[PATCH] D61797: [crt] Use -std=c99 for crtbegin.o/crtend.o

[Petr Hosek via Phabricator via llvm-commits]

phosek created this revision.
phosek added a reviewer: thakis.
Herald added subscribers: llvm-commits, Sanitizers, mgorny.
Herald added projects: LLVM, Sanitizers.

The source uses C99 syntax such as comments and some compilers print
warnings without specifying this flag.


Repository:
  rCRT Compiler Runtime

https://reviews.llvm.org/D61797

Files:
  compiler-rt/lib/crt/CMakeLists.txt


Index: compiler-rt/lib/crt/CMakeLists.txt
===================================================================
--- compiler-rt/lib/crt/CMakeLists.txt
+++ compiler-rt/lib/crt/CMakeLists.txt
@@ -71,6 +71,7 @@
 check_cxx_section_exists(".init_array" COMPILER_RT_HAS_INITFINI_ARRAY
   SOURCE "__attribute__((constructor)) void f() {}\nint main() { return 0; }\n")
 
+set(CRT_CFLAGS -std=c99)
 append_list_if(COMPILER_RT_HAS_INITFINI_ARRAY -DCRT_HAS_INITFINI_ARRAY CRT_CFLAGS)
 append_list_if(COMPILER_RT_HAS_FPIC_FLAG -fPIC CRT_CFLAGS)
 append_list_if(COMPILER_RT_HAS_WNO_PEDANTIC -Wno-pedantic CRT_CFLAGS)


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