[llvm-dev] compiler-rt fails to find <stdarg.h> on FreeBSD

[Sean Silva via llvm-dev]

Clang provides stdarg.h as part of its builtin headers. Maybe that is what
compiler-rt is expecting to find and somehow clang is not finding its
builtin headers?

-- Sean Silva

On Tue, Dec 8, 2015 at 1:16 PM, Sean Bruno via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> I'm unsure why this is failing this week, but when I build for FreeBSD
> HEAD, I now get a failure to find <stdarg.h>.  Very strange.  Maybe its
> missing a -I /usr/include somewhere?
>
>
> [1950/2811] Building CXX object
>
> projects/compiler-rt/lib/tsan/CMakeFiles/clang_rt.tsan-x86_64.dir/rtl/tsan_interceptors.cc.o
> FAILED: /usr/bin/CC   -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS
> -D__STDC_LIMIT_MACROS -fPIC -fvisibility-inlines-hidden -Wall -W
> -Wno-unused-parameter -Wwrite-strings -Wcast-qual
> -Wmissing-field-initializers -pedantic -Wno-long-long
> -Wcovered-switch-default -Wnon-virtual-dtor -std=c++11
> -fcolor-diagnostics -Wall -std=c++11 -g -Iprojects/compiler-rt/lib/tsan
> -I/home/sbruno/clang/llvm/projects/compiler-rt/lib/tsan -Iinclude
> -I/home/sbruno/clang/llvm/include -I/usr/local/include
> -I/home/sbruno/clang/llvm/projects/compiler-rt/lib/tsan/..     -m64
> -fPIC -fno-builtin -fno-exceptions -fomit-frame-pointer -funwind-tables
> -fno-stack-protector -fno-sanitize=safe-stack -fvisibility=hidden
> -fvisibility-inlines-hidden -fno-function-sections -fno-lto -O3
> -gline-tables-only -Wno-gnu -Wno-variadic-macros -Wno-c99-extensions
> -Wno-non-virtual-dtor -fPIE -fno-rtti -msse3 -Wframe-larger-than=512
> -Wglobal-constructors --sysroot=. -MMD -MT
>
> projects/compiler-rt/lib/tsan/CMakeFiles/clang_rt.tsan-x86_64.dir/rtl/tsan_interceptors.cc.o
> -MF
>
> projects/compiler-rt/lib/tsan/CMakeFiles/clang_rt.tsan-x86_64.dir/rtl/tsan_interceptors.cc.o.d
> -o
>
> projects/compiler-rt/lib/tsan/CMakeFiles/clang_rt.tsan-x86_64.dir/rtl/tsan_interceptors.cc.o
> -c
>
> /home/sbruno/clang/llvm/projects/compiler-rt/lib/tsan/rtl/tsan_interceptors.cc
> In file included from
>
> /home/sbruno/clang/llvm/projects/compiler-rt/lib/tsan/rtl/tsan_interceptors.cc:2367:
>
> /home/sbruno/clang/llvm/projects/compiler-rt/lib/tsan/../sanitizer_common/sanitizer_common_interceptors.inc:41:10:
> fatal error: 'stdarg.h' file not found
> #include <stdarg.h>
>          ^
> 1 error generated.
> [1950/2811] Building X86GenDAGISel.inc...
> ninja: build stopped: subcommand failed.
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