make this build on SunOS/Solaris

external/miniupnpc/CMakeLists.txt

@@ -36,6 +36,9 @@ if (NOT WIN32)
     # 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" AND NOT CMAKE_SYSTEM_NAME STREQUAL "DragonFly")
+  if (CMAKE_SYSTEM_NAME MATCHES "(SunOS|Solaris)")
+    add_definitions (-D__EXTENSIONS__ -std=c99)
+  endif ()
 else (NOT WIN32)
   add_definitions (-D_WIN32_WINNT=0x0501) # XP or higher for getnameinfo and friends
 endif (NOT WIN32)

external/unbound/CMakeLists.txt

@@ -44,7 +44,12 @@ endif ()
 
 set(RETSIGTYPE void)
 
+if(CMAKE_SYSTEM_NAME MATCHES "(SunOS|Solaris)")
+add_definitions(-D_XOPEN_SOURCE=600)
+else()
 add_definitions(-D_GNU_SOURCE)
+endif()
+add_definitions(-std=c99)
 
 option(USE_ECDSA "Use ECDSA algorithms" ON)
 option(USE_SHA2 "Enable SHA2 support" ON)

external/unbound/configure_checks.cmake

@@ -49,6 +49,11 @@ if (WIN32)
     iphlpapi
     ws2_32)
 endif ()
+if (CMAKE_SYSTEM_NAME MATCHES "(SunOS|Solaris)")
+  set(CMAKE_REQUIRED_LIBRARIES
+    socket
+    nsl)
+endif ()
 
 check_function_exists(_beginthreadex HAVE__BEGINTHREADEX)
 check_function_exists(arc4random HAVE_ARC4RANDOM)