[krbdev.mit.edu #6710] 1.8 build failure only when CPPFLAGS=-DDEBUG

[Jeff Blaine via RT]

Builds fine without specifying CPPFLAGS.

RHELv5.5 x86 and gcc 4.1.2 as provided by OS.

./configure CPPFLAGS="-DDEBUG"
...
make
...
gcc -fPIC -DSHARED   -I../../../include -I../../../include 
-I../../../include/kadm5 -I../../../lib/gssapi/krb5 
-I../../../lib/gssapi/generic -I../../../lib/gssapi/krb5 
-I../../../lib/gssapi/generic -DKRB5_DEPRECATED=1 -DDEBUG -g -O2 -Wall 
-Wcast-align -Wshadow -Wmissing-prototypes -Wno-format-zero-length 
-Wmissing-format-attribute -Wmissing-prototypes -Wreturn-type 
-Wmissing-braces -Wparentheses -Wswitch -Wunused-function -Wunused-label 
-Wunused-variable -Wunused-value -Wunknown-pragmas -Wsign-compare 
-Wdeclaration-after-statement -Wvariadic-macros -pthread -c server_acl.c 
-o server_acl.so.o && mv -f server_acl.so.o server_acl.so
server_acl.c: In function âkadm5int_acl_get_lineâ:
server_acl.c:118: warning: comparison between signed and unsigned
server_acl.c: In function âkadm5int_acl_parse_lineâ:
server_acl.c:179: warning: implicit declaration of function âxprintfâ
server_acl.c: In function âkadm5int_acl_match_dataâ:
server_acl.c:572: error: âentryâ undeclared (first use in this function)
server_acl.c:572: error: (Each undeclared identifier is reported only once
server_acl.c:572: error: for each function it appears in.)
make[3]: *** [server_acl.so] Error 1