On Fri, 14 Jul 2017 00:32:42 +0200, moxian wrote: > > I've tried compiling alsa-tools-1.3.0 with clang, and the compilation > fails with the following: > > $ CC=clang CXX=clang++ make > ./as10k1 > <...snip...> > clang -fno-strict-aliasing -O2 -Wall -pipe -g -o as10k1 as10k1.o > parse.o assemble.o macro.o > as10k1.o: In function `header': > /home/moxian/work/alsa-tools/alsa-tools-1.1.3/as10k1/as10k1.c:524: > undefined reference to `output_tram_line' > /home/moxian/work/alsa-tools/alsa-tools-1.1.3/as10k1/as10k1.c:527: > undefined reference to `output_tram_line' > /home/moxian/work/alsa-tools/alsa-tools-1.1.3/as10k1/as10k1.c:539: > undefined reference to `output_tram_line' > /home/moxian/work/alsa-tools/alsa-tools-1.1.3/as10k1/as10k1.c:543: > undefined reference to `output_tram_line' > clang-3.9: error: linker command failed with exit code 1 (use -v to see > invocation) > make[2]: *** [Makefile:320: as10k1] Error 1 > make[2]: Leaving directory > '/home/moxian/work/alsa-tools/alsa-tools-1.1.3/as10k1' > make[1]: *** [Makefile:354: all-recursive] Error 1 > make[1]: Leaving directory > '/home/moxian/work/alsa-tools/alsa-tools-1.1.3/as10k1' > make: *** [Makefile:9: all] Error 1 > > Clang devs claim that it is not a bug in clang (as I thought > originally), but rather invalid code, which happens to compile with gcc > by accident. This is due to `output_tram_line` function being declared > as `inline void output_tram_line`. The intent was probably to declare it > as `static inline void output_tram_line`. > Please see https://bugs.llvm.org/show_bug.cgi?id=33768 for more details. > > Adding `static` to the function definition makes everything compile (at > least everything that compiles with gcc already). I dropped simply the bogus inline prefix. thanks, Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
