Fix Alpine Linux mono build and coreclr pgo support (#90251)

#86804 renamed `CLR_CMAKE_HOST_ALPINE_LINUX` to `CLR_CMAKE_TARGET_LINUX_MUSL`. This PR applies the name change to missing files, fixing build of mono-based runtime and coreclr pgosupport on Alpine Linux.

Co-authored-by: Alexander Köplinger <[email protected]>

src/coreclr/pgosupport.cmake

@@ -25,13 +25,13 @@ function(add_pgo TargetName)
                 target_compile_options(${TargetName} PRIVATE -flto -fprofile-instr-generate)
                 set_property(TARGET ${TargetName} APPEND_STRING PROPERTY LINK_FLAGS " -flto -fprofile-instr-generate")
                 if(CMAKE_CROSSCOMPILING AND CMAKE_C_COMPILER_ID MATCHES "Clang")
-                    if (CLR_CMAKE_HOST_ALPINE_LINUX)
+                    if (CLR_CMAKE_TARGET_LINUX_MUSL)
                         set_property(TARGET ${TargetName} APPEND_STRING PROPERTY LINK_FLAGS " -resource-dir ${CMAKE_SYSROOT}/usr/lib/clang/${CMAKE_C_COMPILER_VERSION}")
-                    else(CLR_CMAKE_HOST_ALPINE_LINUX)
+                    else(CLR_CMAKE_TARGET_LINUX_MUSL)
                         string(REPLACE "." ";" CLANG_VERSION "${CMAKE_C_COMPILER_VERSION}")
                         list(POP_FRONT CLANG_VERSION CLANG_VERSION_MAJOR)
                         set_property(TARGET ${TargetName} APPEND_STRING PROPERTY LINK_FLAGS " -resource-dir ${CMAKE_SYSROOT}/usr/lib/llvm-${CLANG_VERSION_MAJOR}/lib/clang/${CMAKE_C_COMPILER_VERSION}")
-                    endif(CLR_CMAKE_HOST_ALPINE_LINUX)
+                    endif(CLR_CMAKE_TARGET_LINUX_MUSL)
                 endif(CMAKE_CROSSCOMPILING AND CMAKE_C_COMPILER_ID MATCHES "Clang")
                 if(NOT LD_LLVM)
                     set_property(TARGET ${TargetName} APPEND_STRING PROPERTY LINK_FLAGS " -fuse-ld=gold")

src/mono/CMakeLists.txt

@@ -950,10 +950,10 @@ set(FULL_VERSION ${product_version_string})
 # OS SPECIFIC CHECKS
 ######################################
 
-if(CLR_CMAKE_HOST_ALPINE_LINUX)
-  # Setting RLIMIT_NOFILE breaks debugging of coreclr on Alpine Linux for some reason
+if(CLR_CMAKE_TARGET_LINUX_MUSL)
+  # Setting RLIMIT_NOFILE breaks debugging of coreclr on musl-libc for some reason
   add_definitions(-DDONT_SET_RLIMIT_NOFILE)
-  # On Alpine Linux, we need to ensure that the reported stack range for the primary thread is
+  # On musl-libc, we need to ensure that the reported stack range for the primary thread is
   # larger than the initial committed stack size.
   add_definitions(-DENSURE_PRIMARY_STACK_SIZE)
 endif()

src/mono/mono/mini/CMakeLists.txt

@@ -404,10 +404,10 @@ if(NOT DISABLE_SHARED_LIBS)
     add_library(monosgen-shared SHARED $<TARGET_OBJECTS:monosgen-objects>)
   endif()
   target_compile_definitions(monosgen-shared PRIVATE -DMONO_DLL_EXPORT)
-  # Alpine Linux implements ucontext in a different library
-  if(CLR_CMAKE_HOST_ALPINE_LINUX AND TARGET_S390X)
+  # musl-libc implements ucontext in a different library on s390x
+  if(CLR_CMAKE_TARGET_LINUX_MUSL AND TARGET_S390X)
     target_link_libraries(monosgen-shared PRIVATE ucontext)
-  endif(CLR_CMAKE_HOST_ALPINE_LINUX AND TARGET_S390X)
+  endif(CLR_CMAKE_TARGET_LINUX_MUSL AND TARGET_S390X)
   set_target_properties(monosgen-shared PROPERTIES OUTPUT_NAME ${MONO_SHARED_LIB_NAME})
   if(MONO_SET_RPATH_ORIGIN)
     set_target_properties(monosgen-shared PROPERTIES INSTALL_RPATH "$ORIGIN")
@@ -610,10 +610,10 @@ if(NOT DISABLE_EXECUTABLES)
     target_link_libraries(mono-sgen PRIVATE icu_shim_objects)
   endif()
   target_link_libraries(mono-sgen PRIVATE ${OS_LIBS} ${LLVM_LIBS} ${ICU_LIBS} ${Z_LIBS})
-  # Alpine Linux implements ucontext in a different library
-  if(CLR_CMAKE_HOST_ALPINE_LINUX AND TARGET_S390X)
+  # musl-libc implements ucontext in a different library on s390x
+  if(CLR_CMAKE_TARGET_LINUX_MUSL AND TARGET_S390X)
     target_link_libraries(mono-sgen PRIVATE ucontext)
-  endif(CLR_CMAKE_HOST_ALPINE_LINUX AND TARGET_S390X)
+  endif(CLR_CMAKE_TARGET_LINUX_MUSL AND TARGET_S390X)
   if(NOT DISABLE_COMPONENTS AND STATIC_COMPONENTS AND NOT DISABLE_LINK_STATIC_COMPONENTS)
     # if components are built statically, link them into runtime.
     target_sources(mono-sgen PRIVATE "${mono-components-objects}")