[Wayland-bugs] [Bug 100939] Can't build with LLVM/clang

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=100939

            Bug ID: 100939
           Summary: Can't build with LLVM/clang
           Product: Wayland
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: wayland
          Assignee: wayland-bugs at lists.freedesktop.org
          Reporter: tpgxyz at gmail.com

Wayland 1.13.0 build fails with LLVM/clang 4.1 with LTO enabled

More logs can be found here
http://file-store.openmandriva.org/api/v1/file_stores/5af6909e374c756e8e67307535a3f9530d6f7861.log?show=true


make[2]: Entering directory '/builddir/build/BUILD/wayland-1.13.0'
/bin/sh ./libtool  --tag=CC   --mode=link /usr/bin/clang -Wall -Wextra
-Wno-unused-parameter -g -Wstrict-prototypes -Wmissing-prototypes
-fvisibility=hidden -Os -gdwarf-4 -Wstrict-aliasing=2 -pipe -Wformat
-Werror=format-security -D_FORTIFY_SOURCE=2 -fstack-protector
--param=ssp-buffer-size=4  -fPIC -flto  -Os -gdwarf-4 -Wstrict-aliasing=2 -pipe
-Wformat -Werror=format-security -D_FORTIFY_SOURCE=2 -fstack-protector
--param=ssp-buffer-size=4  -fPIC -flto -Wl,-O2  -Wl,--no-undefined -flto  -o
fixed-test tests/fixed-test.o libtest-runner.la 
libtool: link: /usr/bin/clang -Wall -Wextra -Wno-unused-parameter -g
-Wstrict-prototypes -Wmissing-prototypes -fvisibility=hidden -Os -gdwarf-4
-Wstrict-aliasing=2 -pipe -Wformat -Werror=format-security -D_FORTIFY_SOURCE=2
-fstack-protector --param=ssp-buffer-size=4 -fPIC -flto -Os -gdwarf-4
-Wstrict-aliasing=2 -pipe -Wformat -Werror=format-security -D_FORTIFY_SOURCE=2
-fstack-protector --param=ssp-buffer-size=4 -fPIC -flto -Wl,-O2
-Wl,--no-undefined -flto -o .libs/fixed-test tests/fixed-test.o 
./.libs/libtest-runner.a
/builddir/build/BUILD/wayland-1.13.0/.libs/libwayland-client.so
/builddir/build/BUILD/wayland-1.13.0/.libs/libwayland-server.so -lm -lrt -ldl
-lffi -pthread
make[2]: Leaving directory '/builddir/build/BUILD/wayland-1.13.0'
/tmp/lto-llvm-ceeca4.o:ld-temp.o:function main: error: undefined reference to
'__stop_test_section'
/tmp/lto-llvm-ceeca4.o:ld-temp.o:function main: error: undefined reference to
'__start_test_section'
/tmp/lto-llvm-ceeca4.o:ld-temp.o:function main: error: undefined reference to
'__start_test_section'
/tmp/lto-llvm-ceeca4.o:ld-temp.o:function main: error: undefined reference to
'__stop_test_section'
/tmp/lto-llvm-ceeca4.o:ld-temp.o:function main: error: undefined reference to
'__stop_test_section'
/tmp/lto-llvm-ceeca4.o:ld-temp.o:function main: error: undefined reference to
'__start_test_section'
/tmp/lto-llvm-ceeca4.o:ld-temp.o:function main: error: undefined reference to
'__start_test_section'
/tmp/lto-llvm-ceeca4.o:ld-temp.o:function main: error: undefined reference to
'__stop_test_section'
clang-4.0: error: linker command failed with exit code 1 (use -v to see
invocation)
make[2]: *** [Makefile:1446: fixed-test] Error 1
make[2]: *** Waiting for unfinished jobs....

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