5.4 ITK Failed to build(CMake) with error LNK2005: __ucrt_int_to_float already defined

[wbkangtc]

Description

Fails to build on CMake 3.30.1
Windows SDK version 10.0.26100.0 to target Windows 10.0.22631.
[build] -- Using MSVC's dynamic CRT (/MD and /MDd)
With error message

[build]     itktiff.vcxproj -> C:\TSS\build\Extern\ITK\src\ITK-build\lib\Debug\itktiff-5.4.lib
[build] itktiff-5.4.lib(tif_luv.obj) : error LNK2005: __ucrt_int_to_float already defined in itktiff-5.4.lib(tif_aux.obj) [C:\TSS\build\Extern\ITK\src\ITK-build\Modules\IO\TIFF\src\ITKIOTIFF.vcxproj] [C:\TSS\build\ITK.vcxproj]
[build] itktiff-5.4.lib(tif_color.obj) : error LNK2005: __ucrt_int_to_float already defined in itktiff-5.4.lib(tif_aux.obj) [C:\TSS\build\Extern\ITK\src\ITK-build\Modules\IO\TIFF\src\ITKIOTIFF.vcxproj] [C:\TSS\build\ITK.vcxproj]

Steps to Reproduce

1. Attempt build.

	ExternalProject_add(ITK
	  PREFIX ${CMAKE_BINARY_DIR}/Extern/ITK
	  GIT_REPOSITORY https://github.com/InsightSoftwareConsortium/ITK.git
	  GIT_TAG v5.4.0
	  UPDATE_COMMAND ""
	  CMAKE_ARGS
		-DBUILD_EXAMPLES:BOOL=OFF
		-DBUILD_SHARED_LIBS:BOOL=ON
		-DBUILD_TESTING:BOOL=OFF
		-DCMAKE_BUILD_TYPE:STRING=${CUSTOM_BUILD_TYPE}
		-DITK_BUILD_DEFAULT_MODULES:BOOL=ON
		-DModule_ITKReview:BOOL=ON
		-DITK_LEGACY_REMOVE:BOOL=ON
		-DCMAKE_INSTALL_PREFIX:PATH=${INSTALL_DEPENDENCIES_DIR}/ITK
		-DITK_USE_SYSTEM_HDF5:BOOL=OFF
		-DModule_ITKVtkGlue:BOOL=OFF
		-DHDF5_ROOT:STRING=${HDF5_ROOT}
	  INSTALL_DIR ${INSTALL_DEPENDENCIES_DIR}
	  DEPENDS HDF5
	)

Expected behavior

Build

Actual behavior

[build]     itktiff.vcxproj -> C:\TSS\build\Extern\ITK\src\ITK-build\lib\Debug\itktiff-5.4.lib
[build] itktiff-5.4.lib(tif_luv.obj) : error LNK2005: __ucrt_int_to_float already defined in itktiff-5.4.lib(tif_aux.obj) [C:\TSS\build\Extern\ITK\src\ITK-build\Modules\IO\TIFF\src\ITKIOTIFF.vcxproj] [C:\TSS\build\ITK.vcxproj]
[build] itktiff-5.4.lib(tif_color.obj) : error LNK2005: __ucrt_int_to_float already defined in itktiff-5.4.lib(tif_aux.obj) [C:\TSS\build\Extern\ITK\src\ITK-build\Modules\IO\TIFF\src\ITKIOTIFF.vcxproj] [C:\TSS\build\ITK.vcxproj]

Reproducibility

100

Versions

v5.4.0

Environment

Fails to build on CMake 3.30.1
Windows SDK version 10.0.26100.0 to target Windows 10.0.22631.
[build] -- Using MSVC's dynamic CRT (/MD and /MDd)
MSVC 17.10 (VS2022)

Additional Information

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[wbkangtc]

So this also happens for VS2019 build with toolset v142.

[jakimmel]

You can get the build to complete by adding "/FORCE:MULTIPLE" to the linker command line. TBD whether or not this causes issues in practice though.

[ryanseghers]

In Modules\ThirdParty\TIFF\src\itktiff\tif_config.h.in:

/* MSVC does not support C99 inline, so just make the inline keyword
disappear for C. */
#ifndef __cplusplus
# ifdef _MSC_VER
# define inline
# endif

That was apparently necessary for an older version of MSVC, but causes this problem for the version I have (Visual Studio 17.10.4, cl.exe version 19.40.33812).

That define means __ucrt_int_to_float does not get inlined despite needing to be. That symbol ends up in three of the obj files (tif_aux.obj tif_color.obj tif_luv.obj) and I get a link warning when those three obj files are linked into itktiff-5.4.lib, but that link succeeds. Then when a later step tries to link into an exe (itkTestDriver) it chokes.

I think those lines should just be removed, because it's not good to redefine a language keyword, and people should probably not be using such an old version of MSVC, and at least they should get a clear error message if they are.

Another possible fix is to change the ifdef to something like:
# if defined(_MSC_VER) && _MSC_VER < 1900

(But I had trouble confirming the version of MSVC that added inline keyword support for C.)

[dzenanz]

@blowekamp @issakomi @seanm is anyone brave enough to update bundled version of TIFF? It seems like we have some very old version of it.

[blowekamp]

@dzenanz I looked into it, and yes we do. It looks like there is CMake infrastructure in the new libtiff. It also looks like VTK is maintaining a forked repo version of libtiff. Seems like there should be more knowledge around what is needed to be done to update it than what I have.

[blowekamp]

closed by #4957