add build option to compile MHD without threads

src/testcurl/https/Makefile.am

@@ -10,8 +10,9 @@ if HAVE_GNUTLS_SNI
 endif
 
 if HAVE_POSIX_THREADS
-  HTTPS_PARALLEL_TESTS = test_https_get_parallel \
-  test_https_get_parallel_threads
+  HTTPS_PARALLEL_TESTS = \
+    test_https_get_parallel \
+    test_https_get_parallel_threads
 endif
 
 CPU_COUNT_DEF = -DCPU_COUNT=$(CPU_COUNT)
@@ -22,32 +23,36 @@ AM_CPPFLAGS = \
   -I$(top_srcdir)/src/platform \
   $(LIBCURL_CPPFLAGS) $(MHD_TLS_LIB_CPPFLAGS)
 
-check_PROGRAMS = \
+THREAD_ONLY_TESTS = \
   test_tls_options \
   test_tls_authentication \
-  test_https_multi_daemon \
-  test_https_get \
-  $(TEST_HTTPS_SNI) \
-  test_https_get_select \
   $(HTTPS_PARALLEL_TESTS) \
+  $(TEST_HTTPS_SNI) \
   test_https_session_info \
   test_https_time_out \
+  test_https_multi_daemon \
+  test_https_get \
   test_empty_response
 
-EXTRA_DIST = cert.pem key.pem \
-  host1.crt host1.key host2.crt host2.key
+check_PROGRAMS = \
+  test_https_get_select 
+
+if USE_POSIX_THREADS
+check_PROGRAMS +=
+  $(THREAD_ONLY_TESTS)
+endif
+if USE_W32_THREADS
+check_PROGRAMS +=
+  $(THREAD_ONLY_TESTS)
+endif
+
+EXTRA_DIST = \
+  cert.pem key.pem \
+  host1.crt host1.key \
+  host2.crt host2.key
 
 TESTS = \
-  test_tls_options \
-  test_https_multi_daemon \
-  test_https_get \
-  $(TEST_HTTPS_SNI) \
-  test_https_get_select \
-  $(HTTPS_PARALLEL_TESTS) \
-  test_https_session_info \
-  test_https_time_out \
-  test_tls_authentication \
-  test_empty_response
+  $(check_PROGRAMS)
 
 
 test_https_time_out_SOURCES = \

src/testcurl/https/tls_test_common.c

@@ -526,7 +526,9 @@ test_wrap (const char *test_name, int
   return ret;
 }
 
-int testsuite_curl_global_init (void)
+
+int
+testsuite_curl_global_init (void)
 {
   CURLcode res;
 #if LIBCURL_VERSION_NUM >= 0x073800