From fc86c7fca313655c834066bde6b7d2b0402f580f Mon Sep 17 00:00:00 2001 From: Petr Hosek Date: Fri, 10 May 2019 19:23:56 +0000 Subject: [PATCH] [crt] Use -std=c11 for crtbegin.o/crtend.o The source uses C11 syntax such as comments and some compilers print warnings without specifying this flag. Differential Revision: https://reviews.llvm.org/D61797 llvm-svn: 360459 --- compiler-rt/cmake/config-ix.cmake | 1 + compiler-rt/lib/crt/CMakeLists.txt | 1 + 2 files changed, 2 insertions(+) diff --git a/compiler-rt/cmake/config-ix.cmake b/compiler-rt/cmake/config-ix.cmake index ca979d9..f8e34ad 100644 --- a/compiler-rt/cmake/config-ix.cmake +++ b/compiler-rt/cmake/config-ix.cmake @@ -54,6 +54,7 @@ endif () # CodeGen options. check_c_compiler_flag(-ffreestanding COMPILER_RT_HAS_FFREESTANDING_FLAG) +check_c_compiler_flag(-std=c11 COMPILER_RT_HAS_STD_C11_FLAG) check_cxx_compiler_flag(-fPIC COMPILER_RT_HAS_FPIC_FLAG) check_cxx_compiler_flag(-fPIE COMPILER_RT_HAS_FPIE_FLAG) check_cxx_compiler_flag(-fno-builtin COMPILER_RT_HAS_FNO_BUILTIN_FLAG) diff --git a/compiler-rt/lib/crt/CMakeLists.txt b/compiler-rt/lib/crt/CMakeLists.txt index a82ae75..790387b 100644 --- a/compiler-rt/lib/crt/CMakeLists.txt +++ b/compiler-rt/lib/crt/CMakeLists.txt @@ -71,6 +71,7 @@ endfunction() check_cxx_section_exists(".init_array" COMPILER_RT_HAS_INITFINI_ARRAY SOURCE "__attribute__((constructor)) void f() {}\nint main() { return 0; }\n") +append_list_if(COMPILER_RT_HAS_STD_C11_FLAG -std=c11 CRT_CFLAGS) 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) -- 2.7.4