Index: cryptopp-CRYPTOPP_8_2_0/GNUmakefile
===================================================================
--- cryptopp-CRYPTOPP_8_2_0.orig/GNUmakefile	2019-07-20 10:55:12.852313936 +0200
+++ cryptopp-CRYPTOPP_8_2_0/GNUmakefile	2019-07-20 11:15:12.773950685 +0200
@@ -174,7 +174,7 @@ ifeq ($(DATADIR),)
 DATADIR := $(PREFIX)/share
 endif
 ifeq ($(LIBDIR),)
-LIBDIR := $(PREFIX)/lib
+LIBDIR := $(PREFIX)/$(LIB)
 endif
 ifeq ($(BINDIR),)
 BINDIR := $(PREFIX)/bin
@@ -1009,7 +1009,7 @@ SOLIB_COMPAT_SUFFIX=.$(LIB_MAJOR)
 ifneq ($(IS_LINUX)$(IS_HURD),00)
 # Linux uses full version suffix for shared library
 SOLIB_VERSION_SUFFIX=.$(LIB_MAJOR).$(LIB_MINOR).$(LIB_PATCH)
-SOLIB_FLAGS=-Wl,-soname,libcryptopp.so$(SOLIB_COMPAT_SUFFIX)
+SOLIB_FLAGS=-Wl,-soname,libcryptopp.so$(SOLIB_VERSION_SUFFIX)
 endif
 # Solaris uses -Wl,-h
 ifeq ($(IS_SUN),1)
@@ -1302,8 +1302,8 @@ endif
 libcryptopp.dylib: $(LIBOBJS)
 	$(CXX) -dynamiclib -o $@ $(strip $(CXXFLAGS)) -install_name "$@" -current_version "$(LIB_MAJOR).$(LIB_MINOR).$(LIB_PATCH)" -compatibility_version "$(LIB_MAJOR).$(LIB_MINOR)" -headerpad_max_install_names $(LDFLAGS) $(LIBOBJS)
 
-cryptest.exe:libcryptopp.a $(TESTOBJS)
-	$(CXX) -o $@ $(strip $(CXXFLAGS)) $(TESTOBJS) ./libcryptopp.a $(LDFLAGS) $(LDLIBS)
+cryptest.exe: libcryptopp.so$(SOLIB_VERSION_SUFFIX) $(TESTOBJS)
+	$(CXX) -o $@ $(strip $(CXXFLAGS)) $(TESTOBJS) -L. -lcryptopp $(LDFLAGS) $(LDLIBS)
 
 # Makes it faster to test changes
 nolib: $(OBJS)