[PATCH] D46152: [CMake] Make simple source used for CMake checks a C file

[Petr Hosek via Phabricator via llvm-commits]

phosek created this revision.
phosek added reviewers: vitalybuka, mcgrathr, beanz.
Herald added subscribers: Sanitizers, llvm-commits, mgorny.

The source being compiled is plain C, but using .cc extension forces it
to be compiled as C++ which requires a working C++ compiler including
C++ library which may not be the case when we're building compiler-rt
together with libcxx as part of runtimes build.


Repository:
  rCRT Compiler Runtime

https://reviews.llvm.org/D46152

Files:
  compiler-rt/cmake/config-ix.cmake


Index: compiler-rt/cmake/config-ix.cmake
===================================================================
--- compiler-rt/cmake/config-ix.cmake
+++ compiler-rt/cmake/config-ix.cmake
@@ -125,7 +125,7 @@
 # platform. We use the results of these tests to build only the various target
 # runtime libraries supported by our current compilers cross-compiling
 # abilities.
-set(SIMPLE_SOURCE ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/simple.cc)
+set(SIMPLE_SOURCE ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/simple.c)
 file(WRITE ${SIMPLE_SOURCE} "#include <stdlib.h>\n#include <stdio.h>\nint main() { printf(\"hello, world\"); }\n")
 
 # Detect whether the current target platform is 32-bit or 64-bit, and setup


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