[users@httpd] Success! Compiling Apache 2.0.40 on DG/UX R4.20MU07

["Howarth, Richard" <rh...@sgb.co.uk>]

I've managed to compile Apache 2.0.40 on DU/UX R4.20 MU07.

I had to kludge the configure and edit the top level Makefile.

System type is reported as :  i586-dg-dguxR4.20MU07

The thread definitions were the main problem.  The include file
<sys/pthread.h> has a couple of sets of declarations. I had to
define _POSIX4A_DRAFT10_SOURCE to enable one of the sections.

The thread functions are in /usr/lib/libthread.so, which I had to
add as an extra library.

Also, the real thread functions begin "__d10_".  This specifically
causes a problem for configure, as it cannot locate "pthread_key_delete".
Although this caused HAVE_PTHREAD_KEY_DELETE to be undefined, the function
is still called in the code which causes an unresolved symbol when
httpd is created.

Including <pthread.h> in the configure test helps, but then it chokes
because of the redeclaration of the function, so I changed the declaration
to "int" to match that in the header file.

Finally, "make install" fails because there is a CVS cleanup which errors
when there is no CVS directory to remove.

Here's what I did to get it to compile (and run):
1) Edit srclib/apr/configure and
   i) Add "-D_POSIX4A_DRAFT10_SOURCE" for dgux
   ii) Add "-lthread" for dgux
   iii) Add "<sys/pthread.h>" for pthread_key_delete test
   iv) Change function type to "int" for pthread_key_delete test
2) configure
3) Edit top level makefile and delete lines which clean up "CVS" directories
4) make
5) make install
6) Create a "apache" user and "apache" group
7) Edit http.conf and set the user and group to "apache"
8) apachectl start

Here's a diff for the changes to configure:
===================================================
*** configure.old	Fri Sep 13 13:44:26 2002
--- configure	Fri Sep 13 13:42:55 2002
***************
*** 3071,3080 ****
      *-dg-dgux*)
  
    if test "x$CPPFLAGS" = "x"; then
!     echo "  setting CPPFLAGS to \"-DDGUX\""
!     CPPFLAGS="-DDGUX"
    else
!     apr_addto_bugger="-DDGUX"
      for i in $apr_addto_bugger; do
        apr_addto_duplicate="0"
        for j in $CPPFLAGS; do
--- 3071,3080 ----
      *-dg-dgux*)
  
    if test "x$CPPFLAGS" = "x"; then
!     echo "  setting CPPFLAGS to \"-DDGUX -D_POSIX4A_DRAFT10_SOURCE\""
!     CPPFLAGS="-DDGUX -D_POSIX4A_DRAFT10_SOURCE"
    else
!     apr_addto_bugger="-DDGUX -D_POSIX4A_DRAFT10_SOURCE"
      for i in $apr_addto_bugger; do
        apr_addto_duplicate="0"
        for j in $CPPFLAGS; do
***************
*** 3090,3095 ****
--- 3090,3115 ----
      done
    fi
  
+   if test "x$LIBS" = "x"; then
+     echo "  setting LIBS to \"-lthread\""
+     LIBS="-lthread"
+   else
+     apr_addto_bugger="-lthread"
+     for i in $apr_addto_bugger; do
+       apr_addto_duplicate="0"
+       for j in $LIBS; do
+         if test "x$i" = "x$j"; then
+           apr_addto_duplicate="1"
+           break
+         fi
+       done
+       if test $apr_addto_duplicate = "0"; then
+         echo "  adding \"$i\" to LIBS"
+         LIBS="$LIBS $i"
+       fi
+     done
+   fi
+ 
  	;;
      *os2_emx*)
  
***************
*** 14173,14178 ****
--- 14193,14199 ----
  /* System header to define __stub macros and hopefully few prototypes,
      which can conflict with char $ac_func (); below.  */
  #include <assert.h>
+ #include <pthread.h>
  /* Override any gcc2 internal prototype to avoid an error.  */
  #ifdef __cplusplus
  extern "C"
***************
*** 14179,14186 ****
  #endif
  /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
! char $ac_func ();
! char (*f) ();
  
  #ifdef F77_DUMMY_MAIN
  #  ifdef __cplusplus
--- 14200,14207 ----
  #endif
  /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
! int $ac_func ();
! int (*f) ();
  
  #ifdef F77_DUMMY_MAIN
  #  ifdef __cplusplus

==============================================

Posted in the hope it will save someone else the aggravation ;)

Richard Howarth.


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