Bug#896805: mplayer FTBFS on i386 with glibc 2.27

[Adrian Bunk]

Source: mplayer
Version: 2:1.3.0-7
Severity: serious

https://tests.reproducible-builds.org/debian/rb-pkg/unstable/i386/mplayer.html

...
cc -MMD -MP -Wundef -W -Wall -Wall -Wno-switch -Wno-parentheses -Wpointer-arith -Wredundant-decls -Werror=format-security -Wstrict-prototypes -Wmissing-prototypes -Wdisabled-optimization -Wno-pointer-sign -Wdeclaration-after-statement -std=gnu99 -Werror-implicit-function-declaration -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_ISOC99_SOURCE -I. -Iffmpeg -O2 -march=i586 -mtune=i586 -pipe -g  -fno-tree-vectorize -fno-asynchronous-unwind-tables -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE -g -O2 -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wdate-time -D_FORTIFY_SOURCE=2 -DPIC -D_REENTRANT -I/usr/include/p11-kit-1 -I/usr/include/samba-4.0 -I/usr/include/directfb -I/usr/include/   -D_REENTRANT  -I/usr/include/freetype2 -I/usr/include/libpng16 -DZLIB_CONST -I/usr/include/opus -I/usr/include/bs2b -I/usr/include/i386-linux-gnu -I/usr/include/i386-linux-gnu -pthread -I/usr/include/gtk-2.0 -I/usr/lib/i386-linux-gnu/gtk-2.0/include -I/usr/include/gio-unix-2.0/ -I/usr/include/cairo -I/usr/include/pango-1.0 -I/usr/include/atk-1.0 -I/usr/include/cairo -I/usr/include/pixman-1 -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/libpng16 -I/usr/include/pango-1.0 -I/usr/include/harfbuzz -I/usr/include/pango-1.0 -I/usr/include/glib-2.0 -I/usr/lib/i386-linux-gnu/glib-2.0/include -I/usr/include/fribidi -I/usr/include/uuid -I/usr/include/freetype2 -I/usr/include/libpng16  -c -o cpudetect.o cpudetect.c
cpudetect.c:60:52: warning: 'struct sigcontext' declared inside parameter list will not be visible outside of this definition or declaration
 static void sigill_handler_sse( int signal, struct sigcontext sc )
                                                    ^~~~~~~~~~
cpudetect.c:60:63: error: parameter 2 ('sc') has incomplete type
 static void sigill_handler_sse( int signal, struct sigcontext sc )
                                                               ^~