Build fails: error: a template argument list is expected after a name prefixed by the template keyword

[yurivict]

[  4% 10/84] /usr/local/libexec/ccache/c++ -DPROXSUITE_VECTORIZE -I/usr/ports/math/py-proxsuite/work-py311/.build -I/usr/ports/math/py-proxsuite/work-py311/.build/include -I/usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/include -I/usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/test/./include -isystem /usr/local/include/eigen3 -isystem /usr/local/include -pedantic -Wno-long-long -Wall -Wextra -Wcast-align -Wcast-qual -Wformat -Wwrite-strings -Wconversion -O2 -pipe -fstack-protector-strong -fno-strict-aliasing -O2 -pipe -fstack-protector-strong -fno-strict-aliasing   -DNDEBUG -std=gnu++17 -MD -MT test/CMakeFiles/proxsuite-test-util.dir/src/util_f64.cpp.o -MF test/CMakeFiles/proxsuite-test-util.dir/src/util_f64.cpp.o.d -o test/CMakeFiles/proxsuite-test-util.dir/src/util_f64.cpp.o -c /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/test/src/util_f64.cpp
FAILED: test/CMakeFiles/proxsuite-test-util.dir/src/util_f64.cpp.o 
/usr/local/libexec/ccache/c++ -DPROXSUITE_VECTORIZE -I/usr/ports/math/py-proxsuite/work-py311/.build -I/usr/ports/math/py-proxsuite/work-py311/.build/include -I/usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/include -I/usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/test/./include -isystem /usr/local/include/eigen3 -isystem /usr/local/include -pedantic -Wno-long-long -Wall -Wextra -Wcast-align -Wcast-qual -Wformat -Wwrite-strings -Wconversion -O2 -pipe -fstack-protector-strong -fno-strict-aliasing -O2 -pipe -fstack-protector-strong -fno-strict-aliasing   -DNDEBUG -std=gnu++17 -MD -MT test/CMakeFiles/proxsuite-test-util.dir/src/util_f64.cpp.o -MF test/CMakeFiles/proxsuite-test-util.dir/src/util_f64.cpp.o.d -o test/CMakeFiles/proxsuite-test-util.dir/src/util_f64.cpp.o -c /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/test/src/util_f64.cpp
In file included from /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/test/src/util_f64.cpp:1:
In file included from /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/test/./include/util_f64.hpp:3:
In file included from /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/include/proxsuite/proxqp/utils/random_qp_problems.hpp:10:
In file included from /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/include/proxsuite/proxqp/dense/views.hpp:10:
In file included from /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/include/proxsuite/linalg/veg/type_traits/core.hpp:5:
In file included from /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/include/proxsuite/linalg/veg/internal/integer_seq.hpp:5:
/usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/include/proxsuite/linalg/veg/internal/macros.hpp:1096:1: warning: user-defined literal suffixes containing '__' are reserved; no literal will invoke this operator [-Wuser-defined-literals]
 1096 | operator""__veglib_const_literal_gnuc() noexcept // NOLINT
      | ^
In file included from /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/test/src/util_f64.cpp:1:
In file included from /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/test/./include/util_f64.hpp:3:
In file included from /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/include/proxsuite/proxqp/utils/random_qp_problems.hpp:11:
In file included from /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/include/proxsuite/proxqp/dense/model.hpp:11:
In file included from /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/include/proxsuite/proxqp/sparse/model.hpp:9:
In file included from /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/include/proxsuite/linalg/sparse/core.hpp:8:
In file included from /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/include/proxsuite/linalg/veg/slice.hpp:7:
/usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/include/proxsuite/linalg/veg/tuple.hpp:762:26: error: a template argument list is expected after a name prefixed by the template keyword [-Wmissing-template-arg-list-after-template-kw]
  762 |     return cat::template from_ref_to_result(
      |                          ^
1 warning and 1 error generated.
[  5% 10/84] /usr/local/libexec/ccache/c++ -DPROXSUITE_VECTORIZE -I/usr/ports/math/py-proxsuite/work-py311/.build -I/usr/ports/math/py-proxsuite/work-py311/.build/include -I/usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/include -I/usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/test/./include -isystem /usr/local/include/eigen3 -isystem /usr/local/include -pedantic -Wno-long-long -Wall -Wextra -Wcast-align -Wcast-qual -Wformat -Wwrite-strings -Wconversion -O2 -pipe -fstack-protector-strong -fno-strict-aliasing -O2 -pipe -fstack-protector-strong -fno-strict-aliasing   -DNDEBUG -std=gnu++17 -MD -MT test/CMakeFiles/proxsuite-test-util.dir/src/util_f32.cpp.o -MF test/CMakeFiles/proxsuite-test-util.dir/src/util_f32.cpp.o.d -o test/CMakeFiles/proxsuite-test-util.dir/src/util_f32.cpp.o -c /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/test/src/util_f32.cpp
FAILED: test/CMakeFiles/proxsuite-test-util.dir/src/util_f32.cpp.o 
/usr/local/libexec/ccache/c++ -DPROXSUITE_VECTORIZE -I/usr/ports/math/py-proxsuite/work-py311/.build -I/usr/ports/math/py-proxsuite/work-py311/.build/include -I/usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/include -I/usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/test/./include -isystem /usr/local/include/eigen3 -isystem /usr/local/include -pedantic -Wno-long-long -Wall -Wextra -Wcast-align -Wcast-qual -Wformat -Wwrite-strings -Wconversion -O2 -pipe -fstack-protector-strong -fno-strict-aliasing -O2 -pipe -fstack-protector-strong -fno-strict-aliasing   -DNDEBUG -std=gnu++17 -MD -MT test/CMakeFiles/proxsuite-test-util.dir/src/util_f32.cpp.o -MF test/CMakeFiles/proxsuite-test-util.dir/src/util_f32.cpp.o.d -o test/CMakeFiles/proxsuite-test-util.dir/src/util_f32.cpp.o -c /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/test/src/util_f32.cpp
In file included from /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/test/src/util_f32.cpp:1:
In file included from /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/test/./include/util_f64.hpp:3:
In file included from /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/include/proxsuite/proxqp/utils/random_qp_problems.hpp:10:
In file included from /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/include/proxsuite/proxqp/dense/views.hpp:10:
In file included from /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/include/proxsuite/linalg/veg/type_traits/core.hpp:5:
In file included from /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/include/proxsuite/linalg/veg/internal/integer_seq.hpp:5:
/usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/include/proxsuite/linalg/veg/internal/macros.hpp:1096:1: warning: user-defined literal suffixes containing '__' are reserved; no literal will invoke this operator [-Wuser-defined-literals]
 1096 | operator""__veglib_const_literal_gnuc() noexcept // NOLINT
      | ^
In file included from /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/test/src/util_f32.cpp:1:
In file included from /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/test/./include/util_f64.hpp:3:
In file included from /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/include/proxsuite/proxqp/utils/random_qp_problems.hpp:11:
In file included from /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/include/proxsuite/proxqp/dense/model.hpp:11:
In file included from /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/include/proxsuite/proxqp/sparse/model.hpp:9:
In file included from /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/include/proxsuite/linalg/sparse/core.hpp:8:
In file included from /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/include/proxsuite/linalg/veg/slice.hpp:7:
/usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/include/proxsuite/linalg/veg/tuple.hpp:762:26: error: a template argument list is expected after a name prefixed by the template keyword [-Wmissing-template-arg-list-after-template-kw]
  762 |     return cat::template from_ref_to_result(
      |                          ^
1 warning and 1 error generated.
[  7% 10/84] /usr/local/libexec/ccache/c++ -DPROBLEM_PATH=\"/usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/test\" -DPROXSUITE_VECTORIZE -I/usr/ports/math/py-proxsuite/work-py311/.build -I/usr/ports/math/py-proxsuite/work-py311/.build/include -I/usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/include -I/usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/test/./doctest -I/usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/test/./include -isystem /usr/local/include/eigen3 -isystem /usr/local/include -pedantic -Wno-long-long -Wall -Wextra -Wcast-align -Wcast-qual -Wformat -Wwrite-strings -Wconversion -O2 -pipe -fstack-protector-strong -fno-strict-aliasing -O2 -pipe -fstack-protector-strong -fno-strict-aliasing   -DNDEBUG -std=gnu++17 -MD -MT test/CMakeFiles/proxsuite-test-cpp-dense_ruiz_equilibration.dir/src/dense_ruiz_equilibration.cpp.o -MF test/CMakeFiles/proxsuite-test-cpp-dense_ruiz_equilibration.dir/src/dense_ruiz_equilibration.cpp.o.d -o test/CMakeFiles/proxsuite-test-cpp-dense_ruiz_equilibration.dir/src/dense_ruiz_equilibration.cpp.o -c /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/test/src/dense_ruiz_equilibration.cpp
FAILED: test/CMakeFiles/proxsuite-test-cpp-dense_ruiz_equilibration.dir/src/dense_ruiz_equilibration.cpp.o 
/usr/local/libexec/ccache/c++ -DPROBLEM_PATH=\"/usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/test\" -DPROXSUITE_VECTORIZE -I/usr/ports/math/py-proxsuite/work-py311/.build -I/usr/ports/math/py-proxsuite/work-py311/.build/include -I/usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/include -I/usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/test/./doctest -I/usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/test/./include -isystem /usr/local/include/eigen3 -isystem /usr/local/include -pedantic -Wno-long-long -Wall -Wextra -Wcast-align -Wcast-qual -Wformat -Wwrite-strings -Wconversion -O2 -pipe -fstack-protector-strong -fno-strict-aliasing -O2 -pipe -fstack-protector-strong -fno-strict-aliasing   -DNDEBUG -std=gnu++17 -MD -MT test/CMakeFiles/proxsuite-test-cpp-dense_ruiz_equilibration.dir/src/dense_ruiz_equilibration.cpp.o -MF test/CMakeFiles/proxsuite-test-cpp-dense_ruiz_equilibration.dir/src/dense_ruiz_equilibration.cpp.o.d -o test/CMakeFiles/proxsuite-test-cpp-dense_ruiz_equilibration.dir/src/dense_ruiz_equilibration.cpp.o -c /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/test/src/dense_ruiz_equilibration.cpp
In file included from /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/test/src/dense_ruiz_equilibration.cpp:8:
In file included from /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/include/proxsuite/proxqp/dense/dense.hpp:8:
In file included from /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/include/proxsuite/proxqp/dense/wrapper.hpp:10:
In file included from /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/include/proxsuite/proxqp/sparse/wrapper.hpp:10:
In file included from /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/include/proxsuite/proxqp/results.hpp:12:
In file included from /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/include/proxsuite/linalg/veg/type_traits/core.hpp:5:
In file included from /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/include/proxsuite/linalg/veg/internal/integer_seq.hpp:5:
/usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/include/proxsuite/linalg/veg/internal/macros.hpp:1096:1: warning: user-defined literal suffixes containing '__' are reserved; no literal will invoke this operator [-Wuser-defined-literals]
 1096 | operator""__veglib_const_literal_gnuc() noexcept // NOLINT
      | ^
In file included from /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/test/src/dense_ruiz_equilibration.cpp:8:
In file included from /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/include/proxsuite/proxqp/dense/dense.hpp:8:
In file included from /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/include/proxsuite/proxqp/dense/wrapper.hpp:10:
In file included from /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/include/proxsuite/proxqp/sparse/wrapper.hpp:10:
In file included from /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/include/proxsuite/proxqp/results.hpp:13:
In file included from /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/include/proxsuite/linalg/veg/vec.hpp:8:
In file included from /usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/include/proxsuite/linalg/veg/slice.hpp:7:
/usr/ports/math/py-proxsuite/work-py311/proxsuite-0.7.1/include/proxsuite/linalg/veg/tuple.hpp:762:26: error: a template argument list is expected after a name prefixed by the template keyword [-Wmissing-template-arg-list-after-template-kw]
  762 |     return cat::template from_ref_to_result(
      |                          ^
1 warning and 1 error generated.

Version: 0.7.1
Python-3.11
clang-19
FreeBSD 14.2

[jcarpent]

Dear @yurivict,

Thanks for raising this issue.
It seems that the issue is coming from clang-19: llvm/llvm-project#94049
This issue has been fixed in #379.

We will make a new release soon.

[jcarpent]

Solved in 0.7.2 just released.