[libc-commits] [libc] Reland "[libc] Add realpath to linux entrypoints" (#212925) (PR #216869)

[Jackson Stogel via libc-commits]

https://github.com/jtstogel created https://github.com/llvm/llvm-project/pull/216869

This relands https://github.com/llvm/llvm-project/pull/212925 by reverting commit efe96c53557041be11e7fb4d43e6448cc09f6062.

CI failures w/ `libc-riscv32-qemu-yocto-fullbuild-dbg` should have been fixed by https://github.com/llvm/llvm-project/pull/216828.

>From 21e4b31f3162e2a01589ebc3f673f8bfc4c44ed6 Mon Sep 17 00:00:00 2001
From: jtstogel <jtstogel at gmail.com>
Date: Mon, 17 Aug 2026 15:51:16 -0700
Subject: [PATCH] Reland "[libc] Add realpath to linux entrypoints" (#215156)

This reverts commit efe96c53557041be11e7fb4d43e6448cc09f6062.

CI failures w/ `libc-riscv32-qemu-yocto-fullbuild-dbg` should have been fixed by https://github.com/llvm/llvm-project/pull/216828#event-29585707406.
---
 libc/config/linux/aarch64/entrypoints.txt | 1 +
 libc/config/linux/riscv/entrypoints.txt   | 5 +----
 libc/config/linux/x86_64/entrypoints.txt  | 5 +----
 3 files changed, 3 insertions(+), 8 deletions(-)

diff --git a/libc/config/linux/aarch64/entrypoints.txt b/libc/config/linux/aarch64/entrypoints.txt
index 071a7830b43d3..9c9c5fb1d10b5 100644
--- a/libc/config/linux/aarch64/entrypoints.txt
+++ b/libc/config/linux/aarch64/entrypoints.txt
@@ -217,6 +217,7 @@ set(TARGET_LIBC_ENTRYPOINTS
     libc.src.stdlib.qsort
     libc.src.stdlib.qsort_r
     libc.src.stdlib.rand
+    libc.src.stdlib.realpath
     libc.src.stdlib.srand
     libc.src.stdlib.strfromd
     libc.src.stdlib.strfromf
diff --git a/libc/config/linux/riscv/entrypoints.txt b/libc/config/linux/riscv/entrypoints.txt
index 66dd9dd790737..c3feab0a82209 100644
--- a/libc/config/linux/riscv/entrypoints.txt
+++ b/libc/config/linux/riscv/entrypoints.txt
@@ -241,6 +241,7 @@ set(TARGET_LIBC_ENTRYPOINTS
     libc.src.stdlib.qsort
     libc.src.stdlib.qsort_r
     libc.src.stdlib.rand
+    libc.src.stdlib.realpath
     libc.src.stdlib.srand
     libc.src.stdlib.strfromd
     libc.src.stdlib.strfromf
@@ -1579,10 +1580,6 @@ if(LLVM_LIBC_FULL_BUILD)
 endif()
 
 if(LLVM_LIBC_ENABLE_EXPERIMENTAL_ENTRYPOINTS)
-  list(APPEND TARGET_LIBC_ENTRYPOINTS
-    libc.src.stdlib.realpath
-  )
-
   if(LLVM_LIBC_FULL_BUILD)
     list(APPEND TARGET_LIBC_ENTRYPOINTS
       # net/if.h entrypoints
diff --git a/libc/config/linux/x86_64/entrypoints.txt b/libc/config/linux/x86_64/entrypoints.txt
index 6045886c2f11c..c13c495111200 100644
--- a/libc/config/linux/x86_64/entrypoints.txt
+++ b/libc/config/linux/x86_64/entrypoints.txt
@@ -241,6 +241,7 @@ set(TARGET_LIBC_ENTRYPOINTS
     libc.src.stdlib.qsort
     libc.src.stdlib.qsort_r
     libc.src.stdlib.rand
+    libc.src.stdlib.realpath
     libc.src.stdlib.srand
     libc.src.stdlib.strfromd
     libc.src.stdlib.strfromf
@@ -1588,10 +1589,6 @@ if(LLVM_LIBC_FULL_BUILD)
 endif()
 
 if(LLVM_LIBC_ENABLE_EXPERIMENTAL_ENTRYPOINTS)
-  list(APPEND TARGET_LIBC_ENTRYPOINTS
-    libc.src.stdlib.realpath
-  )
-
   if(LLVM_LIBC_FULL_BUILD)
     list(APPEND TARGET_LIBC_ENTRYPOINTS
       # net/if.h entrypoints