From 6603bec6ddc5e877d081d0438da128c656f11738 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Franti=C5=A1ek=20Boh=C3=A1=C4=8Dek?=
 <fandabohacek@gmail.com>
Date: Fri, 18 Jun 2021 08:49:05 +0200
Subject: [PATCH] fix: make Makefile delete old files if architecture is
 switched

---
 .gitignore |  4 ++++
 Makefile   | 22 +++++++++++++++++++---
 2 files changed, 23 insertions(+), 3 deletions(-)

diff --git a/.gitignore b/.gitignore
index 762677dc000adabbe04201941402f614b0d07a7d..184f8c72c7fbbac8cf6e3ed929ab11a6985e42eb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,7 @@ compile_commands.json
 ignore
 bin/
 obj/
+
+depend
+.computer
+.arm
\ No newline at end of file
diff --git a/Makefile b/Makefile
index 593e448bee6758a73867c13e683443cc20b0c6a1..d749e3ddaabe7228faef250af21f39c4686b3f8a 100644
--- a/Makefile
+++ b/Makefile
@@ -20,12 +20,27 @@ SSH_OPTIONS+=-i ~/.ssh/mzapo-root-key
 #SSH_OPTIONS=-i /opt/zynq/ssh-connect/mzapo-root-key
 #SSH_OPTIONS=-o 'ProxyJump=ctu_login@postel.felk.cvut.cz'
 
-all: image-viewer FORCE
+IMAGE_VIEWER=./bin/image-viewer
+LIB_PHERIPHERALS=./bin/lib_pheripherals.so
 
-image-viewer: FORCE lib-pheripherals
+ifdef ($(COMPUTER))
+DEPENDENCIES=./.computer
+else
+DEPENDENCIES=./.arm
+endif
+
+all: $(DEPENDENCIES) image-viewer
+
+image-viewer: $(IMAGE_VIEWER)
+lib-pheripherals: $(LIB_PHERIPHERALS)
+
+$(IMAGE_VIEWER): $(DEPENDENCIES) lib-pheripherals
 	@make -C image-viewer
 
-lib-pheripherals: FORCE
+$(DEPENDENCIES): clean
+	touch $(DEPENDENCIES)
+
+$(LIB_PHERIPHERALS):
 	@make -C lib-pheripherals
 
 copy-executable: all
@@ -41,6 +56,7 @@ clean:
 	@make -C image-viewer clean
 	@make -C lib-pheripherals clean
 	$(RM) -rf $(BIN_DIR)
+	$(RM) -rf ./.computer ./.arm
 
 FORCE: ;