Bom dia, estou deparando com os seguintes erros ao tentar compilar o
rac em Hp-Ux Itanium 11.23:

/tmp/rac-1.3/src >make
gcc -Wall -O3 -Werror -funroll-loops -fomit-frame-pointer -
pipe -D_GNU_SOURCE -pedantic -c exec.c
gcc -Wall -O3 -Werror -funroll-loops -fomit-frame-pointer -
pipe -D_GNU_SOURCE -pedantic -c input.c
gcc -Wall -O3 -Werror -funroll-loops -fomit-frame-pointer -
pipe -D_GNU_SOURCE -pedantic -c lib_rac.c
cc1: warnings being treated as errors
lib_rac.c: In function 'get_command_type':
lib_rac.c:156: warning: implicit declaration of function 'alloca'
lib_rac.c:156: warning: incompatible implicit declaration of built-in
function 'alloca'
*** Error exit code 1

Agradeço a atenção,
Rodrigo