[ESI runtime] Fix Python wheel build

- Older versions of Linux (like the ones we use for Python wheel builds)
need more includes.
- Install backend shared libraries
- Exclude MtiPli from repair

lib/Dialect/ESI/runtime/CMakeLists.txt

@@ -45,6 +45,12 @@ if (NOT TARGET nlohmann_json)
   FetchContent_MakeAvailable(json)
 endif()
 
+# In a Python wheel build, we need to install libraries to different places.
+option(WHEEL_BUILD "Set up the build for a Python wheel." OFF)
+if (WHEEL_BUILD)
+  message(STATUS "Setting up for a Python wheel build.")
+endif()
+
 ##===----------------------------------------------------------------------===//
 ## Overall target to build everything.
 ##===----------------------------------------------------------------------===//
@@ -113,10 +119,17 @@ else()
   )
 endif()
 add_dependencies(ESIRuntime ESICppRuntime)
-install(TARGETS ESICppRuntime
-  DESTINATION lib
-  COMPONENT ESIRuntime
-)
+if (WHEEL_BUILD)
+  install(TARGETS ESICppRuntime
+    DESTINATION lib
+    COMPONENT ESIRuntime
+  )
+else()
+  install(TARGETS ESICppRuntime
+    DESTINATION python/esiaccel
+    COMPONENT ESIRuntime
+  )
+endif()
 install(FILES ${ESICppRuntimeHeaders}
   DESTINATION include/esi
   COMPONENT ESIRuntime-dev
@@ -165,11 +178,6 @@ add_dependencies(ESIRuntime esitester)
 ## Python bindings for the ESI runtime.
 ##===----------------------------------------------------------------------===//
 
-option(WHEEL_BUILD "Set up the build for a Python wheel." OFF)
-if (WHEEL_BUILD)
-  message(STATUS "Setting up for a Python wheel build.")
-endif()
-
 # Pybind11 is used to wrap the ESICppRuntime APIs.
 if(NOT DEFINED Python3_FOUND)
   find_package(Python3 COMPONENTS Interpreter Development)
@@ -284,7 +292,6 @@ else() # Python not found.
 endif()
 
 
-
 ##===----------------------------------------------------------------------===//
 ## Backends are loaded dynamically as plugins.
 ##===----------------------------------------------------------------------===//
@@ -331,6 +338,18 @@ if(ESI_COSIM)
 
   add_dependencies(ESIRuntime CosimBackend)
 
+  if (WHEEL_BUILD)
+    install(TARGETS CosimBackend
+      DESTINATION lib
+      COMPONENT ESIRuntime
+    )
+  else()
+    install(TARGETS CosimBackend
+      DESTINATION python/esiaccel
+      COMPONENT ESIRuntime
+    )
+  endif()
+
   # Build the RTL DPI cosim server.
   add_subdirectory(cosim_dpi_server)
 else()
@@ -365,6 +384,17 @@ if (XRT_PATH)
     -L${XRT_PATH}/lib
   )
   add_dependencies(ESIRuntime XrtBackend)
+  if (WHEEL_BUILD)
+    install(TARGETS XrtBackend
+      DESTINATION lib
+      COMPONENT ESIRuntime
+    )
+  else()
+    install(TARGETS XrtBackend
+      DESTINATION python/esiaccel
+      COMPONENT ESIRuntime
+    )
+  endif()
 endif()
 
 install(FILES ${ESICppRuntimeBackendHeaders}

lib/Dialect/ESI/runtime/cpp/lib/Accelerator.cpp

@@ -23,6 +23,8 @@
 
 #ifdef __linux__
 #include <dlfcn.h>
+#include <linux/limits.h>
+#include <unistd.h>
 #elif _WIN32
 // TODO: this.
 #endif

lib/Dialect/ESI/runtime/pyproject.toml

@@ -18,6 +18,9 @@ git_describe_command = "git describe --dirty --tags --long --match ESIRuntime*"
 [tool.cibuildwheel]
 build-frontend = "build"
 
+[tool.cibuildwheel.linux]
+repair-wheel-command = "auditwheel repair --exclude libMtiPli.so -w {dest_dir} {wheel}"
+
 [project]
 name = "esiaccel"
 dynamic = ["version"]

lib/Dialect/ESI/runtime/setup.py

@@ -111,9 +111,6 @@ class CMakeBuild(build_py):
         "--parallel",
         "--target",
         "ESIRuntime",
-        "esiquery",
-        "ESIPythonRuntime",
-        "EsiCosimDpiServer",
     ],
                           cwd=cmake_build_dir)