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Limit use of Posix threads to Unix #4140

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Mar 3, 2023
Merged

Limit use of Posix threads to Unix #4140

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20 changes: 11 additions & 9 deletions runtime/Cpp/runtime/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -39,16 +39,18 @@ if (ANTLR_BUILD_STATIC)
add_library(antlr4_static STATIC ${libantlrcpp_SRC})
endif()

# Make sure to link against threads (pthreads) library in order to be able to
# make use of std::call_once in the code without producing runtime errors
# (see also https://github.com/antlr/antlr4/issues/3708 and/or https://stackoverflow.com/q/51584960).
find_package(Threads REQUIRED)
if (CMAKE_HOST_UNIX)
# Make sure to link against threads (pthreads) library in order to be able to
# make use of std::call_once in the code without producing runtime errors
# (see also https://github.com/antlr/antlr4/issues/3708 and/or https://stackoverflow.com/q/51584960).
find_package(Threads REQUIRED)

if (TARGET antlr4_shared)
target_link_libraries(antlr4_shared Threads::Threads)
endif()
if (TARGET antlr4_static)
target_link_libraries(antlr4_static Threads::Threads)
if (TARGET antlr4_shared)
target_link_libraries(antlr4_shared Threads::Threads)
endif()
if (TARGET antlr4_static)
target_link_libraries(antlr4_static Threads::Threads)
endif()
endif()

IF(TRACE_ATN)
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