From 54a71f270a671d2b31c493c98f27a49fe217a6f1 Mon Sep 17 00:00:00 2001
From: Cheng <git@zcbenz.com>
Date: Fri, 23 May 2025 22:14:58 +0900
Subject: [PATCH] Remove unused defines (#2217)

---
 CMakeLists.txt                  | 3 +++
 mlx/backend/cuda/CMakeLists.txt | 2 --
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index ab8aea443..4bf8d2d3e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -231,6 +231,9 @@ target_include_directories(
   mlx PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}>
              $<INSTALL_INTERFACE:include>)
 
+# Do not add mlx_EXPORTS define for shared library.
+set_target_properties(mlx PROPERTIES DEFINE_SYMBOL "")
+
 FetchContent_Declare(
   fmt
   GIT_REPOSITORY https://github.com/fmtlib/fmt.git
diff --git a/mlx/backend/cuda/CMakeLists.txt b/mlx/backend/cuda/CMakeLists.txt
index d62a69846..7ebe68324 100644
--- a/mlx/backend/cuda/CMakeLists.txt
+++ b/mlx/backend/cuda/CMakeLists.txt
@@ -16,8 +16,6 @@ target_sources(
           ${CMAKE_CURRENT_SOURCE_DIR}/utils.cpp
           ${CMAKE_CURRENT_SOURCE_DIR}/worker.cpp)
 
-target_compile_definitions(mlx PUBLIC MLX_USE_CUDA)
-
 # Enable defining device lambda functions.
 target_compile_options(mlx
                        PRIVATE "$<$<COMPILE_LANGUAGE:CUDA>:--extended-lambda>")