diff --git a/build/makefile_base.mak b/build/makefile_base.mak
index 83d05128..6b28a3e7 100644
--- a/build/makefile_base.mak
+++ b/build/makefile_base.mak
@@ -267,6 +267,13 @@ LIBPNG_OBJ64 := ./obj-libpng64
 LIBPNG_OUT64 := $(TOOLS_DIR64)/lib/libprotonpng16.dylib
 LIBPNG_OUT32 := $(TOOLS_DIR32)/lib/libprotonpng16.dylib
 
+LIBJPEG := $(SRCDIR)/libjpeg-turbo
+LIBJPEGPROTON := ./syn-libjpeg
+LIBJPEG_OBJ32 := ./obj-libjpeg32
+LIBJPEG_OBJ64 := ./obj-libjpeg64
+LIBJPEG_OUT64 := $(TOOLS_DIR64)/lib/libprotonjpeg.dylib
+LIBJPEG_OUT32 := $(TOOLS_DIR32)/lib/libprotonjpeg.dylib
+
 ## Object directories
 OBJ_DIRS := $(TOOLS_DIR32)        $(TOOLS_DIR64)        \
             $(FREETYPE_OBJ32)     $(FREETYPE_OBJ64)     \
@@ -277,7 +284,8 @@ OBJ_DIRS := $(TOOLS_DIR32)        $(TOOLS_DIR64)        \
             $(VRCLIENT_OBJ32)     $(VRCLIENT_OBJ64)     \
             $(DXVK_OBJ32)         $(DXVK_OBJ64)         \
             $(CMAKE_OBJ32)        $(CMAKE_OBJ64)        \
-            $(LIBPNG_OBJ32)       $(LIBPNG_OBJ64)
+            $(LIBPNG_OBJ32)       $(LIBPNG_OBJ64)       \
+            $(LIBJPEG_OBJ32)      $(LIBJPEG_OBJ64)
 
 $(OBJ_DIRS):
 	mkdir -p $@
@@ -532,6 +540,77 @@ libpng32-intermediate: $(LIBPNG_CONFIGURE_FILES32)
 
 endif # ifeq ($(OSX),1)
 
+##
+## libjpeg
+##
+
+ifeq ($(OSX),1) # currently only for OS X builds
+
+## Synthetic libjpeg for autogen
+$(LIBJPEGPROTON)/.created: $(LIBJPEG) $(MAKEFILE_DEP) $(LIBJPEG)/configure.ac
+	rm -rf ./$(LIBJPEGPROTON)
+	mkdir -p $(LIBJPEGPROTON)/
+	cd $(LIBJPEGPROTON)/ && \
+		ln -sfv ../$(LIBJPEG)/* .
+	rm -f $(LIBJPEGPROTON)/configure
+	cd $(LIBJPEGPROTON) && autoreconf -fiv
+	touch $(LIBJPEGPROTON)/.created
+
+$(LIBJPEGPROTON): $(LIBJPEGPROTON)/.created
+
+## Create & configure object directory for libjpeg
+
+LIBJPEG_CONFIGURE_FILES32 := $(LIBJPEG_OBJ32)/Makefile
+LIBJPEG_CONFIGURE_FILES64 := $(LIBJPEG_OBJ64)/Makefile
+
+# 64-bit configure
+$(LIBJPEG_CONFIGURE_FILES64): $(LIBJPEG_AUTOGEN_FILES) $(MAKEFILE_DEP) $(LIBJPEGPROTON) | $(LIBJPEG_OBJ64)
+	cd $(dir $@) && \
+		$(abspath $(LIBJPEGPROTON)/configure) --prefix=$(abspath $(TOOLS_DIR64)) --host x86_64-apple-darwin
+
+# 32bit-configure
+$(LIBJPEG_CONFIGURE_FILES32): $(LIBJPEG_AUTOGEN_FILES) $(MAKEFILE_DEP) $(LIBJPEGPROTON) | $(LIBJPEG_OBJ32)
+	cd $(dir $@) && \
+		$(abspath $(LIBJPEGPROTON)/configure) --prefix=$(abspath $(TOOLS_DIR32)) --host i686-apple-darwin \
+			CFLAGS='-O3 -g -m32' LDFLAGS=-m32
+
+## Libjpeg goals
+
+.PHONY: libjpeg libjpeg32 libjpeg64 libjpeg_configure libjpeg_configure32 libjpeg_configure64
+
+GOAL_TARGETS += libjpeg
+
+libjpeg_configure: $(LIBJPEG_CONFIGURE_FILES32) $(LIBJPEG_CONFIGURE_FILES64)
+
+libjpeg_configure64: $(LIBJPEG_CONFIGURE_FILES64)
+
+libjpeg_configure32: $(LIBJPEG_CONFIGURE_FILES32)
+
+libjpeg: libjpeg32 libjpeg64
+
+# Make silliness to make both the explicit libjpeg goal and the outfile come from the same recipe
+.INTERMEDIATE: libjpeg64-intermediate libjpeg32-intermediate
+
+$(LIBJPEG_OUT64) libjpeg64: libjpeg64-intermediate
+
+$(LIBJPEG_OUT32) libjpeg32: libjpeg32-intermediate
+
+libjpeg64-intermediate: $(LIBJPEG_CONFIGURE_FILES64)
+	$(MAKE) -C $(LIBJPEG_OBJ64)
+	$(MAKE) -C $(LIBJPEG_OBJ64) install
+	mv $(TOOLS_DIR64)/lib/lib{,proton}jpeg.dylib
+	cp $(LIBJPEG_OUT64) $(DST_DIR)/lib64
+	$(STRIP) $(DST_DIR)/lib64/libprotonjpeg.dylib
+
+libjpeg32-intermediate: $(LIBJPEG_CONFIGURE_FILES32)
+	$(MAKE) -C $(LIBJPEG_OBJ32)
+	$(MAKE) -C $(LIBJPEG_OBJ32) install
+	mv $(TOOLS_DIR32)/lib/lib{,proton}jpeg.dylib
+	cp $(LIBJPEG_OUT32) $(DST_DIR)/lib
+	$(STRIP) $(DST_DIR)/lib/libprotonjpeg.dylib
+
+endif # ifeq ($(OSX),1)
+
 ##
 ## OpenAL
 ##
@@ -783,7 +862,7 @@ WINE_CONFIGURE_FILES64 := $(WINE_OBJ64)/Makefile
 
 # 64bit-configure
 $(WINE_CONFIGURE_FILES64): SHELL = $(CONTAINER_SHELL64)
-$(WINE_CONFIGURE_FILES64): $(MAKEFILE_DEP) | $(WINE_OBJ64) $(FREETYPE_OUT64) $(LIBPNG_OUT64)
+$(WINE_CONFIGURE_FILES64): $(MAKEFILE_DEP) | $(WINE_OBJ64) $(FREETYPE_OUT64) $(LIBPNG_OUT64) $(LIBJPEG_OUT64)
 	cd $(dir $@) && \
 	STRIP=$(STRIP) \
 	CFLAGS=-I$(abspath $(TOOLS_DIR64))"/include -g -O2" \
@@ -806,7 +885,7 @@ $(WINE_CONFIGURE_FILES64): $(MAKEFILE_DEP) | $(WINE_OBJ64) $(FREETYPE_OUT64) $(L
 
 # 32-bit configure
 $(WINE_CONFIGURE_FILES32): SHELL = $(CONTAINER_SHELL32)
-$(WINE_CONFIGURE_FILES32): $(MAKEFILE_DEP) | $(WINE_OBJ32) $(FREETYPE_OUT32) $(LIBPNG_OUT32)
+$(WINE_CONFIGURE_FILES32): $(MAKEFILE_DEP) | $(WINE_OBJ32) $(FREETYPE_OUT32) $(LIBPNG_OUT32) $(LIBJPEG_OUT32)
 	cd $(dir $@) && \
 	STRIP=$(STRIP) \
 	CFLAGS=-I$(abspath $(TOOLS_DIR32))"/include -g -O2" \
@@ -1097,7 +1176,6 @@ dxvk32: $(DXVK_CONFIGURE_FILES32)
 endif # NO_DXVK
 
 # TODO OS X
-#  build_libjpeg
 #  build_libSDL
 #  build_moltenvk