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Full Discussion: Apache 2.2 on Ubuntu 8.10
Operating Systems Linux Ubuntu Apache 2.2 on Ubuntu 8.10 Post 302276637 by mojoman on Wednesday 14th of January 2009 09:18:41 AM
Old 01-14-2009
Quote:
Originally Posted by otheus
Try "httpd -V". HTTPD 2.2.9 does not have the "atomics" compile-time option, so I cannot determine if this would work for you.

UPDATE: Oh oh. This seems to be a configuration bug of some sort AND the documentation is out of date. The configure code now (since long before 2.2.9) tests if the architecture being compiled for is greater than i486 and if so, it provides you with "generic" hardware atomics -- ie, pthread mutex locking. It looks like it should have used assembly atomics, but someone goofed and got it the other way around. SO unless your package is specifically for the "i386" architecture, it will have use the pthread calls, not the assembly calls. If you have the APR "libtool" installed (search your filesystem for apr-1/../libtool) check the file for what it sets "host" to. If it's not i386 or not x86_64, I'm pretty sure you're not using mutexes.

I'm going to see what Apache developers say about this.

I am a little new to UBUNTU. When using the synaptic package manager, are the packages pre-compiled? I ask since since you say the "arhictecture being compiled for is greater than 486". Does syaptic download the package, check for the architecture and the compile or as I ask above are they pre-compiled.

Last edited by otheus; 01-14-2009 at 10:46 AM..
 

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APR-1-CONFIG(1) 						   User Commands						   APR-1-CONFIG(1)

NAME
apr-1-config - Return metainformation about apr library SYNOPSIS
apr-1-config [OPTION] DESCRIPTION
The apr-1-config program is used to retrieve information about the apr library in the system. It is typically used to compile and link against the library. When linking with libtool, an application should do something like: APR_LIBS="`apr-1-config --link-libtool --libs`" or when linking directly: APR_LIBS="`apr-1-config --link-ld --libs`" An application should use the results of --cflags, --cppflags, --includes, and --ldflags in their build process. OPTIONS
Known values for OPTION are: --prefix[=DIR] change prefix to DIR --bindir print location where binaries are installed --includedir print location where headers are installed --cc print C compiler name --cpp print C preprocessor name and any required options --cflags print C compiler flags --cppflags print C preprocessor flags --includes print include information --ldflags print linker flags --libs print additional libraries to link against --srcdir print APR source directory --installbuilddir print APR build helper directory --link-ld print link switch(es) for linking to APR --link-libtool print the libtool inputs for linking to APR --shlib-path-var print the name of the shared library path env var --apr-la-file print the path to the .la file, if available --apr-so-ext print the extensions of shared objects on this platform --apr-lib-target print the libtool target information --apr-libtool print the path to APR's libtool --version print the APR's version as a dotted triple --help print the help AUTHOR
This manual page was written by Vincent Danjean <Vincent.Danjean@ens-lyon.org> for the Debian project (but may be used by others). apr-1-config 1.2.2 March 2006 APR-1-CONFIG(1)
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