3447 - drop dependence on GNU make

A generic build system is overkill for such a small project, and it was
adding complexity on OpenBSD which doesn't come with GNU make by
default.

In the process we also eliminate our reliance on bash and perl, at least
for the core build script.

1 files changed, 0 insertions, 85 deletions

diff --git a/makefile b/makefile
deleted file mode 100644
index 1f5599d7..00000000
--- a/makefile
+++ /dev/null
@@ -1,85 +0,0 @@
-# [0-9]*.cc -> mu.cc -> .build/*.cc -> .build/*.o -> .build/mu_bin
-# (layers)   |        |              |             |
-#          tangle  cleave          $CXX          $CXX
-#
-# [0-9]*.mu -> core.mu
-
-all: mu_bin core.mu
-
-# beware: if you introduce or delete functions the makefile isn't smart enough
-# to recompute dependencies. You have to manually run 'make redo' to recreate
-# the .build/ directory from scratch.
-redo: clean1 all
-
-CXX ?= c++
-CXXFLAGS ?= -g -O3
-CXXFLAGS := ${CXXFLAGS} -Wall -Wextra -ftrapv -fno-strict-aliasing
-
-core.mu: [0-9]*.mu mu.cc makefile
-	cat $$(./enumerate/enumerate --until zzz |grep '.mu$$') > core.mu
-
-mu_bin: mu.cc makefile function_list test_list cleave/cleave
-	@mkdir -p .build
-	@cp function_list test_list .build
-	@mkdir -p .build/termbox
-	@cp termbox/termbox.h .build/termbox
-	@# split mu.cc into separate compilation units under .build/ to speed up recompiles
-	./cleave/cleave mu.cc .build
-	@# recursive (potentially parallel) make to pick up BUILD_SRC after cleave
-	@${MAKE} .build/mu_bin
-	cp .build/mu_bin .
-
-BUILD_SRC=$(wildcard .build/*.cc)
-.build/mu_bin: $(BUILD_SRC:.cc=.o) termbox/libtermbox.a
-	${CXX} ${LDFLAGS} .build/*.o termbox/libtermbox.a -o .build/mu_bin
-
-.build/%.o: .build/%.cc .build/header .build/global_declarations_list
-	@# explicitly state default rule since we added dependencies
-	${CXX} ${CXXFLAGS} -c $< -o $@
-
-# To see what the program looks like after all layers have been applied, read
-# mu.cc
-mu.cc: [0-9]*.cc enumerate/enumerate tangle/tangle
-	./tangle/tangle $$(./enumerate/enumerate --until zzz |grep -v '.mu$$') > mu.cc
-
-enumerate/enumerate: enumerate/*.cc
-	cd enumerate && ${MAKE}
-
-tangle/tangle: tangle/*.cc
-	cd tangle && ${MAKE} && ./tangle test
-
-cleave/cleave: cleave/*.cc
-	cd cleave && ${MAKE}
-	rm -rf .build
-
-termbox/libtermbox.a: termbox/*.c termbox/*.h termbox/*.inl
-	cd termbox && ${MAKE}
-
-# auto-generated files; by convention they end in '_list'.
-
-# auto-generated list of function declarations, so I can define them in any order
-function_list: mu.cc
-	@# functions start out unindented, have all args on the same line, and end in ') {'
-	@#                                      ignore methods
-	@grep -h "^[^[:space:]#].*) {$$" mu.cc |grep -v ":.*(" |perl -pwe 's/ \{.*/;/' > function_list
-
-# auto-generated list of tests to run
-test_list: mu.cc
-	@grep -h "^\s*void test_" mu.cc |perl -pwe 's/^\s*void (.*)\(\) \{.*/$$1,/' > test_list
-
-# auto-generated list of extern declarations to global variables
-# for separate compilation
-.build/global_declarations_list: .build/global_definitions_list
-	@grep ';' .build/global_definitions_list |perl -pwe 's/[=(].*/;/' |perl -pwe 's/^[^\/# ]/extern $$&/' |perl -pwe 's/^extern extern /extern /' > .build/global_declarations_list
-
-.PHONY: all redo clean clena
-
-clena: clean
-clean: clean1
-	cd enumerate && ${MAKE} clean
-	cd tangle && ${MAKE} clean
-	cd cleave && ${MAKE} clean
-	cd termbox && ${MAKE} clean
-
-clean1:
-	rm -rf mu.cc core.mu mu_bin* *_list .build