Update: Minimal libcurl compile for Windows; Missing flags?

old thread: https://curl.haxx.se/mail/lib-2020-05/0021.html

Hey folks,

So I decided to fully commit to the Microsoft compiler, and figure out the
flags on the go which disable features I don't need. (99% of them basically)

My steps so far:
(inside the x64 native tools console on windows)
winbuild dir:
1.
SET CC=cl /DHTTP_ONLY /DCURL_DISABLE_COOKIES /DCURL_DISABLE_CRYPTO_AUTH
/DCURL_DISABLE_VERBOSE_STRINGS /DCURL_DISABLE_DICT /DCURL_DISABLE_FILE
/DCURL_DISABLE_MIME /DCURL_DISABLE_HTTP_AUTH /DCURL_DISABLE_PARSEDATE
/DCURL_DISABLE_DOH /DCURL_DISABLE_SHUFFLE_DNS /DCURL_DISABLE_PROGRESS_METER
/DCURL_DISABLE_LIBCURL_OPTION /DCURL_DISABLE_OPENSSL_AUTO_LOAD_CONFIG
/DCURL_DISABLE_NETRC

2.
nmake /f Makefile.vc mode=static ENABLE_SSPI=no ENABLE_IPV6=no
ENABLE_IDN=no ENABLE_WINSSL=no GEN_PDB=no DEBUG=no MACHINE=x64

This yields libcurl_a.lib which is 718kb in size(2x smaller than the
default compile), WHICH ALSO WORKS for my project!! Thanks to Ray Satiro

I've tried grep searches on the root curl-7.70.0 folder;

grep -r -i "CURL_DISABLE_" .

But I haven't found anything that I already haven't used. Since
documentation says I can make my lib as small as 90kb I guess I'm still
missing something.
This can also be seen by comparing MINGW additional .configure flags to the
MSVC flags, which I haven't found

./configure --disable-ares --disable-ipv6 --disable-manual
--disable-verbose --disable-versioned-symbols --enable-symbol-hiding
--without-libidn --without-librtmp --without-ssl --without-zlib
--without-libidn2 --disable-pthreads --without-libmetalink
--disable-unix-sockets --without-strerror --disable-warnings

So my question would be, do you fine folks know if there are any more MSVC
flags I could use to make the static library even smaller?

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Received on 2020-05-08