# Copyright 1999-2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

inherit eutils gnat

DESCRIPTION="GPS, the GNAT Programming System"
HOMEPAGE="http://libre.act-europe.fr/gps"
SRC_URI="http://libre.act-europe.fr/gps/gps-${PV}-gpl-src.tgz"

KEYWORDS="~x86"
LICENSE="GPL-2"
SLOT="0"

IUSE="python pygtk xml"

DEPEND="!dev-ada/gps-bin
	virtual/gnat
	>=dev-ada/gtkada-2.10.0
	sys-libs/db
	xml? ( >=dev-ada/xmlada-2.2.0 )
	python? ( dev-lang/python )
	pygtk? ( dev-python/pygtk )
	"

S="${WORKDIR}/gps-${PV}"

# TODO
# - make gnat properly use -jn
# - fix CFLAGS in files
# - check wether we really need gps and can not just use gps_exe
# - enable xmlada as soon it's ready

src_unpack() {

	unpack ${A}

	epatch "${FILESDIR}/${P}-gtkada.patch"

	cd ${S}

	#einfo "Patching build files..."

	# Use our flags, not theirs:
	#find . -iname 'Makefile*' -exec sed -i     \
	#   -e "s|-g -O2|CFLAGSfixme|g"             \
	#   -e "s|-O2 -g|CFLAGSfixme|g"             \
	#   -e "s|-O2|CFLAGSfixme|g"                \
	#   -e "s|^CFLAGS=$|CFLAGS = CFLAGSfixme|g" \
	#   {} \;
	# Need to replace "-g" too, but "s|-g|CFLAGSfixme|" breaks the -gnatX options.
	#
	#find . -iname 'Makefile*' -exec sed -i "s|CFLAGSfixme|${CFLAGS}|g" {} \;

	# Fix project files to use a consistent build-naming scheme,
	# so we can catch everything with the same environment variable
	# setting:
	find . -iname '*.gpr' -exec sed -i     \
	   -e "s|PRODUCTION|Production|g"      \
	   -e "s|Release|Production|g"         \
	   -e "s|BUILD|Build|g"         \
	   {} \;

	# Fix an install-time sandbox violation:
	sed -i -e "s|INSTALL_ROOT =|INSTALL_ROOT = ${D}|" \
	   kernel/src_info/sn/snsrc/tcl8.1/unix/Makefile.in

}

src_compile() {

	# Configure:
	#use xml && export ADA_PROJECT_PATH="/usr/lib/ada/`get_active_profile`/xmlada/lib/gnat"
	econf $(use_enable python) $(use_with python python=/usr ) || die "econf failed!"

	# Compile:
	A="Production" Build="Production" emake || die "make failed"
}

src_install () {

	# Install in the sandbox:
	emake prefix=${D}usr install || die "install failed"

	# Fix the locations:
	mv ${D}usr/share/doc/gps ${D}usr/share/doc/${PF}
	mv ${D}usr/share/examples ${D}usr/share/doc/${PF}

	# Install the distribution documents:
	dodoc COPYING INSTALL README

	# remove libdb, not needed
	rm ${D}usr/lib/libdb.a

	# Set up environment variables:
	dodir /etc/env.d
	echo "GPS_DOC_PATH=/usr/share/doc/${PF}/html" >  ${D}etc/env.d/55gps
	# I don't think we need this anymore:
	# Point to the project files provided by GtkAda:
	#echo "ADA_PROJECTS_PATH=/usr/projects" >> ${D}etc/env.d/55gps
}

pkg_postinst() {

	einfo "GPS is now installed."
	einfo "Please update your environment variables with"
	einfo "   env-update && source /etc/profile"
	einfo "before running GPS."
	einfo "Invoke GPS with the 'gps' command."
	einfo "Documentation can be found in /usr/share/doc/${PF}/"
}