#!/bin/sh

###########################
# *** Set for releases. ***

MAJOR=5
MINOR=4
MICRO=2

# Optionally set the source/tag for this code (e.g. RC1 or FINAL). Normally
# configure will obtain the branch this source code comes from automatically,
# so you do not need to set this. Setting this variable is instead useful for
# statically naming the source when it will not match the branch name (like RC1
# or FINAL).
RELEASE=FINAL

# *** You should not need to change anything below this line. ***
###########################

. ./configure.tools.sh

uname -a

if [ -z "$USER" ]; then
  USER=`whoami`
  export USER
fi

save_arguments "$0" "$@"

GIT_DIR="$(dirname "$0")/.git"
export GIT_DIR
if [ -d "$GIT_DIR" ] && which git > /dev/null 2> /dev/null; then
	GIT=y
fi

# `git archive` (man gitattributes(5)) fills this in, otherwise we do it manually...
COMMIT='$Format:%H$'
if [ "$(substr "$COMMIT" 1 1)" = '$' ]; then
	if [ "$GIT" = y ]; then
		COMMIT="$(git rev-parse HEAD)"
	else
		COMMIT="UNKNOWN"
	fi
fi

DIRTY=
if [ "$GIT" = y ]; then
	if [ -n "$(git status --porcelain)" ]; then
		echo "Working copy dirty..." >&2
		DIRTY='-DIRTY'
	fi
fi

# The date is the commit date of the commit, or now if the working tree is dirty.
DATE='$Format:%ci$'
if [ "$(substr "$DATE" 1 1)" = '$' ]; then
	if [ "$GIT" = y ]; then
		DATE="$(git log -1 --pretty=format:%ci HEAD)"
	else
		echo "Source commit date unavailable, using current time." >&2
		DATE="$NOW"
	fi
fi
if [ -n "$DIRTY" ]; then
	DATE="$NOW"
fi

if [ -n "$RELEASE" ]; then
	BRANCH="$RELEASE"
elif [ -n "$CCTOOLS_BRANCH" ]; then
	BRANCH="$CCTOOLS_BRANCH"
else
	BRANCH='$Format:%d$'
	if [ "$(substr "$BRANCH" 1 1)" = '$' ]; then
		if [ "$GIT" = y ]; then
			BRANCH="$(git rev-parse --abbrev-ref HEAD)"
		else
			echo "Building from unknown branch!" >&2
			BRANCH=UNKNOWN
		fi
	else
		# example BRANCH:
		#     "(HEAD, origin/heads/master, ccl/heads/master, master, refs/backup/master)"
		# or on newer Git:
		#     "(HEAD -> version-commit, tag: history/version-commit-006, afs/tags/history/version-commit-006, afs/backup/version-commit)"

		# find the first instance of a (lowercase) branch name
		echo "This commit is referenced by: $BRANCH" >&2
		BRANCH="$(echo " ${BRANCH}," | tr -d '\n()' | perl -pe 's|.*? ([^ A-Z/]+),.*|\1|')"
		if [ -z "$BRANCH" ]; then
			echo "Could not interpret branch name." >&2
			BRANCH=HEAD
		fi
	fi
fi

SOURCE="${BRANCH}:$(substr "$COMMIT" 1 8)${DIRTY}"
VERSION="$MAJOR.$MINOR.$MICRO [${SOURCE}]"

# Bourne shell is tricky when you use backtick command substitution backslash
# has special meaning even when surrounded by single-quotes. It is necessary to
# escape the backslash.
# Here's what we want to exec literally:
#   echo "$*" | sed s/#/\\#/ | sed s/\$/$$/
# The above sed commands are to escape the output for the Makefile.
# Arguments to configure which can be printed for version/debug information.
configure_arguments=`echo "$*" | sed 's/#/\\\\#/' | sed 's/\\$/$$/'`

# Bourne shell is tricky when you use backtick command substitution backslash
# has special meaning even when surrounded by single-quotes. It is necessary to
# escape the backslash.
# Here's what we want to exec literally:
#   uname -a | sed s/#/\\#/ | sed s/\$/$$/
# The above sed commands are to escape the output for the Makefile.
system_information=`uname -a | sed 's/#/\\\\#/' | sed 's/\\$/$$/'`

BUILD_CPU="$(uname -m | tr \[a-z\] \[A-Z\])"
BUILD_DATE="$NOW"
BUILD_HOST="$(uname -n)"
BUILD_SYS="$(uname -s | tr \[a-z\] \[A-Z\] | awk -F_ '{print $1}')"
BUILD_USER="$USER"

if [ "$BUILD_CPU" = UNKNOWN ]
then
	BUILD_CPU=`uname -p | tr \[a-z\] \[A-Z\]`
fi

case "$BUILD_CPU" in
	I[0-9]86)
	BUILD_CPU=I386
	;;
	POWER\ MACINTOSH)
	BUILD_CPU=POWERPC
	;;
	SUN4V)
	BUILD_CPU=SPARC
	;;
esac

include_package_apps="apps"
include_package_sand="sand"
include_package_allpairs="allpairs"
include_package_wavefront="wavefront"
include_package_makeflow="makeflow"
include_package_ftplite="ftp_lite"
include_package_chirp="chirp"
include_package_weaver="weaver"
include_package_umbrella="umbrella"
include_package_doc="doc"
include_package_prune="prune"
include_package_deltadb="deltadb"

swig_bindings=""

echo "checking for package compatibility..."

if [ -d parrot -a $BUILD_SYS = LINUX ]
then
	if [ $BUILD_CPU = I386 -o $BUILD_CPU = X86_64 ]
	then
		echo "parrot IS supported on ${BUILD_SYS} ${BUILD_CPU}"
		include_package_parrot="parrot"
	else
		echo "parrot is NOT supported on ${BUILD_SYS} ${BUILD_CPU}"
		include_package_parrot=""
	fi
else
	echo "parrot is NOT supported on ${BUILD_SYS} for any cpu type"
	include_package_parrot=""
fi

if [ -d resource_monitor -a $BUILD_SYS = LINUX ]
then
	echo "resource_monitor IS supported on ${BUILD_SYS}"
	include_package_resource_monitor="resource_monitor"
else
	echo "resource_monitor is NOT supported on ${BUILD_SYS}"
	include_package_resource_monitor=""
fi

install_path="$HOME/cctools"

readline_path="/usr"
globus_path="/usr"
fuse_path="/usr"
irods_path="/usr"
mysql_path="/usr"
perl_path="/usr"
python_path="/usr"
python3_path="/usr"
xrootd_path="/usr"
cvmfs_path="/usr"
uuid_path="/usr"
zlib_path="/usr"
swig_path="/usr"

xrootd_arch=auto
globus_flavor=auto

ccompiler=gcc
cxxcompiler=g++

ccflags="-D__EXTENSIONS__ -D_LARGEFILE64_SOURCE -D__LARGE64_FILES -Wall -Wextra"
c_only_flags="-std=c99"

config_readline_path=auto
config_globus_path=auto
config_fuse_path=auto
config_mysql_path=auto
config_perl_path=auto
config_python_path=auto
config_python3_path=auto
config_zlib_path=yes

config_irods_path=no
config_xrootd_path=no
config_cvmfs_path=no
config_swig_path=auto

while [ $# -gt 0 ]
do
	opt=$1
	arg=''
	shift

	case $opt in
			# handle options of the form --opt=arg
		--*=*)
			arg=$(eval echo ${opt#*=})
			opt=${opt%%=*}
			;;
			# empty arg only for these options
		--debug|--strict|--without-*|--help)
			arg=''
			;;
		--*)
			# handle options of the form --opt arg
			arg=$1
			shift
		;;
	esac

	case $opt in
		--debug)
			optdebug=1
			optstrict=1
			;;
		--prefix)
			install_path=$(abspath "${arg}")
			;;
		--strict)
			optstrict=1
			;;
		--sge-parameter)
			if [ -z "$sge_parameters" ]
			then
				sge_parameters="\#$ ${arg}"
			else
				sge_parameters="${sge_parameters}\n\#$ ${arg}"
			fi
			;;
		--with-globus-path)
			globus_path=${arg}
			config_globus_path=yes
			;;
		--globus-flavor)
			globus_flavor=${arg}
			;;
		--with-readline-path)
			readline_path=${arg}
			config_readline_path=yes
			;;
		--with-fuse-path)
			fuse_path=${arg}
			config_fuse_path=yes
			;;
		--with-irods-path)
			irods_path=${arg}
			config_irods_path=yes
			;;
		--with-mysql-path)
			mysql_path=${arg}
			config_mysql_path=yes
			;;
		--with-perl-path)
			perl_path=${arg}
			config_perl_path=yes
			;;
		--with-python-path)
			python_path=${arg}
			config_python_path=yes
			;;
		--with-python3-path)
			python3_path=${arg}
			config_python3_path=yes
			;;
		--with-xrootd-path)
			xrootd_path=${arg}
			config_xrootd_path=yes
			;;
		--with-cvmfs-path)
			cvmfs_path=${arg}
			config_cvmfs_path=yes
			;;
		--with-uuid-path)
			uuid_path=${arg}
			;;
		--with-zlib-path)
			zlib_path=${arg}
			config_zlib_path=yes
			;;
		--with-swig-path)
			swig_path=${arg}
			config_swig_path=yes
			;;
		--without-system-sand)
			include_package_sand=""
			if [ $include_package_allpairs != "" ]
			then
				echo "*** skipping system 'allpairs' because of dependencies"
				include_package_allpairs=""
			fi
			;;
		--without-system-apps)
			include_package_apps=""
			;;
		--without-system-allpairs)
			include_package_allpairs=""
			;;
		--without-system-wavefront)
			include_package_wavefront=""
			;;
		--without-system-makeflow)
			include_package_makeflow=""
			;;
		--without-system-ftp-lite)
			include_package_ftplite=""
			;;
		--without-system-chirp)
			include_package_chirp=""
			;;
		--without-system-umbrella)
			include_package_umbrella=""
			;;
		--without-system-parrot)
			include_package_parrot=""
			;;
		--without-system-resource_monitor)
			include_package_resource_monitor=""
			;;
		--without-system-weaver)
			include_package_weaver=""
			;;
		--without-system-doc)
			include_package_doc=""
			;;
		--without-system-prune)
			include_package_prune=""
			;;
		--xrootd-arch)
			xrootd_arch=${arg}
			;;
		--with-*-path)
			echo "ignoring unknown package ${arg}"
			;;
		--tcp-low-port)
			ccflags="${ccflags} -DTCP_LOW_PORT_DEFAULT=${arg}"
			;;
		--tcp-high-port)
			ccflags="${ccflags} -DTCP_HIGH_PORT_DEFAULT=${arg}"
			;;
		-h | -help | --h | --help)
			cat <<EOF
Use: configure [options]
Where options are:
  --help
  --prefix             <path>
  --debug
  --strict
  --sge-parameter      <parameter>
  --globus-flavor      <flavor>
  --xrootd-arch        <arch>
  --tcp-low-port       <port>
  --tcp-high-port      <port>
  --with-PACKAGE-path  <path>
  --without-system-SYSTEM

Where PACKAGE may be:
	readline
	fuse
	globus
	irods
	mysql
	perl
	python
	python3
	xrootd
	zlib
	cvmfs
	uuid
	swig

And SYSTEM may be:
	sand
	allpairs
	wavefront
	makeflow
	ftp-lite
	chirp
	parrot
	umbrella
	resource_monitor
	doc
EOF
			exit 0
			;;
		*)
			echo "Unknown option ${opt}"
			exit 1
			;;
	esac
done

if [ "$optstrict" = 1 ]; then
	ccflags="${ccflags} -Werror"
fi

potential_packages="dttools batch_job ${include_package_makeflow} work_queue ${include_package_apps} ${include_package_sand} ${include_package_allpairs} ${include_package_wavefront} ${include_package_ftplite} ${include_package_parrot} ${include_package_resource_monitor} ${include_package_chirp} ${include_package_weaver} ${include_package_umbrella} ${include_package_deltadb} ${include_package_prune} ${include_package_doc}"

export HOST_MULTIARCH=$(check_multiarch)

if [ -f config.mk ]; then
	echo "we are reconfiguring - prepare with make clean..."
	if make clean; then
		echo 'make clean - ok'
	else
		echo "make clean failed ($?); continuing"
	fi
fi

rm -f config.mk
echo "checking for all the things I know how to build..."
for p in $potential_packages
do
	if [ -d $p ]
	then
		echo "package $p found"
		packages="${packages} $p"
		if [ -d `pwd`/$p/src ]
		then
			internal_ccflags="${internal_ccflags} -I`pwd`/$p/src"
		fi
	else
		echo "package $p not found (that's ok)"
	fi
done

require_path ${ccompiler}
require_path ${cxxcompiler}
require_gnu_make

# Lots of warnings are enabled by default, but several are too strict
# and crop up in third-party code, so we disable those checks.
# However, not all compilers support these flags, so we check each one.

for flag in no-unused-parameter no-unknown-pragmas no-deprecated-declarations no-unused-const-variable
do
	if check_compiler_flag -W$flag
	then
		ccflags="${ccflags} -W$flag"
	fi
done

# Cygwin has some compiler oddities.
# 1 - Sloppy definitions of the ctype.h functions cause spurious warnings
# about char -> int conversions.
# 2 - All code is PIC by default, and adding the flag causes more warnings.

if [ ${BUILD_SYS} = CYGWIN ]
then
	ccflags="${ccflags} -Wno-char-subscripts"
else
	ccflags="${ccflags} -fPIC"
fi

#
# Currently, we rely on the linker --as-needed flag to sort out
# which dynamic libraries each executable actually needs.
# This is apparently a recent addition to gnu ld.
# A better solution would be to explicitly specify which libraries
# are needed by which executable, but this will come in a later version.
#

echon "checking if ld supports the --as-needed flag..."
if ld --help 2>&1 | grep -- --as-needed 2>&1 >/dev/null
then
		echo "yes"
		link_as_needed="-Xlinker --as-needed"
		link_no_as_needed="-Xlinker --no-as-needed"
else
		echo "no"
fi

if [ $BUILD_SYS = LINUX ]
then
		ldflags="-Xlinker -Bstatic -static-libgcc -Xlinker -Bdynamic ${link_as_needed}"
elif [ $BUILD_SYS = DARWIN ]
then
		ldflags=""
else
		ldflags="-static-libgcc"
fi

##########################################################################
# SWITCH TO STATIC LINKING FOR UNCOMMON THIRD-PARTY PACKAGES
##########################################################################
library_search_mode=prefer_static
##########################################################################

if [ "$globus_flavor" = auto ]
then
	if [ $BUILD_CPU = X86_64 ]
	then
		globus_flavor=gcc64
	else
		globus_flavor=gcc32
	fi
fi

echo "using a globus flavor of '$globus_flavor' (if this is wrong, use the --globus-flavor argument)"

if [ $config_globus_path != no ]
then
	if check_file ${globus_path}/include/${globus_flavor}/globus_common.h
	then
		ccflags="${ccflags} -DHAS_GLOBUS_GSS"
		globus_ccflags="-I${globus_path}/include -I${globus_path}/include/${globus_flavor}"
		#ldflags="${ldflags} -L${globus_path}/lib64 -L${globus_path}/lib"
		for library in globus_gss_assist globus_gssapi_gsi globus_gsi_proxy_core globus_gsi_credential globus_gsi_callback globus_oldgaa globus_gsi_sysconfig globus_gsi_cert_utils globus_openssl globus_openssl_error globus_callout globus_proxy_ssl globus_common ltdl
		do
			if library_search ${library}_${globus_flavor} ${globus_path}
			then
				globus_ldflags="${globus_ldflags} ${library_search_result}"
			fi
		done
	elif check_file ${globus_path}/include/globus/globus_common.h
	then
		ccflags="${ccflags} -DHAS_GLOBUS_GSS"
		globus_ccflags="-I${globus_path}/lib/globus/include -I${globus_path}/include/globus"
		#ldflags="${ldflags} -L${globus_path}/lib64 -L${globus_path}/lib"
		for library in globus_gss_assist globus_gssapi_gsi globus_gsi_proxy_core globus_gsi_credential globus_gsi_callback globus_oldgaa globus_gsi_sysconfig globus_gsi_cert_utils globus_openssl globus_openssl_error globus_callout globus_proxy_ssl globus_common ltdl
		do
			if library_search $library ${globus_path}
			then
				globus_ldflags="${globus_ldflags} ${library_search_result}"
			fi
		done
	else
		if [ $config_globus_path = yes ]
		then
			echo "*** Sorry, I couldn't find Globus in $globus_path"
			echo "*** Check --with-globus-path and try again."
			exit 1
		else
			echo "*** skipping globus support"
		fi
	fi
else
	echo "*** skipping globus support"
fi

# irods 4.0 moved all its source to the iRODS subdirectory

if [ $config_irods_path != no ]
then
	if library_search RodsAPIs "${irods_path}/lib/core/obj"
	then
		echo "detected irods 3.x installation"

		ccflags="${ccflags} -DHAS_IRODS"

		for d in ${irods_path}/lib/*/include ${irods_path}/server/*/include
		do
			irods_ccflags="${irods_ccflags} -I$d"
		done

		irods_ldflags="${library_search_result}"

	elif library_search RodsAPIs "${irods_path}/lib"
	then
		echo "detected irods 4.x installation"

		# irods 4.x uses .so plugins which are found in /var/lib/irods.
		# These require the parrot is linked with -rdynamic so that
		# the plugins can refer to symbols in libRodsAPI.a in parrot.

		# irods 4.x changed the API from C to C++, so we must look
		# for .hpp files instead of .h files.

		ccflags="${ccflags} -DHAS_IRODS -DIRODS_USES_PLUGINS -DIRODS_USES_HPP"
		ldflags="${ldflags} -rdynamic"

		echo "*** warning: irods 4.x requires plugins installed in /var/lib, or for the irods_plugins_home variable to be set."

		for d in ${irods_path}/include/irods
		do
			irods_ccflags="${irods_ccflags} -I$d"
		done

		irods_ldflags="${library_search_result}"

		# irods 4.x depends on a specific version of boost:

		boost_path=`ls -d ${irods_path}/lib/irods/externals`
		if [ ! -d ${boost_path} ]
		then
			echo "*** Could not find irods boost in ${irods_path}/external !"
			exit 1
		fi

		echo "found irods boost in $boost_path"
		for subtype in system thread chrono filesystem regex
		do
			lib=${boost_path}/libboost_${subtype}.a
			if [ -f $lib ]
			then
				echo "found $lib"
				irods_ldflags="${irods_ldflags} $lib"
			fi
		done

		jansson_path=`ls -d ${irods_path}/lib/irods/externals`
		if [ ! -d ${jansson_path} ]
		then
			echo "*** Could not find irods jansson in ${irods_path}/external !"
			exit 1
		fi

		echo "found irods jansson in $jansson_path"
		irods_ldflags="${irods_ldflags} ${jansson_path}/libjansson.a"

	elif [ $config_irods_path = yes ]
	then
		echo "*** Sorry, I couldn't find IRODS in $irods_path"
		echo "*** Check --with-irods-path and try again."
		exit 1
	else
		echo "*** skipping irods support"
	fi
else
	echo "*** skipping irods support"
fi

if [ $config_mysql_path != no ] && library_search mysqlclient ${mysql_path} mysql
then
	mysql_ldflags="${library_search_result}"

	if [ ${mysql_path} != /usr ]
	then
		mysql_ccflags="-I${mysql_path}/include"
	fi

	ccflags="${ccflags} -DHAS_MYSQL -DHAS_BXGRID"

	# It seems that the various versions move around the key include file,
	# so we check for it in several places here.

	if [ -f ${mysql_path}/include/mysql.h ]
	then
		ccflags="${ccflags} -DHAS_MYSQL_H"
	fi

	if [ -f ${mysql_path}/include/mysql/mysql.h ]
	then
		ccflags="${ccflags} -DHAS_MYSQL_MYSQL_H"
	fi
else
	if [ $config_mysql_path = yes ]
	then
		echo "*** Sorry, I couldn't find MySQL in $mysql_path"
		echo "*** Check --with-mysql-path and try again."
		exit 1
	else
		echo "*** skipping mysql support"
	fi
fi

if [ $config_xrootd_path != no ] && check_file ${xrootd_path}/include/xrootd/XrdVersion.hh
then
	if [ "$xrootd_arch" = auto ]
	then
		if [ "$BUILD_CPU" = X86_64 ]
		then
			xrootd_arch=x86_64_linux_26
		else
			xrootd_arch=i386_linux26
		fi
	fi

	echo "using an xrootd arch of '$xrootd_arch' (if this is wrong, use the --xrootd-arch argument)"

	ccflags="${ccflags} -DHAS_XROOTD"
	xrootd_ccflags="-I${xrootd_path}/include/xrootd"

	for library in XrdPosix XrdClient XrdSys XrdNet XrdNetUtil XrdOuc
	do
		if library_search $library ${xrootd_path} ${xrootd_arch}
		then
			xrootd_ldflags="${xrootd_ldflags} ${library_search_result}"
		else
			echo "*** Couldn't find $library in ${xrootd_path}"
			exit 1
		fi

	done
else
	if [ $config_xrootd_path = yes ]
	then
		echo "*** Sorry, I couldn't find xrootd in ${xrootd_path}"
		echo "*** Check --with-xrootd-path and try again."
		exit 1
	else
		echo "*** skipping xrootd support"
	fi
fi

if [ $config_cvmfs_path != no ] && check_file ${cvmfs_path}/include/libcvmfs.h
then
	ccflags="${ccflags} -DHAS_CVMFS"
	cvmfs_ccflags="-I${cvmfs_path}/include"

	if library_search cvmfs ${cvmfs_path}
	then
		cvmfs_ldflags="${library_search_result}"
	else
		echo "*** Couldn't find $library in ${cvmfs_path}"
		exit 1
	fi

	cvmfs_version=$(sed -n 's/^#define LIBCVMFS_VERSION \+\([0-9]\+\)/\1/p' ${cvmfs_path}/include/libcvmfs.h)
	if [ $cvmfs_version -gt 1 ]
	then
		if library_search uuid $uuid_path
		then
			cvmfs_ldflags="${cvmfs_ldflags} ${library_search_result}"
		else
			echo "*** Couldn't find libuuid"
			echo "*** Check --with-uuid-path and try again."
			exit 1
		fi
	fi
else
	if [ $config_cvmfs_path = yes ]
	then
		echo "*** Sorry, I couldn't find cvmfs in ${cvmfs_path}"
		echo "*** Check --with-cvmfs-path and try again."
		exit 1
	else
		echo "*** skipping cvmfs support"
	fi
fi

if [ $config_fuse_path != no ]
then
		if library_search fuse ${fuse_path} || library_search fuse /
		then
				if [ "${fuse_path}" != / -a "${fuse_path}" != /usr ]
				then
						fuse_ccflags="-I${fuse_path}/include"
				fi
				ccflags="${ccflags} -DHAS_FUSE"
				fuse_ldflags="${library_search_result}"
		else
				if [ $config_fuse_path = yes ]
				then

				echo "*** Sorry, I couldn't find Fuse in $fuse_path"
				echo "*** Check --with-fuse-path and try again."
				exit 1
				else
						echo "*** skipping fuse support"
				fi
		fi
else
	echo "*** skipping fuse support"
fi

##########################################################################
# SWITCH BACK TO DYNAMIC LINKING FOR COMMON SYSTEM LIBRARIES
##########################################################################
library_search_mode=prefer_dynamic
##########################################################################

if [ $config_readline_path != no ] && library_search readline ${readline_path}
then
	external_libraries="${external_libraries} ${library_search_result}"

	if [ ${readline_path} != /usr ]
	then
		ccflags="${ccflags} -I${readline_path}/include"
	fi

	ccflags="${ccflags} -DHAS_LIBREADLINE"

	# We rely on the --as-needed flag to figure out what dynamic
	# libraries are actually used by each executable.
	# However, libreadline doesn't properly specify a dependency
	# on ncurses, termcap, and history, so we must force them to link.

	if [ $BUILD_SYS = LINUX ]
	then
		# Remove the -lreadline that was added by "library_search readline" above
		external_libraries=`echo $external_libraries | sed "s/-lreadline//"`

		# Put the readline flags in a separate variable to be used only where needed.
		cctools_readline_ldflags="-lreadline ${link_no_as_needed} -lncurses -lhistory ${link_as_needed}"
	else
		if library_search ncurses ${readline_path}
		then
			external_libraries="${external_libraries} ${library_search_result}"
		fi

		if library_search termcap ${readline_path}
		then
			external_libraries="${external_libraries} ${library_search_result}"
		fi

		if library_search history ${readline_path}
		then
			external_libraries="${external_libraries} ${library_search_result}"
		fi
	fi
else
	echo "*** skipping readline..."
fi

if [ $BUILD_SYS = DARWIN ]
then
	if [ ! -d "/usr/include" ]
	then
		# The version of getopt.h packaged in cctools appears to cause a SIGBUS on Darwin.
		# Mac OS X Command Line Tools need to be installed to obtain a getopt.h that works.
		echo "*** Sorry, I can't proceed without Mac OS X Command Line Tools."
		echo "*** Please refer to the installation instructions."
		exit 1
	fi
fi

if [ $config_perl_path != no ]
then
	if check_file ${perl_path}/bin/perl
	then
		perl=${perl_path}/bin/perl
	else
		perl=0
	fi

	if [ $perl != 0 ]
	then
		perl_version=`${perl} -e 'printf "%vd\n",$^V;'`
		if [ $? = 0 ]
		then
			echo "perl version is ${perl_version}"
		else
			perl=0
		fi
	fi

	if [ $perl != 0 ]
	then
		perl_ccflags=`${perl} -MExtUtils::Embed -e ccopts`
		perl_ldflags=`${perl} -MExtUtils::Embed -e ldopts`

		if [ $? = 0 ]
		then
			# On OSX, the ExtUtils::Embed options contain options
			# to generate triple-fat binaries, which fails when
			# we attempt to bring in our thin binaries.

			# To avoid this problem, remove all of the -arch XXX
			# arguments, so that the compiler produces the default,
			# which will be compatible with the other objects we compile.

			if [ ${BUILD_SYS} = DARWIN ]
			then
				perl_ccflags=`echo ${perl_ccflags} | sed 's/-arch [^ ]* *//g'`
				perl_ldflags=`echo ${perl_ldflags} | sed 's/-arch [^ ]* *//g'`
			fi

			swig_bindings="$swig_bindings perl"
		else
			perl=0
		fi
	fi

	if [ $perl = 0 ]
	then
				if [ $config_perl_path = yes ]
				then
						echo "*** Sorry, I couldn't find the perl libraries in $perl_path"
						echo "*** Check --with-perl-path and try again."
						exit 1
				else
						echo "*** skipping perl support"
				fi
	fi
fi

if [ $config_python_path != no ]
then
	if [ -n "$PYTHON" ] && check_file ${PYTHON}
	then
		python=${PYTHON}
	elif check_file ${python_path}/bin/python2
	then
		python=${python_path}/bin/python2
	elif check_file ${python_path}/bin/python
	then
		python=${python_path}/bin/python
	else
		python=0
	fi

	if [ $python != 0 ]
	then
		python_version=`${python} -V 2>&1 | cut -d " " -f 2`
		echo "python version is ${python_version}"
		python_major_version=`echo ${python_version} | cut -d . -f 1`
		python_minor_version=`echo ${python_version} | cut -d . -f 2 | cut -d . -f 1,2`
		if [ "$python_major_version" -eq 2 -a "$python_minor_version" -ge 4 ]
		then
			if check_file ${python_path}/include/python2.$python_minor_version/Python.h
			then
				echo "found python development libraries"
				python_ccflags_file=`mktemp tmp.XXXXXX`
				python_ldflags_file=`mktemp tmp.XXXXXX`
				python_dev=yes

				env HOME=/var/empty ${python} > $python_ccflags_file <<EOF
from distutils import sysconfig
flags = ['-I' + sysconfig.get_python_inc(),
	 '-I' + sysconfig.get_python_inc(plat_specific=True)]
syscfgflags = sysconfig.get_config_var('CFLAGS')
if not syscfgflags is None:
	flags.extend(syscfgflags.split())
print ' '.join(flags)
EOF
				env HOME=/var/empty ${python} > $python_ldflags_file <<EOF
from distutils import sysconfig
libs = sysconfig.get_config_var('LIBS').split() + sysconfig.get_config_var('SYSLIBS').split()
if not sysconfig.get_config_var('Py_ENABLE_SHARED'):
	libs.insert(0, '-L' + sysconfig.get_config_var('LIBPL'))
print ' '.join(libs)
EOF
				python_ccflags=`cat $python_ccflags_file`
				python_ldflags=`cat $python_ldflags_file`
				rm $python_ccflags_file
				rm $python_ldflags_file

				# On OSX, the ExtUtils::Embed options contain options
				# to generate triple-fat binaries, which fails when
				# we attempt to bring in our thin binaries.

				# To avoid this problem, remove all of the -arch XXX
				# arguments, so that the compiler produces the default,
				# which will be compatible with the other objects we compile.

							if [ ${BUILD_SYS} = DARWIN ]
				then
					python_ccflags=`echo ${python_ccflags} | sed 's/-arch [^ ]* *//g'`
					python_ldflags=`echo ${python_ldflags} | sed 's/-arch [^ ]* *//g'`
				fi

				if [ $BUILD_SYS = DARWIN ]
				then
					python_ldflags="$python_ldflags -undefined dynamic_lookup"
				fi

				swig_bindings="$swig_bindings python"
			else
				python_dev=no
			fi
		else
			echo "*** Sorry, we require Python >= 2.4"
			python=0
		fi
	fi

	if [ $python_dev = no ]
	then
				if [ $config_python_path = yes ]
				then
						echo "*** Sorry, I couldn't find the Python >= 2.4 libraries in $python_path"
						echo "*** Check --with-python-path and try again."
						exit 1
				else
						echo "*** skipping python bindings support"
				fi
	fi
fi

# If python is not found, then leave out weaver.

if [ $python != 0 -a $python_major_version = 2 -a $python_minor_version -ge 6 ]
then
	echo "python version is suitable for umbrella"
	echo "python version is suitable for prune"
	echo "python version is suitable for weaver"
else
	echo "umbrella requires python >= 2.6"
	packages=`echo ${packages} | sed 's/umbrella//g'`
	echo "prune requires python >= 2.6"
	packages=`echo ${packages} | sed 's/prune//g'`
	echo "weaver requires python >= 2.6"
	packages=`echo ${packages} | sed 's/weaver//g'`
fi

if [ $config_python3_path != no ]
then
	if [ -n "$PYTHON3" ] && check_file ${PYTHON3}
	then
		python3=${PYTHON3}
	elif check_file ${python3_path}/bin/python3
	then
		python3=${python3_path}/bin/python3
	elif check_file ${python3_path}/bin/python
	then
		python3=${python3_path}/bin/python
	else
		python3=0
	fi

	if check_file ${python3_path}/bin/2to3
	then
		python3_2to3=${python3_path}/bin/2to3
	else
		python3=0
	fi

	if [ $python3 != 0 ]
	then
		python3_version=`${python3} -V 2>&1 | cut -d " " -f 2`
		echo "python3 version is ${python3_version}"
		python3_major_version=`echo ${python3_version} | cut -d . -f 1`
		python3_minor_version=`echo ${python3_version} | cut -d . -f 2 | cut -d . -f 1,2`
		if [ "$python3_major_version" -eq 3 ]
		then
			python3_include=`${python3} -c 'from distutils import sysconfig; print(sysconfig.get_python_inc())'`
			if check_file ${python3_include}/Python.h && check_file ${python3}-config
			then
				echo "found python3 development libraries"
				python3_ccflags=`${python3}-config --cflags`
				python3_ldflags=`${python3}-config --ldflags`

				# On OSX, the ExtUtils::Embed options contain options
				# to generate triple-fat binaries, which fails when
				# we attempt to bring in our thin binaries.

				# To avoid this problem, remove all of the -arch XXX
				# arguments, so that the compiler produces the default,
				# which will be compatible with the other objects we compile.

				if [ ${BUILD_SYS} = DARWIN ]
				then
					python3_ccflags=`echo ${python3_ccflags} | sed 's/-arch [^ ]* *//g'`
					python3_ldflags=`echo ${python3_ldflags} | sed 's/-arch [^ ]* *//g'`
				fi

				if [ $BUILD_SYS = DARWIN ]
				then
					python3_ldflags="$python3_ldflags -undefined dynamic_lookup"
				fi

				swig_bindings="$swig_bindings python3"
			else
				python3=0
			fi
		else
			echo "*** Sorry, we require Python3 >= 3.0"
			python3=0
		fi
	fi

	if [ $python3 = 0 ]
	then
		if [ $config_python3_path = yes ]
		then
			echo "*** Sorry, I couldn't find the Python3 >= 3.0 libraries in $python3_path"
			echo "*** Check --with-python3-path and try again."
			exit 1
		else
			echo "*** skipping python3 support"
		fi
	fi
fi

found_swig=no
if [ $config_swig_path != no ]
then
	swig=""
	if check_file ${swig_path}/bin/swig
	then
		swig=${swig_path}/bin/swig
	else
		if check_path swig
		then
			swig=`which swig`
		else
			echo "*** skipping swig bindings for work queue"
		fi
	fi

	if [ -n "$swig" ]
	then
		swig_version=`${swig} -version | grep -i version | awk '{print $3}'`
		if [ ! \( "$python_major_version" -eq 2 -a "$python_minor_version" -eq 4 \) -a `format_version $swig_version` -eq `format_version 1.3.29` ]
		then
			echo "*** Sorry, Swig 1.3.29 does not work with Python $python_version."
			echo "*** skipping swig bindings for work queue and chirp"
		elif [ "$python_dev" = no ]
		then
			echo "*** Sorry, Swig needs the develovement files for python (e.g., python-devel, or python-dev)."
			echo "*** skipping swig bindings for work queue and chirp"
		elif [ "$python3" != 0 -a `format_version $swig_version` -lt `format_version 2.0.4` ]
		then
			# Python 3 requires Swig version >= 2.0.4; cf.
			# http://sourceforge.net/p/swig/bugs/1104/ and
			# http://sourceforge.net/p/swig/news/?page=1
			echo "*** Sorry, Swig $swig_version does not work with Python 3 version $python3_version."
			echo "*** Specifically, Swig >= 2.0.4 is needed for Python 3 support."
			echo "*** skipping swig bindings for work queue and chirp"
		elif [ `format_version $swig_version` -ge `format_version 1.3.29` ]
		then
			found_swig=yes
		else
			echo "*** Sorry, I need swig >= 1.3.29"
			echo "*** skipping swig bindings for work queue and chirp"
		fi
	fi
else
	if [ $config_swig_path = yes ]
	then
		echo "*** Sorry, I couldn't find swig in $swig_path"
		echo "*** Check --with=swig-path and try again."
		exit 1
	else
		echo "*** skipping swig bindings for work queue"
	fi
fi

if [ $found_swig != yes ]
then
	swig_bindings=""
fi

linker="gcc"

library_search_standard()
{
	if library_search "$@"
	then
		external_libraries="${external_libraries} ${library_search_result}"
	fi
}

library_search_standard ssl /usr
library_search_standard crypto /usr
library_search_standard resolv /usr
library_search_standard socket /usr
library_search_standard nsl /usr

# Finally, add in standard system libraries found everywhere

if [ $BUILD_SYS != DARWIN ]
then
	external_libraries="${external_libraries} -lrt"
fi

if [ $BUILD_SYS != FREEBSD ] || [ $BUILD_SYS != DRAGONFLY ]
then
	external_libraries="${external_libraries} -ldl"
fi

if library_search z ${zlib_path}
then
	external_libraries="${external_libraries} ${library_search_result}"
	if [ "$zlib_path" != /usr ]
	then
		ccflags="${ccflags} -I${zlib_path}/include"
		ldflags="${ldflags} -L${zlib_path}/lib"
	fi
else
	echo "*** Sorry, I couldn't find zlib in $zlib_path"
	echo "*** Check --with-zlib-path and try again."
	exit 1
fi

if [ ${BUILD_SYS} != CYGWIN ]
then
	external_libraries="${external_libraries} -lstdc++ -lpthread -lz -lc -lm"
else
	external_libraries="${external_libraries} -lstdc++ -lpthread -lz -lm"
fi

if [ $BUILD_SYS = DARWIN ]
then
	cctools_dynamic_suffix=dylib
	cctools_dynamic_flag=-dynamiclib
else
	cctools_dynamic_suffix=so
	cctools_dynamic_flag=-shared
fi

# sqlite3 uses define "HAVE_*"
optional_function gmtime_r /usr/include/time.h HAVE_GMTIME_R
optional_function fdatasync /usr/include/unistd.h HAVE_FDATASYNC
optional_function isnan /usr/include/math.h HAS_ISNAN HAVE_ISNAN SQLITE_HAVE_ISNAN
optional_function localtime_r /usr/include/time.h HAVE_LOCALTIME_R
optional_function localtime_s /usr/include/time.h HAVE_LOCALTIME_S
optional_function pread /usr/include/unistd.h HAS_PREAD USE_PREAD
optional_function pread64 /usr/include/unistd.h USE_PREAD64
optional_function pwrite /usr/include/unistd.h HAS_PWRITE USE_PWRITE
optional_function pwrite64 /usr/include/unistd.h USE_PWRITE64
optional_function strchrnul /usr/include/string.h HAVE_STRCHRNUL
optional_function strsignal /usr/include/string.h HAS_STRSIGNAL
optional_function usleep /usr/include/unistd.h HAS_USLEEP HAVE_USLEEP
optional_function utime /usr/include/utime.h HAS_UTIME HAVE_UTIME

# sqlite3 uses define "HAVE_*"
optional_include attr/xattr.h HAS_ATTR_XATTR_H
optional_include fts.h HAS_FTS_H
optional_include inttypes.h HAS_INTTYPES_H HAVE_INTTYPES_H
optional_include stdint.h HAS_STDINT_H HAVE_STDINT_H
optional_include sys/statfs.h HAS_SYS_STATFS_H
optional_include sys/statvfs.h HAS_SYS_STATVFS_H
optional_include sys/xattr.h HAS_SYS_XATTR_H
optional_include syslog.h HAS_SYSLOG_H

#if optional_library_function systemd/sd-journal.h sd_journal_print systemd HAS_SYSTEMD_JOURNAL_H; then
#	external_libraries="${external_libraries} -lsystemd"
#fi

cctools_doctargets=

if check_path doxygen
then
	cctools_doctargets="${cctools_doctargets} apipages"
else
	echo "*** not building API documentation"
fi

if check_path m4
then
	cctools_doctargets="${cctools_doctargets} htmlpages"
	if check_path nroff
	then
		cctools_doctargets="${cctools_doctargets} manpages"
	else
		echo "*** not building man pages"
	fi
else
	echo "*** not building html or man pages"
fi

# We always compile with debugging enabled,
# however on Solaris, the -g option results in a different
# debugging format that causes linking errors in getopt code.

if [ $BUILD_SYS = SUNOS ]
then
	debug_flag="-gstabs+"
else
	debug_flag="-g"
fi

ccflags_append_define \
	"BUILD_DATE='\"$BUILD_DATE\"'" \
	"BUILD_HOST='\"$BUILD_HOST\"'" \
	"BUILD_USER='\"$BUILD_USER\"'" \
	"CCTOOLS_COMMIT='\"$COMMIT\"'" \
	"CCTOOLS_CONFIGURE_ARGUMENTS='\"$configure_arguments\"'" \
	"CCTOOLS_CPU_${BUILD_CPU}" \
	"CCTOOLS_CVMFS_BUILD_FLAGS='\"${cvmfs_ldflags} ${cvmfs_ccflags}\"'" \
	"CCTOOLS_OPSYS_${BUILD_SYS}" \
	"CCTOOLS_RELEASE_DATE='\"$DATE\"'" \
	"CCTOOLS_SOURCE='\"$SOURCE\"'" \
	"CCTOOLS_SYSTEM_INFORMATION='\"$system_information\"'" \
	"CCTOOLS_VERSION='\"$VERSION\"'" \
	"CCTOOLS_VERSION_MAJOR=$MAJOR" \
	"CCTOOLS_VERSION_MICRO=$MICRO" \
	"CCTOOLS_VERSION_MINOR=$MINOR" \
	"INSTALL_PATH='\"${install_path}\"'" \
	"_GNU_SOURCE" \
	"_REENTRANT"
ccflags_append "$debug_flag"
ldflags="${ldflags} ${debug_flag}"

if [ X$include_package_parrot = "Xparrot" ]
then

	cat <<EOF > libparrot.test.c
int main() { return 0; }
EOF
	echon "testing creation of 64-bit libparrot_helper.so..."
	$ccompiler $internal_ccflags -m64 libparrot.test.c -o libparrot.test > /dev/null 2>&1
	if [ $? = 0 ]
	then
		build_lib64parrot_helper="yes"
	else
		build_lib64parrot_helper="no"
	fi
	echo $build_lib64parrot_helper

	echon "testing creation of 32-bit libparrot_helper.so..."
	$ccompiler $internal_ccflags -m32 libparrot.test.c -o libparrot.test > /dev/null 2>&1
	if [ $? = 0 ]
	then
		build_lib32parrot_helper="yes"
	else
		build_lib32parrot_helper="no"
	fi
	echo $build_lib32parrot_helper

	rm -f libparrot.test.c libparrot.test
fi


echo "Creating config.mk..."

if [ "$optdebug" = 1 ]; then
	CCTOOLS_CC="${ccompiler}"
	CCTOOLS_CXX="${cxxcompiler}"
	CCTOOLS_LD="${linker}"
else
	CCTOOLS_CC='@echo COMPILE $@;'"${ccompiler}"
	CCTOOLS_CXX='@echo COMPILE $@;'"${cxxcompiler}"
	CCTOOLS_LD='@echo LINK $@;'"${linker}"
fi

cat <<EOF >>config.mk
# Generated at `date` by $USER@`uname -n`

CCTOOLS_INSTALL_DIR=${install_path}
CCTOOLS_PACKAGES=${packages}

CCTOOLS_CC=${CCTOOLS_CC}

CCTOOLS_BASE_CCFLAGS=${ccflags}

CCTOOLS_INTERNAL_CCFLAGS=${internal_ccflags} \${CCTOOLS_BASE_CCFLAGS} ${c_only_flags}

CCTOOLS_CCFLAGS=-I\${CCTOOLS_INSTALL_DIR}/include/cctools \${CCTOOLS_BASE_CCFLAGS} ${c_only_flags}

CCTOOLS_CXX=${CCTOOLS_CXX}

CCTOOLS_BASE_CXXFLAGS=\${CCTOOLS_BASE_CCFLAGS}

CCTOOLS_INTERNAL_CXXFLAGS=${internal_ccflags} \${CCTOOLS_BASE_CCFLAGS}

CCTOOLS_CXXFLAGS=-I\${CCTOOLS_INSTALL_DIR}/include/cctools \${CCTOOLS_BASE_CCFLAGS}

CCTOOLS_LD = ${CCTOOLS_LD}

CCTOOLS_BASE_LDFLAGS = ${ldflags}

CCTOOLS_INTERNAL_LDFLAGS = \$(CCTOOLS_BASE_LDFLAGS) ${internal_ldflags}

CCTOOLS_EXTERNAL_LINKAGE = ${external_libraries}

CCTOOLS_LDFLAGS = -L\$(CCTOOLS_INSTALL_DIR)/lib \$(CCTOOLS_BASE_LDFLAGS)

CCTOOLS_READLINE_LDFLAGS=${cctools_readline_ldflags}

CCTOOLS_DYNAMIC_SUFFIX=${cctools_dynamic_suffix}
CCTOOLS_DYNAMIC_FLAG=${cctools_dynamic_flag}

CC=\$(CCTOOLS_CC)
CCFLAGS=\$(CCTOOLS_CCFLAGS)
LD=\$(CCTOOLS_LD)
LDFLAGS=\$(CCTOOLS_LDFLAGS)
CXX=\$(CCTOOLS_CXX)
CXXFLAGS=\$(CCTOOLS_CXXFLAGS)

CCTOOLS_AR=ar

CCTOOLS_SWIG=${swig}

CCTOOLS_PERL=${perl}
CCTOOLS_PERL_CCFLAGS=${perl_ccflags}
CCTOOLS_PERL_LDFLAGS=${perl_ldflags}
CCTOOLS_PERL_VERSION=${perl_version}

CCTOOLS_PYTHON=\$(CCTOOLS_PYTHON2)
CCTOOLS_PYTHON_CCFLAGS=\$(CCTOOLS_PYTHON2_CCFLAGS)
CCTOOLS_PYTHON_LDFLAGS=\$(CCTOOLS_PYTHON2_LDFLAGS)
CCTOOLS_PYTHON_VERSION=\$(CCTOOLS_PYTHON2_VERSION)
CCTOOLS_PYTHON_PATH=\$(CCTOOLS_INSTALL_DIR)/lib/python\$(CCTOOLS_PYTHON_VERSION)/site-packages

CCTOOLS_PYTHON2=${python}
CCTOOLS_PYTHON2_CCFLAGS=${python_ccflags}
CCTOOLS_PYTHON2_LDFLAGS=${python_ldflags}
CCTOOLS_PYTHON2_VERSION=${python_major_version}.${python_minor_version}
CCTOOLS_PYTHON2_PATH=\$(CCTOOLS_INSTALL_DIR)/lib/python\$(CCTOOLS_PYTHON2_VERSION)/site-packages

CCTOOLS_PYTHON3=${python3}
CCTOOLS_PYTHON3_CCFLAGS=${python3_ccflags}
CCTOOLS_PYTHON3_LDFLAGS=${python3_ldflags}
CCTOOLS_PYTHON3_VERSION=${python3_major_version}.${python3_minor_version}
CCTOOLS_PYTHON3_2TO3=${python3_2to3}
CCTOOLS_PYTHON3_PATH=\$(CCTOOLS_INSTALL_DIR)/lib/python\$(CCTOOLS_PYTHON3_VERSION)/site-packages

CCTOOLS_SWIG_BINDINGS=${swig_bindings}

CCTOOLS_SGE_PARAMETERS=$(echo ${sge_parameters} | sed -e 's/\$/\\\$\$/g')

CCTOOLS_DOCTARGETS=${cctools_doctargets}

CCTOOLS_M4_ARGS=-DCCTOOLS_VERSION="${VERSION}" -DCCTOOLS_RELEASE_DATE="${RELEASE_DATE}"

CCTOOLS_BUILD_LIB64PARROT_HELPER=${build_lib64parrot_helper}
CCTOOLS_BUILD_LIB32PARROT_HELPER=${build_lib32parrot_helper}

CCTOOLS_VERSION=${VERSION}
CCTOOLS_RELEASEDATE=${RELEASE_DATE}

CCTOOLS_IRODS_LDFLAGS=${irods_ldflags}
CCTOOLS_IRODS_CCFLAGS=${irods_ccflags}

CCTOOLS_MYSQL_LDFLAGS=${mysql_ldflags}
CCTOOLS_MYSQL_CCFLAGS=${mysql_ccflags}

CCTOOLS_XROOTD_LDFLAGS=${xrootd_ldflags}
CCTOOLS_XROOTD_CCFLAGS=${xrootd_ccflags}

CCTOOLS_CVMFS_LDFLAGS=${cvmfs_ldflags}
CCTOOLS_CVMFS_CCFLAGS=${cvmfs_ccflags}

CCTOOLS_FUSE_LDFLAGS=${fuse_ldflags}
CCTOOLS_FUSE_CCFLAGS=${fuse_ccflags}

CCTOOLS_GLOBUS_LDFLAGS=${globus_ldflags}
CCTOOLS_GLOBUS_CCFLAGS=${globus_ccflags}
EOF

echo ""
echo "To re-configure, type './configure.rerun'"
echo "To build, type '${MAKE}'"
echo "To build and install, type '${MAKE} install'"
echo ""

exit 0


# vim: set noexpandtab tabstop=4: