#!/bin/sh

# Copyright (C) Igor Sysoev
# Copyright (C) NGINX, Inc.


# Disable localized program messages.
LC_ALL=C
export LC_ALL

# Stop on error exit status.
set -e

# Stop on uninitialized variable.
set -u

# Initialize variables with null values if they are not defined.
CFLAGS=${CFLAGS=}
NXT_TEST_CFLAGS=${NXT_TEST_CFLAGS=}
NXT_TEST_LIBS=${NXT_TEST_LIBS=}

NXT_BUILD_DIR=${NXT_BUILD_DIR:-build}

NXT_AUTOTEST=$NXT_BUILD_DIR/autotest
NXT_AUTOCONF_ERR=$NXT_BUILD_DIR/autoconf.err
NXT_AUTOCONF_DATA=$NXT_BUILD_DIR/autoconf.data
NXT_AUTO_CONFIG_H=$NXT_BUILD_DIR/nxt_auto_config.h
NXT_VERSION_H=$NXT_BUILD_DIR/nxt_version.h
NXT_MAKEFILE=$NXT_BUILD_DIR/Makefile

CC=${CC:-cc}

NXT_DAEMON=unitd
NXT_USER="nobody"
NXT_GROUP=

nxt_module=${1:-""}

case $nxt_module in
    ""|--*)
    ;;

    unit)
        shift
    ;;

    *)
        . auto/modules/conf
        exit 0
    ;;
esac


. ./version
. auto/os/test
. auto/options

test -d $NXT_BUILD_DIR || mkdir $NXT_BUILD_DIR

> $NXT_AUTOCONF_ERR
> $NXT_AUTO_CONFIG_H

. auto/cc/test


cat << END >> $NXT_AUTO_CONFIG_H

#define NXT_CONFIGURE_OPTIONS  "$NXT_CONFIGURE_OPTIONS"
#define NXT_SYSTEM_VERSION     "$NXT_SYSTEM $NXT_SYSTEM_VERSION $NXT_SYSTEM_PLATFORM"
#define NXT_COMPILER_VERSION   "$NXT_CC_VERSION"

#define NXT_PID                "$NXT_PID"
#define NXT_LOG                "$NXT_LOG"
#define NXT_MODULESDIR         "$NXT_MODULESDIR"
#define NXT_STATEDIR           "$NXT_STATEDIR"
#define NXT_TMPDIR             "$NXT_TMPDIR"

#define NXT_CONTROL_SOCK       "$NXT_CONTROL"

#define NXT_USER               "$NXT_USER"
#define NXT_GROUP              "$NXT_GROUP"

END


if [ $echo = echo ]; then
    # Build a portable "echo" program that supports only "-n" option.
    # This also tests C compiler ability to create executables.
    . auto/echo/build
fi


nxt_have=NXT_UNIX . auto/have

if [ $NXT_UNIX_DOMAIN = YES ]; then
    nxt_have=NXT_HAVE_UNIX_DOMAIN . auto/have
fi

NXT_LIBRT=

. auto/endian
. auto/types
. auto/clang
. auto/atomic
. auto/malloc
. auto/mmap
. auto/shmem
. auto/time
. auto/threads
. auto/events
. auto/sockets
. auto/sendfile
. auto/files
. auto/unix
. auto/os/conf
. auto/ssltls

if [ $NXT_REGEX = YES ]; then
    . auto/pcre
fi

. auto/cgroup
. auto/isolation
. auto/capability


case "$NXT_SYSTEM_PLATFORM" in
    i386 | amd64 | x86_64)
        nxt_have=NXT_HAVE_NONALIGNED . auto/have
    ;;
esac


if [ $NXT_DEBUG = YES ]; then
    nxt_debug=1
else
    nxt_debug=0
fi

cat << END >> $NXT_AUTO_CONFIG_H

#ifndef NXT_DEBUG
#define NXT_DEBUG  $nxt_debug
#endif

#define NXT_SHM_PREFIX  "$NXT_SHM_PREFIX"

END

. auto/test_build
. auto/sources
. auto/save

# LOOK

NXT_LIB_AUX_CFLAGS="$NXT_OPENSSL_CFLAGS $NXT_GNUTLS_CFLAGS \\
                    $NXT_CYASSL_CFLAGS $NXT_POLARSSL_CFLAGS \\
                    $NXT_PCRE_CFLAGS"

NXT_LIB_AUX_LIBS="$NXT_OPENSSL_LIBS $NXT_GNUTLS_LIBS \\
                    $NXT_CYASSL_LIBS $NXT_POLARSSL_LIBS \\
                    $NXT_PCRE_LIB"

if [ $NXT_NJS != NO ]; then
    . auto/njs
fi

. auto/make
. auto/summary