==The Build Environment==

SunOS 2.7 i86pc
gcc version 2.95 19990728 (release)
GNU Make version 3.78.1
GNU Bison version 1.28
flex version 2.5.4


  ==The Failure==

 bash-2.03$ ./configure --with-mysql=../mysql-3.22.27 --with-apache=../apache_1.3.9 --enable-track-vars --enable-versioning --with-imap=../imap-4.7
[...]
 bash-2.03$ make
[...]
gcc -g -O2 -O2   -I. -I.   -I../apache_1.3.9/src/include
-I../apache_1.3.9/src/os/unix
-I/export/home/ssimpson/php3/../imap-4.7/include
-I/export/home/ssimpson/php3/../mysql-3.22.27/include    -c functions/imap.c
-o functions/imap.o
functions/imap.c: In function `imap_init':
functions/imap.c:429: `unixdriver' undeclared (first use in this function)
functions/imap.c:429: (Each undeclared identifier is reported only once
functions/imap.c:429: for each function it appears in.)
functions/imap.c:435: `mhdriver' undeclared (first use in this function)
functions/imap.c:436: `mxdriver' undeclared (first use in this function)
functions/imap.c:438: `mbxdriver' undeclared (first use in this function)
functions/imap.c:439: `tenexdriver' undeclared (first use in this function)
functions/imap.c:440: `mtxdriver' undeclared (first use in this function)
functions/imap.c:442: `mmdfdriver' undeclared (first use in this function)
functions/imap.c:443: `newsdriver' undeclared (first use in this function)
functions/imap.c:444: `philedriver' undeclared (first use in this function)
make: *** [functions/imap.o] Error 1


  ==The Fix==

A friend far wiser than I regarding C matters recommended the following change to functions/imap.c:

87,98d86
< /* Addition by Andrea Fiedler <ala@phocat.com> */
< 
< extern DRIVER unixdriver;
< extern DRIVER mhdriver;
< extern DRIVER mxdriver;
< extern DRIVER mbxdriver;
< extern DRIVER tenexdriver;
< extern DRIVER mtxdriver;
< extern DRIVER mmdfdriver;
< extern DRIVER newsdriver;
< extern DRIVER philedriver;
<