Unbreak build on gcc 10 (wit -fno-common)

opensc-0.20.0-no-common.patch

@@ -0,0 +1,27 @@
+diff --git a/src/tests/p11test/p11test.c b/src/tests/p11test/p11test.c
+index feecf6fb..a16282cb 100644
+--- a/src/tests/p11test/p11test.c
++++ b/src/tests/p11test/p11test.c
+@@ -34,6 +34,9 @@
+ 
+ #define DEFAULT_P11LIB	"../../pkcs11/.libs/opensc-pkcs11.so"
+ 
++/* Global variable keeping information about token we are using */
++token_info_t token;
++
+ void display_usage() {
+ 	fprintf(stdout,
+ 		" Usage:\n"
+diff --git a/src/tests/p11test/p11test_common.h b/src/tests/p11test/p11test_common.h
+index 2f3b238d..9eb5cede 100644
+--- a/src/tests/p11test/p11test_common.h
++++ b/src/tests/p11test/p11test_common.h
+@@ -84,7 +84,7 @@ typedef struct {
+ 	size_t  num_keygen_mechs;
+ } token_info_t;
+ 
+-token_info_t token;
++extern token_info_t token;
+ 
+ #endif /* P11TEST_COMMON_H */
+ 

opensc.spec

@@ -14,6 +14,7 @@ Source1:        opensc.module
 # https://github.com/OpenSC/OpenSC/blob/master/tests/common.sh
 Source2:        common.sh
 Patch1:         opensc-0.19.0-pinpad.patch
+Patch2:         opensc-0.20.0-no-common.patch
 
 BuildRequires:  pcsc-lite-devel
 BuildRequires:  readline-devel
@@ -48,6 +49,7 @@ every software/card that does so, too.
 %prep
 %setup -q
 %patch1 -p1 -b .pinpad
+%patch2 -p1 -b .no-common
 
 cp %{SOURCE2} tests/
 # The test-pkcs11-tool-allowed-mechanisms already works in Fedora