use of undeclared identifier '_BitScanForward'

[schwindelig]

glm-0.9.7.2 (stable)
llvm/clang 3.7.1 on Windows 10

#define GLM_MESSAGES
#include <glm/glm.hpp>


int main()
{
    return 0;
}

clang++ -v
clang++ test.cpp -Iglm-0.9.7.2

clang version 3.7.1 (tags/RELEASE_371/final)
Target: i686-pc-windows-gnu
Thread model: posix
In file included from test.cpp:2:
In file included from glm-0.9.7.2\glm/glm.hpp:90:
In file included from glm-0.9.7.2\glm/fwd.hpp:35:
In file included from glm-0.9.7.2\glm/detail/type_int.hpp:35:
glm-0.9.7.2\glm/detail/setup.hpp:49:10: warning: GLM: version 0.9.7.2 [-W#pragma-messages]
#       pragma message ("GLM: version 0.9.7.2")
               ^
glm-0.9.7.2\glm/detail/setup.hpp:102:11: warning: GLM: Windows platform detected [-W#pragma-messages]
#               pragma message("GLM: Windows platform detected")
                       ^
glm-0.9.7.2\glm/detail/setup.hpp:337:11: warning: GLM: LLVM compiler detected [-W#pragma-messages]
#               pragma message("GLM: LLVM compiler detected")
                       ^
glm-0.9.7.2\glm/detail/setup.hpp:367:11: warning: GLM: 32 bits model [-W#pragma-messages]
#               pragma message("GLM: 32 bits model")
                       ^
glm-0.9.7.2\glm/detail/setup.hpp:475:11: warning: GLM: SSE2 instruction set [-W#pragma-messages]
#               pragma message("GLM: SSE2 instruction set")
                       ^
glm-0.9.7.2\glm/detail/setup.hpp:622:11: warning: GLM: C++98 [-W#pragma-messages]
#               pragma message("GLM: C++98")
                       ^
glm-0.9.7.2\glm/detail/setup.hpp:882:11: warning: GLM: Swizzling operators disabled, #define GLM_SWIZZLE to enable swizzle operators [-W#pragma-messages]
#               pragma message("GLM: Swizzling operators disabled, #define GLM_SWIZZLE to enable swizzle operators")
                       ^
glm-0.9.7.2\glm/detail/setup.hpp:979:11: warning: GLM: .length() returns glm::length_t, a typedef of int following the GLSL specification [-W#pragma-messages]
#               pragma message("GLM: .length() returns glm::length_t, a typedef of int following the GLSL specification")
                       ^
In file included from test.cpp:2:
glm-0.9.7.2\glm/glm.hpp:94:10: warning: GLM: Core library included [-W#pragma-messages]
#       pragma message("GLM: Core library included")
               ^
In file included from test.cpp:2:
In file included from glm-0.9.7.2\glm/glm.hpp:117:
In file included from glm-0.9.7.2\glm/integer.hpp:35:
In file included from glm-0.9.7.2\glm/detail/func_integer.hpp:232:
glm-0.9.7.2\glm/detail/func_integer.inl:114:31: error: use of undeclared identifier '_BitScanForward'
                                unsigned char IsNotNull = _BitScanForward(&Result, *reinterpret_cast<unsigned long*>(&Value));
                                                          ^
glm-0.9.7.2\glm/detail/func_integer.inl:126:31: error: use of undeclared identifier '_BitScanForward64'
                                unsigned char IsNotNull = _BitScanForward64(&Result, *reinterpret_cast<unsigned __int64*>(&Value));
                                                          ^
glm-0.9.7.2\glm/detail/func_integer.inl:172:30: error: use of undeclared identifier '_BitScanReverse'
                        unsigned char IsNotNull = _BitScanReverse(&Result, *reinterpret_cast<unsigned long*>(&Value));
                                                  ^
glm-0.9.7.2\glm/detail/func_integer.inl:190:30: error: use of undeclared identifier '_BitScanReverse64'
                        unsigned char IsNotNull = _BitScanReverse64(&Result, *reinterpret_cast<unsigned __int64*>(&Value));
                                                  ^
9 warnings and 4 errors generated.

[Groovounet]

Thanks for reporting, this issue has been fixed for GLM 0.9.7.3 release.