source: ps/trunk/source/tools/dist/build-osx-executable.sh

#!/bin/sh

# Build the Pyrogenesis executable, used to create the bundle and run the archiver.

export ARCH=${ARCH:=$(uname -m)}

# Set mimimum required OS X version, SDK location and tools
# Old SDKs can be found at https://github.com/phracker/MacOSX-SDKs
export MIN_OSX_VERSION=${MIN_OSX_VERSION:="10.12"}
# Note that the 10.12 SDK is know to be too old for FMT 7.
export SYSROOT=${SYSROOT:="/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk"}
export CC=${CC:="clang"} CXX=${CXX:="clang++"}

die()
{
  echo ERROR: $*
  exit 1
}

# Check that we're actually on OS X
if [ "`uname -s`" != "Darwin" ]; then
  die "This script is intended for OS X only"
fi

# Check SDK exists
if [ ! -d "${SYSROOT}" ]; then
  die "${SYSROOT} does not exist! You probably need to install Xcode"
fi

# Assume this is called from trunk/
SVN_REV=$(svnversion -n .)
echo "L\"${SVN_REV}-release\"" > build/svn_revision/svn_revision.txt

cd "build/workspaces/"

JOBS=${JOBS:="-j5"}

# Toggle whether this is a full rebuild, including libraries (takes much longer).
FULL_REBUILD=${FULL_REBUILD:=false}

if $FULL_REBUILD = true; then
    CLEAN_WORKSPACE_ARGS=""
    BUILD_LIBS_ARGS="--force-rebuild"
else
    CLEAN_WORKSPACE_ARGS="--preserve-libs"
    BUILD_LIBS_ARGS=""
fi

./clean-workspaces.sh "${CLEAN_WORKSPACE_ARGS}"

# Build libraries against SDK
echo "\nBuilding libraries\n"
pushd ../../libraries/osx > /dev/null
SYSROOT="${SYSROOT}" MIN_OSX_VERSION="${MIN_OSX_VERSION}" \
    ./build-osx-libs.sh $JOBS "${BUILD_LIBS_ARGS}" || die "Libraries build script failed"
popd > /dev/null

# Update workspaces
echo "\nGenerating workspaces\n"

# Pass OS X options through to Premake
(SYSROOT="${SYSROOT}" MIN_OSX_VERSION="${MIN_OSX_VERSION}" \
    ./update-workspaces.sh --sysroot="${SYSROOT}" --macosx-version-min="${MIN_OSX_VERSION}") || die "update-workspaces.sh failed!"

pushd gcc > /dev/null
echo "\nBuilding game\n"
(make clean && CC="$CC -arch $ARCH" CXX="$CXX -arch $ARCH" make ${JOBS}) || die "Game build failed!"
popd > /dev/null

# Run test to confirm all is OK
pushd ../../binaries/system > /dev/null
echo "\nRunning tests\n"
./test || die "Post-build testing failed!"
popd > /dev/null