add patch for not linking to clang rt bulitin lib, and apply patches to 3.9.0 too (#20937)

var/spack/repos/builtin/packages/hip/0003-Improve-compilation-without-git-repo.3.9.0.patch

@@ -0,0 +1,56 @@
+From db2a538d9beaef9092dff19c36ed8a2e291bc69a Mon Sep 17 00:00:00 2001
+From: Harmen Stoppels <harmenstoppels@gmail.com>
+Date: Mon, 11 Jan 2021 16:38:14 +0100
+Subject: [PATCH 1/2] Improve compilation without git repo
+
+---
+ CMakeLists.txt | 17 +++++++++--------
+ 1 file changed, 9 insertions(+), 8 deletions(-)
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 7f5bdad9..ca0e7ed4 100755
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -44,9 +44,17 @@ string(REPLACE "." ";" VERSION_LIST ${HIP_BASE_VERSION})
+ list(GET VERSION_LIST 0 HIP_VERSION_MAJOR)
+ list(GET VERSION_LIST 1 HIP_VERSION_MINOR)
+ 
+-find_package(Git)
++# only look for git when we have a git repo
++if (IS_DIRECTORY "${PROJECT_SOURCE_DIR}/.git")
++  find_package(Git)
++endif()
+ 
+ # FIXME: Two different version strings used.
++
++set(HIP_PACKAGING_VERSION_PATCH "0")
++set(HIP_VERSION_GITDATE "0")
++set(HIP_VERSION_PATCH "0")
++
+ if(GIT_FOUND)
+   # get date information based on UTC
+   # use the last two digits of year + week number + day in the week as HIP_VERSION_GITDATE
+@@ -90,9 +98,6 @@ if(GIT_FOUND)
+   else()
+     set(HIP_PACKAGING_VERSION_PATCH ${HIP_VERSION_GITDATE}.${HIP_VERSION_GITCOUNT}-${HIP_VERSION_GITHASH})
+   endif()
+-else()
+-  # FIXME: Some parts depend on this being set.
+-  set(HIP_PACKAGING_VERSION_PATCH "0")
+ endif()
+ 
+ add_to_config(_versionInfo HIP_VERSION_MAJOR)
+@@ -447,10 +452,6 @@ endif()
+ # Generate .hipVersion
+ file(WRITE "${PROJECT_BINARY_DIR}/.hipVersion" ${_versionInfo})
+ 
+-if(NOT DEFINED HIP_VERSION_GITDATE)
+-  set(HIP_VERSION_GITDATE 0)
+-endif()
+-
+ # Generate hip_version.h
+ set(_versionInfoHeader
+ "// Auto-generated by cmake\n
+-- 
+2.25.1
+

var/spack/repos/builtin/packages/hip/0004-Drop-clang-rt-builtins-linking-on-hip-host.3.10.0.patch

@@ -0,0 +1,32 @@
+From 8b266132ee180ff8cc17b394ba64850f207a3dab Mon Sep 17 00:00:00 2001
+From: Harmen Stoppels <harmenstoppels@gmail.com>
+Date: Tue, 12 Jan 2021 12:26:44 +0100
+Subject: [PATCH] Drop clang rt builtins linking on hip::host
+
+Ref this comment
+https://github.com/ROCm-Developer-Tools/HIP/pull/2217#discussion_r555402581:
+
+> Yea, this should only be linked on hip::device as I believe its needed
+> for __fp16 support on the GPU. If users need this on the host-side,
+> then they should explicitly add it.
+---
+ hip-config.cmake.in | 3 ---
+ 1 file changed, 3 deletions(-)
+
+diff --git a/hip-config.cmake.in b/hip-config.cmake.in
+index 6dfbd527..0ac1b659 100644
+--- a/hip-config.cmake.in
++++ b/hip-config.cmake.in
+@@ -206,9 +206,6 @@ if(HIP_COMPILER STREQUAL "clang")
+   endif()
+ 
+   # Add support for __fp16 and _Float16, explicitly link with compiler-rt
+-  set_property(TARGET hip::host APPEND PROPERTY
+-    INTERFACE_LINK_LIBRARIES -L${HIP_CLANG_INCLUDE_PATH}/../lib/linux -lclang_rt.builtins-x86_64
+-  )
+   set_property(TARGET hip::device APPEND PROPERTY
+     INTERFACE_LINK_LIBRARIES -L${HIP_CLANG_INCLUDE_PATH}/../lib/linux -lclang_rt.builtins-x86_64
+   )
+-- 
+2.25.1
+

var/spack/repos/builtin/packages/hip/0004-Drop-clang-rt-builtins-linking-on-hip-host.3.9.0.patch

@@ -0,0 +1,35 @@
+From 053bb794c57424fc47d53d8914bca1dc8d776a34 Mon Sep 17 00:00:00 2001
+From: Harmen Stoppels <harmenstoppels@gmail.com>
+Date: Tue, 12 Jan 2021 12:26:44 +0100
+Subject: [PATCH 2/2] Drop clang rt builtins linking on hip::host
+
+Ref this comment
+https://github.com/ROCm-Developer-Tools/HIP/pull/2217#discussion_r555402581:
+
+> Yea, this should only be linked on hip::device as I believe its needed
+> for __fp16 support on the GPU. If users need this on the host-side,
+> then they should explicitly add it.
+---
+ hip-config.cmake.in | 6 ------
+ 1 file changed, 6 deletions(-)
+
+diff --git a/hip-config.cmake.in b/hip-config.cmake.in
+index ba340134..4daff392 100644
+--- a/hip-config.cmake.in
++++ b/hip-config.cmake.in
+@@ -204,12 +204,6 @@ if(HIP_COMPILER STREQUAL "clang")
+   endif()
+ 
+   # Add support for __fp16 and _Float16, explicitly link with compiler-rt
+-  set_property(TARGET hip::host APPEND PROPERTY
+-    INTERFACE_COMPILE_OPTIONS -L${HIP_CLANG_INCLUDE_PATH}/../lib/linux -lclang_rt.builtins-x86_64
+-  )
+-  set_property(TARGET hip::host APPEND PROPERTY
+-    INTERFACE_LINK_LIBRARIES -L${HIP_CLANG_INCLUDE_PATH}/../lib/linux -lclang_rt.builtins-x86_64
+-  )
+   set_property(TARGET hip::device APPEND PROPERTY
+     INTERFACE_COMPILE_OPTIONS -L${HIP_CLANG_INCLUDE_PATH}/../lib/linux -lclang_rt.builtins-x86_64
+   )
+-- 
+2.25.1
+

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

@@ -52,7 +52,12 @@ class Hip(CMakePackage):
     patch('0002-Fix-detection-of-HIP_CLANG_ROOT.patch', when='@:3.9.0')
 
     # See https://github.com/ROCm-Developer-Tools/HIP/pull/2218
-    patch('0003-Improve-compilation-without-git-repo.patch', when='@4.0.0:')
+    patch('0003-Improve-compilation-without-git-repo.3.9.0.patch', when='@3.9.0')
+    patch('0003-Improve-compilation-without-git-repo.3.10.0.patch', when='@3.10.0:4.0.0')
+
+    # See https://github.com/ROCm-Developer-Tools/HIP/pull/2219
+    patch('0004-Drop-clang-rt-builtins-linking-on-hip-host.3.9.0.patch', when='@3.9.0')
+    patch('0004-Drop-clang-rt-builtins-linking-on-hip-host.3.10.0.patch', when='@3.10.0:4.0.0')
 
     def get_rocm_prefix_info(self):
         # External packages in Spack do not currently contain dependency
@@ -109,6 +114,10 @@ def set_variables(self, env):
         env.set('ROCMINFO_PATH', rocm_prefixes['rocminfo'])
         env.set('DEVICE_LIB_PATH', rocm_prefixes['device_lib_path'])
         env.set('HIP_PATH', rocm_prefixes['rocm-path'])
+        # this guy is used in comgr, see the following file:
+        # https://github.com/RadeonOpenCompute/ROCm-CompilerSupport/blob/rocm-4.0.0/lib/comgr/src/comgr-env.cpp
+        # it's necessary on runtime when using hiprtcCreateProgram and such
+        env.set('LLVM_PATH', rocm_prefixes['llvm-amdgpu'])
         env.set('HIPCC_COMPILE_FLAGS_APPEND',
                 '--rocm-path={0}'.format(rocm_prefixes['device_lib_path']))
 
@@ -135,16 +144,6 @@ def patch(self):
             'INTERFACE_INCLUDE_DIRECTORIES "${_IMPORT_PREFIX}/include"',
             'hip-config.cmake.in', string=True)
 
-    def flag_handler(self, name, flags):
-        if name == 'cxxflags' and '@3.7.0:' in self.spec:
-            incl = self.spec['hip-rocclr'].prefix.include
-            flags.append('-I {0}/compiler/lib/include'.format(incl))
-            flags.append('-I {0}/elf'.format(incl))
-
-        return (flags, None, None)
-
-    @run_before('install')
-    def filter_sbang(self):
         perl = self.spec['perl'].command
         kwargs = {'ignore_absent': False, 'backup': False, 'string': False}
 
@@ -157,8 +156,6 @@ def filter_sbang(self):
             ]
             filter_file(match, substitute, *files, **kwargs)
 
-    @run_before('install')
-    def filter_numactl(self):
         if '@3.7.0:' in self.spec:
             numactl = self.spec['numactl'].prefix.lib
             kwargs = {'ignore_absent': False, 'backup': False, 'string': False}
@@ -168,6 +165,14 @@ def filter_numactl(self):
                 substitute = " -L{numactl} -lnuma".format(numactl=numactl)
                 filter_file(match, substitute, 'hipcc', **kwargs)
 
+    def flag_handler(self, name, flags):
+        if name == 'cxxflags' and '@3.7.0:' in self.spec:
+            incl = self.spec['hip-rocclr'].prefix.include
+            flags.append('-I {0}/compiler/lib/include'.format(incl))
+            flags.append('-I {0}/elf'.format(incl))
+
+        return (flags, None, None)
+
     def cmake_args(self):
         args = [
             '-DHIP_COMPILER=clang',