>Number:         4940
>Category:       os-ultrix
>Synopsis:       configure script fails, building of Apache fails during 
>linking httpd daemon
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    apache
>State:          open
>Class:          sw-bug
>Submitter-Id:   apache
>Arrival-Date:   Tue Aug 31 16:20:02 PDT 1999
>Last-Modified:
>Originator:     [EMAIL PROTECTED]
>Organization:
apache
>Release:        1.3.9
>Environment:
ULTRIX 4.5 0 RISC, native CC compiler
ULTRIX 4.4 0 RISC, native CC compiler
maybe older versions of Ultrix
>Description:
There is a small bug in the script "configure". The line

test -f /bin/sh5 && exec /bin/sh5 $0 "$@"

causes an infinite loop. Script configure repeatedly calls itself
until forever. This problem will occur on every UNIX that has
/bin/sh5 shell. Therefore the problematic line should be replaced
for example by these lines:

if test -f /bin/sh5 -a -z "$CONFIGURE_ALREADY_RUNNING"
then
    CONFIGURE_ALREADY_RUNNING=yes; export CONFIGURE_ALREADY_RUNNING
    exec /bin/sh5 $0 "$@"
fi
 
Apache is successfully configured after this replacement.

Unfortunately there is another problem under Ultrix with standard
CC compiler. Building of Apache fails during linking httpd daemon.

cc  -DULTRIX -std -DUSE_HSREGEX -DUSE_EXPAT -I./lib/expat-lite -O2
 `./apaci`           -o httpd buildmark.o modules.o  modules/standard
/libstandard.a  main/libmain.a  ./os/unix/libos.a  ap/libap.a regex/libregex.a
lib/expat-lite/libexpat.a
ld:
Undefined:
__ull_div
__ll_mul
*** Error code 1

Stop.
*** Error code 1

Stop.
*** Error code 1


This problem is probably due to a bug in native CC compiler. Therefore
it is necessary to modify code in functions conv10 and conv_10_quad
in module ap_snprintf.c:

*** ap_snprintf.c       Tue Aug 31 21:46:24 1999
--- /apps/inst/ap_snprintf.c    Sat Aug  7 00:15:59 1999
***************
*** 390,398 ****
       * We use a do-while loop so that we write at least 1 digit
       */
      do {
!       register u_wide_int new_magnitude = (unsigned long)magnitude / 10;

!       *--p = (char) (magnitude - (unsigned long)new_magnitude * 10 + '0');
        magnitude = new_magnitude;
      }
      while (magnitude);
--- 390,398 ----
       * We use a do-while loop so that we write at least 1 digit
       */
      do {
!       register u_wide_int new_magnitude = magnitude / 10;

!       *--p = (char) (magnitude - new_magnitude * 10 + '0');
        magnitude = new_magnitude;
      }
      while (magnitude);
***************
*** 445,453 ****
       * We use a do-while loop so that we write at least 1 digit
       */
      do {
!       register u_widest_int new_magnitude = (unsigned long)magnitude / 10;

!       *--p = (char) (magnitude - (unsigned long)new_magnitude * 10 + '0');
        magnitude = new_magnitude;
      }
      while (magnitude);
--- 445,453 ----
       * We use a do-while loop so that we write at least 1 digit
       */
      do {
!       register u_widest_int new_magnitude = magnitude / 10;

!       *--p = (char) (magnitude - new_magnitude * 10 + '0');
        magnitude = new_magnitude;
      }
      while (magnitude);


After applying this changes Apache will be successfully built and
working OK.

>How-To-Repeat:
For example:

CFLAGS=-O2 ./configure
>Fix:
Yes, I have mentioned about them in the section "Full Description"
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