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#! /usr/bin/env bash
# Note: shouldn't be executed directly, src_exe and src_dir must be set.
# The filename in src_exe should be in the <tool>-<version>-<target> form.
# Based on that set some defaults, load the corresponding config file, and
# then continue with one of the msvc-<tool>-common scripts.
trap "{ exit 1; }" ERR
set -o errtrace # Trap in functions.
function info () { echo "$*" 1>&2; }
function error () { info "$*"; exit 1; }
# Split the argument. The <version> itself should be <major>[minor] where
# <major> is digit-only and minor should start with the dot (e.g., .0).
#
arg=($(echo "$(basename "$src_exe")" | \
sed -n -e 's/^\([^-]*\)-\([0-9]*\)\(\.[^-]\{1,\}\)\{0,1\}-\([^-]*\)$/\1 \4 \2 \3/p'))
tool="${arg[0]}"
target="${arg[1]}"
major="${arg[2]}"
minor="${arg[3]}"
MAJOR="${major^^}"
MINOR="${minor^^}"
if [ -z "$tool" -o -z "$major" -o -z "$target" ]; then
error "invalid top-level script name"
fi
# For the minor version used in variable names replace dots with underscores.
#
MINOR="$(echo "$MINOR" | sed -e 's/\./_/g')"
# Calculate MSVC_{WINEPREFIX,INSTALLDIR,SDKVERSION}.
#
# We have the following environment variable name hierarchy:
#
# MSVC_<MAJOR><MINOR>_*
# MSVC_<MAJOR>_*
# MSVC_*
#
# And we always reduce these to just MSVC_* which are used further down.
#
function lookup_value() # <name>
{
local n="MSVC_${MAJOR}${MINOR}_$1"
local v="${!n}"
if [ -z "$v" ]; then
n="MSVC_${MAJOR}_$1"
v="${!n}"
if [ -z "$v" ]; then
n="MSVC_$1"
v="${!n}"
fi
fi
echo "$v"
}
MSVC_WINEPREFIX="$(lookup_value "WINEPREFIX")"
MSVC_INSTALLDIR="$(lookup_value "INSTALLDIR")"
MSVC_SDKVERSION="$(lookup_value "SDKVERSION")"
# Set an alternative .wine directory if requested. WINEPREFIX environment
# variable is recognized by wine and winepath programs.
#
if [ -n "$MSVC_WINEPREFIX" ]; then
export WINEPREFIX="$MSVC_WINEPREFIX"
fi
# Load the configuration.
#
source "$src_dir/msvc-$major/msvc-$major$minor-$target"
# Dispatch to the tool.
#
source "$src_dir/msvc-common/msvc-$tool-common"
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