[polly] Dynamic libraries are not supported on Cygwin

Cygwin shares the same limitations as traditional Windows executables for dynamic library loading, so disable building the dynamic library on Cygwin targets. Differential Revision: https://reviews.llvm.org/D155796
alexbatashev · Sep 5, 2023 · 17f747b · 17f747b
1 parent efec733
commit 17f747b
Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/polly/cmake/CMakeLists.txt b/polly/cmake/CMakeLists.txt
@@ -23,7 +23,7 @@ else()
 endif()
 
 set(POLLY_CONFIG_EXPORTED_TARGETS Polly ${ISL_TARGET})
-if (NOT WIN32 AND LLVM_ENABLE_PIC)
+if (NOT (WIN32 OR CYGWIN) AND LLVM_ENABLE_PIC)
   # LLVMPolly is a dummy target on Win or if PIC code is disabled.
   list(APPEND POLLY_CONFIG_EXPORTED_TARGETS LLVMPolly)
 endif()

diff --git a/polly/lib/CMakeLists.txt b/polly/lib/CMakeLists.txt
@@ -115,7 +115,7 @@ target_link_libraries(Polly PUBLIC
 
 # Create a loadable module Polly.so that can be loaded using
 # LLVM's/clang's "-load" option.
-if (WIN32 OR NOT LLVM_ENABLE_PIC)
+if (WIN32 OR CYGWIN OR NOT LLVM_ENABLE_PIC)
   # Add dummy target, either because loadable modules are not supported
   # as on Windows or because PIC code has been disabled
   add_custom_target(LLVMPolly)