[libc] Redo the install targets

libc/CMakeLists.txt

@@ -348,19 +348,6 @@ foreach(entrypoint IN LISTS TARGET_LLVMLIBC_ENTRYPOINTS)
   list(APPEND TARGET_ENTRYPOINT_NAME_LIST ${entrypoint_name})
 endforeach()
 
-set(LIBC_INSTALL_DEPENDS)
-if(LLVM_LIBC_FULL_BUILD)
-  set(LIBC_INSTALL_DEPENDS "install-libc-static-archives;install-libc-headers")
-  if(NOT LIBC_TARGET_OS_IS_BAREMETAL)
-    # For now we will disable libc-startup installation for baremetal. The
-    # correct way to do it would be to make a hookable startup for baremetal
-    # and install it as part of the libc installation.
-    list(APPEND LIBC_INSTALL_DEPENDS "libc-startup")
-  endif()
-else()
-  set(LIBC_INSTALL_DEPENDS install-libc-static-archives)
-endif()
-
 add_subdirectory(include)
 add_subdirectory(config)
 add_subdirectory(src)
@@ -388,18 +375,3 @@ endif()
 if (LIBC_INCLUDE_DOCS)
   add_subdirectory(docs)
 endif()
-
-
-if(LLVM_LIBC_FULL_BUILD)
-  add_llvm_install_targets(
-    install-libc-headers
-    DEPENDS libc-headers
-    COMPONENT libc-headers
-  )
-endif()
-
-add_llvm_install_targets(
-  install-libc
-  DEPENDS ${LIBC_INSTALL_DEPENDS}
-  COMPONENT libc
-)

libc/include/CMakeLists.txt

@@ -606,3 +606,13 @@ foreach(target IN LISTS all_install_header_targets)
             COMPONENT libc-headers)
   endif()
 endforeach()
+
+if(LLVM_LIBC_FULL_BUILD)
+  add_custom_target(install-libc-headers
+                    DEPENDS libc-headers
+                    COMMAND "${CMAKE_COMMAND}"
+                            -DCMAKE_INSTALL_COMPONENT=libc-headers
+                            -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
+  # Stripping is a no-op for headers
+  add_custom_target(install-libc-headers-stripped DEPENDS install-libc-headers)
+endif()

libc/lib/CMakeLists.txt

@@ -33,6 +33,9 @@ foreach(archive IN ZIP_LISTS
     PROPERTIES
       ARCHIVE_OUTPUT_NAME ${archive_0}
   )
+  if(LLVM_LIBC_FULL_BUILD)
+    target_link_libraries(${archive_1} PUBLIC libc-headers)
+  endif()
   list(APPEND added_archive_targets ${archive_1})
 endforeach()
 
@@ -48,11 +51,32 @@ endif()
 install(
   TARGETS ${added_archive_targets}
   ARCHIVE DESTINATION ${LIBC_INSTALL_LIBRARY_DIR}
-  COMPONENT libc-static-archives
+  COMPONENT libc
 )
 
-add_llvm_install_targets(
-  install-libc-static-archives
-  DEPENDS ${added_archive_targets}
-  COMPONENT libc-static-archives
-)
+if(NOT LIBC_TARGET_OS_IS_BAREMETAL)
+  # For now we will disable libc-startup installation for baremetal. The
+  # correct way to do it would be to make a hookable startup for baremetal
+  # and install it as part of the libc installation.
+  set(startup_target "libc-startup")
+endif()
+
+if(LLVM_LIBC_FULL_BUILD)
+  set(header_install_target install-libc-headers)
+endif()
+
+add_custom_target(install-libc
+                  DEPENDS ${added_archive_targets}
+                          ${startup_target}
+                          ${header_install_target}
+                  COMMAND "${CMAKE_COMMAND}"
+                          -DCMAKE_INSTALL_COMPONENT=libc
+                          -P "${LIBCXX_BINARY_DIR}/cmake_install.cmake")
+add_custom_target(install-libc-stripped
+                  DEPENDS ${added_archive_targets}
+                          ${startup_target}
+                          ${header_install_target}
+                  COMMAND "${CMAKE_COMMAND}"
+                          -DCMAKE_INSTALL_COMPONENT=libc
+                          -DCMAKE_INSTALL_DO_STRIP=1
+                          -P "${LIBCXX_BINARY_DIR}/cmake_install.cmake")

libc/utils/gpu/server/CMakeLists.txt

@@ -14,7 +14,7 @@ target_compile_definitions(llvmlibc_rpc_server PUBLIC
 # Install the server and associated header.
 install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/rpc_server.h
         DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/gpu-none-llvm/
-        COMPONENT libc)
+        COMPONENT libc-headers)
 install(TARGETS llvmlibc_rpc_server
         ARCHIVE DESTINATION "lib${LLVM_LIBDIR_SUFFIX}"
         COMPONENT libc)