C:\Users\xxx\xx\xxx\openssl\e_os.h(13): fatal error C1083: Cannot open include file: 'limits.h': No such file or directory

[Kingsley O]

Hello,

I get the above error when trying to build openssl. I am on a x64 Windows
10 platform, using perl 5, version 26, subversion 3 (v5.26.3) built for
MSWin32-x64-multi-thread and Visual studio express for Windows 10

The file limits is clearly located within the include folder of my visual
studio installation and I have my environment variable set so that i can
build openssl outside of the source tree. Unfortunately, I am at a loss as
to why the build is unable to find this file.
I have tried running vcvars32.bat and vcvarsx86_amd64.bat prior to running
the configure and build scripts but have not been successful on both
occasions.

In addition when i run the Configure script, I would normally select
VC-WIN64A, and I have also tried  running vsvars32.bat prior to running the
Configure and make scripts

Sometimes I get similar error with the build unable to find a different
file, in this instance *winsock2.h*

Can any of you kind folk please help?  I hope you can see my screenshot

Many Thanks in advance

*C:\Users\hello\_DEV\3di\openssl>nmake*

*Microsoft (R) Program Maintenance Utility Version 14.00.24210.0*
*Copyright (C) Microsoft Corporation.  All rights reserved.*

*        "C:\Perl64\bin\perl.exe" "-I." -Mconfigdata "util\dofile.pl
<http://dofile.pl>"  "-omakefile" "crypto\include\internal\bn_conf.h.in
<http://bn_conf.h.in>" > crypto\include\internal\bn_conf.h*
*        "C:\Perl64\bin\perl.exe" "-I." -Mconfigdata "util\dofile.pl
<http://dofile.pl>"  "-omakefile" "crypto\include\internal\dso_conf.h.in
<http://dso_conf.h.in>" > crypto\include\internal\dso_conf.h*
*        "C:\Perl64\bin\perl.exe" "-I." -Mconfigdata "util\dofile.pl
<http://dofile.pl>"  "-omakefile" "doc\man7\openssl_user_macros.pod.in
<http://openssl_user_macros.pod.in>" > doc\man7\openssl_user_macros.pod*
*        "C:\Perl64\bin\perl.exe" "-I." -Mconfigdata "util\dofile.pl
<http://dofile.pl>"  "-omakefile" "include\openssl\opensslconf.h.in
<http://opensslconf.h.in>" > include\openssl\opensslconf.h*
*        "C:\Perl64\bin\perl.exe" "-I." -Mconfigdata "util\dofile.pl
<http://dofile.pl>"  "-omakefile" "test\provider_internal_test.conf.in
<http://provider_internal_test.conf.in>" > test\provider_internal_test.conf*
*        "C:\Program Files (x86)\Microsoft Visual Studio
14.0\VC\BIN\nmake.exe" /                   depend && "C:\Program Files
(x86)\Microsoft Visual Studio 14.0\VC\BIN\nmake.exe" /
 _all*

*Microsoft (R) Program Maintenance Utility Version 14.00.24210.0*
*Copyright (C) Microsoft Corporation.  All rights reserved.*


*Microsoft (R) Program Maintenance Utility Version 14.00.24210.0*
*Copyright (C) Microsoft Corporation.  All rights reserved.*

*        cl  /Zi /Fdossl_static.pdb /Gs0 /GF /Gy /MD /W3 /wd4090 /nologo
/O2 /I "." /I "include" /I "apps\include" -D"L_ENDIAN" -D"OPENSSL_PIC"
-D"OPENSSL_CPUID_OBJ" -D"OPENSSL_IA32_SSE2" -D"OPENSSL_BN_ASM_MONT"
-D"OPENSSL_BN_ASM_MONT5" -D"OPENSSL_BN_ASM_GF2m" -D"SHA1_ASM"
-D"SHA256_ASM" -D"SHA512_ASM" -D"KECCAK1600_ASM" -D"RC4_ASM" -D"MD5_ASM"
-D"AES_ASM" -D"VPAES_ASM" -D"BSAES_ASM" -D"GHASH_ASM" -D"ECP_NISTZ256_ASM"
-D"X25519_ASM" -D"POLY1305_ASM" -D"OPENSSLDIR=\"C:\\Program Files\\Common
Files\\SSL\"" -D"ENGINESDIR=\"C:\\Program Files\\OpenSSL\\lib\\engines-3\""
-D"MODULESDIR=\"C:\\Program Files\\OpenSSL\\lib\\ossl-modules\""
-D"OPENSSL_SYS_WIN32" -D"WIN32_LEAN_AND_MEAN" -D"UNICODE" -D"_UNICODE"
-D"_CRT_SECURE_NO_DEPRECATE" -D"_WINSOCK_DEPRECATED_NO_WARNINGS"
-D"OPENSSL_USE_APPLINK" -D"NDEBUG"   -c /Foapps\libapps-lib-app_rand.obj
"apps\app_rand.c"*
*app_rand.c*
*C:\Users\hello\_DEV\3di\openssl\e_os.h(129): fatal error C1083: Cannot
open include file: 'winsock2.h': No such file or directory*
*NMAKE : fatal error U1077: '"C:\Program Files (x86)\Microsoft Visual
Studio 14.0\VC\BIN\cl.EXE"' : return code '0x2'*
*Stop.*
*NMAKE : fatal error U1077: '"C:\Program Files (x86)\Microsoft Visual
Studio 14.0\VC\BIN\nmake.exe"' : return code '0x2'*
*Stop.*
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