From 2ab6ffb78a516f0aa99553eebafe02df1c8c32dc Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Tue, 11 May 2010 13:53:10 -0400
Subject: [PATCH] Recognize CLang C and C++ compilers

Map to the platform and compiler information for GNU because the
compilers are command-line compatible for common operations.  Later we
can add CLang-specific features as necessary.
---
 Modules/CMakeCCompilerId.c.in          |    3 +++
 Modules/CMakeCXXCompilerId.cpp.in      |    3 +++
 Modules/Compiler/CLang-C.cmake         |    1 +
 Modules/Compiler/CLang-CXX.cmake       |    1 +
 Modules/Platform/Linux-CLang-C.cmake   |    1 +
 Modules/Platform/Linux-CLang-CXX.cmake |    1 +
 6 files changed, 10 insertions(+), 0 deletions(-)
 create mode 100644 Modules/Compiler/CLang-C.cmake
 create mode 100644 Modules/Compiler/CLang-CXX.cmake
 create mode 100644 Modules/Platform/Linux-CLang-C.cmake
 create mode 100644 Modules/Platform/Linux-CLang-CXX.cmake

diff --git a/Modules/CMakeCCompilerId.c.in b/Modules/CMakeCCompilerId.c.in
index 5d004c7..2061446 100644
--- a/Modules/CMakeCCompilerId.c.in
+++ b/Modules/CMakeCCompilerId.c.in
@@ -9,6 +9,9 @@
 #if defined(__INTEL_COMPILER) || defined(__ICC)
 # define COMPILER_ID "Intel"
 
+#elif defined(__clang__)
+# define COMPILER_ID "CLang"
+
 #elif defined(__BORLANDC__)
 # define COMPILER_ID "Borland"
 
diff --git a/Modules/CMakeCXXCompilerId.cpp.in b/Modules/CMakeCXXCompilerId.cpp.in
index 00ab8e2..22ca5fc 100644
--- a/Modules/CMakeCXXCompilerId.cpp.in
+++ b/Modules/CMakeCXXCompilerId.cpp.in
@@ -11,6 +11,9 @@
 #elif defined(__INTEL_COMPILER) || defined(__ICC)
 # define COMPILER_ID "Intel"
 
+#elif defined(__clang__)
+# define COMPILER_ID "CLang"
+
 #elif defined(__BORLANDC__)
 # define COMPILER_ID "Borland"
 
diff --git a/Modules/Compiler/CLang-C.cmake b/Modules/Compiler/CLang-C.cmake
new file mode 100644
index 0000000..f7baf68
--- /dev/null
+++ b/Modules/Compiler/CLang-C.cmake
@@ -0,0 +1 @@
+include(Compiler/GNU-C)
diff --git a/Modules/Compiler/CLang-CXX.cmake b/Modules/Compiler/CLang-CXX.cmake
new file mode 100644
index 0000000..d3c403a
--- /dev/null
+++ b/Modules/Compiler/CLang-CXX.cmake
@@ -0,0 +1 @@
+include(Compiler/GNU-CXX)
diff --git a/Modules/Platform/Linux-CLang-C.cmake b/Modules/Platform/Linux-CLang-C.cmake
new file mode 100644
index 0000000..dbf8956
--- /dev/null
+++ b/Modules/Platform/Linux-CLang-C.cmake
@@ -0,0 +1 @@
+INCLUDE(Platform/Linux-GNU-C)
diff --git a/Modules/Platform/Linux-CLang-CXX.cmake b/Modules/Platform/Linux-CLang-CXX.cmake
new file mode 100644
index 0000000..8fe251c
--- /dev/null
+++ b/Modules/Platform/Linux-CLang-CXX.cmake
@@ -0,0 +1 @@
+INCLUDE(Platform/Linux-GNU-CXX)
-- 
1.7.0