[mlpack-git] master: only use PGO when compiling with GCC (5089102)

[gitdub at big.cc.gt.atl.ga.us]

Repository : https://github.com/mlpack/mlpack

On branch  : master
Link       : https://github.com/mlpack/mlpack/compare/717fcf8610a0411e7067dd8634d8ffc873f51e3d...1ba8341ea46ff52edb4a5c41466c1d03d1fce61f

>---------------------------------------------------------------

commit 50891024fd34bf96e71806e9cfa690ce8a5ea224
Author: Stephen Tu <tu.stephenl at gmail.com>
Date:   Tue Jan 13 11:05:08 2015 -0800

    only use PGO when compiling with GCC
    
    clang does not support this option


>---------------------------------------------------------------

50891024fd34bf96e71806e9cfa690ce8a5ea224
 CMakeLists.txt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 884d415..3bc3859 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -49,11 +49,11 @@ else()
 endif(DEBUG)
 
 # Profiling CFLAGS.  Turn profiling information on.
-if(PROFILE)
+if(CMAKE_COMPILER_IS_GNUCC AND PROFILE)
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pg")
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pg")
   set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -pg")
-endif(PROFILE)
+endif(CMAKE_COMPILER_IS_GNUCC AND PROFILE)
 
 # If the user asked for extra Armadillo debugging output, turn that on.
 if(ARMA_EXTRA_DEBUG)