CMake: Add libm to list of system libs printed by llvm-config.

This is required by the interpreter library, and also matches the autoconf
behavior.

llvm-svn: 221147

diff --git a/llvm/lib/Support/CMakeLists.txt b/llvm/lib/Support/CMakeLists.txt
index 32b96fa..24a115e 100644 (file)
--- a/llvm/lib/Support/CMakeLists.txt
+++ b/llvm/lib/Support/CMakeLists.txt
@@ -145,6 +145,7 @@ if( NOT MSVC )
     if ( LLVM_ENABLE_ZLIB AND HAVE_LIBZ )
       set(system_libs ${system_libs} z)
     endif()
+    set(system_libs ${system_libs} m)
   endif( MINGW )
 endif( NOT MSVC )