Preliminary support for DragonFly BSD

- It builds but no further testing has been done.

CMakeLists.txt

@@ -149,12 +149,15 @@ message(STATUS "Building for a ${ARCH_WIDTH}-bit system")
 
 # Check if we're on FreeBSD so we can exclude the local miniupnpc (it should be installed from ports instead)
 # CMAKE_SYSTEM_NAME checks are commonly known, but specifically taken from libsdl's CMakeLists
-if(CMAKE_SYSTEM_NAME MATCHES "kFreeBSD.*")
-  set(FREEBSD TRUE)
-elseif(CMAKE_SYSTEM_NAME MATCHES "DragonFly.*|FreeBSD")
+if(CMAKE_SYSTEM_NAME MATCHES "kFreeBSD.*|FreeBSD")
   set(FREEBSD TRUE)
 endif()
 
+# Check if we're on DragonFly BSD. See the README.md for build instructions.
+if(CMAKE_SYSTEM_NAME MATCHES "DragonFly.*")
+  set(DRAGONFLY TRUE)
+endif()
+
 # Check if we're on OpenBSD. See the README.md for build instructions.
 if(CMAKE_SYSTEM_NAME MATCHES "kOpenBSD.*|OpenBSD.*")
   set(OPENBSD TRUE)
@@ -519,7 +522,7 @@ else()
       set(RELEASE_FLAGS "${RELEASE_FLAGS} -ffat-lto-objects")
     endif()
     # Since gcc 4.9 the LTO format is non-standard (slim), so we need the gcc-specific ar and ranlib binaries
-    if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND NOT (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.9.0) AND NOT OPENBSD)
+    if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND NOT (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.9.0) AND NOT OPENBSD AND NOT DRAGONFLY)
       # When invoking cmake on distributions on which gcc's binaries are prefixed
       # with an arch-specific triplet, the user must specify -DCHOST=<prefix>
       if (DEFINED CHOST)
@@ -544,7 +547,7 @@ else()
       # On Windows, this is as close to fully-static as we get:
       # this leaves only deps on /c/Windows/system32/*.dll
       set(STATIC_FLAGS "-static")
-    elseif (NOT (APPLE OR FREEBSD OR OPENBSD))
+    elseif (NOT (APPLE OR FREEBSD OR OPENBSD OR DRAGONFLY))
       # On Linux, we don't support fully static build, but these can be static
       set(STATIC_FLAGS "-static-libgcc -static-libstdc++")
     endif()
@@ -579,6 +582,9 @@ if(MINGW)
   set(EXTRA_LIBRARIES mswsock;ws2_32;iphlpapi)
 elseif(APPLE OR FREEBSD OR OPENBSD)
   set(EXTRA_LIBRARIES "")
+elseif(DRAGONFLY)
+  find_library(COMPAT compat)
+  set(EXTRA_LIBRARIES ${COMPAT})
 elseif(NOT MSVC)
   find_library(RT rt)
   set(EXTRA_LIBRARIES ${RT})

external/miniupnpc/CMakeLists.txt

@@ -32,10 +32,10 @@ endif (NO_GETADDRINFO)
 if (NOT WIN32)
   add_definitions (-DMINIUPNPC_SET_SOCKET_TIMEOUT)
   add_definitions (-D_BSD_SOURCE -D_DEFAULT_SOURCE)
-  if (NOT CMAKE_SYSTEM_NAME STREQUAL "Darwin" AND NOT CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
+  if (NOT CMAKE_SYSTEM_NAME STREQUAL "Darwin" AND NOT CMAKE_SYSTEM_NAME STREQUAL "FreeBSD" AND NOT CMAKE_SYSTEM_NAME STREQUAL "DragonFly")
     # add_definitions (-D_POSIX_C_SOURCE=200112L)
     add_definitions (-D_XOPEN_SOURCE=600)
-  endif (NOT CMAKE_SYSTEM_NAME STREQUAL "Darwin" AND NOT CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
+  endif (NOT CMAKE_SYSTEM_NAME STREQUAL "Darwin" AND NOT CMAKE_SYSTEM_NAME STREQUAL "FreeBSD" AND NOT CMAKE_SYSTEM_NAME STREQUAL "DragonFly")
 else (NOT WIN32)
   add_definitions (-D_WIN32_WINNT=0x0501) # XP or higher for getnameinfo and friends
 endif (NOT WIN32)

src/crypto/crypto.cpp

@@ -42,7 +42,7 @@
 #include "crypto.h"
 #include "hash.h"
 
-#if !defined(__FreeBSD__) && !defined(__OpenBSD__)
+#if !defined(__FreeBSD__) && !defined(__OpenBSD__) && !defined(__DragonFly__)
  #include <alloca.h>
 #else
  #include <stdlib.h>

src/crypto/oaes_lib.c

@@ -34,7 +34,8 @@
 #include <stdio.h>
 
 // OS X, FreeBSD, and OpenBSD don't need malloc.h
-#if !defined(__APPLE__) && !defined(__FreeBSD__) && !defined(__OpenBSD__)
+#if !defined(__APPLE__) && !defined(__FreeBSD__) && !defined(__OpenBSD__) \
+  && !defined(__DragonFly__)
  #include <malloc.h>
 #endif
 

src/crypto/slow-hash.c

@@ -442,7 +442,8 @@ void slow_hash_allocate_state(void)
     hp_state = (uint8_t *) VirtualAlloc(hp_state, MEMORY, MEM_LARGE_PAGES |
                                         MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE);
 #else
-#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__)
+#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__) || \
+  defined(__DragonFly__)
     hp_state = mmap(0, MEMORY, PROT_READ | PROT_WRITE,
                     MAP_PRIVATE | MAP_ANON, 0, 0);
 #else

src/crypto/tree-hash.c

@@ -34,7 +34,7 @@
 
 #include "hash-ops.h"
 
-#if !defined(__FreeBSD__) && !defined(__OpenBSD__)
+#if !defined(__FreeBSD__) && !defined(__OpenBSD__) && !defined(__DragonFly__)
  #include <alloca.h>
 #else
  #include <stdlib.h>

tests/performance_tests/performance_utils.h

@@ -40,7 +40,7 @@
 
 void set_process_affinity(int core)
 {
-#if defined (__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__)
+#if defined (__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)
     return;
 #elif defined(BOOST_WINDOWS)
   DWORD_PTR mask = 1;
@@ -62,7 +62,7 @@ void set_process_affinity(int core)
 
 void set_thread_high_priority()
 {
-#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__)
+#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)
     return;
 #elif defined(BOOST_WINDOWS)
   ::SetPriorityClass(::GetCurrentProcess(), HIGH_PRIORITY_CLASS);

tests/unit_tests/slow_memmem.cpp

@@ -36,7 +36,8 @@
 #include "gtest/gtest.h"
 
 // OS X, FreeBSD, and OpenBSD don't need malloc.h
-#if !defined(__APPLE__) && !defined(__FreeBSD__) && !defined(__OpenBSD__)
+#if !defined(__APPLE__) && !defined(__FreeBSD__) && !defined(__OpenBSD__) && \
+    !defined(__DragonFly__)
  #include <malloc.h>
 #endif