[Bug 254048] devel/llvm12: build fails with fatal error: 'unwind.h' file not found

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=254048

            Bug ID: 254048
           Summary: devel/llvm12: build fails with fatal error: 'unwind.h'
                    file not found
           Product: Ports & Packages
           Version: Latest
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: Individual Port(s)
          Assignee: brooks at FreeBSD.org
          Reporter: philippe.michel7 at free.fr
          Assignee: brooks at FreeBSD.org
             Flags: maintainer-feedback?(brooks at FreeBSD.org)

On 12.2-STABLE (stable/12-n307-f7007a7d0). Building llvm12 fails with :

FAILED:
projects/compiler-rt/lib/sanitizer_common/CMakeFiles/RTSanitizerCommonSymbolizerNoHooks.i386.dir/sanitizer_unwind_linux_libcdep.cpp.o 
...
/usr/ports/devel/llvm12/work/llvm-project-12.0.0rc2.src/compiler-rt/lib/sanitizer_common/sanitizer_unwind_linux_libcdep.cpp:26:10:
fatal error: 'unwind.h' file not found
#include <unwind.h>
         ^~~~~~~~~~
1 error generated.

OPTIONS_FILE_SET+=BE_AMDGPU
OPTIONS_FILE_SET+=CLANG
OPTIONS_FILE_SET+=COMPILER_RT
OPTIONS_FILE_UNSET+=DOCS
OPTIONS_FILE_SET+=EXTRAS
OPTIONS_FILE_UNSET+=GOLD
OPTIONS_FILE_UNSET+=LIT
OPTIONS_FILE_SET+=LLD
OPTIONS_FILE_UNSET+=LLDB
OPTIONS_FILE_SET+=LLD_LINK
OPTIONS_FILE_UNSET+=OPENMP
OPTIONS_FILE_UNSET+=PYCLANG
OPTIONS_FILE_UNSET+=BE_FREEBSD
OPTIONS_FILE_SET+=BE_NATIVE
OPTIONS_FILE_UNSET+=BE_STANDARD

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