Fix build for FreeBSD

Some libc features need __BSD_VISIBLE set to 1 to be enabled on FreeBSD

Author: kkloberdanz

src/libbson/examples/bson-streaming-reader.c

@@ -14,6 +14,12 @@
  * limitations under the License.
  */
 
+#ifdef __FreeBSD__
+#ifndef __BSD_VISIBLE
+#define __BSD_VISIBLE 1
+#endif /* __BSD_VISIBLE */
+#endif /* __FreeBSD__ */
+
 #include <bson/bson.h>
 #include <stdio.h>
 #include <stdlib.h>

src/libbson/src/bson/bson-string.c

@@ -14,6 +14,11 @@
  * limitations under the License.
  */
 
+#ifdef __FreeBSD__
+#ifndef __BSD_VISIBLE
+#define __BSD_VISIBLE 1
+#endif /* __BSD_VISIBLE */
+#endif /* __FreeBSD__ */
 
 #include <limits.h>
 #include <stdarg.h>

src/libbson/tests/test-json.c

@@ -1,6 +1,12 @@
 /* required on old Windows for rand_s to be defined */
 #define _CRT_RAND_S
 
+#ifdef __FreeBSD__
+#ifndef __BSD_VISIBLE
+#define __BSD_VISIBLE 1
+#endif /* __BSD_VISIBLE */
+#endif /* __FreeBSD__ */
+
 #include <bson/bson.h>
 #include <math.h>
 
@@ -2114,7 +2120,7 @@ test_bson_json_double (void)
    ASSERT_CMPDOUBLE (bson_iter_double (&iter), ==, 0.0);
 
 /* check that "x" is -0.0. signbit not available on Solaris or VS 2010 */
-#if !defined(__sun) && (!defined(_MSC_VER) || (_MSC_VER >= 1800))
+#if !defined(__sun) && !defined(__FreeBSD__) && (!defined(_MSC_VER) || (_MSC_VER >= 1800))
    BSON_ASSERT (signbit (bson_iter_double (&iter)));
 #endif
 

src/libmongoc/src/mongoc/mongoc-util.c

@@ -18,6 +18,12 @@
 #define _CRT_RAND_S
 #endif
 
+#ifdef __FreeBSD__
+#ifndef __BSD_VISIBLE
+#define __BSD_VISIBLE 1
+#endif /* __BSD_VISIBLE */
+#endif /* __FreeBSD__ */
+
 #include <string.h>
 
 #include "bson/bson.h"

src/libmongoc/tests/ssl-test.c

@@ -1,3 +1,9 @@
+#ifdef __FreeBSD__
+#ifndef __BSD_VISIBLE
+#define __BSD_VISIBLE 1
+#endif /* __BSD_VISIBLE */
+#endif /* __FreeBSD__ */
+
 #include <bson/bson.h>
 #include <errno.h>
 

src/libmongoc/tests/test-mongoc-async.c

@@ -1,3 +1,9 @@
+#ifdef __FreeBSD__
+#ifndef __BSD_VISIBLE
+#define __BSD_VISIBLE 1
+#endif /* __BSD_VISIBLE */
+#endif /* __FreeBSD__ */
+
 #include <mongoc/mongoc.h>
 #include <mongoc/mongoc-client-private.h>
 

src/libmongoc/tests/test-mongoc-client-side-encryption.c

@@ -14,6 +14,12 @@
  * limitations under the License.
  */
 
+#ifdef __FreeBSD__
+#ifndef __BSD_VISIBLE
+#define __BSD_VISIBLE 1
+#endif /* __BSD_VISIBLE */
+#endif /* __FreeBSD__ */
+
 #include "json-test.h"
 #include "test-libmongoc.h"
 

src/libmongoc/tests/test-mongoc-socket.c

@@ -1,3 +1,9 @@
+#ifdef __FreeBSD__
+#ifndef __BSD_VISIBLE
+#define __BSD_VISIBLE 1
+#endif /* __BSD_VISIBLE */
+#endif /* __FreeBSD__ */
+
 #include <fcntl.h>
 #include <mongoc/mongoc.h>
 #include <mongoc/mongoc-util-private.h>

src/libmongoc/tests/test-mongoc-stream-tls-error.c

@@ -1,3 +1,9 @@
+#ifdef __FreeBSD__
+#ifndef __BSD_VISIBLE
+#define __BSD_VISIBLE 1
+#endif /* __BSD_VISIBLE */
+#endif /* __FreeBSD__ */
+
 #include <mongoc/mongoc.h>
 #include <mongoc/mongoc-thread-private.h>
 #include <mongoc/mongoc-util-private.h>