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fix: add backticks to variable

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The word "then" was added because it would be hard to read otherwise, since there are two `...` siblings as in `a.b` `b`.
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iampi31415 2025-07-08 10:17:06 +01:00 • committed by GitHub
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content/posts/elf-linkage/index.md
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@ -112,7 +112,7 @@ Libraries (both static and dynamic) behave similar to object files. They are rea
Except for libraries, the linker is lazy. If a library does *not satisfy any currently undefined symbols*, it's *not* read at all. Except for libraries, the linker is lazy. If a library does *not satisfy any currently undefined symbols*, it's *not* read at all.
So for example, if instead of `b.o` we had `libb.a` linked in via `-lb`, the library would be linked in, as it can provide the `dependency` symbol. So for example, if instead of `b.o` we had `libb.a` linked in via `-lb`, the library would be linked in, as it can provide the `dependency` symbol.
But if we instead did `ld -lb a.o`, b would be skipped, and then `a.o` would be read, and the `dependency` symbol would be unsatisfied! But if we instead did `ld -lb a.o`, then `b` would be skipped, and then `a.o` would be read, and the `dependency` symbol would be unsatisfied!
To get around this, we always need to ensure that we provide each library and object file before its dependencies, so passing the dependency tree in a preorder/topologically sorted order, if you're into that terminology. To get around this, we always need to ensure that we provide each library and object file before its dependencies, so passing the dependency tree in a preorder/topologically sorted order, if you're into that terminology.