--- a/src/src.pro.orig 2018-12-13 09:54:51.989453243 +0100
+++ b/src/src.pro 2018-12-13 09:56:15.428141228 +0100
@@ -367,6 +367,54 @@
SOURCES += FileIO/SrmDevice.cpp
}
+
+###==================
+### OPTIONAL => QXT
+###==================
+
+!isEmpty(QXT_INSTALL) {
+
+ # we will work out the rest if you tell use where it is installed
+ isEmpty(QXT_INCLUDE) { QXT_INCLUDE = $${QXT_INSTALL}/include }
+ isEmpty(QXT_LIBS) { QXT_LIBS = -L$${QXT_INSTALL}/lib -lQxtCore-qt5 }
+
+ DEFINES += GC_HAVE_QXT
+ INCLUDEPATH += $${QXT_INCLUDE}
+ LIBS += $${QXT_LIBS}
+}
+
+
+###==================
+### OPTIONAL => LMFIT
+###====================
+
+!isEmpty(LMFIT_INSTALL) {
+
+ # we will work out the rest if you tell us where it is installed
+ isEmpty(LMFIT_INCLUDE) { LMFIT_INCLUDE = $${LMFIT_INSTALL}/include }
+ isEmpty(LMFIT_LIBS) { LMFIT_LIBS = -L$${LMFIT_INSTALL}/$$LIB_SUFFIX -llmfit }
+
+ INCLUDEPATH += $${LMFIT_INCLUDE}
+ LIBS += $${LMFIT_LIBS}
+ DEFINES += GC_HAVE_LMFIT
+}
+
+
+###==================
+### OPTIONAL => LEVMAR
+###====================
+
+!isEmpty(LEVMAR_INSTALL) {
+
+ # we will work out the rest if you tell us where it is installed
+ isEmpty(LEVMAR_INCLUDE) { LEVMAR_INCLUDE = $${LEVMAR_INSTALL}/include }
+ isEmpty(LEVMAR_LIBS) { LEVMAR_LIBS = -L$${LEVMAR_INSTALL}/$$LIB_SUFFIX -llevmar }
+
+ INCLUDEPATH += $${LEVMAR_INCLUDE}
+ LIBS += $${LEVMAR_LIBS}
+ DEFINES += GC_HAVE_LEVMAR
+}
+
###=====================================
### OPTIONAL => GOOGLE KML IMPORT EXPORT