infra: pepper some GNU on top of Makefile

.gitignore

@@ -1,3 +1,8 @@
-*.o
+# Chicken dependencies
+/.eggs
+/.eggs.lock
+
+# Compilation artifacts
 sexc
 sex-tests
+*.o

Makefile

@@ -1,9 +1,26 @@
 CHICKEN_C = csc
 CSC_FLAGS += -K prefix
+CHICKEN_INSTALL = chicken-install
+
+prefix ?= /usr/local
+exec_prefix ?= $(prefix)
+bindir ?= $(exec_prefix)/bin
 
 MODULES = sexc fmt-c fmt-c-writer semen sex-macros sex-modules sex-reader utils
 OBJ = $(MODULES:%=%.o)
 
+DEPSFILE = dependencies.txt
+DEPSLOCK = .eggs.lock
+
+DEPENDENCIES = $(shell cat $(DEPSFILE))
+CHICKEN_EXTERNAL_REPOSITORY := $(shell chicken-install -repository)
+
+export CHICKEN_EGG_CACHE=$(abspath .eggs)/cache
+export CHICKEN_REPOSITORY_PATH=$(abspath .eggs):$(CHICKEN_EXTERNAL_REPOSITORY)
+export CHICKEN_INSTALL_REPOSITORY=$(abspath .eggs)
+
+all: sexc
+
 sexc: main.o $(OBJ)
 	$(CHICKEN_C) $(CSC_FLAGS) $^ -o $@
 
@@ -13,9 +30,33 @@ main.o: main.scm
 %.o: %.scm
 	$(CHICKEN_C) $(CSC_FLAGS) $< -e -c -o $@
 
+install: sexc installdirs
+	install -m 755 ./sexc $(bindir)
+
+installdirs:
+	mkdir -pv $(bindir)
+
+uninstall:
+	rm -fv $(bindir)/sexc
+
 sex-tests: $(OBJ) tests/*.scm
 	cd ./tests && $(CHICKEN_C) $(CSC_FLAGS) run.scm -c -o sex-tests.o
 	$(CHICKEN_C) $(CSC_FLAGS) $(OBJ) ./tests/sex-tests.o -o sex-tests
 
+run-tests: sex-tests
+	./sex-tests
+
+.eggs.lock: $(DEPSFILE)
+	env | grep CHICKEN
+	$(CHICKEN_INSTALL) $(DEPENDENCIES)
+	touch $(DEPSLOCK)
+
+deps: $(DEPSLOCK)
+
 clean:
 	rm -f $(OBJ) sexc sex-tests main.o ./tests/sex-tests.o
+
+depclean:
+	rm -rf .eggs $(DEPSLOCK)
+
+.PHONY: all deps depclean clean

Readme.org

@@ -21,7 +21,24 @@ https://wiki.call-cc.org/man/5/Extension%20tools#changing-the-repository-locatio
 ~chicken-install `cat dependencies.txt`~
 
 ** Compilation
-~make~
+#+begin_src sh
+  make
+#+end_src
+
+** Static compilation
+If you want to make a self-contained binary, you'll need `chicken` with `libchicken.a` installed.
+
+#+begin_src sh
+  CSC_FLAGS=-static make
+#+end_src
+
+** Installation
+#+begin_src sh
+  # default installation (/usr/local/bin/)
+  make install
+  # you can customize the prefix (will install to ~/.local/bin)
+  make prefix=~/.local install
+#+end_src
 
 * Usage
 ** Summary