Fix FMT #6
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Fix FMT #6
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This change resulted in the type of FMT(...) being void when DEBUG is enabled, instead of char*. The libsnark compilation issue is actually unrelated to this, and should be resolved by removing the unnecessary "libff::" from libsnark source code when calling FMT, as macros cannot be namespaced. This reverts commit 693fcc6.
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Here's an accompanying pull request in libsnark |
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# This is the 1st commit message: bazel support, initial commit Signed-off-by: Gregg Reynolds <601396+mobileink@users.noreply.github.com> # This is the commit message scipr-lab#2: gitignore .bazelrc, bazel-* Signed-off-by: Gregg Reynolds <601396+mobileink@users.noreply.github.com> # This is the commit message scipr-lab#3: remove sha256 from rule_foreign_cc rule Signed-off-by: Gregg Reynolds <601396+mobileink@users.noreply.github.com> # This is the commit message scipr-lab#4: rename target ff to libff Signed-off-by: Gregg Reynolds <601396+mobileink@users.noreply.github.com> # This is the commit message scipr-lab#5: put curves/mnt/mnt4, 6 in separate packages Signed-off-by: Gregg Reynolds <601396+mobileink@users.noreply.github.com> # This is the commit message scipr-lab#6: bn128: drop "depends" from include prefix, for bazel compatibility Signed-off-by: Gregg Reynolds <601396+mobileink@users.noreply.github.com> # This is the commit message scipr-lab#7: fix refs to targets mnt4, mnt6, libff Signed-off-by: Gregg Reynolds <601396+mobileink@users.noreply.github.com> # This is the commit message scipr-lab#8: fix refs to @ate_pairing//:libgmp Signed-off-by: Gregg Reynolds <601396+mobileink@users.noreply.github.com> # This is the commit message scipr-lab#9: change @// to // Signed-off-by: Gregg Reynolds <601396+mobileink@users.noreply.github.com> # This is the commit message scipr-lab#10: delete obsolete mnt4, mnt6 targets from curves/mnt/BUILD.bazel Signed-off-by: Gregg Reynolds <601396+mobileink@users.noreply.github.com> # This is the commit message scipr-lab#11: add target scalar_multiplication:multiexp_profile Signed-off-by: Gregg Reynolds <601396+mobileink@users.noreply.github.com> # This is the commit message scipr-lab#12: list headers explicitly Signed-off-by: Gregg Reynolds <601396+mobileink@users.noreply.github.com> # This is the commit message scipr-lab#13: dead code elim Signed-off-by: Gregg Reynolds <601396+mobileink@users.noreply.github.com> # This is the commit message scipr-lab#14: dead code elim Signed-off-by: Gregg Reynolds <601396+mobileink@users.noreply.github.com> # This is the commit message scipr-lab#15: BUILD files: explicitate srcs/hdrs, DCE, buildifier reformat Signed-off-by: Gregg Reynolds <601396+mobileink@users.noreply.github.com> # This is the commit message scipr-lab#16: change @ate_pairing//:zm to @ate_pairing//ate-pairing Signed-off-by: Gregg Reynolds <601396+mobileink@users.noreply.github.com> # This is the commit message scipr-lab#17: switch obazl repos from local to git Signed-off-by: Gregg Reynolds <601396+mobileink@users.noreply.github.com> # This is the commit message scipr-lab#18: pin xbyak, ate-pairing repos to versions, to match upstream Signed-off-by: Gregg Reynolds <601396+mobileink@users.noreply.github.com> # This is the commit message scipr-lab#19: delete git submodules, not needed with Bazel Signed-off-by: Gregg Reynolds <601396+mobileink@users.noreply.github.com> # This is the commit message scipr-lab#20: add sha256 for xbyak, ate-pairing external repos Signed-off-by: Gregg Reynolds <601396+mobileink@users.noreply.github.com> # This is the commit message scipr-lab#21: remove xbyak dep - it's included in ate-pairing Signed-off-by: Gregg Reynolds <601396+mobileink@users.noreply.github.com> # This is the commit message scipr-lab#22: restore depends dirs Signed-off-by: Gregg Reynolds <601396+mobileink@users.noreply.github.com>
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There were two problems with the FMT macro:
it evaluated to values of different types (std::string or void) based on whether DEBUG was on, when it should always evaluate to a std::string
it could not be used outside of the libff namespace, because it would be expanded into UNUSED, which is a function inside the libff namespace
The latter is a bigger problem, because macros really don't play well with namespaces. But these changes at least make it possible to use FMT outside libff (e.g. in libsnark).