CDRIVER-2175 pthreads not compiled correctly in

Author: bjori

CMakeLists.txt

@@ -533,7 +533,12 @@ add_library(mongoc_static STATIC ${SOURCES} ${HEADERS})
 
 set(CMAKE_CXX_VISIBILITY_PRESET hidden)
 
-set (LIBS ${SASL_LIBS} ${SSL_LIBS} ${SHM_LIB})
+set(THREADS_PREFER_PTHREAD_FLAG 1)
+find_package (Threads REQUIRED)
+if(CMAKE_USE_PTHREADS_INIT)
+   set(THREAD_LIB ${CMAKE_THREAD_LIBS_INIT})
+endif()
+set (LIBS ${SASL_LIBS} ${SSL_LIBS} ${SHM_LIB} Threads::Threads)
 
 target_link_libraries (mongoc_shared ${LIBS} ${BSON_LIBRARIES})
 target_include_directories (mongoc_shared PUBLIC ${BSON_INCLUDE_DIRS})
@@ -732,7 +737,7 @@ set(VERSION "${MONGOC_VERSION}")
 set(prefix "${CMAKE_INSTALL_PREFIX}")
 set(libdir "\${prefix}/lib")
 
-foreach(FLAG ${SASL_LIBS} ${SSL_LIBS} ${SHM_LIB})
+foreach(FLAG ${SASL_LIBS} ${SSL_LIBS} ${SHM_LIB} ${THREAD_LIB})
    if ( IS_ABSOLUTE "${FLAG}" )
       get_filename_component(FLAG_DIR "${FLAG}" DIRECTORY)
       get_filename_component(FLAG_FILE "${FLAG}" NAME_WE)

examples/Makefile.am

@@ -1,6 +1,10 @@
 EXAMPLE_LDADD = libmongoc-1.0.la
+EXAMPLE_POOL_LDADD =
+EXAMPLE_POOL_CFLAGS =
 if EXPLICIT_LIBS
 EXAMPLE_LDADD += $(BSON_LIBS)
+EXAMPLE_POOL_LDADD += $(PTHREAD_LIBS)
+EXAMPLE_POOL_CFLAGS += $(PTHREAD_CFLAGS)
 endif
 EXAMPLE_CFLAGS = \
 	-I$(top_srcdir)/src/mongoc \
@@ -39,8 +43,8 @@ example_client_LDADD = $(EXAMPLE_LDADD)
 
 noinst_PROGRAMS += example-pool
 example_pool_SOURCES = examples/example-pool.c
-example_pool_CFLAGS = $(EXAMPLE_CFLAGS)
-example_pool_LDADD = $(EXAMPLE_LDADD)
+example_pool_CFLAGS = $(EXAMPLE_CFLAGS) $(EXAMPLE_POOL_CFLAGS)
+example_pool_LDADD = $(EXAMPLE_LDADD) $(EXAMPLE_POOL_LDADD)
 
 noinst_PROGRAMS += example-command-with-opts
 example_command_with_opts_SOURCES = examples/example-command-with-opts.c