diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9ffaf20f..f0eaf8de 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -160,6 +160,9 @@ else()
 	else()
 		list(APPEND yquake2LinkerFlags "-lnetwork")
 	endif()
+	if (${CMAKE_SYSTEM_NAME} MATCHES "SunOS")
+		list(APPEND yquake2LinkerFlags "-lsocket -lnsl")
+	endif()
 endif()
 
 if(NOT ${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
diff --git a/Makefile b/Makefile
index 16f03503..180622ff 100755
--- a/Makefile
+++ b/Makefile
@@ -339,6 +339,8 @@ else ifeq ($(YQ2_OSTYPE), Darwin)
 override LDFLAGS += -arch $(YQ2_ARCH)
 else ifeq ($(YQ2_OSTYPE), Haiku)
 override LDFLAGS += -lm -lnetwork
+else ifeq ($(YQ2_OSTYPE), SunOS)
+override LDFLAGS += -lm -lsocket -lnsl
 endif
 
 ifneq ($(YQ2_OSTYPE), Darwin)
diff --git a/src/backends/generic/misc.c b/src/backends/generic/misc.c
index a97a20cf..a0741c5f 100644
--- a/src/backends/generic/misc.c
+++ b/src/backends/generic/misc.c
@@ -29,7 +29,7 @@
 
 #include "../../common/header/shared.h"
 
-#if defined(__linux) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
+#if defined(__linux) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__sun)
 #include <unistd.h> // readlink(), amongst others
 #endif
 
@@ -73,14 +73,18 @@ static void SetExecutablePath(char* exePath)
 		exePath[0] = '\0';
 	}
 
-#elif defined(__linux)
+#elif defined(__linux) || defined(__sun)
 
 	// all the platforms that have /proc/$pid/exe or similar that symlink the
 	// real executable - basiscally Linux and the BSDs except for FreeBSD which
 	// doesn't enable proc by default and has a sysctl() for this. OpenBSD once
 	// had /proc but removed it for security reasons.
 	char buf[PATH_MAX] = {0};
+#if defined(__linux)
 	snprintf(buf, sizeof(buf), "/proc/%d/exe", getpid());
+#else
+	snprintf(buf, sizeof(buf), "/proc/%ld/path/a.out", getpid());
+#endif
 	// readlink() doesn't null-terminate!
 	int len = readlink(buf, exePath, PATH_MAX-1);
 	if (len <= 0)
diff --git a/src/backends/unix/network.c b/src/backends/unix/network.c
index f0f2a6b9..afeebd3e 100644
--- a/src/backends/unix/network.c
+++ b/src/backends/unix/network.c
@@ -34,6 +34,12 @@
 #include <sys/param.h>
 #include <sys/ioctl.h>
 #include <sys/uio.h>
+#if defined(__sun)
+#include <sys/filio.h>
+#if !defined(MAX)
+#define MAX(a, b) (((a) > (b)) ? (a) : (b))
+#endif
+#endif
 #include <errno.h>
 #include <arpa/inet.h>
 #include <net/if.h>