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| author | Rich Felker <dalias@aerifal.cx> | 2015-11-04 21:40:36 -0500 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2015-11-04 21:40:36 -0500 |
| commit | 6a851e3ab8a1ae524b2aa6218615ec1c86528e9c (patch) | |
| tree | cdd197834c833b4a5a050c7b2bb12826484e9397 /configure | |
| parent | 2efd38e8c70f00ca6bbc1eb5199aa507d45436cf (diff) | |
| download | musl-6a851e3ab8a1ae524b2aa6218615ec1c86528e9c.tar.gz musl-6a851e3ab8a1ae524b2aa6218615ec1c86528e9c.tar.xz musl-6a851e3ab8a1ae524b2aa6218615ec1c86528e9c.zip | |
have configure check/add --gc-sections linker option
this allowing the linker to drop certain weak definitions that are only used as dummies for static linking. they could be eliminated for shared library builds using the preprocessor instead, but we are trying to transition to using the same object files for shared and static libc, so a link-time solution is preferable.
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/configure b/configure index d04c860a..dece1d09 100755 --- a/configure +++ b/configure @@ -521,6 +521,10 @@ fi tryldflag LDFLAGS_AUTO -Wl,--sort-section,alignment tryldflag LDFLAGS_AUTO -Wl,--sort-common +# When linking shared library, drop dummy weak definitions that were +# replaced by strong definitions from other translation units. +tryldflag LDFLAGS_AUTO -Wl,--gc-sections + # Some patched GCC builds have these defaults messed up... tryldflag LDFLAGS_AUTO -Wl,--hash-style=both |