From d7c6f410f98123af03322bd916e49b9e21d90310 Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Tue, 10 Jan 2012 13:07:04 -0500
Subject: [PATCH] Detect HP compiler version with its id

Decode decimal digits from __HP_cc and __HP_aCC to compute version
number components.  See documentation at:

  http://predef.sourceforge.net/precomp.html
  http://g4u0420c.houston.hp.com/en/14487/preprocess.htm
---
 Modules/CMakeCCompilerId.c.in     | 3 +++
 Modules/CMakeCXXCompilerId.cpp.in | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/Modules/CMakeCCompilerId.c.in b/Modules/CMakeCCompilerId.c.in
index 85e26717c..c39eccbb6 100644
--- a/Modules/CMakeCCompilerId.c.in
+++ b/Modules/CMakeCCompilerId.c.in
@@ -45,6 +45,9 @@
 
 #elif defined(__HP_cc)
 # define COMPILER_ID "HP"
+# define COMPILER_VERSION_MAJOR DEC(__HP_cc/10000)
+# define COMPILER_VERSION_MINOR DEC(__HP_cc/100 % 100)
+# define COMPILER_VERSION_PATCH DEC(__HP_cc     % 100)
 
 #elif defined(__DECC)
 # define COMPILER_ID "Compaq"
diff --git a/Modules/CMakeCXXCompilerId.cpp.in b/Modules/CMakeCXXCompilerId.cpp.in
index 5f0cb6bab..bf4eaf974 100644
--- a/Modules/CMakeCXXCompilerId.cpp.in
+++ b/Modules/CMakeCXXCompilerId.cpp.in
@@ -47,6 +47,9 @@
 
 #elif defined(__HP_aCC)
 # define COMPILER_ID "HP"
+# define COMPILER_VERSION_MAJOR DEC(__HP_aCC/10000)
+# define COMPILER_VERSION_MINOR DEC(__HP_aCC/100 % 100)
+# define COMPILER_VERSION_PATCH DEC(__HP_aCC     % 100)
 
 #elif defined(__DECCXX)
 # define COMPILER_ID "Compaq"