$NetBSD: patch-test_cpp_Makefile,v 1.1 2021/11/19 22:13:32 sjmulder Exp $

- Respect LDFLAGS in C++ tests
- Link libraries required by libxlsxwriter.a with USE_SYSTEM_MINIZIP
  or USE_OPENSSL_MD5 set.

--- test/cpp/Makefile.orig	2021-10-09 13:44:36.000000000 +0000
+++ test/cpp/Makefile
@@ -24,6 +24,14 @@ EXES = $(patsubst %.cpp,%,$(SRCS))
 LIBXLSXWRITER = ../../src/libxlsxwriter.a
 LIBS = $(LIBXLSXWRITER) -lz
 
+ifdef USE_SYSTEM_MINIZIP
+LIBS += -lminizip
+endif
+
+ifdef USE_OPENSSL_MD5
+LIBS += -lcrypto
+endif
+
 all : $(LIBXLSXWRITER) $(EXES)
 
 $(LIBXLSXWRITER):
@@ -34,4 +42,4 @@ clean :
 
 # Executable targets.
 %: %.cpp $(LIBXLSXWRITER)
-	$(Q)$(CXX) -I$(INC_DIR) $(CXXFLAGS) $< -o $@ $(LIBS)
+	$(Q)$(CXX) -I$(INC_DIR) $(CXXFLAGS) $(LDFLAGS) $< -o $@ $(LIBS)