clang build error

[maxmadzz]

make -j6 PREFIX=/usr LIBDIR=lib64 'CFLAGS=-fno-semantic-interposition -Wl,--gc-sections -ffunction-sections -fdata-sections -Os -pipe -march=native -fPIC -mavx2' 'LDFLAGS=-fuse-ld=lld -rtlib=compiler-rt -unwindlib=libunwind -Wl,-O2 -Wl,--as-needed' 'ARFLAGS= -rcs' all 
clang -fno-semantic-interposition -Wl,--gc-sections -ffunction-sections -fdata-sections -Os -pipe -march=native -fPIC -mavx2  -fuse-ld=lld -rtlib=compiler-rt -unwindlib=libunwind -Wl,-O2 -Wl,--as-needed -I. -shared -fPIC -Wl,-soname,libopenaptx.so.0 -o libopenaptx.so.0.2.0 openaptx.c
clang -fno-semantic-interposition -Wl,--gc-sections -ffunction-sections -fdata-sections -Os -pipe -march=native -fPIC -mavx2  -I. -c -o openaptx.o openaptx.c
clang -fno-semantic-interposition -Wl,--gc-sections -ffunction-sections -fdata-sections -Os -pipe -march=native -fPIC -mavx2  -I. -c -o openaptxenc.o openaptxenc.c
clang -fno-semantic-interposition -Wl,--gc-sections -ffunction-sections -fdata-sections -Os -pipe -march=native -fPIC -mavx2  -I. -c -o openaptxdec.o openaptxdec.c
clang-12: warning: -Wl,--gc-sections: 'linker' input unused [-Wunused-command-line-argument]
clang-12: warning: -Wl,--gc-sections: 'linker' input unused [-Wunused-command-line-argument]
clang-12: warning: -Wl,--gc-sections: 'linker' input unused [-Wunused-command-line-argument]
rm -f libopenaptx.a
llvm-ar -rcs libopenaptx.a openaptx.o
clang -fno-semantic-interposition -Wl,--gc-sections -ffunction-sections -fdata-sections -Os -pipe -march=native -fPIC -mavx2 -fuse-ld=lld -rtlib=compiler-rt -unwindlib=libunwind -Wl,-O2 -Wl,--as-needed -static -o openaptxenc.static openaptxenc.o libopenaptx.a
clang -fno-semantic-interposition -Wl,--gc-sections -ffunction-sections -fdata-sections -Os -pipe -march=native -fPIC -mavx2 -fuse-ld=lld -rtlib=compiler-rt -unwindlib=libunwind -Wl,-O2 -Wl,--as-needed -static -o openaptxdec.static openaptxdec.o libopenaptx.a
ln -sf libopenaptx.so.0.2.0 libopenaptx.so.0
ln -sf libopenaptx.so.0 libopenaptx.so
clang -fno-semantic-interposition -Wl,--gc-sections -ffunction-sections -fdata-sections -Os -pipe -march=native -fPIC -mavx2 -fuse-ld=lld -rtlib=compiler-rt -unwindlib=libunwind -Wl,-O2 -Wl,--as-needed -o openaptxenc openaptxenc.o libopenaptx.so
clang -fno-semantic-interposition -Wl,--gc-sections -ffunction-sections -fdata-sections -Os -pipe -march=native -fPIC -mavx2 -fuse-ld=lld -rtlib=compiler-rt -unwindlib=libunwind -Wl,-O2 -Wl,--as-needed -o openaptxdec openaptxdec.o libopenaptx.so
ld.lld: error: undefined symbol: __unordtf2
>>> referenced by printf_fp.o:(__printf_fp_l) in archive /usr/lib/gcc/x86_64-pc-linux-gnu/11.1.0/../../../../lib64/libc.a
>>> referenced by printf_fp.o:(__printf_fp_l) in archive /usr/lib/gcc/x86_64-pc-linux-gnu/11.1.0/../../../../lib64/libc.a
>>> referenced by printf_fphex.o:(__printf_fphex) in archive /usr/lib/gcc/x86_64-pc-linux-gnu/11.1.0/../../../../lib64/libc.a
>>> referenced 1 more times
>>> did you mean: __unorddf2
>>> defined in: /usr/lib/llvm/12/bin/../../../../lib/clang/12.0.0/lib/linux/libclang_rt.builtins-x86_64.a

ld.lld: error: undefined symbol: __letf2
>>> referenced by printf_fp.o:(__printf_fp_l) in archive /usr/lib/gcc/x86_64-pc-linux-gnu/11.1.0/../../../../lib64/libc.a
>>> referenced by printf_fphex.o:(__printf_fphex) in archive /usr/lib/gcc/x86_64-pc-linux-gnu/11.1.0/../../../../lib64/libc.a
clang-12: error: linker command failed with exit code 1 (use -v to see invocation)
ld.lld: error: undefined symbol: __unordtf2
>>> referenced by printf_fp.o:(__printf_fp_l) in archive /usr/lib/gcc/x86_64-pc-linux-gnu/11.1.0/../../../../lib64/libc.a
>>> referenced by printf_fp.o:(__printf_fp_l) in archive /usr/lib/gcc/x86_64-pc-linux-gnu/11.1.0/../../../../lib64/libc.a
>>> referenced by printf_fphex.o:(__printf_fphex) in archive /usr/lib/gcc/x86_64-pc-linux-gnu/11.1.0/../../../../lib64/libc.a
>>> referenced 1 more times
>>> did you mean: __unorddf2
>>> defined in: /usr/lib/llvm/12/bin/../../../../lib/clang/12.0.0/lib/linux/libclang_rt.builtins-x86_64.a

ld.lld: error: undefined symbol: __letf2
>>> referenced by printf_fp.o:(__printf_fp_l) in archive /usr/lib/gcc/x86_64-pc-linux-gnu/11.1.0/../../../../lib64/libc.a
>>> referenced by printf_fphex.o:(__printf_fphex) in archive /usr/lib/gcc/x86_64-pc-linux-gnu/11.1.0/../../../../lib64/libc.a
make: *** [Makefile:90: openaptxenc.static] Error 1
make: *** Waiting for unfinished jobs....
clang-12: error: linker command failed with exit code 1 (use -v to see invocation)
make: *** [Makefile:90: openaptxdec.static] Error 1

[pali]

Try to recompile with command: make

[maxmadzz]

Sorry, it is a problem with the clang tool chain.