#!/bin/sh

dependencies='apr-1 apr-util-1 libxml-2.0'

if [ ! -e "$ngx_addon_dir/../../standalone/.libs/standalone.a" ]
then
  echo "Aborting. ModSecurity must be compiled with \
--enable-standalone-module option prior to the Nginx compilation."
  exit 1
fi

echo -n "Checking for Apache headers using apx2... "
apache_include_dir=`apxs2 -q INCLUDEDIR 2> /dev/null`
RETVAL=$?
if [ $RETVAL -eq 0 ]
then
  CORE_INCS="$CORE_INCS $apache_include_dir"
  echo "Ok"
else
  echo "FAIL"
  echo "Aborting. Apache apx2 is not installed or fails to point\
Apache headers."
  exit 1;
fi

missing=""
for element in $dependencies;
do
  echo -n "Checking for $element... ";

  cflags=`pkg-config --cflags-only-I $element 2> /dev/null | sed -s 's/-I//'`
  libs=`pkg-config --libs $element 2> /dev/null`
  RETVAL=$?

  if [ $RETVAL -eq 0 ]
  then
    CORE_INCS="$CORE_INCS $cflags"
    CORE_LIBS="$CORE_LIBS $libs"
    echo "Ok"
  else
    echo "FAIL"
    missing="$missing $element"
  fi
done

if [ ! -z $missing ]
then
  echo "Aborting. Following dependencies are missing: $missing"
  exit 1
fi

if [ $USE_PCRE = DISABLED ]
then
  echo "Aborting. PCRE support must be enabled on Nginx compilation"
  exit 1
fi

ngx_addon_name=ngx_http_modsecurity

CORE_MODULES="$CORE_MODULES ngx_pool_context_module"

HTTP_AUX_FILTER_MODULES="ngx_http_modsecurity $HTTP_AUX_FILTER_MODULES"

NGX_ADDON_SRCS="$NGX_ADDON_SRCS \
		$ngx_addon_dir/ngx_http_modsecurity.c \
		$ngx_addon_dir/apr_bucket_nginx.c \
		$ngx_addon_dir/ngx_pool_context.c"

NGX_ADDON_DEPS="$NGX_ADDON_DEPS \
		$ngx_addon_dir/apr_bucket_nginx.h \
		$ngx_addon_dir/ngx_pool_context.h"

CORE_LIBS="$ngx_addon_dir/../../standalone/.libs/standalone.a $CORE_LIBS"

CORE_INCS="$CORE_INCS \
	$ngx_addon_dir \
	$ngx_addon_dir/../../standalone \
	$ngx_addon_dir/../../apache2"