buildflags.md: Mentioned that annobin is only on for gcc

Based on Fedora commit 23e5f0dbd6.
Adjusted for the lack of armhfp downstream.

Related: #2005080
This commit is contained in:
Florian Weimer 2021-11-15 15:58:09 +01:00
parent 7e8a277485
commit ca2114d8e5

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@ -313,8 +313,9 @@ command line. It adds the following flag to the command line:
To support [binary watermarks for ELF
objects](https://fedoraproject.org/wiki/Toolchain/Watermark) using
annobin, the `-specs=/usr/lib/rpm/redhat/redhat-annobin-cc1` flag is
added by default. This can be switched off by undefining the
`%_annotated_build` RPM macro (see above).
added by default (with the `gcc` toolchain). This can be switched off
by undefining the `%_annotated_build` RPM macro (see above). Binary
watermarks are currently disabled with the `clang` toolchain.
### Architecture-specific compiler flags