sirius: libxc 7 forward compat (#48663)

var/spack/repos/builtin/packages/sirius/libxc7.patch

@@ -0,0 +1,16 @@
+--- a/src/potential/xc_functional_base.hpp
++++ b/src/potential/xc_functional_base.hpp
+@@ -15,6 +15,13 @@
+ #define __XC_FUNCTIONAL_BASE_HPP__
+ 
+ #include <xc.h>
++
++/* libxc >= 7 split the functional definition in a different file from xc.h */
++
++#if (XC_MAJOR_VERSION >= 7)
++#include <xc_funcs.h>
++#endif
++
+ #include <string.h>
+ #include <memory>
+ #include <map>

var/spack/repos/builtin/packages/sirius/package.py

@@ -130,7 +130,7 @@ class Sirius(CMakePackage, CudaPackage, ROCmPackage):
     depends_on("fftw-api@3")
     depends_on("libxc@3.0.0:")
     depends_on("libxc@4.0.0:", when="@7.2.0:")
-    depends_on("libxc@:6", when="@:7.6.1")
+    depends_on("libxc@:7", when="@:7.5")
     depends_on("spglib")
     depends_on("hdf5+hl")
     depends_on("pkgconfig", type="build")
@@ -164,6 +164,8 @@ class Sirius(CMakePackage, CudaPackage, ROCmPackage):
         # spla removed the openmp option in 1.6.0
         conflicts("^spla@:1.5~openmp", when="+openmp")
 
+    patch("libxc7.patch", when="@7.6:")
+
     depends_on("nlcglib", when="+nlcglib")
     depends_on("nlcglib+rocm", when="+nlcglib+rocm")
     depends_on("nlcglib+cuda", when="+nlcglib+cuda")