From 1a09a7d9922502ea0a49be6aa6647bc9097082fd Mon Sep 17 00:00:00 2001
From: Chuck Atkins <chuck.atkins@kitware.com>
Date: Thu, 4 May 2017 13:45:46 -0400
Subject: SunPro: Add more flags for C language standards

---
 Modules/Compiler/SunPro-C.cmake | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/Modules/Compiler/SunPro-C.cmake b/Modules/Compiler/SunPro-C.cmake
index 263bbe4..29c2f22 100644
--- a/Modules/Compiler/SunPro-C.cmake
+++ b/Modules/Compiler/SunPro-C.cmake
@@ -27,14 +27,21 @@ foreach(type SHARED_LIBRARY SHARED_MODULE EXE)
   set(CMAKE_${type}_LINK_DYNAMIC_C_FLAGS "-Bdynamic")
 endforeach()
 
-if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 5.14)
-  set(CMAKE_C90_STANDARD_COMPILE_OPTION "-std=c90")
-  set(CMAKE_C90_EXTENSION_COMPILE_OPTION "-std=c90")
+if (CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 5.13)
+  set(CMAKE_C90_STANDARD_COMPILE_OPTION "-std=c89")
+  set(CMAKE_C90_EXTENSION_COMPILE_OPTION "-std=c89")
+  set(CMAKE_C99_STANDARD_COMPILE_OPTION "-std=c99")
+  set(CMAKE_C99_EXTENSION_COMPILE_OPTION "-std=c99")
   set(CMAKE_C11_STANDARD_COMPILE_OPTION "-std=c11")
   set(CMAKE_C11_EXTENSION_COMPILE_OPTION "-std=c11")
+elseif (CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 5.11)
+  set(CMAKE_C90_STANDARD_COMPILE_OPTION "")
+  set(CMAKE_C90_EXTENSION_COMPILE_OPTION "")
+  set(CMAKE_C99_STANDARD_COMPILE_OPTION "-xc99")
+  set(CMAKE_C99_EXTENSION_COMPILE_OPTION "-xc99")
 endif()
 
-__compiler_check_default_language_standard(C 5.13 90 5.14 11)
+__compiler_check_default_language_standard(C 5.11 90 5.14 11)
 
 set(CMAKE_C_CREATE_PREPROCESSED_SOURCE "<CMAKE_C_COMPILER> <DEFINES> <INCLUDES> <FLAGS> -E <SOURCE> > <PREPROCESSED_SOURCE>")
 set(CMAKE_C_CREATE_ASSEMBLY_SOURCE "<CMAKE_C_COMPILER> <DEFINES> <INCLUDES> <FLAGS> -S <SOURCE> -o <ASSEMBLY_SOURCE>")
-- 
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