Contents
Installed Programs:
unifdef and unifdefall
Installed Libraries:
None
Installed Directories:
None
Introduction to unifdef
The unifdef package contains a utility that is useful for removing preprocessor conditionals from code.
![[Note]](../images/note.png)
Note
This version of BLFS may not build or run some packages properly if LFS or dependencies have been updated since the most recent stable version of the System V books.
Package Information
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Download (HTTP): https://dotat.at/prog/unifdef/unifdef-2.12.tar.gz
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Download MD5 sum: b225312c110cd2600ca7166bd0419751
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Download size: 88 KB
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Estimated disk space required: 1.9 MB
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Estimated build time: less than 0.1 SBU
Installation of unifdef
First, fix a problem when building with gcc-15:
sed -i 's/constexpr/unifdef_&/g' unifdef.c
Now fix a problem if reinstalling the package:
sed -i 's/ln -s/ln -sf/' Makefile
Install unifdef by running the following commands:
make
To test the results, issue: make test.
Finally, finish the installation as the root user:
make prefix=/usr install