Merge pull request #113 from devnexen/netbsd_port

NetBSD support proposal.

Author: struct

Makefile

@@ -193,6 +193,11 @@ HUGE_PAGES =
 OS_FLAGS = -I/usr/local/cxx_atomics
 endif
 
+ifeq ($(UNAME), NetBSD)
+STRIP = strip -s $(BUILD_DIR)/$(LIBNAME)
+HUGE_PAGES =
+endif
+
 HOOKS = $(MALLOC_HOOK)
 OPTIMIZE = -O2 -fstrict-aliasing -Wstrict-aliasing
 COMMON_CFLAGS = -Wall -Iinclude/ $(THREAD_SUPPORT) $(PRE_POPULATE_PAGES) $(STARTUP_MEM_USAGE)

src/iso_alloc_random.c

@@ -15,6 +15,8 @@
 #include <Security/SecRandom.h>
 #elif __FreeBSD__ || __DragonFly__ || __linux__ || __ANDROID__
 #include <sys/random.h>
+#elif __NetBSD__
+#include <stdlib.h>
 #else
 #error "unknown OS"
 #endif
@@ -34,6 +36,10 @@ INTERNAL_HIDDEN uint64_t rand_uint64(void) {
     ret = SecRandomCopyBytes(kSecRandomDefault, sizeof(val), &val);
 #elif __FreeBSD__ || __DragonFly__ || __linux__ || __ANDROID__
     ret = getrandom(&val, sizeof(val), GRND_NONBLOCK) != sizeof(val);
+#elif __NetBSD__
+/* Temporary solution until NetBSD 10 released with getrandom support
+ */
+    arc4random_buf(&val, sizeof(val));
 #endif
 
 #if ABORT_NO_ENTROPY