6.2. M4-1.4.18

The M4 package contains a macro processor.

Approximate build time: 0.1 SBU

Required disk space: 22 MB

6.2.1. Installation of M4

First, make some fixes introduced by glibc-2.28:

sed -i 's/IO_ftrylockfile/IO_EOF_SEEN/' lib/*.c
echo "#define _IO_IN_BACKUP 0x100" >> lib/stdio-impl.h

Prepare M4 for compilation:

./configure --prefix=/usr   \
            --host=$LFS_TGT \
            --build=$(build-aux/config.guess)

Compile the package:

make

Install the package:

make DESTDIR=$LFS install

Details on this package are located in Section 8.11.2, “Contents of M4.”