make install-flash-attn-v2-cuda should work like `make install-flas…

…h-attn-v2` used to work. (#1294)

# What does this PR do?

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server/Makefile-flash-att-v2

@@ -1,26 +1,29 @@
-flash_att_v2_commit := 02ac572f3ffc4f402e4183aaa6824b45859d3ed3
+flash_att_v2_commit_cuda := 02ac572f3ffc4f402e4183aaa6824b45859d3ed3
+flash_att_v2_commit_rocm := 8736558c287ff2ef28b24878e42828c595ac3e69
 
-build-flash-attention-v2-cuda: FLASH_ATTN_V2_COMMIT=02ac572f3ffc4f402e4183aaa6824b45859d3ed3
-build-flash-attention-v2-cuda: FLASH_REPOSITORY=https://github.com/HazyResearch/flash-attention.git
-build-flash-attention-v2-cuda: BRANCH=main
-build-flash-attention-v2-cuda: PYTORCH_ROCM_ARCH=""
-build-flash-attention-v2-cuda: build-flash-attention-v2
 
-build-flash-attention-v2-rocm: FLASH_ATTN_V2_COMMIT=8736558c287ff2ef28b24878e42828c595ac3e69
-build-flash-attention-v2-rocm: FLASH_REPOSITORY=https://github.com/fxmarty/flash-attention-rocm
-build-flash-attention-v2-rocm: BRANCH=remove-offload-arch-native
-build-flash-attention-v2-rocm: PYTORCH_ROCM_ARCH=gfx90a
-build-flash-attention-v2-rocm: build-flash-attention-v2
+flash-attention-v2-cuda:
+  # Clone flash attention
+	pip install -U packaging ninja  --no-cache-dir
+	git clone https://github.com/HazyResearch/flash-attention.git flash-attention-v2
+
+build-flash-attention-v2-cuda: flash-attention-v2-cuda
+	cd flash-attention-v2 && git fetch && git checkout $(flash_att_v2_commit_cuda)
+	cd flash-attention-v2 && git submodule update --init --recursive
+	cd flash-attention-v2 && python setup.py build
+
+install-flash-attention-v2-cuda: build-flash-attention-v2-cuda
+	cd flash-attention-v2 && git submodule update --init --recursive && python setup.py install
 
-flash-attention-v2:
+flash-attention-v2-rocm:
   # Clone flash attention
 	pip install -U packaging ninja  --no-cache-dir
-	git clone --single-branch --branch $(BRANCH) $(FLASH_REPOSITORY) flash-attention-v2
+	git clone https://github.com/fxmarty/flash-attention-rocm flash-attention-v2
 
-build-flash-attention-v2: flash-attention-v2
-	cd flash-attention-v2 && git fetch && git checkout $(FLASH_ATTN_V2_COMMIT)
+build-flash-attention-v2-rocm: flash-attention-v2-rocm
+	cd flash-attention-v2 && git fetch && git checkout $(flash_att_v2_commit_rocm)
 	cd flash-attention-v2 && git submodule update --init --recursive
-	cd flash-attention-v2 && PYTORCH_ROCM_ARCH=$(PYTORCH_ROCM_ARCH) python setup.py build
+	cd flash-attention-v2 && PYTORCH_ROCM_ARCH=gfx90a python setup.py build
 
-install-flash-attention-v2: build-flash-attention-v2
-	cd flash-attention-v2 && git submodule update --init --recursive && python setup.py install
+install-flash-attention-v2-rocm: build-flash-attention-v2-rocm
+	cd flash-attention-v2 && git submodule update --init --recursive && python setup.py install