if test "x$enable_pdf" = "xyes"; then
AC_DEFINE([ENABLE_PDF], [1], [Enable pdf support.])
FRONTEND_LIBS="$FRONTEND_LIBS $POPPLER_LIBS"
SHELL_LIBS="$SHELL_LIBS $POPPLER_LIBS"
SHELL_CFLAGS="$SHELL_CFLAGS $POPPLER_CFLAGS"
if test "x$enable_pdf" = "xyes"; then
AC_DEFINE([ENABLE_PDF], [1], [Enable pdf support.])
FRONTEND_LIBS="$FRONTEND_LIBS $POPPLER_LIBS"
SHELL_LIBS="$SHELL_LIBS $POPPLER_LIBS"
SHELL_CFLAGS="$SHELL_CFLAGS $POPPLER_CFLAGS"