Avoid platform sed differences

Makefile

@@ -264,6 +264,7 @@ VORBISDIR=$(MOUNT_DIR)/libvorbis-1.3.6
 OPUSDIR=$(MOUNT_DIR)/opus-1.2.1
 OPUSFILEDIR=$(MOUNT_DIR)/opusfile-0.9
 ZDIR=$(MOUNT_DIR)/zlib
+TOOLSDIR=$(MOUNT_DIR)/tools
 Q3ASMDIR=$(MOUNT_DIR)/tools/asm
 LBURGDIR=$(MOUNT_DIR)/tools/lcc/lburg
 Q3CPPDIR=$(MOUNT_DIR)/tools/lcc/cpp
@@ -1222,9 +1223,7 @@ endef
 define DO_REF_STR
 $(echo_cmd) "REF_STR $<"
 $(Q)rm -f $@
-$(Q)echo "const char *fallbackShader_$(notdir $(basename $<)) =" >> $@
-$(Q)cat $< | sed -e 's/^\(.*\)$$/\"\1\\n\"/' >> $@
-$(Q)echo ";" >> $@
+$(Q)$(STRINGIFY) $< $@
 endef
 
 define DO_BOT_CC
@@ -1490,6 +1489,7 @@ Q3RCC       = $(B)/tools/q3rcc$(TOOLS_BINEXT)
 Q3CPP       = $(B)/tools/q3cpp$(TOOLS_BINEXT)
 Q3LCC       = $(B)/tools/q3lcc$(TOOLS_BINEXT)
 Q3ASM       = $(B)/tools/q3asm$(TOOLS_BINEXT)
+STRINGIFY   = $(B)/tools/stringify$(TOOLS_BINEXT)
 
 LBURGOBJ= \
   $(B)/tools/lburg/lburg.o \
@@ -1583,6 +1583,10 @@ $(Q3LCC): $(Q3LCCOBJ) $(Q3RCC) $(Q3CPP)
 	$(echo_cmd) "LD $@"
 	$(Q)$(TOOLS_CC) $(TOOLS_CFLAGS) $(TOOLS_LDFLAGS) -o $@ $(Q3LCCOBJ) $(TOOLS_LIBS)
 
+$(STRINGIFY): $(TOOLSDIR)/stringify.c
+	$(echo_cmd) "CC $@"
+	$(Q)$(TOOLS_CC) $(TOOLS_CFLAGS) $(TOOLS_LDFLAGS) -o $@ $(TOOLSDIR)/stringify.c $(TOOLS_LIBS)
+
 define DO_Q3LCC
 $(echo_cmd) "Q3LCC $<"
 $(Q)$(Q3LCC) $(BASEGAME_CFLAGS) -o $@ $<
@@ -2725,7 +2729,7 @@ $(B)/renderergl1/%.o: $(RGL1DIR)/%.c
 $(B)/renderergl1/tr_altivec.o: $(RGL1DIR)/tr_altivec.c
 	$(DO_REF_CC_ALTIVEC)
 
-$(B)/renderergl2/glsl/%.c: $(RGL2DIR)/glsl/%.glsl
+$(B)/renderergl2/glsl/%.c: $(RGL2DIR)/glsl/%.glsl $(STRINGIFY)
 	$(DO_REF_STR)
 
 $(B)/renderergl2/glsl/%.o: $(B)/renderergl2/glsl/%.c
@@ -2950,7 +2954,7 @@ toolsclean2:
 	@echo "TOOLS_CLEAN $(B)"
 	@rm -f $(TOOLSOBJ)
 	@rm -f $(TOOLSOBJ_D_FILES)
-	@rm -f $(LBURG) $(DAGCHECK_C) $(Q3RCC) $(Q3CPP) $(Q3LCC) $(Q3ASM)
+	@rm -f $(LBURG) $(DAGCHECK_C) $(Q3RCC) $(Q3CPP) $(Q3LCC) $(Q3ASM) $(STRINGIFY)
 
 distclean: clean toolsclean
 	@rm -rf $(BUILD_DIR)