Add the openal-config manpage.
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+.TH openal-config 1 "@DATE@" "@PACKAGE_VERSION@"
+.SH NAME
+openal-config \- script to get information about the installed version of OpenAL
+.SH SYNOPSIS
+.B openal-config
+[ \-\-prefix=\fIDIR\fR ]
+[ \-\-exec-prefix=\fIDIR\fR ]
+[ \-\-version ] [ \-\-cflags ] [ \-\-libs ]
+.SH DESCRIPTION
+.B openal-config
+is a tool that is used to configure and determine the compiler and linker flags
+that should be used to compile and link programs and libraries that use OpenAL.
+.SH OPTIONS
+.TP
+.B \-\-cflags
+Print the compiler flags that are necessary to compile a program or library that
+uses OpenAL.
+.TP
+.BI \-\-exec\-prefix= DIR
+If specified, use \fIDIR\fR instead of the installation exec prefix that OpenAL
+was built with when computing the output for the \-\-cflags and \-\-libs
+options. This option must be specified before any of the \-\-cflags and \-\-libs
+options.
+.TP
+.B \-\-libs
+Print the linker flags that are necessary to link a program or library that uses
+OpenAL.
+.TP
+.BI \-\-prefix= DIR
+If specified, use \fIDIR\fR instead of the installation prefix that OpenAL was
+built with when computing the output for the \-\-cflags and \-\-libs options.
+If \-\-exec\-prefix was not specified, \fIDIR\fR is also used as exec prefix.
+This option must be specified before any of the \-\-cflags and \-\-libs options.
+.TP
+.B \-\-version
+Prints the currently installed version of OpenAL on standard output.
+.SH EXAMPLES
+.PP
+To compile a C source file for use in an executable program that uses OpenAL,
+type a command like this:
+.IP
+.B gcc $(openal\-config \-\-cflags) \-c main.c \-o main.o
+.PP
+To link the resulting object file into an executable program, use a command like
+the following:
+.IP
+.B gcc \-o my_app main.o util.o $(openal\-config \-\-libs)
+.SH AUTHOR
+OpenAL was written by Juan Carlos Arevalo Baeza, Jonathan Blow, Keith Charley,
+Scott Draeker, John Grantham, Jacob Hawley, Garin Hiebert, Carlos Hasan, Nathan
+Hill, Bill Huey, Mike Jarosch, Jean-Marc Jot, Maxim Kizub, John Kraft, Bernd
+Kreimeier, Ian Ollmann, Rick Overman, Sean L. Palmer, Sven Panne, Pierre
+Phaneuf, Terry Sikes, Joseph Valenzuela, Michael Vance, Carlo Vogelsang, and
+Chris Robinson.
+.PP
+This manual page was written by Thierry Reding for the Debian Project (but may
+be used by others).