btop: add v1.3.0, added GPU variant (#42139)

var/spack/repos/builtin/packages/btop/link-dl.patch

@@ -0,0 +1,12 @@
+--- a/CMakeLists.txt	2024-01-07 15:23:01.000000000 +0100
++++ b/CMakeLists.txt	2024-01-18 10:55:06.245357111 +0100
+@@ -150,6 +150,9 @@
+
+     target_link_libraries(btop ROCm)
+   endif()
++  if(NOT BTOP_STATIC)
++    target_link_libraries(btop ${CMAKE_DL_LIBS})
++  endif()
+ endif()
+
+ if(BTOP_USE_MOLD)

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

@@ -2,10 +2,11 @@
 # Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
+from spack.build_systems import cmake, makefile
 from spack.package import *
 
 
-class Btop(MakefilePackage):
+class Btop(MakefilePackage, CMakePackage):
     """Resource monitor that shows usage and stats for processor,
     memory, disks, network and processes.
     """
@@ -17,12 +18,27 @@ class Btop(MakefilePackage):
 
     license("Apache-2.0")
 
+    version("1.3.0", sha256="375e078ce2091969f0cd14030620bd1a94987451cf7a73859127a786006a32cf")
     version("1.2.13", sha256="668dc4782432564c35ad0d32748f972248cc5c5448c9009faeb3445282920e02")
 
-    conflicts("%gcc@:9", msg="C++ 20 is required")
+    build_system("makefile", conditional("cmake", when="@1.3.0:"), default="cmake")
 
+    variant("gpu", default=False, description="Enable GPU support", when="build_system=cmake")
+
+    # Fix linking GPU support, by adding an explicit "target_link_libraries" to ${CMAKE_DL_LIBS}
+    patch("link-dl.patch", when="+gpu")
+
+    requires("%gcc@10:", "%clang@16:", policy="one_of", msg="C++ 20 is required")
+
+
+class MakefileBuilder(makefile.MakefileBuilder):
     build_targets = ["STATIC=true", "VERBOSE=true"]
 
     @property
     def install_targets(self):
         return [f"PREFIX={self.prefix}", "install"]
+
+
+class CMakeBuilder(cmake.CMakeBuilder):
+    def cmake_args(self):
+        return [self.define_from_variant("BTOP_GPU", "gpu")]