only link with m on linux and disable fast link on win when cuda is used to avoid warnings for now (there may be a more elegant way later on)

Author: galabovaa

CMakeLists.txt

@@ -401,13 +401,16 @@ endif()
 add_compile_options("$<$<AND:$<CONFIG:Debug,RelWithDebInfo>,$<COMPILE_LANGUAGE:CUDA>>:-G>")
 # add_compile_options("$<$<COMPILE_LANGUAGE:CUDA>:-G>")
 
-if (CUPDLP_GPU)
-add_compile_options("-Wno-deprecated-declarations")
+if (CUPDLP_GPU AND UNIX)
+  add_compile_options("-Wno-deprecated-declarations")
 endif()
 # add_compile_options("-Wno-implicit-function-declaration")
 
 # set(CMAKE_C_FLAGS "-Wno-deprecated-declarations")
-set(CMAKE_C_FLAGS "-Wno-implicit-function-declaration")
+if (UNIX)
+  set(CMAKE_C_FLAGS "-Wno-implicit-function-declaration")
+endif()
+
 
 
 # If Visual Studio targets are being built.
@@ -424,7 +427,10 @@ if(MSVC)
   # add_link_options("/DEBUG:FASTLINK")
 
   add_compile_options("$<$<COMPILE_LANGUAGE:C,CXX>:/Z7>")
-  add_compile_options("$<$<COMPILE_LANGUAGE:C,CXX>:/DEBUG:FASTLINK>")
+
+  if (NOT CUPDLP_GPU)
+    add_compile_options("$<$<COMPILE_LANGUAGE:C,CXX>:/DEBUG:FASTLINK>")
+  endif()
 
   if(STDCALL)
     # /Gz - stdcall calling convention

src/CMakeLists.txt

@@ -201,7 +201,13 @@ else()
     set(CUPDLP_INCLUDE_DIR "${PROJECT_SOURCE_DIR}/src/pdlp/cupdlp/")
 
     add_subdirectory(pdlp/cupdlp/cuda)
-    target_link_libraries(highs cudalin ${CUDA_LIBRARY} m)
+
+    if (WIN32)
+      target_link_libraries(highs cudalin ${CUDA_LIBRARY})
+    else()
+      target_link_libraries(highs cudalin ${CUDA_LIBRARY} m)
+    endif()
+    
     set_target_properties(highs PROPERTIES CUDA_SEPARABLE_COMPILATION ON)
 
   endif()

src/pdlp/cupdlp/cuda/CMakeLists.txt

@@ -28,7 +28,11 @@ target_compile_definitions(cudalin
         $<$<CONFIG:Debug>:CUPDLP_DEBUG>
 )
 
-target_link_libraries(cudalin ${CUDA_LIBRARY} m)
+    if (WIN32)
+      target_link_libraries(cudalin ${CUDA_LIBRARY})
+    else()
+      target_link_libraries(cudalin ${CUDA_LIBRARY} m)
+    endif()
 
 # add a test
 add_executable(testcudalin test_cuda_linalg.c)