From f02c572618bdca669c61cd3cb51a8b85e0fc6657 Mon Sep 17 00:00:00 2001
From: Dane Springmeyer <dane@mapbox.com>
Date: Thu, 8 May 2014 14:25:36 -0700
Subject: [PATCH 1/3] clear xcode caches if they appear older than a day - refs
 #174

---
 Makefile | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/Makefile b/Makefile
index c16c3f87c..c1310d155 100644
--- a/Makefile
+++ b/Makefile
@@ -51,18 +51,21 @@ run-linux: linux
 
 ##### Xcode projects ###########################################################
 
+clear_xcode_cache:
+	@if [[ -d ~/Library/Developer/Xcode/DerivedData/ ]]; then echo 'clearing files in xcode cache older than one day'; find ~/Library/Developer/Xcode/DerivedData/* -mtime +1 | xargs rm -rf; fi
+
 # build Mac OS X project for Xcode
-xproj: config.gypi macosx/llmr-app.gyp
+xproj: config.gypi macosx/llmr-app.gyp clear_xcode_cache
 	deps/run_gyp macosx/llmr-app.gyp --depth=. --generator-output=./build -f xcode
 	open ./build/macosx/llmr-app.xcodeproj
 
 # build iOS project for Xcode
-iproj: config.gypi ios/llmr-app.gyp
+iproj: config.gypi ios/llmr-app.gyp clear_xcode_cache
 	deps/run_gyp ios/llmr-app.gyp --depth=. --generator-output=./build -f xcode
 	open ./build/ios/llmr-app.xcodeproj
 
 # build Linux project for Xcode (Runs on Mac OS X too, but without platform-specific code)
-lproj: config.gypi linux/llmr-app.gyp
+lproj: config.gypi linux/llmr-app.gyp clear_xcode_cache
 	deps/run_gyp linux/llmr-app.gyp --depth=. --generator-output=./build -f xcode
 	open ./build/linux/llmr-app.xcodeproj
 

From 53decedf85b847d41f067c3a2194c65eb4ccc1db Mon Sep 17 00:00:00 2001
From: Dane Springmeyer <dane@mapbox.com>
Date: Fri, 9 May 2014 14:08:58 -0700
Subject: [PATCH 2/3] more selective cache clear

---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index c1310d155..fd4d7d02b 100644
--- a/Makefile
+++ b/Makefile
@@ -52,7 +52,7 @@ run-linux: linux
 ##### Xcode projects ###########################################################
 
 clear_xcode_cache:
-	@if [[ -d ~/Library/Developer/Xcode/DerivedData/ ]]; then echo 'clearing files in xcode cache older than one day'; find ~/Library/Developer/Xcode/DerivedData/* -mtime +1 | xargs rm -rf; fi
+	@if [[ -d ~/Library/Developer/Xcode/DerivedData/ ]]; then echo 'clearing files in ~/Library/Developer/Xcode/DerivedData/ older than one day'; find ~/Library/Developer/Xcode/DerivedData/llmr-app-* -mtime +1 | xargs rm -rf; fi
 
 # build Mac OS X project for Xcode
 xproj: config.gypi macosx/llmr-app.gyp clear_xcode_cache

From 854de240553e3b0cea428339acb38c5a6c5f8f9d Mon Sep 17 00:00:00 2001
From: Dane Springmeyer <dane@mapbox.com>
Date: Tue, 13 May 2014 12:12:12 -0700
Subject: [PATCH 3/3] push improvement for smart cache clearing from @wsnook

---
 Makefile | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index c83d2e694..c11b64160 100644
--- a/Makefile
+++ b/Makefile
@@ -53,6 +53,17 @@ run-linux: linux
 
 ##### Xcode projects ###########################################################
 
+clear_xcode_cache:
+    @CUSTOM_DD=`defaults read com.apple.dt.Xcode IDECustomDerivedDataLocation 2>/dev/null`; \
+    if [[ $$CUSTOM_DD ]]; then \
+        echo clearing files in $$CUSTOM_DD older than one day; \
+        find $$CUSTOM_DD/llmr-app-* -mtime +1 | xargs rm -rf; \
+    fi; \
+    if [[ -d ~/Library/Developer/Xcode/DerivedData/ ]] && [[ ! $$CUSTOM_DD ]]; then \
+        echo 'clearing files in ~/Library/Developer/Xcode/DerivedData/llmr-app-* older than one day'; \
+        find ~/Library/Developer/Xcode/DerivedData/llmr-app-* -mtime +1 | xargs rm -rf; \
+    fi
+
 clear_xcode_cache:
 	@if [[ -d ~/Library/Developer/Xcode/DerivedData/ ]]; then echo 'clearing files in ~/Library/Developer/Xcode/DerivedData/ older than one day'; find ~/Library/Developer/Xcode/DerivedData/llmr-app-* -mtime +1 | xargs rm -rf; fi
 
@@ -74,13 +85,12 @@ lproj: config.gypi linux/llmr-app.gyp clear_xcode_cache node
 
 ##### Maintenace operations ####################################################
 
-clean:
+clean: clear_xcode_cache
 	-rm -rf ./build/Release
 	-rm -rf ./build/Debug
 	-rm -f include/llmr/shader/shaders.hpp
 	-rm -f include/llmr/style/resources.hpp
 	-rm -f src/style/resources.cpp
-	-rm -rf ~/Library/Developer/Xcode/DerivedData/llmr*
 
 distclean: clean
 	-rm -rf ./build