From 22a8f1164897132f22644864d179313f4e353502 Mon Sep 17 00:00:00 2001
From: Mattias Andrée <maandree@operamail.com>
Date: Tue, 10 Nov 2015 00:36:14 +0100
Subject: add ability to select clock
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Signed-off-by: Mattias Andrée <maandree@operamail.com>
---
 Makefile | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index d1ac213..1accbd7 100644
--- a/Makefile
+++ b/Makefile
@@ -30,6 +30,10 @@ PKGNAME = sleep-until
 COMMAND = sleep-until
 
 
+# The https://github.com/maandree/gpp command.
+GPP = gpp
+
+
 WARN = -Wall -Wextra -pedantic -Wdouble-promotion -Wformat=2 -Winit-self -Wmissing-include-dirs      \
        -Wtrampolines -Wmissing-prototypes -Wmissing-declarations -Wnested-externs                    \
        -Wno-variadic-macros -Wsync-nand -Wunsafe-loop-optimizations -Wcast-align                     \
@@ -62,10 +66,13 @@ bin/sleep-until: obj/sleep-until.o
 	@mkdir -p bin
 	$(CC) $(FLAGS) -o $@ $^ $(LDFLAGS)
 
-obj/sleep-until.o: src/sleep-until.c
-	@mkdir -p obj
+obj/sleep-until.o: obj/sleep-until.c
 	$(CC) $(FLAGS) -c -o $@ $< $(CFLAGS) $(CPPFLAGS)
 
+obj/sleep-until.c: src/sleep-until.c
+	@mkdir -p obj
+	gpp -s '$$' -i $< -o $@
+
 # Build rules for documentation.
 
 .PHONY: doc
-- 
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