dnl file : m4/libqt.m4 dnl copyright : Copyright (c) 2009-2012 Code Synthesis Tools CC dnl license : GNU GPL v2; see accompanying LICENSE file dnl dnl LIBQTCORE([ACTION-IF-FOUND[,ACTION-IF-NOT-FOUND]]) dnl dnl AC_DEFUN([LIBQTCORE], [ libqt_found=no AC_PATH_PROG([pkg_config],[pkg-config]) AC_MSG_CHECKING([for QtCore]) # First check for QtCore using default CPPFLAGS/LDFLAGS/LIBS. This # test allows the user to override the QtCore library name (e.g., # QtCored4) via the LIBS variable. # CXX_LIBTOOL_LINK_IFELSE([ AC_LANG_SOURCE([ #include <string> #include <QtCore/QString> int main () { QString qs ("test"); std::string ss (qs.toStdString ()); return ss.size () != 0; } ])], [ libqt_found=yes ]) # Then check for QtCore using default CPPFLAGS/LDFLAGS. # if test x"$libqt_found" = xno; then save_LIBS="$LIBS" LIBS="-lQtCore $LIBS" CXX_LIBTOOL_LINK_IFELSE([ AC_LANG_SOURCE([ #include <string> #include <QtCore/QString> int main () { QString qs ("test"); std::string ss (qs.toStdString ()); return ss.size () != 0; } ])], [ libqt_found=yes ]) if test x"$libqt_found" = xno; then LIBS="$save_LIBS" fi fi # Try framework in case we are on Mac OS X. # if test x"$libqt_found" = xno; then save_LIBS="$LIBS" LIBS="-framework QtCore $LIBS" CXX_LIBTOOL_LINK_IFELSE([ AC_LANG_SOURCE([ #include <string> #include <QtCore/QString> int main () { QString qs ("test"); std::string ss (qs.toStdString ()); return ss.size () != 0; } ])], [ libqt_found=yes ]) if test x"$libqt_found" = xno; then LIBS="$save_LIBS" fi fi # If QtCore is not found, try its versioned variant, QtCore4. # if test x"$libqt_found" = xno; then save_LIBS="$LIBS" LIBS="-lQtCore4 $LIBS" CXX_LIBTOOL_LINK_IFELSE([ AC_LANG_SOURCE([ #include <string> #include <QtCore/QString> int main () { QString qs ("test"); std::string ss (qs.toStdString ()); return ss.size () != 0; } ])], [ libqt_found=yes ]) if test x"$libqt_found" = xno; then LIBS="$save_LIBS" fi fi # If default CPPFLAGS/LDFLAGS didn't work, try to discover # them using pkg-config. # if test x"$libqt_found" = xno; then if test x"$pkg_config" != x; then if $pkg_config --exists QtCore; then save_CPPFLAGS="$CPPFLAGS" save_LIBS="$LIBS" CPPFLAGS=`$pkg_config --cflags QtCore` LIBS=`$pkg_config --libs QtCore` CPPFLAGS="$CPPFLAGS $save_CPPFLAGS" LIBS="$LIBS $save_LIBS" CXX_LIBTOOL_LINK_IFELSE([ AC_LANG_SOURCE([ #include <string> #include <QtCore/QString> int main () { QString qs ("test"); std::string ss (qs.toStdString ()); return ss.size () != 0; } ])], [ libqt_found=yes ]) if test x"$libqt_found" = xno; then CPPFLAGS="$save_CPPFLAGS" LIBS="$save_LIBS" fi fi fi fi if test x"$libqt_found" = xyes; then AC_MSG_RESULT([yes]) $1 else AC_MSG_RESULT([no]) $2 fi ])dnl