Date: Fri, 13 Mar 2026 08:27:32 +0000 From: Dimitry Andric <dim@FreeBSD.org> To: ports-committers@FreeBSD.org, dev-commits-ports-all@FreeBSD.org, dev-commits-ports-main@FreeBSD.org Subject: git: 8adee5d27253 - main - math/symengine: fix build with libc++ 21 Message-ID: <69b3ca74.37d4f.57bcf0f3@gitrepo.freebsd.org>
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The branch main has been updated by dim: URL: https://cgit.FreeBSD.org/ports/commit/?id=8adee5d2725328f88639daca828779689301bd92 commit 8adee5d2725328f88639daca828779689301bd92 Author: Dimitry Andric <dim@FreeBSD.org> AuthorDate: 2026-02-17 10:28:31 +0000 Commit: Dimitry Andric <dim@FreeBSD.org> CommitDate: 2026-03-13 08:27:02 +0000 math/symengine: fix build with libc++ 21 With libc++ 21 math/symengine fails to build, with errors similar to: In file included from /wrkdirs/usr/ports/math/symengine/work/symengine-0.14.0/cmake/checkcxx11.cpp:1: In file included from /usr/include/c++/v1/unordered_map:589: In file included from /usr/include/c++/v1/__algorithm/is_permutation.h:13: In file included from /usr/include/c++/v1/__algorithm/comp.h:14: In file included from /usr/include/c++/v1/__type_traits/is_integral.h:14: /usr/include/c++/v1/__type_traits/remove_cv.h:22:32: error: unknown type name '__remove_cv'; did you mean 'remove_cv'? using type _LIBCPP_NODEBUG = __remove_cv(_Tp); ^ /usr/include/c++/v1/__type_traits/remove_cv.h:21:35: note: 'remove_cv' declared here struct _LIBCPP_NO_SPECIALIZATIONS remove_cv { ^ This is because libc++ 21 does not officially support clang < 19, and even though I added quite a few patches to libc++ 21 to non-officially support older gcc and clang versions, I never managed to make it support clang 15 or gcc 12. It seems that either removing the USES=llvm:min=15,max=15 fixes this problem, as it then compiles with the default llvm 19. Alternatively, the minimum version could be bumped to at least 16. PR: 293246 Approved by: maintainer timeout (2 weeks) MFH: 2026Q1 --- math/symengine/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/math/symengine/Makefile b/math/symengine/Makefile index 3d2e4a266f3d..5b3e422ace25 100644 --- a/math/symengine/Makefile +++ b/math/symengine/Makefile @@ -16,7 +16,7 @@ LIB_DEPENDS= libboost_serialization.so:devel/boost-libs \ libgmp.so:math/gmp \ libzstd.so:archivers/zstd -USES= cmake compiler:c++14-lang llvm:min=15,max=15 +USES= cmake compiler:c++14-lang USE_GITHUB= yes USE_LDCONFIG= yeshome | help
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