From 8300030f715a872adf2de9ebb1605a37423de5c5 Mon Sep 17 00:00:00 2001
From: Josef Angstenberger <code@jtxa.de>
Date: Mon, 21 Sep 2020 00:42:14 +0200
Subject: Compiler/TI: Check compiler version for C99 support

---
 Modules/Compiler/TI-C.cmake | 39 +++++++++++++++++++++++++++++++++++----
 1 file changed, 35 insertions(+), 4 deletions(-)

diff --git a/Modules/Compiler/TI-C.cmake b/Modules/Compiler/TI-C.cmake
index ec5a509..69cf0a2 100644
--- a/Modules/Compiler/TI-C.cmake
+++ b/Modules/Compiler/TI-C.cmake
@@ -1,8 +1,39 @@
 include(Compiler/TI)
 __compiler_ti(C)
 
-set(CMAKE_C90_STANDARD_COMPILE_OPTION "--c89" "--strict_ansi")
-set(CMAKE_C90_EXTENSION_COMPILE_OPTION "--c89" "--relaxed_ansi")
+# Architecture specific
+# C99 versions: https://processors.wiki.ti.com/index.php/C99_Support_in_TI_Compilers
 
-set(CMAKE_C99_STANDARD_COMPILE_OPTION "--c99" "--strict_ansi")
-set(CMAKE_C99_EXTENSION_COMPILE_OPTION "--c99" "--relaxed_ansi")
+if("${CMAKE_C_COMPILER_ARCHITECTURE_ID}" STREQUAL "ARM")
+  set(__COMPILER_TI_C99_VERSION_ARM 5.2)
+
+elseif("${CMAKE_C_COMPILER_ARCHITECTURE_ID}" STREQUAL "MSP430")
+  set(__COMPILER_TI_C99_VERSION_MSP430 4.3)
+
+elseif("${CMAKE_C_COMPILER_ARCHITECTURE_ID}" STREQUAL "TMS320C28x")
+  set(__COMPILER_TI_C99_VERSION_TMS320C28x 6.3)
+
+elseif("${CMAKE_C_COMPILER_ARCHITECTURE_ID}" STREQUAL "TMS320C6x")
+  set(__COMPILER_TI_C99_VERSION_TMS320C6x 7.5)
+
+else()
+  # architecture not handled
+  return()
+
+endif()
+
+
+if(CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL "${__COMPILER_TI_C99_VERSION_${CMAKE_CXX_COMPILER_ARCHITECTURE_ID}}")
+
+  set(CMAKE_C90_STANDARD_COMPILE_OPTION "--c89" "--strict_ansi")
+  set(CMAKE_C90_EXTENSION_COMPILE_OPTION "--c89" "--relaxed_ansi")
+
+  set(CMAKE_C99_STANDARD_COMPILE_OPTION "--c99" "--strict_ansi")
+  set(CMAKE_C99_EXTENSION_COMPILE_OPTION "--c99" "--relaxed_ansi")
+
+else()
+
+  set(CMAKE_C90_STANDARD_COMPILE_OPTION "--strict_ansi")
+  set(CMAKE_C90_EXTENSION_COMPILE_OPTION "--relaxed_ansi")
+
+endif()
-- 
cgit v0.12