[compiler-rt] d2b63ed - Revert "Revert "[compiler-rt] Allow building builtins.a without a libc (#86737)""
Jon Chesterfield via llvm-commits
llvm-commits at lists.llvm.org
Sun Mar 31 11:49:31 PDT 2024
Author: Jon Chesterfield
Date: 2024-03-31T19:49:02+01:00
New Revision: d2b63ed0ca5c7eb3f8fc029e3a5705cf0ddab438
URL: https://github.com/llvm/llvm-project/commit/d2b63ed0ca5c7eb3f8fc029e3a5705cf0ddab438
DIFF: https://github.com/llvm/llvm-project/commit/d2b63ed0ca5c7eb3f8fc029e3a5705cf0ddab438.diff
LOG: Revert "Revert "[compiler-rt] Allow building builtins.a without a libc (#86737)""
This reverts commit a2982a29fdfcfe2904754815c85f630a4dc6d88c.
Buildbot failure that motivated the revert looks unrelated.
Added:
Modified:
compiler-rt/cmake/config-ix.cmake
Removed:
################################################################################
diff --git a/compiler-rt/cmake/config-ix.cmake b/compiler-rt/cmake/config-ix.cmake
index 46a6fdf8728ff8..911f48fa13816c 100644
--- a/compiler-rt/cmake/config-ix.cmake
+++ b/compiler-rt/cmake/config-ix.cmake
@@ -235,9 +235,9 @@ set(COMPILER_RT_SUPPORTED_ARCH)
# Try to compile a very simple source file to ensure we can target the given
# platform. We use the results of these tests to build only the various target
# runtime libraries supported by our current compilers cross-compiling
-# abilities.
+# abilities. Avoids using libc as that may not be available yet.
set(SIMPLE_SOURCE ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/simple.cc)
-file(WRITE ${SIMPLE_SOURCE} "#include <stdlib.h>\n#include <stdio.h>\nint main(void) { printf(\"hello, world\"); }\n")
+file(WRITE ${SIMPLE_SOURCE} "int main(void) { return 0; }\n")
# Detect whether the current target platform is 32-bit or 64-bit, and setup
# the correct commandline flags needed to attempt to target 32-bit and 64-bit.
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