build: Split hardening/fPIE options out in Zcash-specific binaries

src/Makefile.am

@@ -287,6 +287,7 @@ if ENABLE_PROTON
 LIBBITCOIN_PROTON=libbitcoin_proton.a
 
 libbitcoin_proton_a_CPPFLAGS = $(BITCOIN_INCLUDES)
+libbitcoin_proton_a_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
 libbitcoin_proton_a_SOURCES = \
   amqp/amqpabstractnotifier.cpp \
   amqp/amqpnotificationinterface.cpp \

src/Makefile.gtest.include

@@ -45,7 +45,8 @@ zcash_gtest_SOURCES += \
 	wallet/gtest/test_wallet.cpp
 endif
 
-zcash_gtest_CPPFLAGS = -DMULTICORE -fopenmp -DBINARY_OUTPUT -DCURVE_ALT_BN128 -DSTATIC $(BITCOIN_INCLUDES)
+zcash_gtest_CPPFLAGS = $(AM_CPPFLAGS) -DMULTICORE -fopenmp -DBINARY_OUTPUT -DCURVE_ALT_BN128 -DSTATIC $(BITCOIN_INCLUDES)
+zcash_gtest_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
 
 zcash_gtest_LDADD = -lgtest -lgmock $(LIBBITCOIN_SERVER) $(LIBBITCOIN_CLI) $(LIBBITCOIN_COMMON) $(LIBBITCOIN_UTIL) $(LIBBITCOIN_CRYPTO) $(LIBUNIVALUE) $(LIBLEVELDB) $(LIBMEMENV) \
   $(BOOST_LIBS) $(BOOST_UNIT_TEST_FRAMEWORK_LIB) $(LIBSECP256K1)

src/Makefile.zcash.include

@@ -4,6 +4,8 @@ noinst_PROGRAMS += \
 
 # tool for generating our public parameters
 zcash_GenerateParams_SOURCES = zcash/GenerateParams.cpp
+zcash_GenerateParams_CPPFLAGS = $(AM_CPPFLAGS)
+zcash_GenerateParams_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
 zcash_GenerateParams_LDADD = \
   $(BOOST_LIBS) \
   $(LIBZCASH) \
@@ -14,7 +16,8 @@ zcash_GenerateParams_LDADD = \
 
 # tool for profiling the creation of joinsplits
 zcash_CreateJoinSplit_SOURCES = zcash/CreateJoinSplit.cpp
-zcash_CreateJoinSplit_CPPFLAGS = $(BITCOIN_INCLUDES)
+zcash_CreateJoinSplit_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
+zcash_CreateJoinSplit_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
 zcash_CreateJoinSplit_LDADD = \
   $(LIBBITCOIN_COMMON) \
   $(LIBZCASH) \