[compiler-rt] f87109f - [compiler-rt] allow building with uefi (#131499)

[via llvm-commits]

Author: Tristan Ross
Date: 2025-04-20T14:23:53-07:00
New Revision: f87109f018faad5f3f1bf8a4668754c24e84e886

URL: https://github.com/llvm/llvm-project/commit/f87109f018faad5f3f1bf8a4668754c24e84e886
DIFF: https://github.com/llvm/llvm-project/commit/f87109f018faad5f3f1bf8a4668754c24e84e886.diff

LOG: [compiler-rt] allow building with uefi (#131499)

I'm trying to put together an LLVM built toolchain (including LLVM libc)
targeting UEFI, currently I get an error saying "Unknown target". This
PR enables compiling compiler-rt for UEFI.

Added: 
    

Modified: 
    compiler-rt/lib/builtins/int_lib.h

Removed: 
    


################################################################################
diff  --git a/compiler-rt/lib/builtins/int_lib.h b/compiler-rt/lib/builtins/int_lib.h
index f6c1b7cff4b99..943430de259d8 100644
--- a/compiler-rt/lib/builtins/int_lib.h
+++ b/compiler-rt/lib/builtins/int_lib.h
@@ -49,7 +49,7 @@
 #define SYMBOL_NAME(name) XSTR(__USER_LABEL_PREFIX__) #name
 
 #if defined(__ELF__) || defined(__MINGW32__) || defined(__wasm__) ||           \
-    defined(_AIX)    || defined(__CYGWIN__)
+    defined(_AIX) || defined(__CYGWIN__)
 #define COMPILER_RT_ALIAS(name, aliasname) \
   COMPILER_RT_ABI __typeof(name) aliasname __attribute__((__alias__(#name)));
 #elif defined(__APPLE__)
@@ -64,7 +64,7 @@
   COMPILER_RT_ALIAS_VISIBILITY(aliasname) \
   __asm__(SYMBOL_NAME(aliasname) " = " SYMBOL_NAME(name)); \
   COMPILER_RT_ABI __typeof(name) aliasname;
-#elif defined(_WIN32)
+#elif defined(_WIN32) || defined(__UEFI__)
 #define COMPILER_RT_ALIAS(name, aliasname)
 #else
 #error Unsupported target