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#! /usr/bin/env bash
# file : build/c/gnu/configure
# author : Boris Kolpackov <boris@codesynthesis.com>
# copyright : Copyright (c) 2004-2011 Code Synthesis Tools CC
# license : GNU GPL v2; see accompanying LICENSE file
# $1 out file
# $2 optimize (y/n)
# $3 c_extra_options
# $4 c_ld_extra_options
#
# bld_root - build root
# project_name - project name
#
source $bld_root/dialog.bash
$echo
$echo
$echo "configuring '$project_name'"
$echo
$echo
$echo
$echo "Please enter the gcc binary you would like to use, for example 'gcc-3.4',"
$echo "'/usr/local/bin/gcc' or 'distcc gcc'."
$echo
c_gnu=`read_path --command gcc`
# Pass c_extra_options and c_ld_extra_options since those can affect the
# search paths (e.g., -m32) and target.
#
c_gnu_libraries=`$c_gnu $3 $4 -print-search-dirs | sed -e 's/libraries: =//p' -e d`
c_gnu_target=`$c_gnu $3 $4 -dumpmachine`
c_gnu_target=`$bld_root/system/config.sub "$c_gnu_target"`
if [ $? != 0 ]; then
$echo "unable to canonicalize target system '$c_gnu_target'"
exit 1
fi
c_gnu_target_cpu=`echo $c_gnu_target | cut -f 1 -d -`
c_gnu_target_mf=`echo $c_gnu_target | cut -f 2 -d -`
c_gnu_target_kernel=`echo $c_gnu_target | cut -f 3 -d -`
c_gnu_target_os=`echo $c_gnu_target | cut -f 4 -d -`
if [ -z "$c_gnu_target_os" ]; then
# Old format: cpu-mf-os
#
c_gnu_target_os=$c_gnu_target_kernel
c_gnu_target_kernel=
fi
optimization=
if [ "$2" == "y" ]; then
$echo
$echo "Please select the optimization level you would like to use:"
$echo
$echo "(1) -O1 [Tries to reduce code size and execution time, without"
$echo " performing any optimizations that take a great deal of"
$echo " compilation time.]"
$echo "(2) -O2 [Performs nearly all supported optimizations that do not"
$echo " involve a space-speed tradeoff.]"
$echo "(3) -O3 [Optimize even more.]"
$echo "(4) -Os [Optimize for size.]"
$echo
optimization=`read_option "-O1 -O2 -O3 -Os" "-O2"`
fi
echo "c_gnu := $c_gnu" > $1
echo "c_gnu_libraries := $c_gnu_libraries" >> $1
echo "c_gnu_optimization_options := $optimization" >> $1
echo "c_gnu_target := $c_gnu_target" >> $1
echo "c_gnu_target_cpu := $c_gnu_target_cpu" >> $1
echo "c_gnu_target_mf := $c_gnu_target_mf" >> $1
echo "c_gnu_target_kernel := $c_gnu_target_kernel" >> $1
echo "c_gnu_target_os := $c_gnu_target_os" >> $1
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