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#!/bin/sh
#
# rhctl
#
# Copyright (C) 2009-2015 Christian Pointner <equinox@helsinki.at>
#
# This file is part of rhctl.
#
# rhctl is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# any later version.
#
# rhctl is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with rhctl. If not, see <http://www.gnu.org/licenses/>.
#
TARGET=`uname -s`
USE_CLANG=0
LUA_LDFLAGS='-lm'
LUA_DIR=''
LUA=''
LUA_VER=''
print_usage() {
echo "configure --help print this"
echo " --target=<TARGET> build target i.e. Linux (default: autodetect)"
echo " --with-lua=<DIR> use this lua tree instead of system default"
echo " --lua-version=nnn set fixed Lua version for automatic detection (501 -> 5.1, 502 -> 5.2)"
echo " --use-clang use clang/llvm as compiler/linker"
}
for arg
do
case $arg in
--target=*)
TARGET=${arg#--target=}
;;
--use-clang)
USE_CLANG=1
;;
--with-lua=*)
LUA_DIR=${arg#--with-lua=}
;;
--lua-version=*)
LUA_VER=${arg#--lua-version=}
;;
--help)
print_usage
exit 0
;;
*)
echo "Unknown argument: $arg"
print_usage
exit 1
;;
esac
done
if [ $USE_CLANG -eq 0 ]; then
CFLAGS='-g -Wall -O2'
LDFLAGS='-g -Wall -O2'
COMPILER='gcc'
else
CFLAGS='-g -O2'
LDFLAGS='-g -O2'
COMPILER='clang'
fi
rm -f include.mk
case $TARGET in
Linux)
echo "Linux specific build options"
LUA_LDFLAGS=$LUA_LDFLAGS' -ldl'
;;
OpenBSD|FreeBSD|NetBSD)
echo "BSD specific build options"
CFLAGS=$CFLAGS' -I/usr/local/include'
LDFLAGS=$LDFLAGS' -L/usr/local/lib'
;;
*)
echo "Plattform not supported"
exit 1;
;;
esac
test_lua_version()
{
LUA_VERSION_MAJ=`cat $1 | grep "#define LUA_VERSION_MAJOR[ ]" | cut -f2- | tr -d '"'`
LUA_VERSION_MIN=`cat $1 | grep "#define LUA_VERSION_MINOR[ ]" | cut -f2- | tr -d '"'`
LUA_VERSION_REL=`cat $1 | grep "#define LUA_VERSION_RELEASE[ ]" | cut -f2- | tr -d '"'`
LUA_VERSION="$LUA_VERSION_MAJ.$LUA_VERSION_MIN"
LUA_RELEASE="$LUA_VERSION_MAJ.$LUA_VERSION_MIN.$LUA_VERSION_REL"
if [ -z "$LUA_VERSION_MAJ" ]; then
LUA_VERSION=`cat $1 | grep "#define LUA_VERSION[ ]" | cut -f2- | tr -d '"' | sed -e 's/Lua \([0-9][0-9.]*\)/\1/'`
LUA_RELEASE=`cat $1 | grep "#define LUA_RELEASE[ ]" | cut -f2- | tr -d '"' | sed -e 's/Lua //'`
fi
LUA_VERSION_NUM=`cat $1 | grep "#define LUA_VERSION_NUM" | awk '{ print $3 }'`
if [ -n "$LUA_VER" ]; then
if [ "$LUA_VER" -eq $LUA_VERSION_NUM ]; then
return 1
else
return 0
fi
else
if [ $LUA_VERSION_NUM -ge 501 ]; then
return 1
else
return 0
fi
fi
}
if [ -z "$LUA_DIR" ]; then
for prefix in /usr /usr/local; do
if [ -e $prefix/include/lua.h ]; then
test_lua_version $prefix/include/lua.h
if [ $? -eq 1 ]; then
echo "using Lua $LUA_VERSION ($LUA_RELEASE) found at $prefix/include"
CFLAGS="$CFLAGS -I'$prefix/include'"
LUA_LDFLAGS="$LUA_LDFLAGS -L'$prefix/lib' -llua"
LUA=$prefix/lua
LUAC=$prefix/luac
break
fi
else
for dir in `ls -r -d $prefix/include/lua* 2> /dev/null`; do
if [ -e $dir/lua.h ]; then
test_lua_version $dir/lua.h
if [ $? -eq 1 ]; then
echo "using Lua $LUA_VERSION ($LUA_RELEASE) found at $dir"
CFLAGS="$CFLAGS -I$dir"
if [ -x "$prefix/bin/lua$LUA_VERSION" ]; then
LUA_LDFLAGS="$LUA_LDFLAGS -L'$prefix/lib' -llua$LUA_VERSION"
LUA=$prefix/bin/lua$LUA_VERSION
LUAC=$prefix/bin/luac$LUA_VERSION
elif [ -x "$prefix/bin/lua-$LUA_VERSION" ]; then
LUA_LDFLAGS="$LUA_LDFLAGS -L'$prefix/lib' -llua-$LUA_VERSION"
LUA=$prefix/bin/lua-$LUA_VERSION
LUAC=$prefix/bin/luac-$LUA_VERSION
else
echo "ERROR: found lua.h at $dir/lua.h but no matching lua and luac"
return 1
fi
break
fi
fi
done
if [ -n "$LUAC" ]; then
break
fi
fi
done
if [ -z "$LUAC" ]; then
echo "ERROR: no suitable lua found .. please install lua 5.1 or higher or use --with-lua"
return 1
fi
else
CFLAGS="$CFLAGS -I'$LUA_DIR/include'"
LUA_LDFLAGS="$LUA_LDFLAGS '$LUA_DIR/lib/liblua.a'"
LUA=$LUA_DIR/bin/lua
LUAC=$LUA_DIR/bin/luac
fi
cat > include.mk <<EOF
# this file was created automatically
# do not edit this file directly
# use ./configure instead
TARGET := $TARGET
CC := $COMPILER
CFLAGS := $CFLAGS
LDFLAGS := $LDFLAGS
LUA := $LUA
LUAC := $LUAC
LUA_LDFLAGS := $LUA_LDFLAGS
EOF
exit 0
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