* Package:    media-sound/wavegain-1.3.1
 * Repository: gentoo
 * Maintainer: sound@gentoo.org
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux userland_GNU
 * FEATURES:   network-sandbox preserve-libs sandbox userpriv usersandbox
>>> Unpacking source...
>>> Unpacking wavegain-1.3.1srcs.zip to /var/tmp/portage/media-sound/wavegain-1.3.1/work
>>> Source unpacked in /var/tmp/portage/media-sound/wavegain-1.3.1/work
>>> Preparing source in /var/tmp/portage/media-sound/wavegain-1.3.1/work/WaveGain-1.3.1 ...
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/media-sound/wavegain-1.3.1/work/WaveGain-1.3.1 ...
>>> Source configured.
>>> Compiling source in /var/tmp/portage/media-sound/wavegain-1.3.1/work/WaveGain-1.3.1 ...
audio.c: In function ‘wav_open’:
audio.c:663:4: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result]
  663 |    fread(buf_double, 1, 8, in);
      |    ^~~~~~~~~~~~~~~~~~~~~~~~~~~
audio.c:681:4: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result]
  681 |    fread(opt->header, 1, opt->header_size, in);
      |    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
audio.c: In function ‘close_audio_file’:
audio.c:1034:6: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result]
 1034 |      fread (ch, 1, pos - current_pos_t, in);
      |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
gain_analysis.c:128:1: warning: variably modified ‘lstepbuf’ at file scope
  128 | Float_t          lstepbuf  [MAX_SAMPLES_PER_WINDOW + MAX_ORDER];
      | ^~~~~~~
gain_analysis.c:130:1: warning: variably modified ‘loutbuf’ at file scope
  130 | Float_t          loutbuf   [MAX_SAMPLES_PER_WINDOW + MAX_ORDER];
      | ^~~~~~~
gain_analysis.c:134:1: warning: variably modified ‘rstepbuf’ at file scope
  134 | Float_t          rstepbuf  [MAX_SAMPLES_PER_WINDOW + MAX_ORDER];
      | ^~~~~~~
gain_analysis.c:136:1: warning: variably modified ‘routbuf’ at file scope
  136 | Float_t          routbuf   [MAX_SAMPLES_PER_WINDOW + MAX_ORDER];
      | ^~~~~~~
gain_analysis.c:148:1: warning: variably modified ‘A’ at file scope
  148 | static Uint32_t  A [(size_t)(STEPS_per_dB * MAX_dB)];
      | ^~~~~~
gain_analysis.c:149:1: warning: variably modified ‘B’ at file scope
  149 | static Uint32_t  B [(size_t)(STEPS_per_dB * MAX_dB)];
      | ^~~~~~
main.c: In function ‘process_files’:
main.c:181:23: warning: comparison between pointer and zero character constant [-Wpointer-compare]
  181 |    if (file->filename == '\0')
      |                       ^~
main.c:181:8: note: did you mean to dereference the pointer?
  181 |    if (file->filename == '\0')
      |        ^
main.c:194:23: warning: comparison between pointer and zero character constant [-Wpointer-compare]
  194 |    if (file->filename == '\0')
      |                       ^~
main.c:194:8: note: did you mean to dereference the pointer?
  194 |    if (file->filename == '\0')
      |        ^
main.c:265:24: warning: comparison between pointer and zero character constant [-Wpointer-compare]
  265 |     if (file->filename == '\0')
      |                        ^~
main.c:265:9: note: did you mean to dereference the pointer?
  265 |     if (file->filename == '\0')
      |         ^
misc.c: In function ‘file_error’:
misc.c:42:2: warning: format not a string literal and no format arguments [-Wformat-security]
   42 |  fprintf(stderr, strerror(err_num));
      |  ^~~~~~~
wavegain.c: In function ‘write_gains’:
wavegain.c:524:36: warning: implicit declaration of function ‘getpid’ [-Wimplicit-function-declaration]
  524 |                 srand(time(NULL) ^ getpid());
      |                                    ^~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/9.2.0/../../../../x86_64-pc-linux-gnu/bin/ld: /var/tmp/portage/media-sound/wavegain-1.3.1/temp/ccrXvgUj.o:(.bss+0x204): multiple definition of `file_formats'; /var/tmp/portage/media-sound/wavegain-1.3.1/temp/cci4ockk.o:(.bss+0x8): first defined here
/usr/lib/gcc/x86_64-pc-linux-gnu/9.2.0/../../../../x86_64-pc-linux-gnu/bin/ld: /var/tmp/portage/media-sound/wavegain-1.3.1/temp/ccq97bBi.o:(.bss+0x148): multiple definition of `file_formats'; /var/tmp/portage/media-sound/wavegain-1.3.1/temp/cci4ockk.o:(.bss+0x8): first defined here
collect2: error: ld returned 1 exit status
 * ERROR: media-sound/wavegain-1.3.1::gentoo failed (compile phase):
 *   build failed
 * 
 * Call stack:
 *     ebuild.sh, line 125:  Called src_compile
 *   environment, line 1065:  Called die
 * The specific snippet of code:
 *       $(tc-getCC) ${LDFLAGS} ${CFLAGS} *.c -o ${PN} -DHAVE_CONFIG_H -lm || die "build failed"
 * 
 * If you need support, post the output of `emerge --info '=media-sound/wavegain-1.3.1::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=media-sound/wavegain-1.3.1::gentoo'`.
 * The complete build log is located at '/var/log/portage/media-sound:wavegain-1.3.1:20200127-073350.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/media-sound/wavegain-1.3.1/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/media-sound/wavegain-1.3.1/temp/environment'.
 * Working directory: '/var/tmp/portage/media-sound/wavegain-1.3.1/work/WaveGain-1.3.1'
 * S: '/var/tmp/portage/media-sound/wavegain-1.3.1/work/WaveGain-1.3.1'