ClickHouse/contrib/libpoco/Net/cmake/test_anl.cmake

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#
# On ubuntu 16.10 static link libanl.a fails with -fPIC error
#
include(CheckCXXSourceRuns)
if (USE_STATIC_LIBRARIES)
set(ANL_LIB_NAME "libanl.a")
else()
set(ANL_LIB_NAME "anl")
endif()
find_library(ANL_LIB NAMES ${ANL_LIB_NAME})
set(CMAKE_REQUIRED_LIBRARIES "${CMAKE_REQUIRED_LIBRARIES} ${ANL_LIB}")
check_cxx_source_runs("
#include <netdb.h>
int main() { getaddrinfo_a(GAI_NOWAIT, nullptr, 0, nullptr); return 0;}
" HAVE_GETADDRINFO_A)
#message(STATUS "test_anl: USE_STATIC_LIBRARIES=${USE_STATIC_LIBRARIES} ANL_LIB_NAME=${ANL_LIB_NAME} ANL_LIB=${ANL_LIB} HAVE_GETADDRINFO_A=${HAVE_GETADDRINFO_A}")
if (HAVE_GETADDRINFO_A)
add_definitions(-DHAVE_GETADDRINFO_A=1)
endif ()