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Building and Installing OpenPrinting CUPS

This file describes how to compile and install CUPS from source code. For more information on CUPS see the file called README.md.

Using CUPS requires additional third-party support software and printer drivers. These are typically included with your operating system distribution.

Before You Begin

You'll need ANSI-compliant C and C++ compilers, plus a make program and POSIX- compliant shell (/bin/sh). The GNU compiler tools and Bash work well and we have tested the current CUPS code against several versions of Clang and GCC with excellent results.

The makefiles used by the project should work with POSIX-compliant versions of make. We've tested them with GNU make as well as several vendor make programs. BSD users should use GNU make (gmake) since BSD make is not POSIX-compliant and does not support the include directive.

Besides these tools you'll want ZLIB for compression support, Avahi for mDNS support, LIBUSB for USB printing support, the GNU TLS, LibreSSL, or OpenSSL libraries for encryption support on platforms other than iOS, macOS, or Windows, and PAM for authentication support. CUPS will compile and run without these, however you'll miss out on many of the features provided by CUPS.

Note: Kerberos support is deprecated starting with CUPS 2.4.0 and will be removed in a future version of CUPS. To build CUPS with Kerberos support, specify the "--enable-gssapi" configure option below.

On a stock Ubuntu install, the following command will install the required prerequisites:

sudo apt-get install autoconf build-essential libavahi-client-dev \
     libgnutls28-dev libkrb5-dev libnss-mdns libpam-dev \
     libsystemd-dev libusb-1.0-0-dev zlib1g-dev

For Fedora you can install these packages:

sudo dnf install autoconf make automake gcc gcc-c++ krb5-devel avahi-devel \
     gnutls-devel krb5-libs nss-mdns pam-devel \
     systemd-devel libusb1-devel zlib-devel

Configuration

CUPS uses GNU autoconf, so you should find the usual "configure" script in the main CUPS source directory. To configure CUPS for your system, type:

./configure

The default installation will put the CUPS software in the "/etc", "/usr", and "/var" directories on your system, which will overwrite any existing printing commands on your system. Use the --prefix option to install the CUPS software in another location:

./configure --prefix=/some/directory

To see a complete list of configuration options, use the --help option:

./configure --help

If any of the dependent libraries are not installed in a system default location (typically "/usr/include" and "/usr/lib") you'll need to set the CFLAGS, CPPFLAGS, CXXFLAGS, DSOFLAGS, and LDFLAGS environment variables prior to running configure:

setenv CFLAGS "-I/some/directory"
setenv CPPFLAGS "-I/some/directory"
setenv CXXFLAGS "-I/some/directory"
setenv DSOFLAGS "-L/some/directory"
setenv LDFLAGS "-L/some/directory"
./configure ...

or:

CFLAGS="-I/some/directory" \
CPPFLAGS="-I/some/directory" \
CXXFLAGS="-I/some/directory" \
DSOFLAGS="-L/some/directory" \
LDFLAGS="-L/some/directory" \
./configure ...

The --enable-debug option compiles CUPS with debugging information enabled. Additional debug logging support can be enabled using the --enable-debug-printfs option - these debug messages are enabled using the CUPS_DEBUG_xxx environment variables at run-time.

CUPS also includes an extensive set of unit tests that can be used to find and diagnose a variety of common problems - use the "--enable-unit-tests" configure option to run them at build time.

Once you have configured things, just type:

make

or if you have FreeBSD, NetBSD, or OpenBSD type:

gmake

to build the software.

Testing the Software

Aside from the built-in unit tests, CUPS includes an automated test framework for testing the entire printing system. To run the tests, just type:

make test

or if you have FreeBSD, NetBSD, or OpenBSD type:

gmake test

The test framework runs a copy of the CUPS scheduler (cupsd) on port 8631 in "/tmp/cups-$USER" and produces a nice HTML report of the results.

Installing the Software

Once you have built the software you need to install it. The "install" target provides a quick way to install the software on your local system:

make install

or for FreeBSD, NetBSD, or OpenBSD:

gmake install

Use the BUILDROOT variable to install to an alternate root directory:

make BUILDROOT=/some/other/root/directory install

You can also build binary packages that can be installed on other machines using the RPM spec file ("packaging/cups.spec") or EPM list file ("packaging/cups.list"). The latter also supports building of binary RPMs, so it may be more convenient to use.

You can find the RPM software at http://www.rpm.org/.

The EPM software is available at https://jimjag.github.io/epm/.

Creating Binary Distributions With Epm

The top level makefile supports generation of many types of binary distributions using EPM. To build a binary distribution type:

make FORMAT

gmake FORMAT

for FreeBSD, NetBSD, and OpenBSD. The "FORMAT" target is one of the following:

"epm": Builds a script + tarfile package
"bsd": Builds a *BSD package
"deb": Builds a Debian package
"pkg": Builds a Solaris package
"rpm": Builds a RPM package
"slackware": Build a Slackware package

Getting Debug Logging From CUPS

When configured with the --enable-debug-printfs option, CUPS compiles in additional debug logging support in the scheduler, CUPS API, and CUPS Imaging API. The following environment variables are used to enable and control debug logging:

CUPS_DEBUG_FILTER: Specifies a POSIX regular expression to control which messages are logged.
CUPS_DEBUG_LEVEL: Specifies a number from 0 to 9 to control the verbosity of the logging. The default level is 1.
CUPS_DEBUG_LOG: Specifies a log file to use. Specify the name "-" to send the messages to stderr. Prefix a filename with "+" to append to an existing file. You can include a single "%d" in the filename to embed the current process ID.

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