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if(CMAKE_CXX_COMPILER_ID MATCHES "PGI" OR CMAKE_CXX_COMPILER_ID MATCHES "NVHPC")
set(NMODL_PGI_COMPILER TRUE)
# CMake adds standard complaint PGI flag "-A" which breaks compilation of of spdlog and fmt
set(CMAKE_CXX14_STANDARD_COMPILE_OPTION --c++14)
# Avoid errors related to "excessive recursion at instantiation of function ...", Eigen-related
# (in accelerated regions), e.g., transposeInPlace()
list(APPEND NMODL_EXTRA_CXX_FLAGS "-Wc,--pending_instantiations=0")
# ~~~
# PGI enables number of diagnostic messages by default classes which results into thousands of
# messages specifically for AST. Disable these verbose warnings for now.
# TODO : fix these warnings from template modification (#272)
# ~~~
if(${CMAKE_CXX_COMPILER_VERSION} VERSION_LESS 20.7)
set(NMODL_COMPILER_WARNING_SUPPRESSIONS --diag_suppress=1,82,111,115,177,186,611,997,1097,1625)
else()
# https://forums.developer.nvidia.com/t/many-all-diagnostic-numbers-increased-by-1-from-previous-values/146268/3
# changed the numbering scheme in newer versions. The following list is from a clean start 13
# August 2021. It would clearly be nicer to apply these suppressions only to relevant files.
# Examples of the suppressed warnings are given below.
# ~~~
# "ext/spdlog/include/spdlog/fmt/fmt.h", warning #1-D: last line of file ends without a newline
# "ext/fmt/include/fmt/format.h", warning #111-D: statement is unreachable
# "ext/fmt/include/fmt/format.h", warning #128-D: loop is not reachable
# "ext/spdlog/include/spdlog/fmt/bundled/format.h", warning #185-D: dynamic initialization in unreachable code
# "ext/json/json.hpp", warning #186-D: pointless comparison of unsigned integer with zero
# "src/ast/all.hpp", warning #998-D: function "..." is hidden by "..." -- virtual function override intended?
# "ext/spdlog/include/spdlog/fmt/bundled/format.h", warning #1098-D: unknown attribute "fallthrough"
# "ext/pybind11/include/pybind11/detail/common.h", warning #1626-D: routine is both "inline" and "noinline"
# "ext/spdlog/include/spdlog/fmt/bundled/core.h", warning #1676-D: unrecognized GCC pragma
# ~~~
# The following warnings do not seem to be suppressible with --diag_suppress:
# ~~~
# "src/codegen/codegen_cuda_visitor.cpp", NVC++-W-0277-Cannot inline function - data type mismatch
# "nvc++IkWUbMugiSgNH.s: Warning: stand-alone `data16' prefix
# ~~~
# The situation may be better once https://github.com/fmtlib/fmt/pull/2582 is included in a
# release.
set(NMODL_COMPILER_WARNING_SUPPRESSIONS --diag_suppress=1,111,128,185,186,998,1098,1626,1676)
# There are a few more warnings produced by the unit test infrastructure.
# ~~~
# "test/unit/visitor/constant_folder.cpp", warning #177-D: variable "..." was declared but never referenced
# ~~~
set(NMODL_TESTS_COMPILER_WARNING_SUPPRESSIONS --diag_suppress=177)
endif()
endif()
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