Module: kamailio
Branch: master
Commit: 2bd61fc1b13af0e05b3060257f89a884433370bd
URL: 
https://github.com/kamailio/kamailio/commit/2bd61fc1b13af0e05b3060257f89a884433370bd

Author: Xenofon Karamanos <x...@gilawa.com>
Committer: Xenofon Karamanos <x...@gilawa.com>
Date: 2025-08-26T11:11:30Z

cmake: Add arm6 compile options

---

Modified: cmake/compiler-specific.cmake

---

Diff:  
https://github.com/kamailio/kamailio/commit/2bd61fc1b13af0e05b3060257f89a884433370bd.diff
Patch: 
https://github.com/kamailio/kamailio/commit/2bd61fc1b13af0e05b3060257f89a884433370bd.patch

---

diff --git a/cmake/compiler-specific.cmake b/cmake/compiler-specific.cmake
index 85fe7d976bd..db635b0dd83 100644
--- a/cmake/compiler-specific.cmake
+++ b/cmake/compiler-specific.cmake
@@ -120,6 +120,24 @@ elseif(TARGET_ARCH STREQUAL "arm7")
   else()
     message(FATAL_ERROR "Unsupported compiler (${CMAKE_C_COMPILER_ID}) for 
arm7. Try GCC.")
   endif()
+elseif(TARGET_ARCH STREQUAL "arm6")
+  if(CMAKE_C_COMPILER_ID STREQUAL "GNU")
+    target_compile_definitions(common_compiler_flags INTERFACE CC_GCC_LIKE_ASM)
+    target_compile_options(
+      common_compiler_flags INTERFACE -march=armv6 -funroll-loops -fsigned-char
+    )
+    if(CMAKE_C_COMPILER_VERSION VERSION_GREATER 4.2.0)
+      target_compile_options(common_compiler_flags INTERFACE -ftree-vectorize 
-fno-strict-overflow)
+    elseif(CMAKE_C_COMPILER_VERSION VERSION_GREATER 4.0)
+      target_compile_options(common_compiler_flags INTERFACE -ftree-vectorize)
+    else()
+      message(
+        WARNING "GCC version ${CMAKE_C_COMPILER_VERSION} is too old for arm6. 
Try GCC 4.0 or newer."
+      )
+    endif()
+  else()
+    message(WARNING "Unsupported compiler (${CMAKE_C_COMPILER_ID}) for arm6. 
Try GCC.")
+  endif()
 elseif(TARGET_ARCH STREQUAL "arm")
   if(CMAKE_C_COMPILER_ID STREQUAL "GNU")
     target_compile_definitions(common_compiler_flags INTERFACE CC_GCC_LIKE_ASM)

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