rpms/redhat-rpm-config
7
0
Fork 0
Code Issues Pull Requests Releases Activity

Document the use of -Wl,z,lazy

Browse Source
This commit is contained in:
Florian Weimer 2018-02-24 21:46:59 +01:00
parent a4ec7ec768
commit 0448c23b73
1 changed files with 11 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
buildflags.md
View File

@ -72,6 +72,17 @@ It is possible to set RPM macros to change some aspects of the
compiler flags. Changing these flags should be used as a last
recourse if other workarunds are not available.
### Lazy binding
If your package depends on the semantics of lazy binding (e.g., it has
plugins which load additional plugins to complete their dependencies,
before which some referenced functions are undefined), you should put
`-Wl,-z,lazy` at the end of the `LDFLAGS` setting when linking objects
which have such requirements. Under these circumstances, it is
unnecessary to disable hardened builds (and thus lose full ASLR for
executables), or link everything without `-Wl,z,now` (non-lazy
binding).
### Hardened builds
By default, the build flags enable fully hardened builds. To change