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problem: using -errwarn on non-Sun systems

Browse Source 
solution: only use `-errwarn` on SunPro systems

For example, using Clang on Alpine, this just results in build spam, and
the option is incorrectly passed through to ld, which trys to use use it
(`-e`) as an entrypoint, i.e:
```bash
[ 28%] Building CXX object CMakeFiles/local_lat.dir/perf/local_lat.cpp.o
clang++: warning: -e rrwarn=%all: 'linker' input unused [-Wunused-command-line-argument]
[ 29%] Linking CXX executable bin/local_lat
/usr/bin/ld: warning: cannot find entry symbol rrwarn=%all; defaulting to 0000000000000cf0
[ 29%] Built target local_lat
```
This commit is contained in:
fanquake 2024-07-08 14:59:43 +01:00 committed by Luca Boccassi
parent de290e91e3
commit d203ad2b7a
1 changed files with 1 additions and 1 deletions
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2
CMakeLists.txt
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@ -705,7 +705,7 @@ if(LIBZMQ_WERROR)
zmq_check_cxx_flag_prepend("/WX")
else()
zmq_check_cxx_flag_prepend("-Werror")
if(NOT "${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
if(${CMAKE_CXX_COMPILER_ID} MATCHES "SunPro")
zmq_check_cxx_flag_prepend("-errwarn=%all")
endif()
endif()