[Rpm-maint] [rpm-software-management/rpm] Error if a macro in a comment is expanded to multiple lines (#124)

[MyungJoo Ham]

Multi-line macro expansion in a comment has side effects
as mentioned in the PR #123. However, because there are
cases where a macro is needed to be expanded at a line
starting with # (e.g., shebang), let's emit an error
in a case where it is expected to cause side effects while
we do not expect to have any useful effects.

Related issue: #121

This is an alternative to #123 according to the comment from
@pmatilai in #123.

Signed-off-by: MyungJoo Ham <myungjoo.ham at samsung.com>
You can view, comment on, or merge this pull request online at:

  https://github.com/rpm-software-management/rpm/pull/124

-- Commit Summary --

  * Error if a macro in a comment is expanded to multiple lines

-- File Changes --

    M build/parseSpec.c (14)

-- Patch Links --

https://github.com/rpm-software-management/rpm/pull/124.patch
https://github.com/rpm-software-management/rpm/pull/124.diff

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