From be890e015c372a8dcd65fbc5246bf189fcc02fe1 Mon Sep 17 00:00:00 2001
From: Antigravity <antigravity@google.com>
Date: Thu, 3 Sep 2026 14:35:00 +0200
Subject: [PATCH] Disable -fstack-protector on alpha architecture

Forwarded: not-needed

CMake hardcodes -fstack-protector-strong for GNU and Clang compilers, which overrides
dpkg-buildflags and causes build failures on alpha.

Gbp-Pq: Name alpha-no-fstack-protector.patch
---
 cmake/compilers/Clang.cmake | 5 ++++-
 cmake/compilers/GNU.cmake   | 5 ++++-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/cmake/compilers/Clang.cmake b/cmake/compilers/Clang.cmake
index 3f9bdb5..5b58a2f 100644
--- a/cmake/compilers/Clang.cmake
+++ b/cmake/compilers/Clang.cmake
@@ -75,7 +75,10 @@ set(TBB_COMMON_COMPILE_FLAGS ${TBB_COMMON_COMPILE_FLAGS}
     -Wformat -Wformat-security -Werror=format-security
     $<$<PLATFORM_ID:Windows>:-D_CRT_SECURE_NO_WARNINGS>
     $<$<NOT:$<PLATFORM_ID:Windows>>:-fPIC>
-    $<$<NOT:$<PLATFORM_ID:Emscripten>>:-fstack-protector-strong>)
+    )
+if (NOT CMAKE_SYSTEM_PROCESSOR MATCHES "alpha")
+    set(TBB_COMMON_COMPILE_FLAGS ${TBB_COMMON_COMPILE_FLAGS} $<$<NOT:$<PLATFORM_ID:Emscripten>>:-fstack-protector-strong>)
+endif()
 
 if (NOT APPLE AND NOT ANDROID_PLATFORM AND CMAKE_SYSTEM_PROCESSOR MATCHES "(AMD64|amd64|i.86|x86)" AND NOT WIN32)
     set(TBB_LIB_COMPILE_FLAGS ${TBB_LIB_COMPILE_FLAGS} -fstack-clash-protection)
diff --git a/cmake/compilers/GNU.cmake b/cmake/compilers/GNU.cmake
index 5fb8e5a..b15ffa0 100644
--- a/cmake/compilers/GNU.cmake
+++ b/cmake/compilers/GNU.cmake
@@ -109,7 +109,10 @@ endif ()
 # Gnu flags to prevent compiler from optimizing out security checks
 set(TBB_COMMON_COMPILE_FLAGS ${TBB_COMMON_COMPILE_FLAGS} -fno-strict-overflow -fno-delete-null-pointer-checks -fwrapv)
 set(TBB_COMMON_COMPILE_FLAGS ${TBB_COMMON_COMPILE_FLAGS} -Wformat -Wformat-security -Werror=format-security
-    -fstack-protector-strong )
+    )
+if (NOT CMAKE_SYSTEM_PROCESSOR MATCHES "alpha")
+    set(TBB_COMMON_COMPILE_FLAGS ${TBB_COMMON_COMPILE_FLAGS} -fstack-protector-strong)
+endif()
 if (CMAKE_SYSTEM_PROCESSOR MATCHES "(AMD64|amd64|i.86|x86)" AND NOT EMSCRIPTEN)
     set(TBB_LIB_COMPILE_FLAGS ${TBB_LIB_COMPILE_FLAGS} $<$<NOT:$<VERSION_LESS:${CMAKE_CXX_COMPILER_VERSION},8.0>>:-fcf-protection=full>)
 endif ()
-- 
2.30.2