make LDFLAGS=... discarded internal LDFLAGS see
https://github.com/pwsafe/pwsafe/issues/42

diff -ru pwsafe-0.97BETA/src/ui/wxWidgets/Makefile pwsafe-n/src/ui/wxWidgets/Makefile
--- src/ui/wxWidgets/Makefile	2015-10-09 09:35:00.000000000 +0100
+++ src/ui/wxWidgets/Makefile	2015-11-23 11:10:08.509509481 +0000
@@ -139,7 +139,7 @@
 XERCESCPPFLAGS=-DUSE_XML_LIBRARY=XERCES -DWCHAR_INCOMPATIBLE_XMLCH
 XERCESLIBFLAGS=-lxerces-c
 GCCFLAGS=-fPIC
-LDFLAGS:=$(LIBS) -L$(LIBPATH) $(LINKERFLAGS) $(LDFLAGS)
+override LDFLAGS:=$(LIBS) -L$(LIBPATH) $(LINKERFLAGS) $(LDFLAGS)
 RESPATH=--include-dir "$(WXWIN)/include" --include-dir "$(WXWIN)/contrib/include" --include-dir "$(WXWIN)/GCCBuildReleaseGTK2Unicode/lib/wx/include/gtk2-unicode-release-static-2.6"
 MACPACKAGEINFO=
 endif
@@ -155,7 +155,7 @@
 YBPERS_LIBPATH_FLAGS=-L$(YBPERS_LIBPATH)
 endif
 
-LDFLAGS:=$(LIBS) -L$(LIBPATH) $(LINKERFLAGS) $(XERCESLIBFLAGS) $(YBPERS_LIBPATH_FLAGS) $(LDFLAGS)
+override LDFLAGS:=$(LIBS) -L$(LIBPATH) $(LINKERFLAGS) $(XERCESLIBFLAGS) $(YBPERS_LIBPATH_FLAGS) $(LDFLAGS)
 CPPFLAGS:=$(CXXFLAGS) $(CPPINC) $(GCCFLAGS) $(DEBUGFLAGS) $(OPTFLAGS) $(WARNINGFLAGS) $(XERCESCPPFLAGS) $(YUBIFLAGS) $(CPPFLAGS)
 
 SOURCES= passwordsafeframe.cpp \
