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Merge bitcoin-core/secp256k1#1702: changelog: update

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40b4a06520 changelog: update (Jonas Nick)

Pull request description:

  This update includes all PRs that have a [`needs-changelog` tag](https://github.com/bitcoin-core/secp256k1/pulls?q=is%3Apr+is%3Aclosed+label%3Aneeds-changelog):

  - Make static context const #1639
  - include: remove WARN_UNUSED_RESULT for functions always returning 1 #1659
  - cmake: Bump minimum required CMake version to 3.22 #1675 #1675
  - added: cmake: add a helper for linking into static libs #1678
  - doc: Promote "Building with CMake" to standard procedure #1680
  - also added cmake: Emulate Libtool's behavior on FreeBSD #1685

  I had added the `needs-changelog` tag to #1685 because it seems noteworthy, but otherwise have not found any additional merged PR that would require a changelog entry.

  I'm not sure if the changelog entry for #1678 makes sense (CC theuni)

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2025-07-21 15:45:19 +02:00
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@@ -7,11 +7,27 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
## [Unreleased]
#### Added
- CMake: Added `secp256k1_objs` interface library to allow parent projects to embed libsecp256k1 object files into their own static libraries.
- build: Added `SECP256K1_NO_API_VISIBILITY_ATTRIBUTES` preprocessor flag (CMake option: `SECP256K1_ENABLE_API_VISIBILITY_ATTRIBUTES`) that disables explicit "visibility" attributes for API symbols. Defining this macro enables the user to control the visibility of the API symbols via `-fvisibility=<value>` when building libsecp256k1. (All non-API declarations will always have hidden visibility, even with `SECP256K1_ENABLE_API_VISIBILITY_ATTRIBUTES` defined.) For instance, `-fvisibility=hidden` can be useful even for the API symbols, e.g., when building a static libsecp256k1 which is linked into a shared library, and the latter should not re-export the libsecp256k1 API.
#### Changed
- The pointers `secp256k1_context_static` and `secp256k1_context_no_precomp` to the constant context object are now const.
- Removed `SECP256K1_WARN_UNUSED_RESULT` attribute (defined as `__attribute__ ((__warn_unused_result__))`) from several API functions that always return 1. Compilers will no longer warn if the return value is unused.
- CMake: Building with CMake is no longer considered experimental.
- CMake: The minimum required CMake version was increased to 3.22.
- CMake: Shared libraries built with CMake on FreeBSD now create the full versioned filename and symlink chain, matching the behavior of autotools builds.
#### Removed
- Removed previously deprecated function aliases `secp256k1_ec_privkey_negate`, `secp256k1_ec_privkey_tweak_add` and
`secp256k1_ec_privkey_tweak_mul`. Use `secp256k1_ec_seckey_negate`, `secp256k1_ec_seckey_tweak_add` and
`secp256k1_ec_seckey_tweak_mul` instead.
#### ABI Compatibility
The symbols `secp256k1_ec_privkey_negate`, `secp256k1_ec_privkey_tweak_add`, and `secp256k1_ec_privkey_tweak_mul` were removed.
The pointers `secp256k1_context_static` and `secp256k1_context_no_precomp` have been made const.
Otherwise, the library maintains backward compatibility with version 0.6.0.
## [0.6.0] - 2024-11-04
#### Added