# dovecot.m4 - Check presence of dovecot -*-Autoconf-*-
#
#   Copyright (C) 2010 Dennis Schridde
#
# This file is free software; the authors give
# unlimited permission to copy and/or distribute it, with or without
# modifications, as long as this notice is preserved.

# serial 25

AC_DEFUN([DC_DOVECOT_MODULEDIR],[
	AC_ARG_WITH(moduledir,
	[  --with-moduledir=DIR    Base directory for dynamically loadable modules],
		moduledir="$withval",
		moduledir=$libdir/dovecot
	)
	AC_SUBST(moduledir)
])

AC_DEFUN([DC_PLUGIN_DEPS],[
	_plugin_deps=yes
	AC_MSG_CHECKING([whether OS supports plugin dependencies])
	case "$host_os" in
	  darwin*)
	    # OSX loads the plugins twice, which breaks stuff
	    _plugin_deps=no
	    ;;
	esac
	AC_MSG_RESULT([$_plugin_deps])
	AM_CONDITIONAL([DOVECOT_PLUGIN_DEPS], [test "x$_plugin_deps" = "xyes"])
	unset _plugin_deps
])

AC_DEFUN([DC_DOVECOT_TEST_WRAPPER],[
  AC_CHECK_PROG(VALGRIND, valgrind, yes, no)
  if test $VALGRIND = yes; then
    cat > run-test.sh <<EOF
#!/bin/sh
top_srcdir=\$[1]
shift

if test "\$NOUNDEF" != ""; then
  noundef="--undef-value-errors=no"
else
  noundef=""
fi

if test "\$NOVALGRIND" != ""; then
  \$[*]
  ret=\$?
else
  trap "rm -f test.out.\$\$" 0 1 2 3 15
  supp_path="\$top_srcdir/run-test-valgrind.supp"
  if test -r "\$supp_path"; then
    valgrind -q --trace-children=yes --leak-check=full --suppressions="\$supp_path" --log-file=test.out.\$\$ \$noundef \$[*]
  else
    valgrind -q --trace-children=yes --leak-check=full --log-file=test.out.\$\$ \$noundef \$[*]
  fi
  ret=\$?
  if test -s test.out.\$\$; then
    cat test.out.\$\$
    ret=1
  fi
fi
if test \$ret != 0; then
  echo "Failed to run: \$[*]" >&2
fi
exit \$ret
EOF
    RUN_TEST='$(SHELL) $(top_builddir)/run-test.sh $(top_srcdir)'
  else
    RUN_TEST=''
  fi
  AC_SUBST(RUN_TEST)
])

# Substitute every var in the given comma seperated list
AC_DEFUN([AX_SUBST_L],[
	m4_foreach([__var__], [$@], [AC_SUBST(__var__)])
])

AC_DEFUN([DC_DOVECOT],[
	AC_ARG_WITH(dovecot,
	  [  --with-dovecot=DIR      Dovecot base directory],
			[ dovecotdir="$withval" ], [
			  dc_prefix=$prefix
			  test "x$dc_prefix" = xNONE && dc_prefix=$ac_default_prefix
			  dovecotdir="$dc_prefix/lib/dovecot"
			]
	)

	AC_ARG_WITH(dovecot-install-dirs,
		[AC_HELP_STRING([--with-dovecot-install-dirs],
		[Use install directories configured for Dovecot (default)])],
	if test x$withval = xno; then
		use_install_dirs=no
	else
		use_install_dirs=yes
	fi,
	use_install_dirs=yes)

	AC_MSG_CHECKING([for "$dovecotdir/dovecot-config"])
	if test -f "$dovecotdir/dovecot-config"; then
		AC_MSG_RESULT([$dovecotdir/dovecot-config])
	else
		AC_MSG_RESULT([not found])
		AC_MSG_NOTICE([])
		AC_MSG_NOTICE([Use --with-dovecot=DIR to provide the path to the dovecot-config file.])
		AC_MSG_ERROR([dovecot-config not found])
	fi

	old=`pwd`
	cd $dovecotdir
	abs_dovecotdir=`pwd`
	cd $old
	DISTCHECK_CONFIGURE_FLAGS="--with-dovecot=$abs_dovecotdir --without-dovecot-install-dirs"

	eval `grep -i '^dovecot_[[a-z_]]*=' "$dovecotdir"/dovecot-config`
	eval `grep '^LIBDOVECOT[[A-Z0-9_]]*=' "$dovecotdir"/dovecot-config`

	dovecot_installed_moduledir="$dovecot_moduledir"

	if test "$use_install_dirs" = "no"; then
		# the main purpose of these is to fix make distcheck for plugins
		# other than that, they don't really make much sense
		dovecot_pkgincludedir='$(pkgincludedir)'
		dovecot_pkglibdir='$(pkglibdir)'
		dovecot_pkglibexecdir='$(libexecdir)/dovecot'
		dovecot_docdir='$(docdir)'
		dovecot_moduledir='$(moduledir)'
		dovecot_statedir='$(statedir)'
	fi

	AX_SUBST_L([DISTCHECK_CONFIGURE_FLAGS], [dovecotdir], [dovecot_moduledir], [dovecot_installed_moduledir], [dovecot_pkgincludedir], [dovecot_pkglibexecdir], [dovecot_pkglibdir], [dovecot_docdir], [dovecot_statedir])
	AX_SUBST_L([DOVECOT_INSTALLED], [DOVECOT_CFLAGS], [DOVECOT_LIBS], [DOVECOT_SSL_LIBS], [DOVECOT_SQL_LIBS], [DOVECOT_COMPRESS_LIBS], [DOVECOT_BINARY_CFLAGS], [DOVECOT_BINARY_LDFLAGS])
	AX_SUBST_L([LIBDOVECOT], [LIBDOVECOT_LOGIN], [LIBDOVECOT_SQL], [LIBDOVECOT_SSL], [LIBDOVECOT_COMPRESS], [LIBDOVECOT_LDA], [LIBDOVECOT_STORAGE], [LIBDOVECOT_DSYNC], [LIBDOVECOT_LIBFTS])
	AX_SUBST_L([LIBDOVECOT_DEPS], [LIBDOVECOT_LOGIN_DEPS], [LIBDOVECOT_SQL_DEPS], [LIBDOVECOT_SSL_DEPS], [LIBDOVECOT_COMPRESS_DEPS], [LIBDOVECOT_LDA_DEPS], [LIBDOVECOT_STORAGE_DEPS], [LIBDOVECOT_DSYNC_DEPS], [LIBDOVECOT_LIBFTS_DEPS])
	AX_SUBST_L([LIBDOVECOT_INCLUDE], [LIBDOVECOT_LDA_INCLUDE], [LIBDOVECOT_AUTH_INCLUDE], [LIBDOVECOT_DOVEADM_INCLUDE], [LIBDOVECOT_SERVICE_INCLUDE], [LIBDOVECOT_STORAGE_INCLUDE], [LIBDOVECOT_LOGIN_INCLUDE], [LIBDOVECOT_SQL_INCLUDE])
	AX_SUBST_L([LIBDOVECOT_IMAP_LOGIN_INCLUDE], [LIBDOVECOT_CONFIG_INCLUDE], [LIBDOVECOT_IMAP_INCLUDE], [LIBDOVECOT_POP3_INCLUDE], [LIBDOVECOT_DSYNC_INCLUDE], [LIBDOVECOT_IMAPC_INCLUDE], [LIBDOVECOT_FTS_INCLUDE])
	AX_SUBST_L([LIBDOVECOT_NOTIFY_INCLUDE], [LIBDOVECOT_PUSH_NOTIFICATION_INCLUDE], [LIBDOVECOT_ACL_INCLUDE], [LIBDOVECOT_LIBFTS_INCLUDE])

	AM_CONDITIONAL(DOVECOT_INSTALLED, test "$DOVECOT_INSTALLED" = "yes")

	DC_PLUGIN_DEPS
	DC_DOVECOT_TEST_WRAPPER
])

AC_DEFUN([DC_CC_WRAPPER],[
  if test "$want_shared_libs" != "yes"; then
    # want_shared_libs=no is for internal use. the liblib.la check is for plugins
    if test "$want_shared_libs" = "no" || echo "$LIBDOVECOT" | grep "/liblib.la" > /dev/null; then
      if test "$with_gnu_ld" = yes; then
	# libtool can't handle using whole-archive flags, so we need to do this
	# with a CC wrapper.. shouldn't be much of a problem, since most people
	# are building with shared libs.
	cat > cc-wrapper.sh <<EOF
#!/bin/sh

if echo "\$[*]" | grep -- -ldl > /dev/null; then
  # the binary uses plugins. make sure we include everything from .a libs
  exec $CC -Wl,--whole-archive \$[*] -Wl,--no-whole-archive
else
  exec $CC \$[*]
fi
EOF
	chmod +x cc-wrapper.sh
	CC=`pwd`/cc-wrapper.sh
      fi
    fi
  fi
])