[llvm] [bazel] Fix modules build for llvm-libc (speculative) (PR #143995)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-libc

Author: Reid Kleckner (rnk)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/143995.diff


2 Files Affected:

- (modified) utils/bazel/llvm-project-overlay/libc/BUILD.bazel (+7) 
- (modified) utils/bazel/llvm-project-overlay/libc/test/UnitTest/BUILD.bazel (+1) 


``````````diff
diff --git a/utils/bazel/llvm-project-overlay/libc/BUILD.bazel b/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
index 0cedad2859247..84a6b7d230442 100644
--- a/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
@@ -1619,6 +1619,10 @@ libc_header_library(
 libc_support_library(
     name = "__support_libc_errno",
     hdrs = ["src/__support/libc_errno.h"],
+    deps = [
+        ":__support_macros_config",
+        ":hdr_errno_macros",
+    ],
 )
 
 libc_support_library(
@@ -1981,6 +1985,9 @@ libc_support_library(
 libc_support_library(
     name = "__support_math_exp_float_constants",
     hdrs = ["src/__support/math/exp_float_constants.h"],
+    deps = [
+        ":__support_macros_config",
+    ],
 )
 
 libc_support_library(
diff --git a/utils/bazel/llvm-project-overlay/libc/test/UnitTest/BUILD.bazel b/utils/bazel/llvm-project-overlay/libc/test/UnitTest/BUILD.bazel
index b37ec19330236..2354337da2dc5 100644
--- a/utils/bazel/llvm-project-overlay/libc/test/UnitTest/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/libc/test/UnitTest/BUILD.bazel
@@ -58,6 +58,7 @@ libc_test_library(
         "//libc:__support_fputil_fp_bits",
         "//libc:__support_fputil_fpbits_str",
         "//libc:__support_fputil_rounding_mode",
+        "//libc:__support_libc_errno",
         "//libc:__support_macros_config",
         "//libc:__support_macros_properties_architectures",
         "//libc:__support_macros_properties_types",

``````````

</details>


https://github.com/llvm/llvm-project/pull/143995