28.01.2013 11:02, Frantisek Hanzlik пишет: > Hello DOSEMU hackers, > > Just trying build git version DOSEMU (dosemu-1.4.0.8-111.g5205669 ?) > I ends with linker error: > > ...onous-unwind-tables -o emu.o emu.c > In file included from /usr/include/stdio.h:28:0, > from emu.c:59: > /usr/include/features.h:314:4: warning: #warning _FORTIFY_SOURCE requires > compiling with optimization (-O) [-Wcpp] > gcc -std=gnu99 -Wl,-warn-common -Wl,-z,relro -rdynamic -o > ../1.4.0.8/bin/dosemu.bin emu.o \ > -Wl,--whole-archive lib/libenv_video.a lib/libbase.a lib/libbase_async.a > lib/libarch_linux_async.a lib/libarch_linux_mapping.a lib/libbase_misc.a > lib/libbase_misc_libpcl.a lib/libbase_dev_misc.a lib/libemu-i386.a > lib/libenv.a lib/libbase_speaker.a lib/libbase_dev_pic.a > lib/libdosext_dpmi.a lib/libdosext_mfs.a lib/libdosext_misc.a > lib/libbase_init.a lib/libbase_serial.a lib/libbase_mouse.a > lib/libbase_dev_dma.a lib/libarch_linux_debugger.a lib/libdosext_net_net.a > lib/libdosext_sound.a lib/libarch_linux_dosext_sound.a > lib/libbase_dev_sb16.a lib/libbase_sound.a lib/libdosext_drivers.a > lib/libbase_bios.a lib/libplugin_fluidsynth.a lib/libplugin_X.a > lib/libplugin_gpm.a lib/libplugin_extra_charsets.a lib/libplugin_alsa.a > lib/libplugin_term.a lib/libplugin_midimisc.a lib/libplugin_sdl.a > lib/libplugin_kbd_unicode.a lib/libplugin_commands.a lib/libplugin_sndfile.a > lib/libplugin_translate.a lib/libplugin_translate_charsets.a > -Wl,--no-whole-archive -lvga -lrt -ldl -lm > lib/libdosext_sound.a(sound.o): In function `sb_io_write': > /mnt/ARCHIV/dist/RH/MyRPMs/BUILD/dosemu-1.4.0.8/src/dosext/sound/sound.c:768: > undefined reference to `sb_mixer_register_write' > collect2: error: ld returned 1 exit status > make[2]: *** [../1.4.0.8/bin/dosemu.bin] Error 1 > make[2]: Leaving directory > `/mnt/ARCHIV/dist/RH/MyRPMs/BUILD/dosemu-1.4.0.8/src' > make[1]: *** [dosemu] Error 2 > > > Which may be bad? Should be fixed in git. In C99 mode, the "inline" functions do not produce an externally visible symbol. But, in your case, this function had a _forward_ inline declaration, and was not available at a call site, so, for some reason, the direct call was generated. This may be a gcc bug, or may not. gnu99 mode was in the game, not C99, which gives the additional obscuring. I simply removed inline.
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