Made cmake automatically increase clang's template depth limit so the dnn

imagenet examples compile.

Made cmake automatically increase clang's template depth limit so the dnn
imagenet examples compile.
8b5e278f · Davis King · 28a5512b · 8b5e278f
Commit 8b5e278f authored Sep 28, 2016 by Davis King
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dlib/cmake dlib/cmake +5 -0

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--- a/dlib/cmake
+++ b/dlib/cmake
@@ -23,6 +23,11 @@ if (CMAKE_COMPILER_IS_GNUCXX)
    add_global_compiler_switch(-Wreturn-type)
 endif()
+if ("Clang" MATCHES ${CMAKE_CXX_COMPILER_ID})
+    # Increase clang's default tempalte recurision depth so the dnn examples don't error out.
+    add_definitions(-ftemplate-depth=500)
+endif()
 set(gcc_like_compilers GNU Clang  Intel)
 set(intel_archs x86_64 i386 i686)