diff --git a/CMakeLists.txt b/CMakeLists.txt
index b24e930..03963a5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -98,7 +98,7 @@ if(CMAKE_SYSTEM_NAME MATCHES "SunOS")
 	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_XOPEN_SOURCE=600")
 	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DBSD_COMP")
 	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fpic")
-	set(PLATFORM_LIBS ${PLATFORM_LIBS} nsl socket)
+	set(PLATFORM_LIBS ${PLATFORM_LIBS} dl md nsl socket)
 endif()
 
 add_definitions(-DLIBRESSL_INTERNAL)
diff --git a/m4/check-os-options.m4 b/m4/check-os-options.m4
index 8080dcb..bd38938 100644
--- a/m4/check-os-options.m4
+++ b/m4/check-os-options.m4
@@ -123,7 +123,7 @@ char buf[1]; getentropy(buf, 1);
 		HOST_OS=solaris
 		HOST_ABI=elf
 		CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__ -D_XOPEN_SOURCE=600 -DBSD_COMP"
-		AC_SUBST([PLATFORM_LDADD], ['-ldl -lnsl -lsocket'])
+		AC_SUBST([PLATFORM_LDADD], ['-ldl -lmd -lnsl -lsocket'])
 		;;
 	*) ;;
 esac