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#! /bin/sh
# Simple configure script for c-lightning.
set -e
# Default values, loaded from environment or canned.
PREFIX=${PREFIX:-/usr/local}
CC=${CC:-cc}
CWARNFLAGS=${CWARNFLAGS:--Werror -Wall -Wundef -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes -Wold-style-definition}
CDEBUGFLAGS=${CDEBUGFLAGS:--std=gnu11 -g -fstack-protector}
DEVELOPER=${DEVELOPER:-0}
EXPERIMENTAL_FEATURES=${EXPERIMENTAL_FEATURES:-0}
COMPAT=${COMPAT:-1}
CONFIGURATOR_CC=${CONFIGURATOR_CC:-$CC}
CONFIGURATOR=ccan/tools/configurator/configurator
CONFIG_VAR_FILE=config.vars
CONFIG_HEADER=ccan/config.h
usage_with_default()
{
if [ $# = 4 ]; then
if [ "$2" = 1 ]; then
DEF=$3
else
DEF=$4
fi
else
DEF=$2
fi
echo " $1 (default $DEF)"
}
usage()
{
echo "Usage: ./configure [--reconfigure] [setting=value] [options]"
echo "If --reconfigure is specified, $CONFIG_VAR_FILE will set defaults if it exists."
echo "Default settings:"
usage_with_default "CC" "$CC"
usage_with_default "CWARNFLAGS" "$CWARNFLAGS"
usage_with_default "CDEBUGFLAGS" "$CDEBUGFLAGS"
usage_with_default "CONFIGURATOR_CC" "$CONFIGURATOR_CC"
usage_with_default "PYTEST" "$PYTEST"
echo " To override compile line for configurator itself"
echo "Options include:"
usage_with_default "--prefix=" "$PREFIX"
echo " Prefix for make install"
usage_with_default "--enable/disable-developer" "$DEVELOPER" "enable" "disable"
echo " Developer mode, good for testing"
usage_with_default "--enable/disable-experimental-features" "$EXPERIMENTAL_FEATURES" "enable" "disable"
echo " Developer mode, good for testing"
usage_with_default "--enable/disable-compat" "$COMPAT" "enable" "disable"
echo " Compatibility mode, good to disable to see if your software breaks"
usage_with_default "--enable/disable-valgrind" "(autodetect)"
echo " Valgrind binary to use for tests"
exit 1
}
add_var()
{
echo "Setting $1... $2"
echo "$1=$2" >> $CONFIG_VAR_FILE
[ -z "$3" ] || echo "#define $1 $2" >> "$3"
}
find_pytest()
{
PYTEST_BINS="pytest-3 pytest3 pytest py.test"
for p in $PYTEST_BINS; do
if [ "$(which $p)" != "" ] ; then
"$p" --version 2>&1 | grep -q "python3" || continue
echo "$p"
return
fi
done
PYTHON_BINS="python python3"
for p in $PYTHON_BINS; do
if [ "$(which $p)" != "" ] ; then
$p --version 2>&1 | grep -q "Python 3." || continue
if $p -c "import pytest" ; then
echo "$p -m pytest"
return
fi
fi
done
}
PYTEST=${PYTEST:-`find_pytest`}
for opt in "$@"; do
case "$opt" in
--reconfigure)
# Escape spaces for things like CWARNFLAGS.
sed 's/=\(.*\)$/="\1"/' $CONFIG_VAR_FILE > $CONFIG_VAR_FILE.$$
. ./$CONFIG_VAR_FILE.$$
;;
CC=*) CC="${opt#CC=}";;
CONFIGURATOR_CC=*) CONFIGURATOR_CC="${opt#CONFIGURATOR_CC=}";;
CWARNFLAGS=*) CWARNFLAGS="${opt#CWARNFLAGS=}";;
CDEBUGFLAGS=*) CDEBUGFLAGS="${opt#CDEBUGFLAGS=}";;
PYTEST=*) PYTEST="${opt#PYTEST=}";;
--prefix=*) PREFIX="${opt#--prefix=}";;
--enable-developer) DEVELOPER=1;;
--disable-developer) DEVELOPER=0;;
--enable-experimental-features) EXPERIMENTAL_FEATURES=1;;
--disable-experimental-features) EXPERIMENTAL_FEATURES=0;;
--enable-compat) COMPAT=1;;
--disable-compat) COMPAT=0;;
--enable-valgrind) VALGRIND=1;;
--disable-valgrind) VALGRIND=0;;
--help|-h) usage;;
*)
echo "Unknown option '$opt'" >&2
usage
;;
esac
done
echo -n "Compiling $CONFIGURATOR..."
$CC $CWARNFLAGS $CDEBUGFLAGS -o $CONFIGURATOR $CONFIGURATOR.c
echo "done"
if [ -z "$VALGRIND" ]; then
if valgrind -q --error-exitcode=7 --track-origins=yes --leak-check=full --show-reachable=yes --errors-for-leak-kinds=all $CONFIGURATOR --help >/dev/null 2>&1; then
VALGRIND=1
else
VALGRIND=0
fi
fi
rm -f $CONFIG_VAR_FILE.$$
$CONFIGURATOR --autotools-style --var-file=$CONFIG_VAR_FILE.$$ --header-file=$CONFIG_HEADER --configurator-cc="$CONFIGURATOR_CC" "$CC" $CWARNFLAGS $CDEBUGFLAGS
mv $CONFIG_VAR_FILE.$$ $CONFIG_VAR_FILE
add_var PREFIX "$PREFIX"
add_var CC "$CC"
add_var CONFIGURATOR_CC "$CONFIGURATOR_CC"
add_var CWARNFLAGS "$CWARNFLAGS"
add_var CDEBUGFLAGS "$CDEBUGFLAGS"
add_var VALGRIND "$VALGRIND"
add_var DEVELOPER "$DEVELOPER" $CONFIG_HEADER
add_var EXPERIMENTAL_FEATURES "$EXPERIMENTAL_FEATURES" $CONFIG_HEADER
add_var COMPAT "$COMPAT" $CONFIG_HEADER
add_var PYTEST "$PYTEST"
# Hack to avoid sha256 name clash with libwally: will be fixed when that
# becomes a standalone shared lib.
echo '#include "ccan_compat.h"' >> $CONFIG_HEADER