Add additional compiler flags for tvOS (#51241)

We had those in the original mono/mono build.

Author: akoeplinger

src/libraries/Native/Unix/CMakeLists.txt

@@ -91,6 +91,7 @@ if(CLR_CMAKE_TARGET_MACCATALYST)
 endif()
 
 if(CLR_CMAKE_TARGET_TVOS)
+    # with -fembed-bitcode passing -headerpad_max_install_names is not allowed so remove it from the CMake flags
     string(REPLACE "-Wl,-headerpad_max_install_names" "" CMAKE_C_LINK_FLAGS ${CMAKE_C_LINK_FLAGS})
     string(REPLACE "-Wl,-headerpad_max_install_names" "" CMAKE_CXX_LINK_FLAGS ${CMAKE_CXX_LINK_FLAGS})
     string(REPLACE "-Wl,-headerpad_max_install_names" "" CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS ${CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS})

src/mono/CMakeLists.txt

@@ -188,6 +188,7 @@ elseif(CMAKE_SYSTEM_NAME STREQUAL "iOS" OR CMAKE_SYSTEM_NAME STREQUAL "tvOS")
   set(HOST_IOS 1)
   if(CMAKE_SYSTEM_NAME STREQUAL "tvOS")
     set(HOST_TVOS 1)
+    # with -fembed-bitcode passing -headerpad_max_install_names is not allowed so remove it from the CMake flags
     string(REPLACE "-Wl,-headerpad_max_install_names" "" CMAKE_C_LINK_FLAGS ${CMAKE_C_LINK_FLAGS})
     string(REPLACE "-Wl,-headerpad_max_install_names" "" CMAKE_CXX_LINK_FLAGS ${CMAKE_CXX_LINK_FLAGS})
     string(REPLACE "-Wl,-headerpad_max_install_names" "" CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS ${CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS})

src/mono/mono.proj

@@ -316,22 +316,25 @@
       <_MonoCFLAGS Include="-I$(PkgMicrosoft_NETCore_Runtime_ICU_Transport)/runtimes/$(TargetOS)-$(TargetArchitecture)/native/include" />
       <_MonoCXXFLAGS Include="-Wl,-application_extension" />
     </ItemGroup>
-    <!-- iOS simulator specific options -->
-    <ItemGroup Condition="'$(TargetsiOS)' == 'true' and '$(TargetsiOSSimulator)' == 'true'">
+    <!-- iOS/tvOS simulator specific options -->
+    <ItemGroup Condition="('$(TargetsiOS)' == 'true' and '$(TargetsiOSSimulator)' == 'true') or ('$(TargetstvOS)' == 'true' and '$(TargetstvOSSimulator)' == 'true')">
       <_MonoCMakeArgs Include="-DENABLE_MINIMAL=shared_perfcounters"/>
     </ItemGroup>
-    <!-- iOS device specific options -->
-    <ItemGroup Condition="'$(TargetsiOS)' == 'true' and '$(TargetsiOSSimulator)' != 'true'">
+    <!-- iOS/tvOS device specific options -->
+    <ItemGroup Condition="('$(TargetsiOS)' == 'true' and '$(TargetsiOSSimulator)' != 'true') or ('$(TargetstvOS)' == 'true' and '$(TargetstvOSSimulator)' != 'true')">
       <_MonoCMakeArgs Include="-DENABLE_MINIMAL=jit,portability,logging,shared_perfcounters" />
       <_MonoCMakeArgs Include="-DENABLE_VISIBILITY_HIDDEN=1"/>
       <_MonoCMakeArgs Include="-DENABLE_LAZY_GC_THREAD_CREATION=1"/>
       <_MonoCMakeArgs Include="-DENABLE_SIGALTSTACK=0"/>
       <_MonoCFLAGS Include="-Werror=partial-availability" />
+      <_MonoCFLAGS Condition="'$(TargetstvOS)' == 'true'" Include="-fno-gnu-inline-asm" />
       <_MonoCFLAGS Include="-fexceptions" />
       <_MonoCPPFLAGS Include="-DSMALL_CONFIG" />
       <_MonoCPPFLAGS Include="-D_XOPEN_SOURCE" />
       <_MonoCPPFLAGS Include="-DHAVE_LARGE_FILE_SUPPORT=1" />
       <_MonoCXXFLAGS Include="-Werror=partial-availability" />
+      <_MonoCXXFLAGS Condition="'$(TargetstvOS)' == 'true'" Include="-fno-gnu-inline-asm" />
+      <_MonoCXXFLAGS Include="-fexceptions" />
     </ItemGroup>
     <!-- Android specific options -->
     <PropertyGroup Condition="'$(TargetsAndroid)' == 'true'">