Add missing -D

PDAL · Oct 24, 2016 · 66687cf · 66687cf
1 parent ad27f50
commit 66687cf
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/cmake/unix_compiler_options.cmake b/cmake/unix_compiler_options.cmake
@@ -14,7 +14,7 @@ if (${CMAKE_CXX_COMPILER_ID} MATCHES "GNU")
     set(PDAL_COMPILER_GCC 1)
 elseif (${CMAKE_CXX_COMPILER_ID} MATCHES "Clang")
     set(CXX_STANDARD "-std=c++11")
-    add_definitions("_GLIBCXX_USE_CXX11_ABI=1")
+    add_definitions("-D_GLIBCXX_USE_CXX11_ABI=1")
     set(PDAL_COMPILER_CLANG 1)
 else()
     message(FATAL_ERROR "Unsupported C++ compiler")