diff --git a/meta-security/meta-tpm/recipes-tpm2/ibmswtpm2/files/fix-wrong-cast.patch b/meta-security/meta-tpm/recipes-tpm2/ibmswtpm2/files/fix-wrong-cast.patch
new file mode 100644
index 0000000..f2938e0
--- /dev/null
+++ b/meta-security/meta-tpm/recipes-tpm2/ibmswtpm2/files/fix-wrong-cast.patch
@@ -0,0 +1,27 @@
+Fix strict aliasing issue of gcc10
+
+fixes:
+
+TpmFail.c: In function 'TpmLogFailure':
+TpmFail.c:217:23: error: dereferencing type-punned pointer will break strict-aliasing rules [-Werror=strict-aliasing]
+  217 |     s_failFunction = *(UINT32 *)&function; /* kgold */
+      |                       ^~~~~~~~~~~~~~~~~~~
+cc1: all warnings being treated as errors
+
+Upstream-Status: Submitted
+
+Signed-off-by: Jens Rehsack <sno@NetBSD.org>
+
+Index: src/TpmFail.c
+===================================================================
+--- src.orig/TpmFail.c	2020-09-10 15:43:57.085063875 +0200
++++ src/TpmFail.c	2020-09-10 15:48:35.563302634 +0200
+@@ -214,7 +214,7 @@
+     // On a 64-bit machine, this may truncate the address of the string
+     // of the function name where the error occurred.
+ #if FAIL_TRACE
+-    s_failFunction = *(UINT32 *)&function;	/* kgold */
++    memcpy(&s_failFunction, function, sizeof(uint32_t));	/* kgold */
+     s_failLine = line;
+ #else
+     s_failFunction = 0;
diff --git a/meta-security/meta-tpm/recipes-tpm2/ibmswtpm2/files/remove_optimization.patch b/meta-security/meta-tpm/recipes-tpm2/ibmswtpm2/files/remove_optimization.patch
deleted file mode 100644
index 2919e2e..0000000
--- a/meta-security/meta-tpm/recipes-tpm2/ibmswtpm2/files/remove_optimization.patch
+++ /dev/null
@@ -1,26 +0,0 @@
-Allow recipe to overide optimization.
-
-fixes:
-
-397 | #  warning _FORTIFY_SOURCE requires compiling with optimization (-O)
-|       |    ^~~~~~~
-| cc1: all warnings being treated as errors
-
-
-Upstream-Status: OE specific
-
-Signed-off-by: Armin Kuster <akuster808@gmail.com>
-
-Index: src/makefile
-===================================================================
---- src.orig/makefile
-+++ src/makefile
-@@ -43,7 +43,7 @@ CC = /usr/bin/gcc
- CCFLAGS = -Wall  			\
- 	-Wmissing-declarations -Wmissing-prototypes -Wnested-externs \
- 	-Werror -Wsign-compare \
--	 -c -ggdb -O0 			\
-+	 -c -ggdb -O 			\
- 	-DTPM_POSIX			\
- 	-D_POSIX_			\
- 	-DTPM_NUVOTON
diff --git a/meta-security/meta-tpm/recipes-tpm2/ibmswtpm2/files/tune-makefile.patch b/meta-security/meta-tpm/recipes-tpm2/ibmswtpm2/files/tune-makefile.patch
new file mode 100644
index 0000000..eebddb9
--- /dev/null
+++ b/meta-security/meta-tpm/recipes-tpm2/ibmswtpm2/files/tune-makefile.patch
@@ -0,0 +1,50 @@
+1) Allow recipe to overide optimization.
+
+fixes:
+
+397 | #  warning _FORTIFY_SOURCE requires compiling with optimization (-O)
+|       |    ^~~~~~~
+| cc1: all warnings being treated as errors
+
+2) Allow recipe to override OE related compile-/link-flags
+
+fixes:
+
+ERROR: QA Issue: File /usr/bin/tpm_server in package ibmswtpm2 doesn't have GNU_HASH (didn't pass LDFLAGS?) [ldflags]
+
+Upstream-Status: OE specific
+
+Signed-off-by: Jens Rehsack <sno@NetBSD.org>
+
+Index: src/makefile
+===================================================================
+--- src.orig/makefile
++++ src/makefile
+@@ -38,12 +38,10 @@
+ #################################################################################
+ 
+ 
+-CC = /usr/bin/gcc
+-
+ CCFLAGS = -Wall  			\
+ 	-Wmissing-declarations -Wmissing-prototypes -Wnested-externs \
+ 	-Werror -Wsign-compare \
+-	 -c -ggdb -O0 			\
++	 -c -ggdb -O 			\
+ 	-DTPM_POSIX			\
+ 	-D_POSIX_			\
+ 	-DTPM_NUVOTON
+@@ -79,11 +77,11 @@
+ .PRECIOUS:	%.o
+ 
+ tpm_server:	$(OBJFILES)
+-		$(CC) $(OBJFILES) $(LNFLAGS) -o tpm_server
++		$(CCLD) $(OBJFILES) $(LDFLAGS) $(LNFLAGS) -o tpm_server
+ 
+ clean:		
+ 		rm -f *.o tpm_server *~
+ 
+ %.o:		%.c
+-		$(CC) $(CCFLAGS) $< -o $@
++		$(CC) $(CCFLAGS) $(CFLAGS) $< -o $@
+