Beyond Linux® From Scratch （systemd 版） - 版本 g1798b28

第 42 章 Multimedia Libraries and Drivers

libmad-0.15.1b

Introduction to libmad

libmad is a high-quality MPEG audio decoder capable of 24-bit output.

[注意]

注意

Development versions of BLFS may not build or run some packages properly if LFS or dependencies have been updated since the most recent stable versions of the books.

Package Information

Additional Downloads

Installation of libmad

Install libmad by running the following commands: 

patch -Np1 -i ../libmad-0.15.1b-fixes-1.patch                &&
sed "s@AM_CONFIG_HEADER@AC_CONFIG_HEADERS@g" -i configure.ac &&
touch NEWS AUTHORS ChangeLog                                 &&
autoreconf -fi                                               &&

./configure --prefix=/usr --disable-static &&
make

This package does not come with a test suite.

Now, as the root user: 

make install

Some packages check for the pkg-config file for libmad. This file is particularly needed so that Cdrdao can recognize the installed libmad.

As the root user: 

cat > /usr/lib/pkgconfig/mad.pc << "EOF"
prefix=/usr
exec_prefix=${prefix}
libdir=${exec_prefix}/lib
includedir=${prefix}/include

Name: mad
Description: MPEG audio decoder
Requires:
Version: 0.15.1b
Libs: -L${libdir} -lmad
Cflags: -I${includedir}
EOF

Command Explanations

touch NEWS AUTHORS ChangeLog: Prevent autoreconf from returning an error.

--disable-static: This switch prevents installation of static versions of the libraries.

Contents

Installed Programs: None
Installed Library: libmad.so
Installed Directories: None

Short Descriptions

libmad.so

is a MPEG audio decoder library