From e8681a9b373070fcddceda48da088673a2a0627f Mon Sep 17 00:00:00 2001
From: Benjamin Worpitz <benjaminworpitz@gmail.com>
Date: Sun, 13 May 2018 17:21:13 +0200
Subject: [PATCH] Add support for detecting CUDA (#71)

* add support for detecting CUDA
* add test for new make macro
---
 include/boost/predef/language.h      |  1 +
 include/boost/predef/language/cuda.h | 52 ++++++++++++++++++++++++++++
 include/boost/predef/make.h          |  2 ++
 test/make.cpp                        |  1 +
 4 files changed, 56 insertions(+)
 create mode 100644 include/boost/predef/language/cuda.h

diff --git a/include/boost/predef/language.h b/include/boost/predef/language.h
index 0a317d5..9ce3cc9 100644
--- a/include/boost/predef/language.h
+++ b/include/boost/predef/language.h
@@ -13,5 +13,6 @@ http://www.boost.org/LICENSE_1_0.txt)
 #include <boost/predef/language/stdc.h>
 #include <boost/predef/language/stdcpp.h>
 #include <boost/predef/language/objc.h>
+#include <boost/predef/language/cuda.h>
 
 #endif
diff --git a/include/boost/predef/language/cuda.h b/include/boost/predef/language/cuda.h
new file mode 100644
index 0000000..5c5fed3
--- /dev/null
+++ b/include/boost/predef/language/cuda.h
@@ -0,0 +1,52 @@
+/*
+Copyright Benjamin Worpitz 2018
+Distributed under the Boost Software License, Version 1.0.
+(See accompanying file LICENSE_1_0.txt or copy at
+http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+#ifndef BOOST_PREDEF_LANGUAGE_CUDA_H
+#define BOOST_PREDEF_LANGUAGE_CUDA_H
+
+#include <boost/predef/version_number.h>
+#include <boost/predef/make.h>
+
+/*`
+[heading `BOOST_LANG_CUDA`]
+
+[@https://en.wikipedia.org/wiki/CUDA CUDA C/C++] language.
+If available, the version is detected as VV.RR.P.
+
+[table
+    [[__predef_symbol__] [__predef_version__]]
+
+    [[`__CUDACC__`] [__predef_detection__]]
+    [[`__CUDA__`] [__predef_detection__]]
+
+    [[`CUDA_VERSION`] [VV.RR.P]]
+    ]
+ */
+
+#define BOOST_LANG_CUDA BOOST_VERSION_NUMBER_NOT_AVAILABLE
+
+#if defined(__CUDACC__) || defined(__CUDA__)
+#   undef BOOST_LANG_CUDA
+#   include <cuda.h>
+#   if defined(CUDA_VERSION)
+#       define BOOST_LANG_CUDA BOOST_PREDEF_MAKE_10_VVRRP(CUDA_VERSION)
+#   else
+#       define BOOST_LANG_CUDA BOOST_VERSION_NUMBER_AVAILABLE
+#   endif
+#endif
+
+#if BOOST_LANG_CUDA
+#   define BOOST_LANG_CUDA_AVAILABLE
+#endif
+
+#define BOOST_LANG_CUDA_NAME "CUDA C/C++"
+
+
+#endif
+
+#include <boost/predef/detail/test.h>
+BOOST_PREDEF_DECLARE_TEST(BOOST_LANG_CUDA,BOOST_LANG_CUDA_NAME)
diff --git a/include/boost/predef/make.h b/include/boost/predef/make.h
index 36b891a..e9ba6c8 100644
--- a/include/boost/predef/make.h
+++ b/include/boost/predef/make.h
@@ -64,6 +64,8 @@ Macros are:
 #define BOOST_PREDEF_MAKE_10_VV00(V) BOOST_VERSION_NUMBER(((V)/100)%100,0,0)
 /*` `BOOST_PREDEF_MAKE_10_VVRR(V)` */
 #define BOOST_PREDEF_MAKE_10_VVRR(V) BOOST_VERSION_NUMBER(((V)/100)%100,(V)%100,0)
+/*` `BOOST_PREDEF_MAKE_10_VVRRP(V)` */
+#define BOOST_PREDEF_MAKE_10_VVRRP(V) BOOST_VERSION_NUMBER(((V)/1000)%100,((V)/10)%100,(V)%10)
 /*` `BOOST_PREDEF_MAKE_10_VVRRPP(V)` */
 #define BOOST_PREDEF_MAKE_10_VVRRPP(V) BOOST_VERSION_NUMBER(((V)/10000)%100,((V)/100)%100,(V)%100)
 /*` `BOOST_PREDEF_MAKE_10_VVRRPPP(V)` */
diff --git a/test/make.cpp b/test/make.cpp
index d288833..0e19f02 100644
--- a/test/make.cpp
+++ b/test/make.cpp
@@ -42,6 +42,7 @@ void test_BOOST_VERSION_NUMBER()
     PREDEF_CHECK(BOOST_PREDEF_MAKE_10_VPPP(9999) == BOOST_VERSION_NUMBER(9,0,999));
     PREDEF_CHECK(BOOST_PREDEF_MAKE_10_VVRRPP(999999) == BOOST_VERSION_NUMBER(99,99,99));
     PREDEF_CHECK(BOOST_PREDEF_MAKE_10_VVRR(9999) == BOOST_VERSION_NUMBER(99,99,0));
+    PREDEF_CHECK(BOOST_PREDEF_MAKE_10_VVRRP(98765) == BOOST_VERSION_NUMBER(98,76,5));
     PREDEF_CHECK(BOOST_PREDEF_MAKE_10_VRPP(9999) == BOOST_VERSION_NUMBER(9,9,99));
     PREDEF_CHECK(BOOST_PREDEF_MAKE_10_VRRPP(99999) == BOOST_VERSION_NUMBER(9,99,99));
     PREDEF_CHECK(BOOST_PREDEF_MAKE_10_VRPPPP(460002) == BOOST_VERSION_NUMBER(4,6,2));