From 27a4b74521084eafdce83e3d1e2a4959fac845a1 Mon Sep 17 00:00:00 2001
From: Michal Sojka <michal.sojka@cvut.cz>
Date: Fri, 13 Jul 2018 16:01:00 +0200
Subject: [PATCH] Makefile: Do not run cmake if it has already been run

---
 Makefile | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 310d162..87264b1 100644
--- a/Makefile
+++ b/Makefile
@@ -21,9 +21,14 @@ CMAKE_OTPS_cufft             = -DFFT=cuFFT
 CMAKE_OTPS_cufft_big         = -DFFT=cuFFT -DBIG_BATCH=ON
 CMAKE_OTPS_cufft_big_openmp  = -DFFT=cuFFT -DBIG_BATCH=ON -DOPENMP=ON
 
-build-%/kcf_vot: $(shell git ls-files)
+.SECONDARY: $(BUILDS:%=build-%/build.ninja)
+
+build-%/build.ninja:
 	mkdir -p $(@D)
 	cd $(@D) && cmake $(CMAKE_OPTS) $(CMAKE_OTPS_$*) ..
+
+.PHONY: FORCE
+build-%/kcf_vot: build-%/build.ninja FORCE
 	cmake --build $(@D)
 
 $(BUILDS): %: build-%/kcf_vot
-- 
2.39.2