[Buildroot] [PATCH 1/2] package/libtpms: fix build with host gcc >= 15.x

* [Buildroot] [PATCH 1/2] package/libtpms: fix build with host gcc >= 15.x
@ 2026-03-06  7:41 Bernd Kuhls
  2026-03-06  7:41 ` [Buildroot] [PATCH 2/2] package/libtpms: security bump version to 0.10.2 Bernd Kuhls
                   ` (2 more replies)
  0 siblings, 3 replies; 5+ messages in thread
From: Bernd Kuhls @ 2026-03-06  7:41 UTC (permalink / raw)
  To: buildroot; +Cc: Jarkko Sakkinen

Fixes:
https://autobuild.buildroot.net/results/7a6/7a6ea7c513e8f1dcc32d868108bfb2a907d6fe85/

The previous change to src/tpm_library.c dates back to 2024:
https://github.com/stefanberger/libtpms/commits/master/src/tpm_library.c
so a backport to buildroot LTS branches should be considered.

Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
---
 ...ilation-error-in-TPMLIB_GetPlaintext.patch | 40 +++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 package/libtpms/0001-Fix-a-compilation-error-in-TPMLIB_GetPlaintext.patch

diff --git a/package/libtpms/0001-Fix-a-compilation-error-in-TPMLIB_GetPlaintext.patch b/package/libtpms/0001-Fix-a-compilation-error-in-TPMLIB_GetPlaintext.patch
new file mode 100644
index 0000000000..02c4df9668
--- /dev/null
+++ b/package/libtpms/0001-Fix-a-compilation-error-in-TPMLIB_GetPlaintext.patch
@@ -0,0 +1,40 @@
+From fc8820cfaa8b5e17328f731df93911f6ab92443b Mon Sep 17 00:00:00 2001
+From: Stefan Berger <stefanb@linux.ibm.com>
+Date: Fri, 2 Jan 2026 11:37:31 -0500
+Subject: [PATCH] Fix a compilation error in TPMLIB_GetPlaintext
+
+Fix a compilation error that newer gcc versions may complain about:
+
+tpm_library.c: In function 'TPMLIB_GetPlaintext':
+tpm_library.c:441:11: error: assignment discards 'const' qualifier from pointer target type [-Werror=discarded-qualifiers]
+  441 |     start = strstr(stream, starttag);
+      |           ^
+At top level:
+cc1: note: unrecognized command-line option '-Wno-self-assign' may have been intended to silence earlier diagnostics
+cc1: all warnings being treated as errors
+
+Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
+
+Upstream: https://github.com/stefanberger/libtpms/commit/fc8820cfaa8b5e17328f731df93911f6ab92443b
+
+Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
+---
+ src/tpm_library.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/tpm_library.c b/src/tpm_library.c
+index f48f4fd3..7b2ea687 100644
+--- a/src/tpm_library.c
++++ b/src/tpm_library.c
+@@ -435,7 +435,7 @@ static unsigned char *TPMLIB_GetPlaintext(const char *stream,
+                                           const char *endtag,
+                                           size_t *length)
+ {
+-    char *start, *end;
++    const char *start, *end;
+     unsigned char *plaintext = NULL;
+ 
+     start = strstr(stream, starttag);
+-- 
+2.47.3
+
-- 
2.47.3

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