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
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
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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