Its been some time since the build failed, I just downloaded the latest 7.51.0 and went through my usual build steps by opening a VV2014 x64 Native Tools command prompt and then traversing to the winbuild directory and perform the following:
nmake /f Makefile.vc mode=dll VC=14 MACHINE=x64 GEN_PDB=yes DEBUG=yes The build proceeds and fails at link time with: debug-dll-ipv6-sspi-winssl-obj-curl\curl.res libcurl_debug.lib(libcurl_debug.dll) : error LNK2005: curl_strnequal already defined in strcase.obj libcurl_debug.lib(libcurl_debug.dll) : error LNK2005: curl_strequal already defined in strcase.obj Creating library ..\builds\libcurl-vc14-x64-debug-dll-ipv6-sspi-winssl\bin\curl.lib and object ..\builds\libcurl-vc14-x64-debug-dll-ipv6-sspi-winssl\bin\curl.exp ..\builds\libcurl-vc14-x64-debug-dll-ipv6-sspi-winssl\bin\curl.exe : fatal error LNK1169: one or more multiply defined symbols found NMAKE : fatal error U1077: '"C:\Program Files (x86)\Microsoft Visual Studio 14.0 \VC\BIN\amd64\link.exe"' : return code '0x491' Stop. NMAKE : fatal error U1077: '"C:\Program Files (x86)\Microsoft Visual Studio 14.0 \VC\BIN\amd64\nmake.exe"' : return code '0x2' Stop.
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