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#!/bin/bash
#
set -e
## This script is initiated by either xcodebuild or Xcode.app.
##
## We must guarantee no jobserver is passed through since file-descriptors are
## clobbered by Xcode. If this is not done then make allows unlimited jobs.
##
MAKEFLAGS=
MFLAGS=
## validate environment
case "$EXTERNAL_DRIVER" in
bootstrap) ;; ## bootstrapping from terminal
terminal) ;; ## building from terminal
xcode) ;; ## building from Xcode.app
*)
echo "ERROR: unexpected value for EXTERNAL_DRIVER: $EXTERNAL_DRIVER"
exit 1
;;
esac
## validate environment
for name in EXTERNAL_BUILD EXTERNAL_JOBS EXTERNAL_SRC; do
eval v="\$$name"
if [ -z "$v" ]; then
echo "ERROR: missing value for $name"
exit 1
fi
done
## validate environment
archcount=`echo $ARCHS | awk '{ print NF }'`
if [ "$archcount" -ne 1 ]; then
echo "*********************************************************************"
echo "***"
echo "*** ERROR: multiple architectures: $ARCHS"
echo "***"
echo "*** This build system does not support more than one (1)"
echo "*** simultaneous architecture setting."
echo "***"
echo "*********************************************************************"
exit 1
fi
exit_post_log=0
## compute goals; these correlate with TARGET_NAME and ACTION from Xcode
spec="$TARGET_NAME:$ACTION"
echo "target specification: $spec"
case "$spec" in
external:clean)
if [ "$EXTERNAL_DRIVER" == "xcode" ]; then
## driving build from Xcode.app do pristine clean
if [ -z "$EXTERNAL_BUILD" ]; then
echo "ERROR: unsafe rm -fr would result because EXTERNAL_BUILD is not defined"
exit 1
fi
if [ -d "$EXTERNAL_BUILD" ]; then
cmd="/bin/rm -fr $EXTERNAL_BUILD/*"
echo "$cmd"
$cmd
[ $? -ne 0 ] && exit 1
exit_post_log=1
else
echo "already clean"
fi
else
## driving build from xcodebuild do xclean, preserving configuration
goals=xclean
fi
;;
external:*)
if [ -z "$EXTERNAL_GOALS" ]; then
goals=build
else
goals="$EXTERNAL_GOALS"
fi
;;
*)
echo "ERROR: unexpected env specification: $spec"
exit 1
;;
esac
## compute if re/configure necessary
if [ ! -f "$EXTERNAL_BUILD/GNUmakefile" ]; then
reconfigure="no configuration present"
elif [ "$EXTERNAL_SRC/make/configure.py" -nt "$EXTERNAL_BUILD/GNUmakefile" ]; then
reconfigure="configure script was updated"
elif [ "$EXTERNAL_DRIVER" == "bootstrap" ]; then
reconfigure="driver bootstrap"
else
reconfigure=
fi
## perform re/configure
if [ -n "$reconfigure" ]; then
echo "reconfiguring ($reconfigure)"
if [ "$EXTERNAL_DRIVER" == "bootstrap" ]; then
driver="--xcode-driver=terminal"
else
driver="--xcode-driver=$EXTERNAL_DRIVER"
fi
## determine which compiler to use based on Xcode environment (project).
case "$GCC_VERSION" in
com.apple.compilers.llvmgcc42)
gcc="--gcc=`$DEVELOPER_BIN_DIR/xcodebuild -find-executable llvm-gcc-4.2`"
;;
com.apple.compilers.llvm.clang.1_0)
gcc="--gcc=`$DEVELOPER_BIN_DIR/xcodebuild -find-executable clang`"
;;
*)
echo "*********************************************************************"
echo "***"
echo "*** ERROR: unexpected value for GCC_VERSION: $GCC_VERSION"
echo "***"
echo "*********************************************************************"
exit 1
;;
esac
if [ -n "$ARCHS" ]; then
arch="--arch=$ARCHS"
else
arch=
fi
case "$CONFIGURATION" in
debug*)
debug="--debug=std --optimize=none"
;;
release*|*)
debug=
;;
esac
if [ -n "$SDKROOT" ]; then
sysroot="--sysroot=$SDKROOT"
else
sysroot=
fi
if [ -n "$MACOSX_DEPLOYMENT_TARGET" ]; then
minver="--minver=$MACOSX_DEPLOYMENT_TARGET"
else
minver=
fi
## pickup user setting from Xcode IDE and avoid recursion
if [ -n "$EXTERNAL_CONFIGURE" ]; then
extconf="$EXTERNAL_CONFIGURE"
else
extconf=
fi
EXTERNAL_CONFIGURE=
## invoke configure with (hidden) option which indicates conf performed by xcode
(set -ex; "$EXTERNAL_SRC/configure" --force \
$EXTERNAL_CONF_ARGS \
--build="$EXTERNAL_BUILD" \
$driver \
--xcode-symroot="$SYMROOT" \
--xcode-config="$EXTERNAL_XCCONFIG" \
$gcc $arch $debug $sysroot $minver $extconf)
[ $? -ne 0 ] && exit 1
fi
## log environment as provided by Xcode
logdir="$EXTERNAL_BUILD/log"
if [ ! -d "$logdir" ]; then
mkdir -p "$logdir"
fi
env | sort > "$logdir/xcodemake.env.txt"
[ $exit_post_log -ne 0 ] && exit 0
## safeguard against passing blank value which would result in unlimited jobs
if [ -z "$EXTERNAL_JOBS" ]; then
jobs=
elif [ "$EXTERNAL_JOBS" == "auto" ]; then
jobs=--jobs=`sysctl -n hw.activecpu`
else
jobs=--jobs=$EXTERNAL_JOBS
fi
## when driving from terminal; ensure $SYMROOT/external/ exists relative to SYMROOT
if [ "$EXTERNAL_DRIVER" == "terminal" -a ! -e "$SYMROOT/external" ]; then
ln -s "$EXTERNAL_BUILD" "$SYMROOT/external"
fi
## pull the trigger
## must set XCODE.driver to prevent inifinite recursion
set -x
exec make -C "$EXTERNAL_BUILD" XCODE.driver=xcodemake $jobs $goals $EXTERNAL_VARS
|
