("fitsio", "fits"),
diff --git a/var/spack/repos/builtin/packages/spdk/package.py b/var/spack/repos/builtin/packages/spdk/package.py
index a20e4767f0d..b370c1fa376 100644
--- a/var/spack/repos/builtin/packages/spdk/package.py
+++ b/var/spack/repos/builtin/packages/spdk/package.py
@@ -61,6 +61,8 @@ class Spdk(AutotoolsPackage):
 
     depends_on("c", type="build")  # generated
     depends_on("cxx", type="build")  # generated
+    depends_on("libtool", type="build")
+    depends_on("pkgconfig", type="build")
 
     depends_on("dpdk@22.11:", when="+dpdk")
     depends_on("fio@3.33", when="+fio")
@@ -70,6 +72,7 @@ class Spdk(AutotoolsPackage):
     depends_on("numactl")
     depends_on("py-pyelftools")
     depends_on("rdma-core", when="+rdma")
+    depends_on("uuid")
 
     def configure_args(self):
         spec = self.spec