diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000000000000000000000000000000000000..c6a3ce799db5690be895b5f73c71bbed698ae8a6
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,33 @@
+language: c
+sudo: required
+dist: trusty
+
+env:
+- CFLAGS=-Wno-absolute-value -Werror
+
+compiler:
+  - gcc
+  - clang
+
+cache:
+  directories:
+    - $HOME/srb2_cache
+
+addons:
+  apt:
+    packages:
+    - libsdl2-mixer-dev
+    - libpng-dev
+    - libgl1-mesa-dev
+    - libgme-dev
+    - p7zip-full
+
+before_script:
+  - mkdir $HOME/srb2_cache
+  - wget http://rosenthalcastle.org/srb2/SRB2-v2114-Installer.exe -c -O $HOME/srb2_cache/SRB2-v2114-Installer.exe
+  - 7z x $HOME/srb2_cache/SRB2-v2114-Installer.exe -oassets
+  - mkdir build
+  - cd build
+  - cmake ..
+
+script: make
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0fb5cb28fbd6eacb2459c848e91b2ba7ae86943b..59557ef42e233ee78f65bf5687b18cd625beeb3c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -80,9 +80,6 @@ endif()
 
 if(${CMAKE_SYSTEM} MATCHES "Darwin")
 	add_definitions(-DMACOSX)
-	if(${CMAKE_C_COMPILER_ID} MATCHES "Clang")
-		set(CLANG ON)
-	endif()
 endif()
 
 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin")
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 6859e27c38414e61dc93ffdb166794fde3e7674f..d9e25dbb8c70956a635dc3ceaebe85f127e319b5 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -166,7 +166,7 @@ set(SRB2_CORE_GAME_SOURCES
 	p_tick.h
 )
 
-if(NOT CLANG)
+if(NOT (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
 	set(SRB2_CORE_SOURCES ${SRB2_CORE_SOURCES} string.c)
 endif()
 
@@ -404,10 +404,14 @@ endif()
 
 # Compatibility flag with later versions of GCC
 # We should really fix our code to not need this
-if(NOT CLANG AND NOT MSVC)
+if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
 	set(CMAKE_C_FLAGS ${CMAKE_C_FLAGS} -mno-ms-bitfields)
 endif()
 
+if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+	set(CMAKE_C_FLAGS ${CMAKE_C_FLAGS} -Wno-absolute-value)
+endif()
+
 add_definitions(-DCMAKECONFIG)
 
 #add_library(SRB2Core STATIC
@@ -429,4 +433,4 @@ endif()
 
 if(NOT ${SRB2_SDL2_AVAILABLE} AND NOT ${SRB2_WIN32_AVAILABLE})
 	message(FATAL_ERROR "There are no targets available to build an SRB2 executable. :(")
-endif()
\ No newline at end of file
+endif()
diff --git a/src/b_bot.c b/src/b_bot.c
index 5e62e58e6d38230f82b874fddd4cec5a9f8e0aff..3072b1d75785d2b2834760c166e08fb10f28e99f 100644
--- a/src/b_bot.c
+++ b/src/b_bot.c
@@ -49,7 +49,7 @@ static inline void B_BuildTailsTiccmd(mobj_t *sonic, mobj_t *tails, ticcmd_t *cm
 		if (sonic->player->pflags & (PF_MACESPIN|PF_ITEMHANG))
 		{
 			cmd->forwardmove = sonic->player->cmd.forwardmove;
-			cmd->angleturn = abs(tails->angle - sonic->angle)>>16;
+			cmd->angleturn = abs((tails->angle - sonic->angle))>>16;
 			if (sonic->angle < tails->angle)
 				cmd->angleturn = -cmd->angleturn;
 		} else if (dist > FixedMul(512*FRACUNIT, tails->scale))
diff --git a/src/f_finale.c b/src/f_finale.c
index f541995d49977d3e54cc229a657922006b0a3f81..466e208a50f6aab4b8b818cb421090b3059a39bb 100644
--- a/src/f_finale.c
+++ b/src/f_finale.c
@@ -603,7 +603,7 @@ static void F_IntroDrawScene(void)
 
 				if (finalecount-84 < 58) { // Pure Fat is driving up!
 					int ftime = (finalecount-84);
-					x = (-189<<FRACBITS) + (FixedMul((6<<FRACBITS)+FRACUNIT/3, ftime<<FRACBITS) - FixedMul((6<<FRACBITS)+FRACUNIT/3, FixedDiv(FixedMul(ftime<<FRACBITS, ftime<<FRACBITS), 120<<FRACBITS)));
+					x = (-189*FRACUNIT) + (FixedMul((6<<FRACBITS)+FRACUNIT/3, ftime<<FRACBITS) - FixedMul((6<<FRACBITS)+FRACUNIT/3, FixedDiv(FixedMul(ftime<<FRACBITS, ftime<<FRACBITS), 120<<FRACBITS)));
 					y = (BASEVIDHEIGHT<<FRACBITS) - FixedMul(417<<FRACBITS, aspect);
 					// Draw the body
 					V_DrawSciencePatch(x, y, V_SNAPTOLEFT|V_SNAPTOBOTTOM, (patch = W_CachePatchName("PUREFAT1", PU_CACHE)), aspect);
diff --git a/src/info.c b/src/info.c
index fb30258c31b2ab85a813a3cc9d21d29df3bd58d3..79301aab286594037122ceb61eeace67d9774c64 100644
--- a/src/info.c
+++ b/src/info.c
@@ -4225,7 +4225,7 @@ mobjinfo_t mobjinfo[NUMMOBJTYPES] =
 		MT_GOOP,           // painchance
 		sfx_dmpain,        // painsound
 		S_EGGMOBILE2_PAIN2, // meleestate
-		MT_EGGMOBILE2_POGO, // missilestate
+		(statenum_t)MT_EGGMOBILE2_POGO, // missilestate
 		S_EGGMOBILE2_DIE1, // deathstate
 		S_EGGMOBILE2_FLEE1,// xdeathstate
 		sfx_cybdth,        // deathsound
diff --git a/src/m_menu.c b/src/m_menu.c
index c7a9fcc162e138a1f97b7cad6faf2d1c9dda79db..1e7745535d6e3a219a2c0b6a46902f75e105db9a 100644
--- a/src/m_menu.c
+++ b/src/m_menu.c
@@ -6071,7 +6071,7 @@ static void M_RoomMenu(INT32 choice)
 
 	for (i = 0; room_list[i].header.buffer[0]; i++)
 	{
-		if(room_list[i].name != '\0')
+		if(*room_list[i].name != '\0')
 		{
 			MP_RoomMenu[i+1].text = room_list[i].name;
 			roomIds[i] = room_list[i].id;
diff --git a/src/m_misc.c b/src/m_misc.c
index 57b8c4585166904d7f5ae2e6adb418d79ed10625..21728792f6b1a4b93a47892edef85e507b598c4b 100644
--- a/src/m_misc.c
+++ b/src/m_misc.c
@@ -677,7 +677,7 @@ static void M_PNGText(png_structp png_ptr, png_infop png_info_ptr, PNG_CONST png
 	else
 		snprintf(maptext, 8, "Unknown");
 
-	if (gamestate == GS_LEVEL && mapheaderinfo[gamemap-1]->lvlttl)
+	if (gamestate == GS_LEVEL && mapheaderinfo[gamemap-1]->lvlttl[0] != '\0')
 		snprintf(lvlttltext, 48, "%s%s%s",
 			mapheaderinfo[gamemap-1]->lvlttl,
 			(mapheaderinfo[gamemap-1]->levelflags & LF_NOZONE) ? "" : " ZONE",
diff --git a/src/p_enemy.c b/src/p_enemy.c
index 18a4ec5ff415be7bee7f5b828fca47ece86ac247..6ac4e89689e4b38da57da1dc5554c9f380fe5565 100644
--- a/src/p_enemy.c
+++ b/src/p_enemy.c
@@ -6352,7 +6352,7 @@ void A_Boss2PogoTarget(mobj_t *actor)
 
 	if (actor->info->missilestate) // spawn the pogo stick collision box
 	{
-		mobj_t *pogo = P_SpawnMobj(actor->x, actor->y, actor->z - mobjinfo[actor->info->missilestate].height, actor->info->missilestate);
+		mobj_t *pogo = P_SpawnMobj(actor->x, actor->y, actor->z - mobjinfo[actor->info->missilestate].height, (mobjtype_t)actor->info->missilestate);
 		pogo->target = actor;
 	}
 
diff --git a/src/p_map.c b/src/p_map.c
index 62cbf7b77635b8604cd7ecf0ad7f01628e5c976f..1aa8bc391cac84a118de6f356cf581358920e110 100644
--- a/src/p_map.c
+++ b/src/p_map.c
@@ -2507,8 +2507,8 @@ isblocking:
 
 			climbangle += (ANGLE_90 * (whichside ? -1 : 1));
 
-			if (((!slidemo->player->climbing && abs(slidemo->angle - ANGLE_90 - climbline) < ANGLE_45)
-			|| (slidemo->player->climbing == 1 && abs(slidemo->angle - climbline) < ANGLE_135))
+			if (((!slidemo->player->climbing && abs((slidemo->angle - ANGLE_90 - climbline)) < ANGLE_45)
+			|| (slidemo->player->climbing == 1 && abs((slidemo->angle - climbline)) < ANGLE_135))
 			&& P_IsClimbingValid(slidemo->player, climbangle))
 			{
 				slidemo->angle = climbangle;
diff --git a/src/p_user.c b/src/p_user.c
index d527c29c9f1039c3a138ec050dea0d32e5e8cfa6..ce68e2d61665a1c382b2524f3d7d69d92e82fb5e 100644
--- a/src/p_user.c
+++ b/src/p_user.c
@@ -7899,9 +7899,9 @@ boolean P_MoveChaseCamera(player_t *player, camera_t *thiscam, boolean resetcall
 		if (player == &players[consoleplayer])
 		{
 			if (focusangle >= localangle)
-				localangle += abs(focusangle - localangle)>>5;
+				localangle += abs((focusangle - localangle))>>5;
 			else
-				localangle -= abs(focusangle - localangle)>>5;
+				localangle -= abs((focusangle - localangle))>>5;
 		}
 	}
 	else if (P_AnalogMove(player)) // Analog
diff --git a/src/sdl/CMakeLists.txt b/src/sdl/CMakeLists.txt
index b3fa5390c50a748d60e87920073f46f5c28ff117..eb832797e482c0450dcea44c1929fa0bb763a90d 100644
--- a/src/sdl/CMakeLists.txt
+++ b/src/sdl/CMakeLists.txt
@@ -117,7 +117,7 @@ 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(CLANG)
+	if((CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang"))
 		add_framework(CoreFoundation SRB2SDL2)
 		add_framework(SDL2 SRB2SDL2)
 		add_framework(SDL2_mixer SRB2SDL2)
@@ -224,7 +224,7 @@ if(${SDL2_FOUND})
 	endif()
 
 	#### Installation ####
-	if (CLANG)
+	if (CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
 		install(TARGETS SRB2SDL2
 			BUNDLE DESTINATION .
 		)
@@ -265,7 +265,7 @@ if(${SDL2_FOUND})
 
 
 	# Mac bundle fixup
-	if(CLANG)
+	if (CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
 		install(CODE "
 			include(BundleUtilities)
 			fixup_bundle(\"${CMAKE_INSTALL_PREFIX}/Sonic Robo Blast 2.app\"
@@ -279,4 +279,4 @@ if(${SDL2_FOUND})
 else()
 	message(WARNING "SDL2 was not found, so the SDL2 target will not be available.")
 	set(SRB2_SDL2_AVAILABLE NO PARENT_SCOPE)
-endif()
\ No newline at end of file
+endif()