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When running e.g. check_symbols with extra flags like when checking for vpx_codec_dec_init_ver when building against system libvpx, in some configurations, the test can fail when the library flags (-l) appear before the source file path. The reason is that in some configurations, the compiler passes --as-needed to the linker before both the flags and the object file path, and the object file path is in the same position as the source file path was. With --as-needed, -l flags are dropped if the library wasn't needed for any of the linked code that appears *before* the flag. So linking with `--as-needed -lfoo foo.o`, is equivalent to linking with `foo.o` only in practice, while `--as-needed foo.o -lfoo` is equivalent to `foo.o -lfoo`. Differential Revision: https://phabricator.services.mozilla.com/D71456 |
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| .. | ||
| android-ndk.configure | ||
| android-sdk.configure | ||
| arm.configure | ||
| bindgen.configure | ||
| checks.configure | ||
| compile-checks.configure | ||
| compilers-util.configure | ||
| flags.configure | ||
| headers.configure | ||
| init.configure | ||
| java.configure | ||
| keyfiles.configure | ||
| lto-pgo.configure | ||
| memory.configure | ||
| node.configure | ||
| old.configure | ||
| pkg.configure | ||
| rust.configure | ||
| toolchain.configure | ||
| tup.configure | ||
| util.configure | ||
| warnings.configure | ||
| windows.configure | ||