3 files changed, 24 insertions, 9 deletions

diff --git a/utils/nwztools/upgtools/Makefile b/utils/nwztools/upgtools/Makefile
index fcfc889ae6..046eb1a1a9 100644
--- a/utils/nwztools/upgtools/Makefile
+++ b/utils/nwztools/upgtools/Makefile
@@ -3,9 +3,23 @@ CC=gcc
 CXX=g++
 LD=g++
 PROFILE=
-CFLAGS=-g $(PROFILE) -std=c99 -Wall $(DEFINES) `pkg-config --cflags libcrypto++`
-CXXFLAGS=-g $(PROFILE) -Wall $(DEFINES) `pkg-config --cflags libcrypto++`
-LDFLAGS=$(PROFILE) `pkg-config --libs libcrypto++` -lpthread
+PKGCONFIG := $(CROSS)pkg-config
+
+# Distros could use different names for the crypto library. We try a list
+# of candidate names, only one of them should be the valid one.
+LIBCRYPTO_NAMES = libcryptopp libcrypto++ cryptopp crypto++
+
+$(foreach l,$(LIBCRYPTO_NAMES),\
+        $(eval LDOPTS += $(shell $(PKGCONFIG) --silence-errors --libs $(l))))
+$(foreach l,$(LIBCRYPTO_NAMES),\
+        $(eval CFLAGS += $(shell $(PKGCONFIG) --silence-errors --cflags $(l))))
+$(foreach l,$(LIBCRYPTO_NAMES),\
+        $(eval CXXFLAGS += $(shell $(PKGCONFIG) --silence-errors --cflags $(l))))
+
+CXXFLAGS=-g $(PROFILE) -Wall $(DEFINES)
+CFLAGS=-g $(PROFILE) -Wall -std=c99 $(DEFINES)
+LDFLAGS=$(PROFILE) $(LDOPTS) -lpthread
+
 BINS=upgtool
 
 all: $(BINS)
diff --git a/utils/nwztools/upgtools/md5.cpp b/utils/nwztools/upgtools/md5.cpp
index 3b0c2358e4..3d453da409 100644
--- a/utils/nwztools/upgtools/md5.cpp
+++ b/utils/nwztools/upgtools/md5.cpp
@@ -21,11 +21,12 @@
 #include "md5.h"
 /* MD5 is considered insecure by crypto++ */
 #define CRYPTOPP_ENABLE_NAMESPACE_WEAK  1
-#include <crypto++/md5.h>
+#include <cryptopp/cryptlib.h>
+#include <cryptopp/md5.h>
 
 using namespace CryptoPP::Weak;
 
 void MD5_CalculateDigest(void *digest, const void *input, size_t length)
 {
-    MD5().CalculateDigest((byte *)digest, (const byte *)input, length);
+    MD5().CalculateDigest((CryptoPP::byte *)digest, (const CryptoPP::byte *)input, length);
 }
diff --git a/utils/nwztools/upgtools/mg.cpp b/utils/nwztools/upgtools/mg.cpp
index 79039702db..66566770f9 100644
--- a/utils/nwztools/upgtools/mg.cpp
+++ b/utils/nwztools/upgtools/mg.cpp
@@ -19,10 +19,10 @@
  *
  ****************************************************************************/
 #include "mg.h"
-#include <crypto++/cryptlib.h>
-#include <crypto++/modes.h>
-#include <crypto++/des.h>
-#include <crypto++/aes.h>
+#include <cryptopp/cryptlib.h>
+#include <cryptopp/modes.h>
+#include <cryptopp/des.h>
+#include <cryptopp/aes.h>
 #include <stdio.h>
 
 using namespace CryptoPP;