Older versions of GCC emit empty .constructor/.destructor sections whenever building for C++. In fact, these sections are only used for kernel mode code - so don't emit them unless that's what we're building.
tested on x86_64-darwin16, powerpc-darwin9, applied to mainline thanks Iain gcc/ChangeLog: 2019-10-12 Iain Sandoe <i...@sandoe.co.uk> * config/darwin.c (darwin_file_end): Only emit empty CTOR/DTOR sections when building kernel extension code. diff --git a/gcc/config/darwin.c b/gcc/config/darwin.c index 539ef759d3..ddce9f8c8b 100644 --- a/gcc/config/darwin.c +++ b/gcc/config/darwin.c @@ -2931,8 +2931,9 @@ darwin_file_end (void) } machopic_finish (asm_out_file); - if (lang_GNU_CXX ()) + if (flag_apple_kext) { + /* These sections are only used for kernel code. */ switch_to_section (darwin_sections[constructor_section]); switch_to_section (darwin_sections[destructor_section]); ASM_OUTPUT_ALIGN (asm_out_file, 1);