1 files changed, 62 insertions, 0 deletions

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..6d3a4ab
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,62 @@
+OPTIMIZE ?= -O3
+DEBUG ?= -g
+
+AR ?= ar
+CXX ?= g++
+
+CXXFLAGS := -Wall -Werror -std=c++20 -fPIC -iquote . ${OPTIMIZE} ${DEBUG}
+
+PARTS := $(shell find * -type d -\( -name build -prune -o -print -\))
+PARTARS := $(addprefix build/lib, $(addsuffix .a, ${PARTS}))
+PARTSOS := $(addprefix build/lib, $(addsuffix .so, ${PARTS}))
+
+MAINOBJS := $(addprefix build/, $(addsuffix .o, $(basename $(wildcard *.cpp))))
+MAINOBJS += build/git-tag.o
+
+all: issim
+
+issim: build/issim-dynamic
+        @ln -sf $< $@
+.PHONY: issim
+
+issim-static: build/issim-static
+        @ln -sf $< $@
+.PHONY: issim-static
+
+build/issim-dynamic: ${MAINOBJS} ${PARTSOS}
+        @mkdir -p $(dir $@)
+        ${CXX} ${CXXFLAGS} -o $@ $+
+
+build/issim-static: ${MAINOBJS} ${PARTARS}
+        @mkdir -p $(dir $@)
+        ${CXX} ${CXXFLAGS} -o $@ $+
+
+clean:
+        rm -rf build issim issim-static
+.PHONY: clean
+
+build/git-tag.cpp:
+        @mkdir -p $(dir $@)
+        ./get-git-tag > $@
+.PHONY: build/git-tag.cpp
+
+build/%.o: %.cpp Makefile
+        @mkdir -p $(dir $@)
+        ${CXX} ${CXXFLAGS} -c -o $@ $<
+
+build/%.o: build/%.cpp Makefile
+        @mkdir -p $(dir $@)
+        ${CXX} ${CXXFLAGS} -c -o $@ $<
+
+.SUFFIXES:
+.SECONDARY:
+
+.SECONDEXPANSION:
+
+build/lib%.a: $$(addprefix build/, $$(addsuffix .o, $$(basename $$(wildcard %/*.cpp))))
+        @mkdir -p $(dir $@)
+        ${AR} cr $@ $+
+
+build/lib%.so: $$(addprefix build/, $$(addsuffix .o, $$(basename $$(wildcard %/*.cpp))))
+        @mkdir -p $(dir $@)
+        ${CXX} ${CXXFLAGS} -shared -o $@ $+