...............................................
check_cc
BEGIN /tmp/ffconf.mBbS4594.c
    1   #include <math.h>
    2   float foo(float f) { return truncf(f); }
    3   int main(void){ return (int) foo; }
END /tmp/ffconf.mBbS4594.c
x86_64-redhat-linux-gcc -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions
 -fstack-protector --param=ssp-buffer-size=4 -m32 -mtune=generic -fasynchronous-unwind-tables -std=c99 -fomit-frame-pointer -pthread -c -o /t
mp/ffconf.PwfQ4602.o /tmp/ffconf.mBbS4594.c
In file included from /usr/include/features.h:352,
                 from /usr/include/math.h:28,
                 from /tmp/ffconf.mBbS4594.c:1:
/usr/include/gnu/stubs.h:7:27: error: gnu/stubs-32.h: No such file or directory
check_lib2 stdint.h faac.h faacEncGetVersion -lfaac
check_func_headers stdint.h faac.h faacEncGetVersion -lfaac
check_ld cc -lfaac
check_cc
BEGIN /tmp/ffconf.mBbS4594.c
    1   #include <stdint.h>
    2   #include <faac.h>
    3   long check_faacEncGetVersion(void) { return (long) faacEncGetVersion; }
    4   int main(void) { return 0; }
END /tmp/ffconf.mBbS4594.c
x86_64-redhat-linux-gcc -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions
 -fstack-protector --param=ssp-buffer-size=4 -m32 -mtune=generic -fasynchronous-unwind-tables -std=c99 -fomit-frame-pointer -pthread -c -o /t
mp/ffconf.PwfQ4602.o /tmp/ffconf.mBbS4594.c
In file included from /usr/include/features.h:352,
                 from /usr/include/stdint.h:26,
                 from /tmp/ffconf.mBbS4594.c:1:
/usr/include/gnu/stubs.h:7:27: error: gnu/stubs-32.h: No such file or directory
ERROR: libfaac not found