#!/bin/sh
#
#  configure.apxs --- build configuration script for creating mod_ftp
#  out of tree using the apxs utility and httpd build toolset
#
if test "$APXS" = ""; then
  APXS=`which apxs 2>/dev/null`
fi;

if test "$APXS" = ""; then
  echo $0 must be able to find apxs in your path,
  echo or the environment variable APXS must provide the full path of APXS,
  echo or you may specify it with:
  echo
  echo     APXS=/path/to/apxs $0
  echo 
  echo configuration failed
  exit 1
fi

echo Configuring mod_ftp for APXS in $APXS

# top_builddir and top_srcdir are a misnomers, because build/*.mk
# scripts expect them to be the parent of the build directory
# they fail to use the $installbuilddir path.
exp_installbuilddir=`$APXS -q exp_installbuilddir`
top_installbuilddir=`cd $exp_installbuilddir/..; pwd`
top_installbuilddir=`echo $exp_installbuilddir | sed -e "s#/[^/]*\\\$##;"`

builddir=`pwd`
srcdir=$builddir
ftp_builddir=$builddir
ftp_srcdir=$builddir

# prefix is the default @@ServerRoot@@, where libexecdir/sysconfdir may
# be relative (if it is not their prefix, the rel_ paths remain unchanged
rel_fix_prefix=`$APXS -q prefix`
rel_libexecdir=`$APXS -q exp_libexecdir | sed -e "s#^$rel_fix_prefix/##;"`
rel_sysconfdir=`$APXS -q exp_sysconfdir | sed -e "s#^$rel_fix_prefix/##;"`
rel_logfiledir=`$APXS -q exp_logfiledir | sed -e "s#^$rel_fix_prefix/##;"`
httpd_conffile=`$APXS -q exp_sysconfdir`/`$APXS -q progname`.conf

exp_ftpdocsdir=`$APXS -q exp_datadir`/ftpdocs
FTPPORT=21

if test -z "$AWK"; then
    AWK=`$APXS -q AWK`
fi

for i in Makefile build/Makefile modules/ftp/Makefile modules/ftp/modules.mk; do
    l_r=`echo $i|sed -e "s#/*[^/]*\\\$##;s#^\(..*\)\\\$#/\1#"`
    sed -e "s#^\(exp_installbuilddir\)=.*#\1=$exp_installbuilddir#;" \
        -e "s#^\(include\) \$(exp_installbuilddir)#\1 $exp_installbuilddir#;" \
        -e "s#^\(top_builddir\)=.*#\1=$top_installbuilddir#;" \
        -e "s#^\(top_srcdir\)=.*#\1=$top_installbuilddir#;" \
        -e "s#^\(ftp_srcdir\)=.*#\1=$srcdir#;" \
        -e "s#^\(ftp_builddir\)=.*#\1=$builddir#;" \
        -e "s#^\(srcdir\)=.*#\1=$srcdir$l_r#;" \
        -e "s#^\(builddir\)=.*#\1=$builddir$l_r#;" \
        -e "s#^\(rel_libexecdir\)=.*#\1=$rel_libexecdir#;" \
        -e "s#^\(rel_sysconfdir\)=.*#\1=$rel_sysconfdir#;" \
        -e "s#^\(rel_logfiledir\)=.*#\1=$rel_logfiledir#;" \
        -e "s#^\(httpd_conffile\)=.*#\1=$httpd_conffile#;" \
        -e "s#^\(exp_ftpdocsdir\)=.*#\1=$exp_ftpdocsdir#;" \
        -e "s#^\(FTPPORT\)=.*#\1=$FTPPORT#;" \
        -e "s#^\(awk\)=.*#\1=$AWK#;" \
        < $i.apxs > $i
done

touch .deps
touch build/.deps
touch modules/ftp/.deps

cd build
found_features=""
echo "Detecting features"
echo "Detecting features" > ../config.apxs.log

if make local-clean conftest_fchmod >>../config.apxs.log 2>&1; then
  found_features="$found_features \
    -e \"s/^#undef \(HAVE_FCHMOD\)[ \t]*/#define \1 1/;\""
fi

if make local-clean conftest_arpa_ftp_h >>../config.apxs.log 2>&1; then
  found_features="$found_features \
    -e \"s/^#undef \(HAVE_ARPA_FTP_H\)[ \t]*/#define \1 1/;\""
fi

if make local-clean conftest_netinet_ip_h >>../config.apxs.log 2>&1; then
  found_features="$found_features \
    -e \"s/^#undef \(HAVE_NETINET_IP_H\)[ \t]*/#define \1 1/;\""

  if make local-clean conftest_SOL_IP >>../config.apxs.log 2>&1; then
    found_features="$found_features \
      -e \"s/^#undef \(HAVE_SOL_IP\)[ \t]*/#define \1 1/;\""
  fi
fi

if make local-clean conftest_sys_stat_h >>../config.apxs.log 2>&1; then
  found_features="$found_features \
    -e \"s/^#undef \(HAVE_SYS_STAT_H\)[ \t]*/#define \1 1/;\""
fi

if make conftest_struct_msghdr_msg_control >>../config.apxs.log 2>&1; then
  found_features="$found_features \
    -e \"s/^#undef \(HAVE_STRUCT_MSGHDR_MSG_CONTROL\)[ \t]*/#define \1 1/;\""
fi

if make conftest_struct_msghdr_msg_accrights >>../config.apxs.log 2>&1; then
  found_features="$found_features \
    -e \"s/^#undef \(HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS\)[ \t]*/#define \1 1/;\""
fi

make local-distclean >>../config.apxs.log 2>&1
cd ..

if test "x$found_features" = "x"; then
  cp modules/ftp/ftp_config.h.in modules/ftp/ftp_config.h
else
  eval sed "$found_features" < modules/ftp/ftp_config.h.in \
                           > modules/ftp/ftp_config.h
fi

echo ""
echo "Finished, run 'make' to compile mod_ftp"
echo ""
echo "Run 'make FTPPORT=8021 install' to install mod_ftp"
echo "(The default FTPPORT is $FTPPORT if not specified)"
echo ""
echo "The manual pages ftp/index.html and mod/mod_ftp.html"
echo "will be installed to help get you started."
echo
echo "The conf/extra/ftpd.conf will be installed as an example"
echo "for you to work from.  In your configuration file,"
echo "  `$APXS -q exp_sysconfdir`/`$APXS -q progname`.conf"
echo "uncomment the line '#Include conf/extra/ftpd.conf'"
echo "to activate this example mod_ftp configuration."