How to build rocm-hipamd

build.sh

# install basic tools
sudo apt install build-essential devscripts packaging-dev git vim dos2unix

# setup workspace to build in
mkdir hip
cd hip
gbp clone https://salsa.debian.org/rocm-team/rocm-hipamd.git
cd rocm-hipamd
gbp export-orig

# fixup line endings; corrected upstream in
# https://github.com/RadeonOpenCompute/ROCm-OpenCL-Runtime/commit/4b579bf25a0e7e0262f2836d03720a974bd2e866
dos2unix ./opencl/tests/ocltst/module/perf/oclperf.exclude
git add ./opencl/tests/ocltst/module/perf/oclperf.exclude
git commit -m 'fix oclperf.exclude line endings'

# install dependencies
mk-build-deps --install --root-cmd sudo --remove
git clean -dfx

# apply patch to replace .hipVersion
# https://lists.debian.org/debian-ai/2022/07/msg00019.html
gbp pq import
git apply << 'EOF'
> diff --git a/hip/bin/hipcc b/hip/bin/hipcc
index 4174ebe..29b27a7 100755
--- a/hip/bin/hipcc
+++ b/hip/bin/hipcc
@@ -105,6 +105,9 @@ $ROCM_PATH      =   $hipvars::ROCM_PATH;
 $HIP_VERSION    =   $hipvars::HIP_VERSION;
 $HSA_PATH       =   $hipvars::HSA_PATH;
 $HIP_ROCCLR_HOME =   $hipvars::HIP_ROCCLR_HOME;
+$HIP_VERSION_MAJOR = $hipvars::HIP_VERSION_MAJOR;
+$HIP_VERSION_MINOR = $hipvars::HIP_VERSION_MINOR;
+$HIP_VERSION_PATCH = $hipvars::HIP_VERSION_PATCH;
 
 if ($HIP_PLATFORM eq "amd") {
   # If using ROCclr runtime, need to find HIP_ROCCLR_HOME
@@ -208,6 +208,12 @@ if ($HIP_PLATFORM eq "amd") {
         $HIPCFLAGS .= " -isystem $HSA_PATH/include";
     }
 
+    # debian: there is no FHS compliant location for .hipVersion where clang will still be
+    # able to find it, so .hipVersion has been omitted and the hip version is passed explicitly
+    $HIPCXXFLAGS .= " --hip-version=$HIP_VERSION_MAJOR.$HIP_VERSION_MINOR.$HIP_VERSION_PATCH";
+    $HIPCFLAGS .= " --hip-version=$HIP_VERSION_MAJOR.$HIP_VERSION_MINOR.$HIP_VERSION_PATCH";
+    $HIPLDFLAGS .= " --hip-version=$HIP_VERSION_MAJOR.$HIP_VERSION_MINOR.$HIP_VERSION_PATCH";
+
 } elsif ($HIP_PLATFORM eq "nvidia") {
     $CUDA_PATH=$ENV{'CUDA_PATH'} // '/usr/local/cuda';
     $HIP_INCLUDE_PATH = "$HIP_PATH/include";
EOF
git add -u
git commit -m 'set version explicitly'
gbp pq export --commit

# build package
gbp buildpackage

# install package
sudo apt install ../*.deb