#8 alloca.h not on IBM AIX 4.3

[Wilfried Brunken]

Version 1.4.4
if gcc -DHAVE_CONFIG_H -I. -I. -I.. -I. -I../intl -
I../plugins -I/usr/local/ssl/include -g -O2 -MT
regex.o -MD -MP -MF ".deps/regex.Tpo" -c -o regex.o
regex.c; \
then mv -f ".deps/regex.Tpo" ".deps/regex.Po"; else
rm -f ".deps/regex.Tpo"; exit 1; fi
In file included from regex.c:55:
regex_internal.h:458:20: alloca.h: No such file or
directory

The used function alloca() is not in the ANSI-C
standard.

Version info:
gcc --version
gcc (GCC) 3.4.3