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Add description of comments in spec documentation

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Pavlina Moravcova Varekova 2019-09-10 12:11:39 +02:00 committed by Panu Matilainen
parent 07be45f202
commit 22c26c7444
1 changed files with 22 additions and 0 deletions
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doc/manual/spec
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@ -214,6 +214,28 @@ can express this as
BuildConflicts: gcc <= 2.7.2.1 BuildConflicts: gcc <= 2.7.2.1
\endverbatim \endverbatim
\section comments Comments
Comments in spec file have # at the start of the line.
\verbatim
# this is a comment
\endverbatim
Macros are expanded even in comment lines. If this is undesireable, escape
the macro with an extra percent sign (%):
\verbatim
# make unversioned %%__python an error unless explicitly overridden
\endverbatim
Another option is to use built-in macro %dnl that discards text to next
line without expanding it.
\verbatim
%dnl make unversioned %__python an error unless explicitly overridden
\endverbatim
\section conditionals Conditionals \section conditionals Conditionals
RPM's spec file format allows conditional blocks of code to be used RPM's spec file format allows conditional blocks of code to be used