| AC_DEFUN([AC_AVAHI_QT_ADD_PIC_IF_NEEDED], |
| [ |
| AC_LANG_PUSH([C++]) |
| save_CPPFLAGS="$CPPFLAGS" |
| CPPFLAGS="$CPPFLAGS $QT5_CFLAGS" |
| AC_MSG_CHECKING([whether Qt works without -fPIC]) |
| AC_PREPROC_IFELSE( |
| [AC_LANG_SOURCE([[#include <QtCore>]])], |
| [AC_MSG_RESULT(yes)], |
| [ |
| AC_MSG_RESULT(no) |
| AC_MSG_CHECKING([whether Qt works with -fPIC]) |
| CPPFLAGS="$CPPFLAGS -fPIC" |
| AC_PREPROC_IFELSE( |
| [AC_LANG_SOURCE([[#include <QtCore>]])], |
| [ |
| AC_MSG_RESULT(yes) |
| QT5_CFLAGS="$QT5_CFLAGS -fPIC" |
| ], |
| [ |
| AC_MSG_RESULT(no) |
| AC_MSG_ERROR(Couldn't compile Qt without -fPIC nor with -fPIC) |
| ]) |
| ]) |
| CPPFLAGS="$save_CPPFLAGS" |
| AC_LANG_POP([C++]) |
| ]) |
