[bazel] Port d4ef4b8

Author: d0k

utils/bazel/llvm-project-overlay/libc/BUILD.bazel

@@ -87,6 +87,8 @@ libc_support_library(
         ":__support_macros_properties_compiler",
         ":__support_macros_properties_cpu_features",
         ":__support_macros_properties_os",
+        ":llvm_libc_macros_float_macros",
+        ":llvm_libc_types_float128",
     ],
 )
 
@@ -962,6 +964,17 @@ libc_support_library(
     hdrs = ["include/llvm-libc-macros/limits-macros.h"],
 )
 
+libc_support_library(
+    name = "llvm_libc_macros_float_macros",
+    hdrs = ["include/llvm-libc-macros/float-macros.h"],
+)
+
+libc_support_library(
+    name = "llvm_libc_types_float128",
+    hdrs = ["include/llvm-libc-types/float128.h"],
+    deps = [":llvm_libc_macros_float_macros"],
+)
+
 ############################### errno targets ################################
 
 libc_function(