diff --git a/Makefile b/Makefile
index 199c7700..80794482 100755
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,7 @@ C_FILES    := $(wildcard *.c) $(wildcard **/*.c)
 H_FILES    := $(wildcard *.h) $(wildcard **/*.h)
 
 WARNINGS   := -Wno-write-strings
-FLAGS      := -D_GNU_SOURCE -fPIC
+FLAGS      := -D_GNU_SOURCE -fPIC -fpermissive
 
 debug: FLAGS += -DDEV_BUILD
 debug: ../build/build
@@ -12,7 +12,7 @@ package: FLAGS += -DPACKAGE
 package: ../build/build
 
 ../build/build: $(CPP_FILES) $(C_FILES) $(H_FILES)
-	gcc $(WARNINGS) $(FLAGS) build.c -g -o $@
+	g++ $(WARNINGS) $(FLAGS) build.cpp -g -o $@
 	../build/build
 
 clean:
diff --git a/Makefile.inso b/Makefile.inso
new file mode 100644
index 00000000..9096786e
--- /dev/null
+++ b/Makefile.inso
@@ -0,0 +1,70 @@
+FLAGS := -Wno-write-strings -D_GNU_SOURCE -fno-threadsafe-statics \
+ -pthread -I../foreign -I. -Wno-literal-suffix
+LIBS  := -lX11 -lXfixes -lGL -lrt -ldl -lm -lfreetype -lfontconfig
+
+# main targets
+
+debug: FLAGS += -DFRED_SUPER=1 -DFRED_INTERNAL=1 -O0 -g
+debug: ../4ed ../4ed_app.so ../4coder_custom.so
+
+super: FLAGS += -DFRED_SUPER=1
+super: alpha ../4coder_custom.so
+
+alpha: FLAGS += -O3 -Wl,-s -fno-stack-protector -U_FORTIFY_SOURCE -DFRED_KEEP_ASSERT=1
+alpha: ../4ed ../4ed_app.so
+
+# auto-generated dependencies
+
+-include ../build/*.d
+
+# file targets
+
+../build:
+	mkdir $@
+
+../build/fsmgen: fsm_table_generator.cpp | ../build
+	$(CXX) -MMD $(FLAGS) $< -o $@
+	$@
+
+../build/metagen: 4ed_metagen.cpp | ../build
+	$(CXX) -MMD $(FLAGS) $< -o $@
+	$@
+
+../4ed: linux_4ed.cpp ../build/fsmgen ../build/metagen
+	$(CXX) -MMD -MF ../build/4ed.d $(FLAGS) $(shell pkg-config --cflags freetype2) $< -o $@ $(LIBS)
+
+../4ed_app.so: 4ed_app_target.cpp ../build/fsmgen ../build/metagen
+	$(CXX) -MMD -MF ../build/app.d $(FLAGS) -fPIC -shared $< -o $@
+
+../4coder_custom.so: power/4coder_experiments.cpp ../build/fsmgen ../build/metagen
+	$(CXX) -MMD -MF ../build/custom.d $(FLAGS) -I. -fPIC -shared $< -o $@
+
+# cleaning
+
+clean:
+	$(RM) ../4ed_app.so ../4ed ../4coder_custom.so
+
+veryclean: clean
+	$(RM) ../build/fsmgen ../build/metagen ../build/*.d
+
+# packaging
+
+PACKAGE_FILES := ../4ed ../4ed_app.so README.txt TODO.txt
+V_MAJ := $(shell grep "define MAJOR" 4coder_version.h | cut -d\  -f 3)
+V_MIN := $(shell grep "define MINOR" 4coder_version.h | cut -d\  -f 3)
+V_PCH := $(shell grep "define PATCH" 4coder_version.h | cut -d\  -f 3)
+
+super_zip: PACKAGE_FILES += ../4coder_custom.so 4coder_*.h 4coder_*.cpp buildsuper.sh
+super_zip: ../4coder-linux-64-$(V_MAJ)-$(V_MIN)-$(V_PCH)-super.zip
+alpha_zip: ../4coder-linux-64-$(V_MAJ)-$(V_MIN)-$(V_PCH)-alpha.zip
+
+../4coder-linux-64-$(V_MAJ)-$(V_MIN)-$(V_PCH)-%.zip: %
+	@echo === Creating $@ ===
+	zip -j $@ $(PACKAGE_FILES)
+	$(MAKE) clean
+
+package: clean
+	$(MAKE) alpha_zip
+	$(MAKE) super_zip
+
+.PHONY: debug alpha super all clean veryclean package alpha_zip super_zip
diff --git a/build.cpp b/build.cpp
index 8f2c1d72..15a25a3d 100644
--- a/build.cpp
+++ b/build.cpp
@@ -557,10 +557,13 @@ build_cl(uint32_t flags,
 }
 
 
+// NOTE(inso): added ../code to GCC_OPTS to allow metagen to build.
+// this is currently needed because it is built with cwd ../meta but includes
+// 4cpp_lexer.h which is in code/ whereas metagen.cpp is in code/site
 
 #define GCC_OPTS                             \
 "-Wno-write-strings -D_GNU_SOURCE -fPIC "    \
-"-fno-threadsafe-statics -pthread"
+"-fno-threadsafe-statics -pthread -I../code"
 
 #define GCC_INCLUDES \
 "-I../foreign"
@@ -836,6 +839,7 @@ do_buildsuper(char *cdir){
     //copy_sc(&str, "../4vim/4coder_chronal.cpp");
     //terminate_with_null(&str);
     //buildsuper(cdir, BUILD_DIR, str.str);
+
     END_TIME_SECTION("build custom");
 }
 
diff --git a/site/meta_parser.cpp b/site/meta_parser.cpp
index 65badc77..1e21591d 100644
--- a/site/meta_parser.cpp
+++ b/site/meta_parser.cpp
@@ -1215,7 +1215,11 @@ compile_meta_unit(Partition *part, char *code_directory, char **files, Meta_Keyw
         char str_space[512];
         String name = make_fixed_width_string(str_space);
         append_sc(&name, code_directory);
+#ifdef _WIN32
         append_sc(&name, "\\");
+#else
+        append_sc(&name, "/");
+#endif
         append_sc(&name, *file_ptr);
         terminate_with_null(&name);