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Ævar Arnfjörð Bjarmason dc1cf3580e Makefile & test-tool: replace "DC_SHA1" variable with a "define" Address the root cause of technical debt we've been carrying since sha1collisiondetection was made the default in [1]. In a preceding commit we narrowly fixed a bug where the "DC_SHA1" variable would be unset (in combination with "NO_APPLE_COMMON_CRYPTO=" on OSX), even though we had the sha1collisiondetection library enabled. But the only reason we needed to have such a user-exposed knob went away with [1], and it's been doing nothing useful since then. We don't care if you define DC_SHA1=*, we only care that you don't ask for any other SHA-1 implementation. If it turns out that you didn't, we'll use sha1collisiondetection, whether you had "DC_SHA1" set or not. As a result of this being confusing we had e.g. [2] for cmake and the recent [3] for ci/lib.sh setting "DC_SHA1" explicitly, even though this was always a NOOP. A much simpler way to do this is to stop having the Makefile and CMakeLists.txt set "DC_SHA1" to be picked up by the test-lib.sh, let's instead add a trivial "test-tool sha1-is-sha1dc". It returns zero if we're using sha1collisiondetection, non-zero otherwise. 1. `e6b07da278` (Makefile: make DC_SHA1 the default, 2017-03-17) 2. `c4b2f41b5f` (cmake: support for testing git with ctest, 2020-06-26) 3. `1ad5c3df35` (ci: use DC_SHA1=YesPlease on osx-clang job for CI, 2022-10-20) Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Taylor Blau <me@ttaylorr.com>		2 years ago
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Generators	reftable: utility functions	3 years ago
CMakeLists.txt	Makefile & test-tool: replace "DC_SHA1" variable with a "define"	2 years ago
Generators.pm	…
engine.pl	ci(vs-build): stop passing the iconv library location explicitly	4 years ago
generate	…
parse.pl	…