fixed problem with ADA_PROJECT_PATH when no libs are installed (203628)

(Portage version: 2.1.4_rc11)

4 files changed, 262 insertions, 1 deletions

diff --git a/app-admin/eselect-gnat/ChangeLog b/app-admin/eselect-gnat/ChangeLog
index 52d17be69d96..2e5f78e16a2b 100644
--- a/app-admin/eselect-gnat/ChangeLog
+++ b/app-admin/eselect-gnat/ChangeLog
@@ -1,6 +1,12 @@
 # ChangeLog for app-admin/eselect-gnat
 # Copyright 1999-2007 Gentoo Foundation; Distributed under the GPL v2
-# $Header: /var/cvsroot/gentoo-x86/app-admin/eselect-gnat/ChangeLog,v 1.19 2007/12/26 22:03:13 george Exp $
+# $Header: /var/cvsroot/gentoo-x86/app-admin/eselect-gnat/ChangeLog,v 1.20 2007/12/29 09:54:06 george Exp $
+
+*eselect-gnat-1.3-r1 (29 Dec 2007)
+
+  29 Dec 2007; George Shapovalov <george@gentoo.org>
+  +files/gnat-common-1.3-r1.bash, +eselect-gnat-1.3-r1.ebuild:
+  fixed problem with ADA_PROJECT_PATH when no libs are installed (203628)
 
 *eselect-gnat-1.3 (26 Dec 2007)
 
diff --git a/app-admin/eselect-gnat/eselect-gnat-1.3-r1.ebuild b/app-admin/eselect-gnat/eselect-gnat-1.3-r1.ebuild
new file mode 100644
index 000000000000..701c3b5895d3
--- /dev/null
+++ b/app-admin/eselect-gnat/eselect-gnat-1.3-r1.ebuild
@@ -0,0 +1,32 @@
+# Copyright 1999-2007 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/app-admin/eselect-gnat/eselect-gnat-1.3-r1.ebuild,v 1.1 2007/12/29 09:54:06 george Exp $
+
+inherit eutils
+
+DESCRIPTION="gnat module for eselect."
+HOMEPAGE="http://www.gentoo.org"
+SRC_URI=""
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~amd64 ~ppc ~x86"
+
+IUSE=""
+RDEPEND="app-admin/eselect"
+
+MODULEDIR="/usr/share/eselect/modules"
+
+# NOTE!!
+# This path is duplicated in gnat-eselect module,
+# adjust in both locations!
+LIBDIR="/usr/share/gnat/lib"
+
+src_install() {
+	dodir ${MODULEDIR}
+	insinto ${MODULEDIR}
+	newins "${FILESDIR}"/gnat.eselect-${PV} gnat.eselect
+	dodir ${LIBDIR}
+	insinto ${LIBDIR}
+	newins "${FILESDIR}"/gnat-common-${PVR}.bash gnat-common.bash
+}
diff --git a/app-admin/eselect-gnat/files/digest-eselect-gnat-1.3-r1 b/app-admin/eselect-gnat/files/digest-eselect-gnat-1.3-r1
new file mode 100644
index 000000000000..e69de29bb2d1
--- /dev/null
+++ b/app-admin/eselect-gnat/files/digest-eselect-gnat-1.3-r1
diff --git a/app-admin/eselect-gnat/files/gnat-common-1.3-r1.bash b/app-admin/eselect-gnat/files/gnat-common-1.3-r1.bash
new file mode 100644
index 000000000000..76598111cf83
--- /dev/null
+++ b/app-admin/eselect-gnat/files/gnat-common-1.3-r1.bash
@@ -0,0 +1,223 @@
+# Copyright 1999-2007 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/app-admin/eselect-gnat/files/gnat-common-1.3-r1.bash,v 1.1 2007/12/29 09:54:07 george Exp $
+
+#
+# Original Author: George Shapovalov <george@gentoo.org>
+# Purpose: Contains common vars/locations and functions for use by gnat.eclass,
+# gnat.eselect and gnatbuild.eclass.
+#
+# NOTE!!!
+# This code should just define vars (try to limit these!) and simple functions.
+# No bash extensions!!
+# That is, no portage or eclass constructs are allowed!
+#
+
+
+
+# ----------------------------------
+# Globals
+
+# Environmantal stuff (for env update)
+SPECSDIR="/usr/share/gnat/eselect"
+ENVDIR="/etc/env.d"
+MARKER="55gnat-"
+
+# User configurable settings
+SETTINGSDIR="/etc/ada"
+PRIMELIST="${SETTINGSDIR}/primary_compilers"
+
+## Lib install locations
+##
+## Gnat profile dependent files go under under ${LibTop}/${Gnat_Profile}/${PN}
+## and common files go unde SpecsDir, DataDir
+#PREFIX=/usr
+## Replace %LIBDIR% below with $(get_libdir) in eclasses and ebuilds (top level Ok, inherit multilib)
+## or $(profile2libdir ${profile}) in this code, eselect module or anywhere
+## outside portage (as profile will be available only during actual execution, this only should 
+## be done inside corresponding functions).
+#AdalibSpecsDir=${PREFIX}/include/ada
+#AdalibDataDir=${PREFIX}/share/ada
+#AdalibLibTop=${PREFIX}/%LIBDIR%/ada
+
+
+# ------------------------------------
+# Helpers
+#
+
+# get_all_profile_components splits gnat profile and returns pace separated list of its components:
+# x86_64-pc-linux-gnu-gnat-gcc-4.1  -> x86_64-pc-linux-gnu gcc 4.1
+# args:
+#  $1 - the string to split
+get_all_profile_components() {
+	local GnatSLOT=${1##*-}
+	local remainder=${1%-*}
+	local GnatPkg=${remainder##*-}
+	remainder=${remainder%-gnat-*}
+	echo "${remainder} ${GnatPkg} ${GnatSLOT}"
+}
+
+# similar to above, returns only SLOT component:
+# x86_64-pc-linux-gnu-gnat-gcc-4.1  -> 4.1
+# args:
+#  $1 - the string to extract the slot from
+get_gnat_SLOT() {
+	echo "${1##*-}"
+}
+
+# returns only Pkg component:
+# x86_64-pc-linux-gnu-gnat-gcc-4.1  -> gcc
+# args:
+#  $1 - the string to extract the slot from
+get_gnat_Pkg() {
+	local remainder=${1%-*}
+	echo "${remainder##*-}"
+}
+
+# returns only Arch component:
+# x86_64-pc-linux-gnu-gnat-gcc-4.1  -> x86_64-pc-linux-gnu
+# args:
+#  $1 - the string to extract the slot from
+get_gnat_Arch() {
+	echo ${1%-gnat-*}
+}
+
+
+
+## -------------------------------------------
+#  gnat profile and lib detection functions
+
+
+# create a list of all gnat env.d files
+# for now use trivial implementation - store name of active profile in the
+# env file name, so it gets called 55gnat-${ARCH}-${PN}-${SLOT}
+get_env_list() {
+	for fn in ${ENVDIR}/${MARKER}*; do
+		echo $(basename ${fn})
+	done
+}
+
+
+
+# find all installed compilers and return a list
+find_all_compilers() {
+	[[ ! -d ${SPECSDIR} ]] && exit
+	for fn in ${SPECSDIR}/*; do
+		[[ ! -d ${fn} ]] && echo $(basename ${fn});
+	done
+}
+
+# find installed primary compilers and return a list
+find_primary_compilers() {
+	[[ ! -f ${PRIMELIST} ]] && exit
+	for fn in $(cat ${PRIMELIST}); do
+		[[ -f ${SPECSDIR}/${fn} ]] && echo ${fn};
+	done
+}
+
+# find installed libs and return a list
+find_all_libs() {
+	[[ ! -d ${SPECSDIR} ]] && exit
+	for fn in ${SPECSDIR}/*; do
+		[[ -d ${fn} ]] && echo $(basename ${fn});
+	done
+}
+
+# find libs that have been built for a given profile
+# Arguments:
+#  $1 - gnat profile for which to detect active libs
+find_libs4profile() {
+	libs=( $(find_all_libs) )
+
+	for (( i = 0 ; i < ${#libs[@]} ; i = i + 1 )) ; do
+		[[ -f ${SPECSDIR}/${libs[$i]}/$1 ]] && echo "${libs[$i]}"
+	done
+}
+
+
+
+
+## -----------------------
+#  main action - central part of do_set and helpers
+
+
+# extracts values of the passed var definition from given spec file
+# params:
+# $1: spec file (as generated by gnabuild.eclass)
+# $2: variable name
+get_var_from_spec() {
+	local var=$(grep -e "^ *$2=" $1|cut -d= -f2)
+	echo ${var}
+}
+
+
+# Cycle through given libs and form a ':' separated list of settings for the given
+# var. Returned string starts with ':' if there is any non-empty setting,
+# otherwise returns empty string. Repeating settings are omitted, that is
+# unique entry is added only first time it is encountered. No need to have some
+# common dir listed many times in PATH for example.
+#
+# params:
+#   $1 - name of env var to process
+#   $2 - name of gnat profile
+#   $3.. - list of libs to check (to avoid its composition every time)
+#        - the list is expanded to list of args at the point of call
+get_lib_var_settings() {
+	local envVar=$1
+	local toset=$2
+	#echo "get_lib_var_settings params:$@" >> /tmp/eselect-gnat.rep
+	if  [[ "none" != ${3} ]]; then
+		local envString
+		local specLine
+		while [[ -n $3 ]]; do
+			specLine=$(get_var_from_spec ${SPECSDIR}/$3/${toset} ${envVar})
+			#echo "$3:${specLine}." >> /tmp/eselect-gnat.rep
+			if [[ -n ${specLine} ]] && [[ ! ${envString} =~ ${specLine} ]]; then 
+				envString="${envString}:${specLine}"
+			fi
+			shift
+		done
+		echo "${envString}"
+	fi
+}
+
+
+
+# The action!
+# Part common for do_set and do_update of gnat.eselect, also used in gnat.eclass
+# to set environment during lib build and installation
+#
+# params:
+#  $1 - profile to set (toset param inside)
+#  $2 - envfile
+
+generate_envFile() {
+	local toset=$1
+	local envfile=$2
+
+	local binpath="$(get_var_from_spec ${SPECSDIR}/${toset} binpath)"
+	local libexecpath="$(get_var_from_spec ${SPECSDIR}/${toset} libexecpath)"
+	local libs=( $(find_libs4profile ${toset}) )
+	#echo "generate_envFile: ${libs[@]}" >> /tmp/eselect-gnat.rep
+	if (( 0 == ${#libs[@]} )); then
+		libs="none"
+	fi
+
+	local MyPath="${binpath}:${libexecpath}$(get_lib_var_settings PATH ${toset} ${libs[@]})"
+	echo "PATH=${MyPath}" > "${envfile}"
+	echo "ROOTPATH=${MyPath}" >> "${envfile}"
+	echo "MANPATH=$(get_var_from_spec ${SPECSDIR}/${toset} manpath)$(get_lib_var_settings MANPATH ${toset} ${libs[@]})" >> "${envfile}"
+	echo "INFOPATH=$(get_var_from_spec ${SPECSDIR}/${toset} infopath)$(get_lib_var_settings INFOPATH ${toset} ${libs[@]})" >> "${envfile}"
+	# the next three use the common base
+	local libBase=$(get_var_from_spec ${SPECSDIR}/${toset} ldpath)
+	echo "LDPATH=${libBase}:${libBase}/adalib$(get_lib_var_settings LDPATH ${toset} ${libs[@]})" >> "${envfile}"
+	echo "ADA_INCLUDE_PATH=${libBase}/adainclude$(get_lib_var_settings ADA_INCLUDE_PATH ${toset} ${libs[@]})" >> "${envfile}"
+	echo "ADA_OBJECTS_PATH=${libBase}/adalib$(get_lib_var_settings ADA_OBJECTS_PATH ${toset} ${libs[@]})" >> "${envfile}"
+	# ADA_PROJECT_PATH may not be set in any of the installed packages,
+	# we should only create this line if cumulative var is non-empty
+	My_ProjectPath=$(get_lib_var_settings ADA_PROJECT_PATH ${toset} ${libs[@]})
+	if [[ -n ${My_ProjectPath} ]]; then
+		echo "ADA_PROJECT_PATH=${My_ProjectPath}" >> "${envfile}"
+	fi
+}
+