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  1. Sep 08, 1998
  3. Sep 07, 1998
  5. Sep 06, 1998
  7. Sep 04, 1998
  9. Sep 02, 1998
    • Ken Coar's avatar
      · dbcd76fe
      Ken Coar authored 
      	Update the filname column width-sizing piece of mod_autoindex
	so that it's customisable with a NameLength keyword on the
	IndexOptions directive.  A value of '*' means 'as wide as the
	longest filename,' which was the default effect of the last
	patch in this area.

PR:	1949, 2324


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@81979 13f79535-47bb-0310-9956-ffa450edef68
      dbcd76fe
  11. Aug 31, 1998
    • Ken Coar's avatar
      · 8794b635
      Ken Coar authored 
      	Clean up mod_autoindex's storage of the IndexOptions settings.
	They are per-directory, not per-filename, so keeping them in
	an array is confusing and pointless.  They're now stored in an
	int in the module config record.  Also (finally!) fix the
	FancyIndexing directive so it gets merged into any IndexOptions
	settings for the current directory, rather than replacing them.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@81972 13f79535-47bb-0310-9956-ffa450edef68
      8794b635
  13. Aug 27, 1998
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  31. Aug 03, 1998
    • Ralf S. Engelschall's avatar
      Link DSO modules against possible libraries from $(LIBS) (take 2) · e743d2fa
      Ralf S. Engelschall authored 
      =================================================================

Currently we have the following entry in our dso.html document:

| Because DSO modules cannot be linked against other DSO-based libraries (ld
| -lfoo) on all platforms (for instance a.out-based platforms usually don't
| provide this functionality while ELF-based platforms do) you cannot use the
| DSO mechanism for all types of modules. Or in other words, modules compiled as
| DSO files are restricted to only use symbols from the Apache core, from the C
| library (libc) and all other dynamic or static libraries used by the Apache
| core, or from static library archives (libfoo.a) containing position
| independend code. The only chance to use other code is to either make sure the
| Apache core itself already contains a reference to it or loading the code
| yourself via dlopen().

The important part here is: "cannot be linked .... on all platforms".  But
there _are_ platform (especially ELF-based ones) which support linking DSO
files agains other DSO files.  And even on platforms where this is not
possible is it possible to at least link against libraries assuming they
contain PIC code.

So, the idea is this: In the configuration process we already determine the
variable LDFLAGS and LIBS. They hold -L and -l options for linking
executables.  We parse these options and separate them into three classes:
OBJ, PIC and DSO.  And then we re-assemble a LIBS_SHLIB variable from only the
options in classes PIC and DSO. This variable is then used on the build
command for mod_xxx.so.

Example:

| $ ./configure --prefix=/tmp/apache \
|               --enable-module=auth_db \
|               --enable-shared=auth_db \
|               --enable-rule=SHARED_CHAIN

Without SHARED_CORE the mod_auth_db.so cannot be linked or at least not loaded
correctly under run-time. With SHARED_CHAIN enabled it is linked against the
libdb.so and all is fine (at least under this ELF-based Debian box I tried):

| :> make mod_auth_db.so
| gcc -c  -I../../os/unix -I../../include -I/usr/include/  -DLINUX=2
| -DUSE_HSREGEX `../../apaci` -fpic -DSHARED_MODULE mod_auth_db.c && mv
| mod_auth_db.o mod_auth_db.lo
| ld -Bshareable -o mod_auth_db.so mod_auth_db.lo -lm -ldb
| root@gw1:/e/apache/SRC/WORK/apache-1.3-libsshlib/src/modules/standard
| :> ldd mod_auth_db.so
|         ./mod_auth_db.so => ./mod_auth_db.so
|         libc.so.5 => /lib/libc.so.5
|         libm.so.5 => /lib/libm.so.5
|         libdb.so.1 => /usr/lib/libdb.so.1

This way we provide the maximum we can provide. Sure, on some platforms the
user still has no chance. But this shouldn't mean he becomes no chance on
other platforms where there _is_ a chance. So this patch is a first step for
more friendly and flexible DSO support.

The complete mechanism is triggered by a new Rule named SHARED_CHAIN. To avoid
problems this is DISABLED(!) for ALL(!) platforms currently. But when
experience shows that it worked fine for users we can enable it for tested
platforms per default.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@81846 13f79535-47bb-0310-9956-ffa450edef68
      e743d2fa
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