From a0bed696328bc593165a23bf118e20486a2c7fa7 Mon Sep 17 00:00:00 2001
From: Jacob Kahn <jacobkahn1@gmail.com>
Date: Tue, 18 May 2021 02:28:38 -0500
Subject: [PATCH] [cudnn] Fix port: install find module, add usage (#17644)

* [cudnn] Fix port

* [cudnn] Update version

* x-add-version again...
---
 ports/cudnn/CONTROL        |  2 +-
 ports/cudnn/portfile.cmake |  3 +++
 ports/cudnn/usage          | 10 ++++++++++
 versions/baseline.json     |  2 +-
 versions/c-/cudnn.json     |  5 +++++
 5 files changed, 20 insertions(+), 2 deletions(-)
 create mode 100644 ports/cudnn/usage

diff --git a/ports/cudnn/CONTROL b/ports/cudnn/CONTROL
index db910a7bcc..724918356c 100644
--- a/ports/cudnn/CONTROL
+++ b/ports/cudnn/CONTROL
@@ -1,6 +1,6 @@
 Source: cudnn
 Version: 7.6.5
-Port-Version: 2
+Port-Version: 3
 Description: NVIDIA's cuDNN deep neural network acceleration library
 Build-Depends: cuda
 Supports: (windows|linux)&x64
diff --git a/ports/cudnn/portfile.cmake b/ports/cudnn/portfile.cmake
index 6a00831308..7ec09f030d 100644
--- a/ports/cudnn/portfile.cmake
+++ b/ports/cudnn/portfile.cmake
@@ -70,3 +70,6 @@ elseif(VCPKG_TARGET_IS_WINDOWS)
 else()
   message(FATAL_ERROR "Please install CUDNN using your system package manager (the same way you installed CUDA). For example: apt install libcudnn8-dev.")
 endif()
+
+file(INSTALL "${CURRENT_PORT_DIR}/FindCUDNN.cmake" DESTINATION ${CURRENT_PACKAGES_DIR}/share/${PORT})
+file(INSTALL "${CURRENT_PORT_DIR}/usage" DESTINATION ${CURRENT_PACKAGES_DIR}/share/${PORT})
diff --git a/ports/cudnn/usage b/ports/cudnn/usage
new file mode 100644
index 0000000000..f528e01546
--- /dev/null
+++ b/ports/cudnn/usage
@@ -0,0 +1,10 @@
+The package cudnn provides CMake variables:
+
+    find_package(CUDNN REQUIRED)
+    target_link_libraries(main PRIVATE ${CUDNN_LIBRARIES})
+    target_include_directories(main PRIVATE ${CUDNN_INCLUDE_DIRS})
+
+Or the following CMake target:
+
+    find_package(CUDNN REQUIRED)
+    target_link_libraries(main PRIVATE CuDNN::CuDNN)
diff --git a/versions/baseline.json b/versions/baseline.json
index 7508a29868..d419f8575a 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -1530,7 +1530,7 @@
     },
     "cudnn": {
       "baseline": "7.6.5",
-      "port-version": 2
+      "port-version": 3
     },
     "cunit": {
       "baseline": "2.1.3-6",
diff --git a/versions/c-/cudnn.json b/versions/c-/cudnn.json
index cc7e05d0ce..5dfd33643a 100644
--- a/versions/c-/cudnn.json
+++ b/versions/c-/cudnn.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "00e54079329e9cc4f1f623dce3bc39b0f19e958d",
+      "version-string": "7.6.5",
+      "port-version": 3
+    },
     {
       "git-tree": "5581791a9ad35390ed30629985b3863cf8b85bba",
       "version-string": "7.6.5",