% tar xzf squid-2.6.RELEASExy.tar.gz
% cd squid-2.6.RELEASExy
% ./configure --with-MYOPTION --with-MYOPTION2 etc
% make
% make check
% make install
Squid will by default, install into /usr/local/squid. If you wish to
install somewhere else, see the –prefix option for configure.
🔗 What kind of compiler do I need?
To compile Squid 4 and later, you will need a C++11-compliant
compiler. Most recent Unix and Linux distributions come with pre-installed
compilers that support C++11.
Squid 6 will require a C++17-compliant compiler. These are generally available
on modern unix and linux distributions
If you are uncertain about your system’s C compiler, The GNU C compiler
is widely available and supplied in almost all operating systems. It is
also well tested with Squid. If your OS does not come with GCC you may
download it from the GNU FTP site. In
addition to gcc and g++, you may also want or need to install
the binutils package and a number of libraries, depending on the
feature-set you want to enable.
Clang is a popular alternative to gcc, especially
on BSD systems. It also generally works quite fine for building Squid.
Other alternatives which are or were tested in the past were Intel’s C++
compiler and Sun’s SunStudio. Microsoft Visual C++ is another target the
Squid developers aim for, but at the time of this writing (April 2014)
still quite a way off.
Please note that due to a bug in clang’s support for atomic operations,
squid doesn’t build on clang older than 3.2.
You will need the automake toolset for compiling from Makefiles.
You will need Perl installed on your system.
Each feature you choose to enable may also require additional libraries
or tools to build.
The easiest way to understand the dependencies for a full Squid installation
is to check the Dockefiles for the
containers used to run the project’s CI/CD
🔗 How do I cross-compile Squid ?
Use the ./configure option –host to specify the cross-compilation
tuplet for the machine which Squid will be installed on. The
autotools manual
has some simple documentation for this and other cross-configuration
options - in particular what they mean is a very useful detail to know.
Additionally, Squid is created using several custom tools which are
themselves created during the build process. This requires a C++
compiler to generate binaries which can run on the build platform. The
HOSTCXX= parameter needs to be provided with the name or path to
this compiler.
🔗 How do I apply a patch or a diff?
You need the patch program. You should probably duplicate the entire
directory structure before applying the patch. For example, if you are
upgrading from squid-2.6.STABLE13 to 2.6.STABLE14, you would run these
commands:
cp -rl squid-2.6.STABLE13 squid-2.6.STABLE14
cd squid-2.6.STABLE14
zcat /tmp/squid-2.6.STABLE13-STABLE14.diff.gz | patch -p1
If your patch program seems to complain or refuses to work, you should
get a more recent version, from the GNU FTP site,
for example.
Ideally you should use the patch command which comes with your OS.
🔗 configure options
The configure script can take numerous options. The most useful is
–prefix to install it in a different directory. The default
installation directory is /usr/local/squid/. To change the default,
you could do:
% cd squid-x.y.z
% ./configure --prefix=/some/other/directory/squid
Some OS require files to be installed in certain locations. See the OS
specific instructions below for ./configure options required to make
those installations happen correctly.
% ./configure --help
to see all available options. You will need to specify some of these
options to enable or disable certain features. Some options which are
used often include:
--prefix=PREFIX install architecture-independent files in PREFIX
[/usr/local/squid]
--enable-dlmalloc[=LIB] Compile & use the malloc package by Doug Lea
--enable-gnuregex Compile GNUregex
--enable-xmalloc-debug Do some simple malloc debugging
--enable-xmalloc-debug-trace
Detailed trace of memory allocations
--enable-xmalloc-statistics
Show malloc statistics in status page
--enable-async-io Do ASYNC disk I/O using threads
--enable-icmp Enable ICMP pinging and network measurement
--enable-delay-pools Enable delay pools to limit bandwidth usage
--enable-useragent-log Enable logging of User-Agent header
--enable-kill-parent-hack
Kill parent on shutdown
--enable-cachemgr-hostname[=hostname]
Make cachemgr.cgi default to this host
--enable-htpc Enable HTCP protocol
--enable-forw-via-db Enable Forw/Via database
--enable-cache-digests Use Cache Digests
see http://www.squid-cache.org/Doc/FAQ/FAQ-16.html
These are also commonly needed by Squid-2, but are now defaults in
Squid-3.
--enable-carp Enable CARP support
--enable-snmp Enable SNMP monitoring
--enable-err-language=lang
Select language for Error pages (see errors dir)
cache_cf.c: In function `parseConfigFile':
cache_cf.c:1353: yacc stack overflow before `token'
You may need to upgrade your gcc installation to a more recent version.
Check your gcc version with gcc -v
If it is earlier than 2.7.2, you might consider upgrading. Gcc 2.7.2 is
very old and not widely supported.
🔗 CentOS
# You will need the usual build chain
yum install -y perl gcc autoconf automake make sudo wget
# and some extra packages
yum install libxml2-devel libcap-devel
# to bootstrap and build from bzr needs also the packages
yum install libtool-ltdl-devel
The following ./configure options install Squid into the CentOS
structure properly:
--prefix=/usr
--includedir=/usr/include
--datadir=/usr/share
--bindir=/usr/sbin
--libexecdir=/usr/lib/squid
--localstatedir=/var
--sysconfdir=/etc/squid
Many versions of Ubuntu and Debian are routinely build-tested and
unit-tested as part of our
BuildFarm
and are known to compile OK.
The Linux system layout differs markedly from the Squid defaults.
The following ./configure options are needed to install Squid into
the Debian / Ubuntu standard filesystem locations:`
--prefix=/usr \
--localstatedir=/var \
--libexecdir=${prefix}/lib/squid \
--datadir=${prefix}/share/squid \
--sysconfdir=/etc/squid \
--with-default-user=proxy \
--with-logdir=/var/log/squid \
--with-pidfile=/var/run/squid.pid
Plus, of course, any custom configuration options you may need.
For Debian Jesse (8), Ubuntu Oneiric (11.10), or older squid3
packages; the above squid labels should have a 3 appended.
Remember these are only defaults. Altering squid.conf you can point
the logs at the right path anyway without either the workaround or
the patching.
As always, additional libraries may be required to support the features
you want to build. The default package dependencies can be installed
using:
aptitude build-dep squid
This requires only that your sources.list contain the deb-src
repository to pull the source package information. Features which are
not supported by the distribution package will need investigation to
discover the dependency package and install it.
The usual one requested is libssl-dev for SSL support.
However, please note that Squid-3.5
is not compatible with OpenSSL v1.1+. As of Debian Squeeze, or
Ubuntu Zesty the libssl1.0-dev package must be used instead.
This is resolved in the Squid-4
packages.
should be all you need.
However, if you wish to integrate patching of Squid with patching of
your other FreeBSD packages, it might be easiest to install Squid from
the Ports collection. As of FreeBSD 12.2, the available ports are:
/usr/ports/www/squid3
- Squid 3.5.28
/usr/ports/www/squid3
- Squid 4.10
To install squid-4:
cd /usr/ports/www/squid
make install clean
This section needs re-writing. Is has very little in compiling
Squid and much about installation.
In order to compile Squid, you need to have Cygwin fully installed.
The usage of the Cygwin environment is very similar to other Unix/Linux
environments, and -devel version of libraries must be installed.
Squid will by default, install into /usr/local/squid.
If you wish to install somewhere else, see the –prefix option for configure.
Now, add a new Cygwin user - see the Cygwin user guide - and map it to
SYSTEM, or create a new NT user, and a matching Cygwin user and they
become the squid runas users.
Read the squid FAQ on permissions if you are using CYGWIN=ntsec.
When that has completed run:
squid -z
If that succeeds, try:
squid -N -D -d1
Squid should start. Check that there are no errors. If everything looks
good, try browsing through squid.
Now, configure cygrunsrv to run Squid as a service as the chosen
username. You may need to check permissions here.
🔗 Compiling with MinGW
In order to compile squid using the MinGW environment, the packages
MSYS, MinGW and msysDTK must be installed. Some additional libraries and
tools must be downloaded separately:
OpenSSL: Shining Light Productions Win32 OpenSSL
libcrypt: MinGW packages repository
db-1.85: TinyCOBOL download area
Before building Squid with SSL support, some operations are needed (in
the following example OpenSSL is installed in C:\OpenSSL and MinGW in
C:\MinGW):
Copy C:\OpenSSL\lib\MinGW content to C:\MinGW\lib
Copy C:\OpenSSL\include\openssl content to
C:\MinGW\include\openssl
Rename C:\MinGW\lib\ssleay32.a to C:\MinGW\lib\libssleay32.a
Unpack the source archive as usual and run configure.
The following are the recommended minimal options for Windows:
Squid-3 : (requires Squid-3.5
or later, see porting efforts section below)
--prefix=c:/squid
--enable-default-hostsfile=none
Then run make and install as usual.
Squid will install into c:\squid. If you wish to install somewhere
else, change the –prefix option for configure.
When that has completed run:
squid -z
If that succeeds, try:
squid -N -D -d1
squid should start. Check that there are no errors. If everything
looks good, try browsing through squid.
Now, to run Squid as a Windows system service, run squid -n, this will
create a service named “Squid” with automatic startup. To start it run
net start squid from command line prompt or use the Services
Administrative Applet.
Always check the provided release notes for any version specific detail.
🔗 RedHat, RHEL
on which Squid is known to compile.
If you have a problem not listed above with a solution, mail us at
squid-dev what you are trying, your Squid version, and the problems
you encounter.
🔗 I see a lot warnings while compiling Squid.
Warnings are usually not usually a big concern, and can be common with
software designed to operate on multiple platforms. Squid 3.2 and later
should build without generating any warnings; a big effort was spent
into making the code truly portable.
🔗 undefined reference to __inet_ntoa
Probably you have bind 8.x installed.
UPDATE: That version of bind is now officially obsolete and known to
be vulnerable to a critical infrastructure flaw. It should be upgraded
to bind 9.x or replaced as soon as possible.
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