Replace travis with github actions (#9641)

* Move outside of travis to Github actions

This will permit to have better integrated CI workflow than the previous
travis one.

.github/workflows/build.yml

@@ -0,0 +1,171 @@
+name: build
+
+# build on c/cpp changes or workflow changes
+on:
+  push:
+    paths:
+      - 'lib/**.[ch]'
+      - 'lib/**.cpp'
+      - 'src/**.[ch]'
+      - 'src/**.cpp'
+      - '**/CMakeLists.txt'
+      - 'cmake/Modules/**'
+      - 'util/buildbot/**'
+      - 'util/ci/**'
+      - '.github/workflows/**.yml'
+  pull_request:
+    paths:
+      - 'lib/**.[ch]'
+      - 'lib/**.cpp'
+      - 'src/**.[ch]'
+      - 'src/**.cpp'
+      - '**/CMakeLists.txt'
+      - 'cmake/Modules/**'
+      - 'util/buildbot/**'
+      - 'util/ci/**'
+      - '.github/workflows/**.yml'
+
+jobs:
+  # This is our minor gcc compiler
+  gcc_6:
+    runs-on: ubuntu-18.04
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install compiler
+        run: |
+          sudo apt-get install g++-6 gcc-6 -qyy
+          source ./util/ci/common.sh
+          install_linux_deps
+
+      - name: Build
+        run: |
+          ./util/ci/build.sh
+        env:
+          CMAKE_FLAGS: "-DCMAKE_C_COMPILER=gcc-6 -DCMAKE_CXX_COMPILER=g++-6"
+
+      - name: Test
+        run: |
+          ./bin/minetest --run-unittests
+
+  # This is the current gcc compiler (available in bionic)
+  gcc_8:
+    runs-on: ubuntu-18.04
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install compiler
+        run: |
+          sudo apt-get install g++-8 gcc-8 -qyy
+          source ./util/ci/common.sh
+          install_linux_deps
+
+      - name: Build
+        run: |
+          ./util/ci/build.sh
+        env:
+          CMAKE_FLAGS: "-DCMAKE_C_COMPILER=gcc-8 -DCMAKE_CXX_COMPILER=g++-8"
+
+      - name: Test
+        run: |
+          ./bin/minetest --run-unittests
+
+  # This is our minor clang compiler
+  clang_3_9:
+    runs-on: ubuntu-18.04
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install compiler
+        run: |
+          sudo apt-get install clang-3.9 -qyy
+          source ./util/ci/common.sh
+          install_linux_deps
+
+      - name: Build
+        run: |
+          ./util/ci/build.sh
+        env:
+          CMAKE_FLAGS: "-DCMAKE_C_COMPILER=clang-3.9 -DCMAKE_CXX_COMPILER=clang++-3.9"
+
+      - name: Test
+        run: |
+          ./bin/minetest --run-unittests
+
+  # This is the current clang version
+  clang_9:
+    runs-on: ubuntu-18.04
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install compiler
+        run: |
+          sudo apt-get install clang-9 valgrind -qyy
+          source ./util/ci/common.sh
+          install_linux_deps
+        env:
+          WITH_LUAJIT: 1
+
+      - name: Build
+        run: |
+          ./util/ci/build.sh
+        env:
+          CMAKE_FLAGS: "-DCMAKE_C_COMPILER=clang-9 -DCMAKE_CXX_COMPILER=clang++-9"
+
+      - name: Test
+        run: |
+          ./bin/minetest --run-unittests
+
+      - name: Valgrind
+        run: |
+          valgrind --leak-check=full --leak-check-heuristics=all --undef-value-errors=no --error-exitcode=9 ./bin/minetest --run-unittests
+
+          
+  # Some builds doesn't require freetype, ensure it compiled properly
+  clang_9_no_freetype:
+    runs-on: ubuntu-18.04
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install compiler
+        run: |
+          sudo apt-get install clang-9 -qyy
+          source ./util/ci/common.sh
+          install_linux_deps
+
+      - name: Build
+        run: |
+          ./util/ci/build.sh
+        env:
+          CMAKE_FLAGS: "-DCMAKE_C_COMPILER=clang-9 -DCMAKE_CXX_COMPILER=clang++-9 -DENABLE_FREETYPE=0"
+
+      - name: Test
+        run: |
+          ./bin/minetest --run-unittests
+
+  win32:
+    runs-on: ubuntu-18.04
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install compiler
+        run: |
+          wget http://minetest.kitsunemimi.pw/mingw-w64-i686_9.2.0_ubuntu18.04.tar.xz -O mingw.tar.xz
+          sudo tar -xaf mingw.tar.xz -C /usr
+
+      - name: Build
+        run: |
+           EXISTING_MINETEST_DIR=$PWD ./util/buildbot/buildwin32.sh winbuild
+        env:
+          NO_MINETEST_GAME: 1
+          NO_PACKAGE: 1
+
+  win64:
+    runs-on: ubuntu-18.04
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install compiler
+        run: |
+          wget http://minetest.kitsunemimi.pw/mingw-w64-x86_64_9.2.0_ubuntu18.04.tar.xz -O mingw.tar.xz
+          sudo tar -xaf mingw.tar.xz -C /usr
+          
+      - name: Build
+        run: |
+          EXISTING_MINETEST_DIR=$PWD ./util/buildbot/buildwin64.sh winbuild
+        env:
+          NO_MINETEST_GAME: 1
+          NO_PACKAGE: 1

.github/workflows/cpp_lint.yml

@@ -0,0 +1,53 @@
+name: cpp_lint
+
+# lint on c/cpp changes or workflow changes
+on:
+  push:
+    paths:
+      - 'lib/**.[ch]'
+      - 'lib/**.cpp'
+      - 'src/**.[ch]'
+      - 'src/**.cpp'
+      - '**/CMakeLists.txt'
+      - 'cmake/Modules/**'
+      - 'util/ci/**'
+      - '.github/workflows/**.yml'
+  pull_request:
+    paths:
+      - 'lib/**.[ch]'
+      - 'lib/**.cpp'
+      - 'src/**.[ch]'
+      - 'src/**.cpp'
+      - '**/CMakeLists.txt'
+      - 'cmake/Modules/**'
+      - 'util/ci/**'
+      - '.github/workflows/**.yml'
+
+jobs:
+  clang_format:
+    runs-on: ubuntu-18.04
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install clang-format
+        run: |
+          sudo apt-get install ${CLANG_FORMAT} -qyy
+        env:
+          CLANG_FORMAT: clang-format-9
+      - name: Run clang-format
+        run: |
+          source ./util/ci/lint.sh
+          perform_lint
+
+  clang_tidy:
+    runs-on: ubuntu-18.04
+    steps:
+    - uses: actions/checkout@v2
+    - name: Install clang-tidy
+      run: |
+        sudo apt-get install clang-tidy-9 -qyy
+        source ./util/ci/common.sh
+        install_linux_deps
+
+    - name: Run clang-tidy
+      run: |
+        ./util/ci/clang-tidy.sh

.github/workflows/lua_lint.yml

@@ -0,0 +1,32 @@
+name: lua_lint
+
+# Lint on lua changes on builtin or if workflow changed
+on:
+  push:
+    paths:
+      - 'builtin/**.lua'
+      - '.github/workflows/**.yml'
+  pull_request:
+    paths:
+      - 'builtin/**.lua'
+      - '.github/workflows/**.yml'
+
+jobs:
+  luacheck:
+    runs-on: ubuntu-18.04
+    steps:
+    - uses: actions/checkout@v2
+    - name: Install luarocks
+      run: |
+        sudo apt-get update -qyy
+        sudo apt-get install luarocks -qyy
+
+    - name: Install luarocks tools
+      run: |
+        luarocks install --local luacheck
+        luarocks install --local busted
+
+    - name: Run checks
+      run: |
+        $HOME/.luarocks/bin/luacheck builtin
+        $HOME/.luarocks/bin/busted builtin

.gitlab-ci.yml

@@ -219,7 +219,6 @@ build:fedora-24:
     - apt-get update -y
     - apt-get install -y wget xz-utils unzip git cmake gettext
     - wget -q http://minetest.kitsunemimi.pw/mingw-w64-${WIN_ARCH}_9.2.0_ubuntu18.04.tar.xz -O mingw.tar.xz
-    - sed -e "s|%PREFIX%|${WIN_ARCH}-w64-mingw32|" -e "s|%ROOTPATH%|/usr/${WIN_ARCH}-w64-mingw32|" < util/travis/toolchain_mingw.cmake.in > ${TOOLCHAIN_OUTPUT}
     - tar -xaf mingw.tar.xz -C /usr
 
 .build_win_template:
@@ -256,7 +255,6 @@ build:win32:
   variables:
     NO_PACKAGE: "1"
     WIN_ARCH: "i686"
-    TOOLCHAIN_OUTPUT: "util/buildbot/toolchain_mingw.cmake"
 
 package:win32:
   extends: .package_win_template
@@ -265,7 +263,6 @@ package:win32:
   variables:
     NO_PACKAGE: "1"
     WIN_ARCH: "i686"
-    TOOLCHAIN_OUTPUT: "util/buildbot/toolchain_mingw.cmake"
 
 build:win64:
   extends: .build_win_template
@@ -274,7 +271,6 @@ build:win64:
   variables:
     NO_PACKAGE: "1"
     WIN_ARCH: "x86_64"
-    TOOLCHAIN_OUTPUT: "util/buildbot/toolchain_mingw64.cmake"
 
 package:win64:
   extends: .package_win_template
@@ -283,7 +279,6 @@ package:win64:
   variables:
     NO_PACKAGE: "1"
     WIN_ARCH: "x86_64"
-    TOOLCHAIN_OUTPUT: "util/buildbot/toolchain_mingw64.cmake"
 
 package:docker:
   stage: package

.travis.yml

@@ -1,98 +0,0 @@
-language: cpp
-before_install: ./util/travis/before_install.sh
-script: ./util/travis/script.sh
-os: linux
-dist: bionic
-group: edge
-notifications:
-  email: false
-matrix:
-  fast_finish: true
-  include:
-
-    - env: CLANG_FORMAT=clang-format-8
-      compiler: clang
-      os: linux
-      addons:
-        apt:
-          packages: ['clang-format-8']
-
-    - name: "Builtin Luacheck and Unit Tests"
-      language: generic
-      compiler: null
-      os: linux
-      addons:
-        apt:
-          packages:
-          - luarocks
-      before_install:
-        - luarocks install --local luacheck
-        - luarocks install --local busted
-      script:
-        - $HOME/.luarocks/bin/luacheck builtin
-        - $HOME/.luarocks/bin/busted builtin
-
-    - env: CLANG_TIDY=clang-tidy-8
-      compiler: clang
-      os: linux
-      script: ./util/travis/clangtidy.sh
-      addons:
-        apt:
-          packages: ['clang-tidy-8']
-
-    - name: "MinGW cross-compiler (32-bit)"
-      env: PLATFORM=Win32
-      compiler: gcc
-      os: linux
-
-    - name: "MinGW cross-compiler (64-bit)"
-      env: PLATFORM=Win64
-      compiler: gcc
-      os: linux
-
-#    - env: PLATFORM=Unix
-#      compiler: clang
-#      os: osx
-#      osx_image: xcode8
-
-    - env: PLATFORM=Unix COMPILER=gcc-6
-      compiler: gcc
-      os: linux
-      addons:
-        apt:
-          packages: ['gcc-6', 'g++-6']
-
-    - env: PLATFORM=Unix COMPILER=gcc-8
-      compiler: gcc
-      os: linux
-      addons:
-        apt:
-          packages: ['gcc-8', 'g++-8']
-
-    - env: PLATFORM=Unix COMPILER=clang-3.9
-      compiler: clang
-      os: linux
-      addons:
-        apt:
-          packages: ['clang-3.9']
-
-    - env: PLATFORM=Unix COMPILER=clang-9
-      compiler: clang
-      os: linux
-      addons:
-        apt:
-          packages: ['clang-9']
-
-    - env: PLATFORM=Unix COMPILER=clang-9 FREETYPE=0
-      compiler: clang
-      os: linux
-      addons:
-        apt:
-          packages: ['clang-9']
-
-    - env: PLATFORM=Unix COMPILER=clang-9 VALGRIND=1
-      compiler: clang
-      os: linux
-      addons:
-        apt:
-          packages: ['valgrind', 'clang-9']

README.md

@@ -1,7 +1,7 @@
 Minetest
 ========
 
-[![Build Status](https://travis-ci.org/minetest/minetest.svg?branch=master)](https://travis-ci.org/minetest/minetest)
+![Build Status](https://github.com/minetest/minetest/workflows/validate/badge.svg)
 [![Translation status](https://hosted.weblate.org/widgets/minetest/-/svg-badge.svg)](https://hosted.weblate.org/engage/minetest/?utm_source=widget)
 [![License](https://img.shields.io/badge/license-LGPLv2.1%2B-blue.svg)](https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html)
 

util/buildbot/buildwin32.sh

@@ -86,22 +86,21 @@ cd $libdir
 # Get minetest
 cd $builddir
 if [ ! "x$EXISTING_MINETEST_DIR" = "x" ]; then
-	ln -s $EXISTING_MINETEST_DIR $CORE_NAME
+	cd /$EXISTING_MINETEST_DIR # must be absolute path
 else
 	[ -d $CORE_NAME ] && (cd $CORE_NAME && git pull) || (git clone -b $CORE_BRANCH $CORE_GIT)
+	cd $CORE_NAME
 fi
-cd $CORE_NAME
 git_hash=$(git rev-parse --short HEAD)
 
 # Get minetest_game
-cd games
 if [ "x$NO_MINETEST_GAME" = "x" ]; then
+	cd games
 	[ -d $GAME_NAME ] && (cd $GAME_NAME && git pull) || (git clone -b $GAME_BRANCH $GAME_GIT)
+	cd ..
 fi
-cd ../..
 
 # Build the thing
-cd $CORE_NAME
 [ -d _build ] && rm -Rf _build/
 mkdir _build
 cd _build

util/buildbot/buildwin64.sh

@@ -78,22 +78,21 @@ cd $libdir
 # Get minetest
 cd $builddir
 if [ ! "x$EXISTING_MINETEST_DIR" = "x" ]; then
-	ln -s $EXISTING_MINETEST_DIR $CORE_NAME
+	cd /$EXISTING_MINETEST_DIR # must be absolute path
 else
 	[ -d $CORE_NAME ] && (cd $CORE_NAME && git pull) || (git clone -b $CORE_BRANCH $CORE_GIT)
+	cd $CORE_NAME
 fi
-cd $CORE_NAME
 git_hash=$(git rev-parse --short HEAD)
 
 # Get minetest_game
-cd games
 if [ "x$NO_MINETEST_GAME" = "x" ]; then
+	cd games
 	[ -d $GAME_NAME ] && (cd $GAME_NAME && git pull) || (git clone -b $GAME_BRANCH $GAME_GIT)
+	cd ..
 fi
-cd ../..
 
 # Build the thing
-cd $CORE_NAME
 [ -d _build ] && rm -Rf _build/
 mkdir _build
 cd _build

util/ci/build.sh

@@ -0,0 +1,8 @@
+#! /bin/bash -eu
+
+mkdir cmakebuild
+cd cmakebuild
+cmake -DCMAKE_BUILD_TYPE=Debug \
+	-DRUN_IN_PLACE=TRUE -DENABLE_GETTEXT=TRUE \
+	-DBUILD_SERVER=TRUE ${CMAKE_FLAGS} ..
+make -j2

util/ci/clang-format-whitelist.txt

@@ -434,6 +434,7 @@ src/threading/thread.cpp
 src/threading/thread.h
 src/threads.h
 src/tileanimation.cpp
+src/tileanimation.h
 src/tool.cpp
 src/tool.h
 src/translation.cpp

util/ci/clang-tidy.sh

@@ -0,0 +1,18 @@
+#! /bin/bash -eu
+
+mkdir -p cmakebuild
+cd cmakebuild
+cmake -DCMAKE_BUILD_TYPE=Debug \
+	-DCMAKE_EXPORT_COMPILE_COMMANDS=ON \
+	-DRUN_IN_PLACE=TRUE \
+	-DENABLE_GETTEXT=TRUE \
+	-DENABLE_SOUND=FALSE \
+	-DBUILD_SERVER=TRUE ..
+make GenerateVersion
+
+cd ..
+
+./util/ci/run-clang-tidy.py \
+	-clang-tidy-binary=clang-tidy-9 -p cmakebuild \
+	-quiet -config="$(cat .clang-tidy)" \
+	'src/.*'

util/ci/common.sh

@@ -21,9 +21,10 @@ install_linux_deps() {
 	local pkgs=(libirrlicht-dev cmake libbz2-dev libpng-dev \
 		libjpeg-dev libxxf86vm-dev libgl1-mesa-dev libsqlite3-dev \
 		libhiredis-dev libogg-dev libgmp-dev libvorbis-dev libopenal-dev \
-		gettext libpq-dev postgresql-server-dev-all libleveldb-dev)
+		gettext libpq-dev postgresql-server-dev-all libleveldb-dev \
+		libcurl4-openssl-dev)
 	# for better coverage, build some jobs with luajit
-	if [[ "$CC" == "clang"* && -z "$VALGRIND$FREETYPE" ]]; then
+	if [ -n "$WITH_LUAJIT" ]; then
 		pkgs+=(libluajit-5.1-dev)
 	fi
 
@@ -42,16 +43,3 @@ install_macosx_deps() {
 	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() {
-	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)"
-}
-

util/ci/lint.sh

@@ -5,7 +5,7 @@ function perform_lint() {
 		CLANG_FORMAT=clang-format
 	fi
 	echo "LINT: Using binary $CLANG_FORMAT"
-	CLANG_FORMAT_WHITELIST="util/travis/clang-format-whitelist.txt"
+	CLANG_FORMAT_WHITELIST="util/ci/clang-format-whitelist.txt"
 
 	files_to_lint="$(find src/ -name '*.cpp' -or -name '*.h')"
 

util/travis/before_install.sh

@@ -1,29 +0,0 @@
-#!/bin/bash -e
-
-echo "Preparing for $TRAVIS_COMMIT_RANGE"
-
-. util/travis/common.sh
-
-if [[ ! -z "${CLANG_FORMAT}" ]]; then
-	exit 0
-fi
-
-needs_compile || exit 0
-
-if [[ $PLATFORM == "Unix" ]] || [[ ! -z "${CLANG_TIDY}" ]]; then
-	if [[ $TRAVIS_OS_NAME == "linux" ]] || [[ ! -z "${CLANG_TIDY}" ]]; then
-		install_linux_deps
-	else
-		install_macosx_deps
-	fi
-elif [[ $PLATFORM == "Win32" ]]; then
-	wget http://minetest.kitsunemimi.pw/mingw-w64-i686_9.2.0_ubuntu18.04.tar.xz -O mingw.tar.xz
-	# buildwin32.sh detects the installed toolchain automatically
-	sudo tar -xaf mingw.tar.xz -C /usr
-elif [[ $PLATFORM == "Win64" ]]; then
-	wget http://minetest.kitsunemimi.pw/mingw-w64-x86_64_9.2.0_ubuntu18.04.tar.xz -O mingw.tar.xz
-	sed -e "s|%PREFIX%|x86_64-w64-mingw32|" \
-		-e "s|%ROOTPATH%|/usr/x86_64-w64-mingw32|" \
-		< util/travis/toolchain_mingw.cmake.in > util/buildbot/toolchain_mingw64.cmake
-	sudo tar -xaf mingw.tar.xz -C /usr
-fi

util/travis/clangtidy.sh

@@ -1,28 +0,0 @@
-#!/bin/bash -e
-. util/travis/common.sh
-
-needs_compile || exit 0
-
-if [ -z "${CLANG_TIDY}" ]; then
-	CLANG_TIDY=clang-tidy
-fi
-
-mkdir -p cmakebuild && cd cmakebuild
-cmake -DCMAKE_BUILD_TYPE=Debug \
-	-DCMAKE_EXPORT_COMPILE_COMMANDS=ON \
-	-DRUN_IN_PLACE=TRUE \
-	-DENABLE_GETTEXT=TRUE \
-	-DENABLE_SOUND=FALSE \
-	-DBUILD_SERVER=TRUE ..
-make GenerateVersion
-cd ..
-
-echo "Performing clang-tidy checks..."
-./util/travis/run-clang-tidy.py \
-	-clang-tidy-binary=${CLANG_TIDY} -p cmakebuild \
-	-quiet -config="$(cat .clang-tidy)" \
-	'src/.*'
-
-RET=$?
-echo "Clang tidy returned $RET"
-exit $RET

util/travis/script.sh

@@ -1,69 +0,0 @@
-#!/bin/bash -e
-. util/travis/common.sh
-. util/travis/lint.sh
-
-needs_compile || exit 0
-
-if [[ ! -z "${CLANG_FORMAT}" ]]; then
-	# Lint and exit CI
-	perform_lint
-	exit 0
-fi
-
-set_linux_compiler_env
-
-if [[ ${PLATFORM} == "Unix" ]]; then
-	mkdir -p travisbuild
-	cd travisbuild || exit 1
-
-	CMAKE_FLAGS=''
-
-	if [[ ${TRAVIS_OS_NAME} == "osx" ]]; then
-		CMAKE_FLAGS+=' -DCUSTOM_GETTEXT_PATH=/usr/local/opt/gettext'
-	fi
-
-	if [[ -n "${FREETYPE}" ]] && [[ "${FREETYPE}" == "0" ]]; then
-		CMAKE_FLAGS+=' -DENABLE_FREETYPE=0'
-	fi
-
-	cmake -DCMAKE_BUILD_TYPE=Debug \
-		-DRUN_IN_PLACE=TRUE \
-		-DENABLE_GETTEXT=TRUE \
-		-DBUILD_SERVER=TRUE \
-		${CMAKE_FLAGS} ..
-	make -j2
-
-	echo "Running unit tests."
-	CMD="../bin/minetest --run-unittests"
-	if [[ "${VALGRIND}" == "1" ]]; then
-		valgrind --leak-check=full --leak-check-heuristics=all --undef-value-errors=no --error-exitcode=9 ${CMD} && exit 0
-	else
-		${CMD} && exit 0
-	fi
-
-elif [[ $PLATFORM == Win* ]]; then
-	[[ $CC == "clang" ]] && exit 1 # Not supposed to happen
-	# We need to have our build directory outside of the minetest directory because
-	#  CMake will otherwise get very very confused with symlinks and complain that
-	#  something is not a subdirectory of something even if it actually is.
-	# e.g.:
-	# /home/travis/minetest/minetest/travisbuild/minetest
-	# \/  \/  \/
-	# /home/travis/minetest/minetest/travisbuild/minetest/travisbuild/minetest
-	# \/  \/  \/
-	# /home/travis/minetest/minetest/travisbuild/minetest/travisbuild/minetest/travisbuild/minetest
-	# You get the idea.
-	OLDDIR=$(pwd)
-	cd ..
-	export EXISTING_MINETEST_DIR=$OLDDIR
-	export NO_MINETEST_GAME=1
-	if [[ $PLATFORM == "Win32" ]]; then
-		"$OLDDIR/util/buildbot/buildwin32.sh" travisbuild && exit 0
-	elif [[ $PLATFORM == "Win64" ]]; then
-		"$OLDDIR/util/buildbot/buildwin64.sh" travisbuild && exit 0
-	fi
-else
-	echo "Unknown platform \"${PLATFORM}\"."
-	exit 1
-fi
-

util/travis/toolchain_mingw.cmake.in

@@ -1,18 +0,0 @@
-# Target operating system name
-set(CMAKE_SYSTEM_NAME Windows)
-
-# Compilers to use
-set(CMAKE_C_COMPILER %PREFIX%-gcc)
-set(CMAKE_CXX_COMPILER %PREFIX%-g++)
-set(CMAKE_RC_COMPILER %PREFIX%-windres)
-
-# Location of the target environment
-set(CMAKE_FIND_ROOT_PATH %ROOTPATH%)
-
-# Adjust the default behaviour of the FIND_XXX() commands:
-# search for headers and libraries in the target environment,
-# search for programs in the host environment
-set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
-set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
-set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
-