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cmake: old osx clang: suppress check failures sue to -pthread only recognized at compile time

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This commit is contained in:
Andy Green 2020-01-27 16:23:39 +00:00
parent d642a3ee2b
commit cad9f3e521
1 changed files with 7 additions and 2 deletions
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9
CMakeLists.txt
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@ -887,7 +887,12 @@ CHECK_C_SOURCE_COMPILES("#include <stdint.h>
}" LWS_HAS_INTPTR_T)
if (LWS_HAVE_PTHREAD_H)
set(CMAKE_REQUIRED_FLAGS "-pthread")
if ((CMAKE_C_COMPILER_ID MATCHES "Clang") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
set(CMAKE_REQUIRED_FLAGS "-pthread -Wno-error=unused-command-line-argument")
else()
set(CMAKE_REQUIRED_FLAGS "-pthread")
endif()
CHECK_C_SOURCE_COMPILES("#define _GNU_SOURCE
#include <pthread.h>
int main(void) {
@ -1507,7 +1512,7 @@ if (COMPILER_IS_CLANG)
# otherwise osx blows a bunch of openssl deprecated api errors
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-deprecated-declarations" )
if (UNIX AND LWS_HAVE_PTHREAD_H)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pthread" )
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pthread -Wno-error=unused-command-line-argument" )
endif()
endif()