From 04fe8cc0a2563f9ea7566323679e7b4de177c9ec Mon Sep 17 00:00:00 2001
From: Loic Blot <loic.blot@unix-experience.fr>
Date: Mon, 21 May 2018 21:04:18 +0200
Subject: Update macosx build from master

---
 util/travis/before_install.sh |  4 +---
 util/travis/common.sh         | 47 ++++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 47 insertions(+), 4 deletions(-)

diff --git a/util/travis/before_install.sh b/util/travis/before_install.sh
index af69f78ca..b87668cce 100755
--- a/util/travis/before_install.sh
+++ b/util/travis/before_install.sh
@@ -33,9 +33,7 @@ if [[ $PLATFORM == "Unix" ]]; then
 		fi
 
 	else
-		brew update
-		brew install freetype gettext hiredis irrlicht jpeg leveldb libogg libvorbis luajit
-		#brew upgrade postgresql
+		install_macosx_deps
 	fi
 elif [[ $PLATFORM == "Win32" ]]; then
 	sudo apt-get update
diff --git a/util/travis/common.sh b/util/travis/common.sh
index 35ceec08d..949540967 100644
--- a/util/travis/common.sh
+++ b/util/travis/common.sh
@@ -1,9 +1,54 @@
 #!/bin/bash -e
 
+set_linux_compiler_env() {
+	if [[ "${COMPILER}" == "gcc-5.1" ]]; then
+		export CC=gcc-5.1
+		export CXX=g++-5.1
+	elif [[ "${COMPILER}" == "gcc-6" ]]; then
+		export CC=gcc-6
+		export CXX=g++-6
+	elif [[ "${COMPILER}" == "gcc-7" ]]; then
+		export CC=gcc-7
+		export CXX=g++-7
+	elif [[ "${COMPILER}" == "clang-3.6" ]]; then
+		export CC=clang-3.6
+		export CXX=clang++-3.6
+	elif [[ "${COMPILER}" == "clang-5.0" ]]; then
+		export CC=clang-5.0
+		export CXX=clang++-5.0
+	fi
+}
+
+# Linux build only
+install_linux_deps() {
+	sudo apt-get update
+	sudo apt-get install libirrlicht-dev cmake libbz2-dev libpng12-dev \
+		libjpeg-dev libxxf86vm-dev libgl1-mesa-dev libsqlite3-dev \
+		libhiredis-dev libogg-dev libgmp-dev libvorbis-dev libopenal-dev \
+		gettext libpq-dev libleveldb-dev
+}
+
+# Mac OSX build only
+install_macosx_deps() {
+	brew update
+	brew install freetype gettext hiredis irrlicht leveldb libogg libvorbis luajit
+	if brew ls | grep -q jpeg; then
+		brew upgrade jpeg
+	else
+		brew install jpeg
+	fi
+	#brew upgrade postgresql
+}
+
 # Relative to git-repository root:
 TRIGGER_COMPILE_PATHS="src/.*\.(c|cpp|h)|CMakeLists.txt|cmake/Modules/|util/travis/|util/buildbot/"
 
 needs_compile() {
-	git diff --name-only $TRAVIS_COMMIT_RANGE | egrep -q "^($TRIGGER_COMPILE_PATHS)"
+	RANGE="$TRAVIS_COMMIT_RANGE"
+	if [[ "$(git diff --name-only $RANGE -- 2>/dev/null)" == "" ]]; then
+		RANGE="$TRAVIS_COMMIT^...$TRAVIS_COMMIT"
+		echo "Fixed range: $RANGE"
+	fi
+	git diff --name-only $RANGE -- | egrep -q "^($TRIGGER_COMPILE_PATHS)"
 }
 
-- 
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