copy speedymalloc's build system

Thanks to Florian Schmaus for most of the work.

1 files changed, 57 insertions, 0 deletions

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..1def4c2
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,57 @@
+SHELL=bash
+
+# https://stackoverflow.com/a/39124162/194894
+word-dot = $(word $2,$(subst ., ,$1))
+
+MESON_VERSION=$(shell meson --version)
+MESON_MAJOR_VERSION=$(call word-dot, $(MESON_VERSION), 1)
+MESON_MINOR_VERSION=$(call word-dot, $(MESON_VERSION), 2)
+
+.PHONY: all build builddir check check-format clean debug format release
+
+all: release
+
+BUILDTYPE ?= debugoptimized
+BUILDDIR := build-$(BUILDTYPE)
+
+release:
+	$(MAKE) build BUILDTYPE=$@
+
+debug:
+	$(MAKE) build BUILDTYPE=$@
+
+build: builddir
+	ninja -C $(BUILDDIR)
+
+builddir:
+	[[ -d $(BUILDDIR) ]] || mkdir $(BUILDDIR)
+	[[ -d build && $(shell realpath $(BUILDDIR)) == $(shell realpath build) ]] || ( \
+		rm -f build && \
+		ln -rs $(BUILDDIR) build && \
+		meson --buildtype=$(BUILDTYPE) $(BUILDDIR) \
+	)
+
+
+CHECK_NINJA_TARGETS += test
+
+# Meson >= 0.52 will automatically generate a clang-tidy target if a
+# .clang-tidy file is found.
+# Source version check: https://stackoverflow.com/a/3732456/194894
+ifeq ($(shell [ $(MESON_MINOR_VERSION) -ge 52 ] && echo true), true)
+CHECK_NINJA_TARGETS += clang-tidy
+else
+$(warning old mesion version $(MESON_VERSION) detected, meson >= 0.52 required for clang-tidy)
+endif
+
+check: all check-format
+	ninja -C build $(CHECK_NINJA_TARGETS)
+
+format: all
+	ninja -C build clang-format
+
+check-format:
+	./tools/check-format
+
+clean:
+	rm -rf build
+	rm -rf build-*