From e1cfd1c7d296cd691d2194187575f3302f66ef92 Mon Sep 17 00:00:00 2001
From: Tobias Wiese <tobias@tobiaswiese.com>
Date: Fri, 7 Aug 2020 17:40:14 +0200
Subject: reorganize directory structure.

move the content of the src/ directory up into the root.
There is no real need for putting those files inside an extra directory.

Signed-off-by: Tobias Wiese <tobias@tobiaswiese.com>
---
 Makefile | 49 ++++++++++++++++++++++++++++++++++++++++---------
 1 file changed, 40 insertions(+), 9 deletions(-)

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index b82db39..341cd46 100644
--- a/Makefile
+++ b/Makefile
@@ -1,14 +1,45 @@
-SHELL   = /bin/sh
-prefix  = /usr/local
+SHELL = /bin/sh
+prefix = /usr/local
 
-.PHONY: all clean
-all clean:
-	@$(MAKE) -C src/ $@
+VERSION = $(shell git describe --dirty --always)
+DATE_FMT = +%b %d %Y %H:%M:%S UTC
+
+ifdef SOURCE_DATE_EPOCH
+	BUILD_DATE ?= $(shell \
+		date -u -d "@$(SOURCE_DATE_EPOCH)" "$(DATE_FMT)" 2>/dev/null \
+		|| date -u -r "@$(SOURCE_DATE_EPOCH)" "$(DATE_FMT)" 2>/dev/null \
+		|| date -u "$(DATE_FMT)")
+else
+	BUILD_DATE ?= $(shell date -u "$(DATE_FMT)")
+endif
+
+INSTALL	= install
+
+CFLAGS += -Wall -DVERSION="\"$(VERSION)\"" -DBUILD_DATE="\"$(BUILD_DATE)\""
+LDFLAGS +=
+
+TARGETS := exchange
+MAINS := $(addsuffix .o, $(TARGETS))
+OBJ := $(MAINS)
+
+.PHONY: all
+all: $(TARGETS)
+
+.PHONY: clean
+clean:
+	rm -f $(OBJ) $(TARGETS)
 
 .PHONY: distclean
 distclean: clean
 
-.PHONY: install uninstall
-install uninstall:
-	$(eval dd := $(shell test -z "$(DESTDIR)" || realpath -m "$(DESTDIR)"))
-	@$(MAKE) -C src/ $@ DESTDIR=$(dd) prefix=$(prefix)
+.PHONY: install
+install: $(TARGETS)
+	$(INSTALL) -Dt "$(DESTDIR)$(prefix)/bin" $(TARGETS)
+
+.PHONY: uninstall
+uninstall:
+	cd $(DESTDIR)$(prefix)/bin && rm -f $(TARGETS)
+
+
+$(TARGETS): % : %.o
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^
-- 
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