travis: Split build scripts for different platforms

This commit also separates clang-format from the linux build, closing #2702.

.travis/macos/build.sh

@@ -0,0 +1,12 @@
+#!/bin/bash -ex
+
+set -o pipefail
+
+export MACOSX_DEPLOYMENT_TARGET=10.9
+export Qt5_DIR=$(brew --prefix)/opt/qt5
+
+mkdir build && cd build
+cmake .. -DUSE_SYSTEM_CURL=ON -DCMAKE_OSX_ARCHITECTURES="x86_64;x86_64h" -DCMAKE_BUILD_TYPE=Release
+make -j4
+
+ctest -VV -C Release

.travis/macos/deps.sh

@@ -0,0 +1,4 @@
+#!/bin/sh -ex
+
+brew update
+brew install qt5 sdl2 dylibbundler p7zip

.travis/macos/upload.sh

@@ -0,0 +1,110 @@
+#!/bin/bash -ex
+
+. .travis/common/pre-upload.sh
+
+REV_NAME="citra-osx-${GITDATE}-${GITREV}"
+ARCHIVE_NAME="${REV_NAME}.tar.gz"
+COMPRESSION_FLAGS="-czvf"
+
+mkdir "$REV_NAME"
+
+cp build/src/citra/citra "$REV_NAME"
+cp -r build/src/citra_qt/citra-qt.app "$REV_NAME"
+
+# move qt libs into app bundle for deployment
+$(brew --prefix)/opt/qt5/bin/macdeployqt "${REV_NAME}/citra-qt.app"
+
+# move SDL2 libs into folder for deployment
+dylibbundler -b -x "${REV_NAME}/citra" -cd -d "${REV_NAME}/libs" -p "@executable_path/libs/"
+
+# Make the changes to make the citra-qt app standalone (i.e. not dependent on the current brew installation).
+# To do this, the absolute references to each and every QT framework must be re-written to point to the local frameworks
+# (in the Contents/Frameworks folder).
+# The "install_name_tool" is used to do so.
+
+# Coreutils is a hack to coerce Homebrew to point to the absolute Cellar path (symlink dereferenced). i.e:
+# ls -l /usr/local/opt/qt5:: /usr/local/opt/qt5 -> ../Cellar/qt5/5.6.1-1
+# grealpath ../Cellar/qt5/5.6.1-1:: /usr/local/Cellar/qt5/5.6.1-1
+brew install coreutils || brew upgrade coreutils || true
+
+REV_NAME_ALT=$REV_NAME/
+# grealpath is located in coreutils, there is no "realpath" for OS X :(
+QT_BREWS_PATH=$(grealpath "$(brew --prefix qt5)")
+BREW_PATH=$(brew --prefix)
+QT_VERSION_NUM=5
+
+$BREW_PATH/opt/qt5/bin/macdeployqt "${REV_NAME_ALT}citra-qt.app" \
+    -executable="${REV_NAME_ALT}citra-qt.app/Contents/MacOS/citra-qt"
+
+# These are the files that macdeployqt packed into Contents/Frameworks/ - we don't want those, so we replace them.
+declare -a macos_libs=("QtCore" "QtWidgets" "QtGui" "QtOpenGL" "QtPrintSupport")
+
+for macos_lib in "${macos_libs[@]}"
+do
+    SC_FRAMEWORK_PART=$macos_lib.framework/Versions/$QT_VERSION_NUM/$macos_lib
+    # Replace macdeployqt versions of the Frameworks with our own (from /usr/local/opt/qt5/lib/)
+    cp "$BREW_PATH/opt/qt5/lib/$SC_FRAMEWORK_PART" "${REV_NAME_ALT}citra-qt.app/Contents/Frameworks/$SC_FRAMEWORK_PART"
+
+    # Replace references within the embedded Framework files with "internal" versions.
+    for macos_lib2 in "${macos_libs[@]}"
+    do
+        # Since brew references both the non-symlinked and symlink paths of QT5, it needs to be duplicated.
+        # /usr/local/Cellar/qt5/5.6.1-1/lib and /usr/local/opt/qt5/lib both resolve to the same files.
+        # So the two lines below are effectively duplicates when resolved as a path, but as strings, they aren't.
+        RM_FRAMEWORK_PART=$macos_lib2.framework/Versions/$QT_VERSION_NUM/$macos_lib2
+        install_name_tool -change \
+            $QT_BREWS_PATH/lib/$RM_FRAMEWORK_PART \
+            @executable_path/../Frameworks/$RM_FRAMEWORK_PART \
+            "${REV_NAME_ALT}citra-qt.app/Contents/Frameworks/$SC_FRAMEWORK_PART"
+        install_name_tool -change \
+            "$BREW_PATH/opt/qt5/lib/$RM_FRAMEWORK_PART" \
+            @executable_path/../Frameworks/$RM_FRAMEWORK_PART \
+            "${REV_NAME_ALT}citra-qt.app/Contents/Frameworks/$SC_FRAMEWORK_PART"
+    done
+done
+
+# Handles `This application failed to start because it could not find or load the Qt platform plugin "cocoa"`
+# Which manifests itself as:
+# "Exception Type: EXC_CRASH (SIGABRT) | Exception Codes: 0x0000000000000000, 0x0000000000000000 | Exception Note: EXC_CORPSE_NOTIFY"
+# There may be more dylibs needed to be fixed...
+declare -a macos_plugins=("Plugins/platforms/libqcocoa.dylib")
+
+for macos_lib in "${macos_plugins[@]}"
+do
+    install_name_tool -id @executable_path/../$macos_lib "${REV_NAME_ALT}citra-qt.app/Contents/$macos_lib"
+    for macos_lib2 in "${macos_libs[@]}"
+    do
+        RM_FRAMEWORK_PART=$macos_lib2.framework/Versions/$QT_VERSION_NUM/$macos_lib2
+        install_name_tool -change \
+            $QT_BREWS_PATH/lib/$RM_FRAMEWORK_PART \
+            @executable_path/../Frameworks/$RM_FRAMEWORK_PART \
+            "${REV_NAME_ALT}citra-qt.app/Contents/$macos_lib"
+        install_name_tool -change \
+            "$BREW_PATH/opt/qt5/lib/$RM_FRAMEWORK_PART" \
+            @executable_path/../Frameworks/$RM_FRAMEWORK_PART \
+            "${REV_NAME_ALT}citra-qt.app/Contents/$macos_lib"
+    done
+done
+
+for macos_lib in "${macos_libs[@]}"
+do
+    # Debugging info for Travis-CI
+    otool -L "${REV_NAME_ALT}citra-qt.app/Contents/Frameworks/$macos_lib.framework/Versions/$QT_VERSION_NUM/$macos_lib"
+done
+
+# Make the citra-qt.app application launch a debugging terminal.
+# Store away the actual binary
+mv ${REV_NAME_ALT}citra-qt.app/Contents/MacOS/citra-qt ${REV_NAME_ALT}citra-qt.app/Contents/MacOS/citra-qt-bin
+
+cat > ${REV_NAME_ALT}citra-qt.app/Contents/MacOS/citra-qt <<EOL
+#!/usr/bin/env bash
+cd "\`dirname "\$0"\`"
+chmod +x citra-qt-bin
+open citra-qt-bin --args "\$@"
+EOL
+# Content that will serve as the launching script for citra (within the .app folder)
+
+# Make the launching script executable
+chmod +x ${REV_NAME_ALT}citra-qt.app/Contents/MacOS/citra-qt
+
+. .travis/common/post-upload.sh