diff --git a/.travis.yml b/.travis.yml
index c652584f8..df89593c4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,14 +2,17 @@ language: c
 sudo: required
 dist: trusty
 
-env:
-- CFLAGS=-Wno-absolute-value -Werror
+os:
+  - linux
+  - osx
 
 compiler:
   - gcc
   - clang
 
 cache:
+  apt:  true
+  ccache: true
   directories:
   - $HOME/srb2_cache
 
@@ -30,4 +33,10 @@ before_script:
   - cd build
   - cmake ..
 
+before_install:
+  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew update ; fi
+  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew install sdl2_mixer game-music-emu p7zip ; fi
+  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then curl -O -L https://www.libsdl.org/release/SDL2-2.0.4.dmg; hdiutil attach SDL2-2.0.4.dmg; sudo cp -a /Volumes/SDL2/SDL2.framework /Library/Frameworks/; fi
+  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then curl -O -L https://www.libsdl.org/projects/SDL_mixer/release/SDL2_mixer-2.0.1.dmg; hdiutil attach SDL2_mixer-2.0.1.dmg; sudo cp -a /Volumes/SDL2_mixer/SDL2_mixer.framework /Library/Frameworks/; fi
+
 script: make
diff --git a/cmake/Modules/FindGME.cmake b/cmake/Modules/FindGME.cmake
index 3b0c68de7..ea80af454 100644
--- a/cmake/Modules/FindGME.cmake
+++ b/cmake/Modules/FindGME.cmake
@@ -6,16 +6,16 @@ find_path(GME_INCLUDE_DIR
 	NAMES gme.h
 	PATHS
 		${GME_PKGCONF_INCLUDE_DIRS}
-		/usr/include/gme
-		/usr/local/include/gme
+		"/usr/include/gme"
+		"/usr/local/include/gme"
 )
 
 find_library(GME_LIBRARY
 	NAMES gme
 	PATHS
 		${GME_PKGCONF_LIBRARY_DIRS}
-		/usr/lib
-		/usr/local/lib
+		"/usr/lib"
+		"/usr/local/lib"
 )
 
 set(GME_PROCESS_INCLUDES GME_INCLUDE_DIR)
diff --git a/comptime.bat b/comptime.bat
index 9e127f001..0c7ea06d6 100644
--- a/comptime.bat
+++ b/comptime.bat
@@ -1,4 +1,4 @@
-@ECHO OFF
+@echo off
 set BRA=Unknown
 set REV=illegal
 
@@ -13,20 +13,20 @@ goto filwri
 :gitrev
 set GIT=%2
 if "%GIT%"=="" set GIT=git
-FOR /F "usebackq" %%s IN (`%GIT% rev-parse --abbrev-ref HEAD`) DO @SET BRA=%%s
-FOR /F "usebackq" %%s IN (`%GIT% rev-parse HEAD`) DO @SET REV=%%s
+for /f "usebackq" %%s in (`%GIT% rev-parse --abbrev-ref HEAD`) do @set BRA=%%s
+for /f "usebackq" %%s in (`%GIT% rev-parse HEAD`) do @set REV=%%s
 set REV=%REV:~0,8%
 goto filwri
 
 :svnrev
 set BRA=Subversion
-FOR /F "usebackq" %%s IN (`svnversion .`) DO @SET REV=%%s
+for /f "usebackq" %%s in (`svnversion .`) do @set REV=%%s
 set REV=r%REV%
 goto filwri
 
 :filwri
-ECHO // Do not edit!  This file was autogenerated > %1\comptime.h
-ECHO // by the %0 batch file >> %1\comptime.h
-ECHO // >> %1\comptime.h
-ECHO const char* compbranch = "%BRA%"; >> %1\comptime.h
-ECHO const char* comprevision = "%REV%"; >> %1\comptime.h
+echo // Do not edit!  This file was autogenerated > %1\comptime.h
+echo // by the %0 batch file >> %1\comptime.h
+echo // >> %1\comptime.h
+echo const char* compbranch = "%BRA%"; >> %1\comptime.h
+echo const char* comprevision = "%REV%"; >> %1\comptime.h
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 54a08ea0b..13d3312dd 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -316,6 +316,7 @@ if(${SRB2_CONFIG_HAVE_GME})
 	find_package(GME)
 	if(${GME_FOUND})
 		set(SRB2_HAVE_GME ON)
+		add_definitions(-DHAVE_LIBGME)
 	else()
 		message(WARNING "You have specified that GME is available but it was not found.")
 	endif()
diff --git a/src/Makefile b/src/Makefile
index bee608047..449b4065d 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -262,9 +262,7 @@ else
 	OBJS+=$(OBJDIR)/hw3sound.o
 endif
 
-ifndef NOVERSION
 OPTS += -DCOMPVERSION
-endif
 
 ifndef NONX86
 ifndef GCC29
@@ -551,15 +549,11 @@ cleandep:
 	$(REMOVE) comptime.h
 
 pre-build:
-ifdef NOVERSION
-	-@touch comptime.c
-else
 ifdef WINDOWSHELL
 	-..\comptime.bat .
 else
 	-@../comptime.sh .
 endif
-endif
 
 clean:
 	$(REMOVE) *~ *.flc
diff --git a/src/d_main.c b/src/d_main.c
index 1349a64e4..b04c55cbf 100644
--- a/src/d_main.c
+++ b/src/d_main.c
@@ -513,7 +513,6 @@ static void D_Display(void)
 // =========================================================================
 
 tic_t rendergametic;
-boolean supdate;
 
 void D_SRB2Loop(void)
 {
@@ -604,7 +603,6 @@ void D_SRB2Loop(void)
 
 			// Update display, next frame, with current state.
 			D_Display();
-			supdate = false;
 
 			if (moviemode)
 				M_SaveFrame();
diff --git a/src/d_main.h b/src/d_main.h
index 800b61f53..c5ce19ef4 100644
--- a/src/d_main.h
+++ b/src/d_main.h
@@ -17,7 +17,6 @@
 #include "d_event.h"
 #include "w_wad.h"   // for MAX_WADFILES
 
-extern boolean supdate;
 extern boolean advancedemo;
 
 // make sure not to write back the config until it's been correctly loaded
diff --git a/src/doomtype.h b/src/doomtype.h
index 8e7da6881..d833176f7 100644
--- a/src/doomtype.h
+++ b/src/doomtype.h
@@ -94,7 +94,6 @@ typedef long ssize_t;
 #ifdef __APPLE_CC__
 #define DIRECTFULLSCREEN
 #define DEBUG_LOG
-#define HWRENDER
 #define NOIPX
 #endif
 
diff --git a/src/md5.c b/src/md5.c
index aeaac2cde..ba89c499b 100644
--- a/src/md5.c
+++ b/src/md5.c
@@ -36,7 +36,7 @@
  #include <stdlib.h>
 #else
  #ifndef HAVE_MEMCPY
-  #if !((defined (_WIN32) || defined (_WIN32_WCE)) && !defined (__CYGWIN__))
+  #if !((defined (_WIN32) || defined (_WIN32_WCE)) && !defined (__CYGWIN__)) && !defined (__APPLE__)
    #define memcpy(d, s, n) bcopy ((s), (d), (n))
   #endif
  #endif
diff --git a/src/p_enemy.c b/src/p_enemy.c
index b8737810c..c32e2be8c 100644
--- a/src/p_enemy.c
+++ b/src/p_enemy.c
@@ -7218,7 +7218,7 @@ void A_ChangeAngleAbsolute(mobj_t *actor)
 	//const angle_t amin = FixedAngle(locvar1*FRACUNIT);
 	//const angle_t amax = FixedAngle(locvar2*FRACUNIT);
 #ifdef HAVE_BLUA
-	if (LUA_CallAction("A_ChangeAngelAbsolute", actor))
+	if (LUA_CallAction("A_ChangeAngleAbsolute", actor))
 		return;
 #endif
 
diff --git a/src/sdl/CMakeLists.txt b/src/sdl/CMakeLists.txt
index b3d734521..7f6771262 100644
--- a/src/sdl/CMakeLists.txt
+++ b/src/sdl/CMakeLists.txt
@@ -117,11 +117,13 @@ if(${SDL2_FOUND})
 	add_executable(SRB2SDL2 MACOSX_BUNDLE WIN32 ${SRB2_SDL2_TOTAL_SOURCES})
 	set_target_properties(SRB2SDL2 PROPERTIES OUTPUT_NAME ${SRB2_SDL2_EXE_NAME})
 
-	if((CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang"))
-		add_framework(CoreFoundation SRB2SDL2)
-		add_framework(SDL2 SRB2SDL2)
-		add_framework(SDL2_mixer SRB2SDL2)
+	if(${CMAKE_SYSTEM} MATCHES Darwin)
+		find_library(CORE_LIB CoreFoundation)
 		target_link_libraries(SRB2SDL2 PRIVATE
+			${CORE_LIB}
+			SDL2
+			SDL2_mixer
+			${GME_LIBRARIES}
 			${PNG_LIBRARIES}
 			${ZLIB_LIBRARIES}
 			${OPENGL_LIBRARIES}
@@ -131,6 +133,7 @@ if(${SDL2_FOUND})
 		target_link_libraries(SRB2SDL2 PRIVATE
 			${SDL2_LIBRARIES}
 			${SDL2_MIXER_LIBRARIES}
+			${GME_LIBRARIES}
 			${PNG_LIBRARIES}
 			${ZLIB_LIBRARIES}
 			${OPENGL_LIBRARIES}
@@ -198,6 +201,7 @@ if(${SDL2_FOUND})
 	target_include_directories(SRB2SDL2 PRIVATE
 		${SDL2_INCLUDE_DIRS}
 		${SDL2_MIXER_INCLUDE_DIRS}
+		${GME_INCLUDE_DIRS}
 		${PNG_INCLUDE_DIRS}
 		${ZLIB_INCLUDE_DIRS}
 		${OPENGL_INCLUDE_DIRS}
@@ -224,7 +228,7 @@ if(${SDL2_FOUND})
 	endif()
 
 	#### Installation ####
-	if (CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
+	if(${CMAKE_SYSTEM} MATCHES Darwin)
 		install(TARGETS SRB2SDL2
 			BUNDLE DESTINATION .
 		)
@@ -265,7 +269,7 @@ if(${SDL2_FOUND})
 
 
 	# Mac bundle fixup
-	if (CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
+	if(${CMAKE_SYSTEM} MATCHES Darwin)
 		install(CODE "
 			include(BundleUtilities)
 			fixup_bundle(\"${CMAKE_INSTALL_PREFIX}/Sonic Robo Blast 2.app\"
diff --git a/src/sdl/macosx/Srb2mac.xcodeproj/project.pbxproj b/src/sdl/macosx/Srb2mac.xcodeproj/project.pbxproj
index 98599fb60..c3f0d3b38 100644
--- a/src/sdl/macosx/Srb2mac.xcodeproj/project.pbxproj
+++ b/src/sdl/macosx/Srb2mac.xcodeproj/project.pbxproj
@@ -1270,6 +1270,7 @@
 					HAVE_BLUA,
 					LUA_USE_POSIX,
 					COMPVERSION,
+					HWRENDER,
 				);
 				GCC_THREADSAFE_STATICS = NO;
 				GCC_TREAT_IMPLICIT_FUNCTION_DECLARATIONS_AS_ERRORS = YES;
@@ -1392,6 +1393,7 @@
 					HAVE_BLUA,
 					LUA_USE_POSIX,
 					COMPVERSION,
+					HWRENDER,
 				);
 				GCC_THREADSAFE_STATICS = NO;
 				GCC_TREAT_IMPLICIT_FUNCTION_DECLARATIONS_AS_ERRORS = YES;
diff --git a/src/string.c b/src/string.c
index 436757309..19540547c 100644
--- a/src/string.c
+++ b/src/string.c
@@ -15,6 +15,8 @@
 #include <string.h>
 #include "doomdef.h"
 
+#if !defined (__APPLE__)
+
 // Like the OpenBSD version, but it doesn't check for src not being a valid
 // C string.
 size_t strlcat(char *dst, const char *src, size_t siz)
@@ -46,3 +48,5 @@ size_t strlcpy(char *dst, const char *src, size_t siz)
 	dst[0] = '\0';
 	return strlcat(dst, src, siz);
 }
+
+#endif