Require GNU awk at ./configure time.
Some components (specifically {,e}glibc) will not build when awk
is not GNU awk. Make ./configure check for GNU awk.
1.1 --- a/configure Wed Jul 15 09:22:47 2009 +0200
1.2 +++ b/configure Wed Jul 22 20:42:23 2009 +0200
1.3 @@ -327,7 +327,7 @@
1.4 ver='^GNU Make (3.[89][[:digit:]]|[4-9])' \
1.5 err="GNU 'make' 3.80 or above was not found"
1.6 has_or_abort prog=gcc
1.7 -has_or_abort prog=awk
1.8 +has_or_abort prog="awk gawk" ver='^GNU Awk' err="GNU 'awk' was not found"
1.9 has_or_abort prog=bison
1.10 has_or_abort prog=flex
1.11 has_or_abort prog=makeinfo