openssl/Configurations/50-win-hybridcrt.conf

## -*- mode: perl; -*-
# Windows HybridCRT targets.
# 
# https://github.com/microsoft/WindowsAppSDK/blob/77761e244289fda6b3d5f14c7bded189fed4fb89/docs/Coding-Guidelines/HybridCRT.md
# Link statically against the runtime and STL, but link dynamically against the CRT by ignoring the static CRT
# lib and instead linking against the Universal CRT DLL import library. This "Hybrid" linking mechanism is
# supported according to the CRT maintainer. Dynamic linking against the CRT makes the binaries a bit smaller
# than they would otherwise be if the CRT, runtime, and STL were all statically linked in.


sub remove_from_flags {
    my ($toRemove, $flags) = @_;
    
    return $flags =~ s/$toRemove//r;
}

my %targets = (
    "VC-WIN32-HYBRIDCRT" => {
        inherit_from    => [ "VC-WIN32" ],
        cflags          => sub {
            remove_from_flags(qr/\/MDd?\s/, add(picker(debug   => "/MTd",
                                                       release => "/MT"))->(@_))
        },
        lflags          => add(picker(debug   => "/NODEFAULTLIB:libucrtd.lib /DEFAULTLIB:ucrtd.lib",
                                      release => "/NODEFAULTLIB:libucrt.lib /DEFAULTLIB:ucrt.lib")),
    },
    "VC-WIN64A-HYBRIDCRT" => {
        inherit_from    => [ "VC-WIN64A" ],
        cflags          => sub {
            remove_from_flags(qr/\/MDd?\s/, add(picker(debug   => "/MTd",
                                                       release => "/MT"))->(@_))
        },
        lflags          => add(picker(debug   => "/NODEFAULTLIB:libucrtd.lib /DEFAULTLIB:ucrtd.lib",
                                      release => "/NODEFAULTLIB:libucrt.lib /DEFAULTLIB:ucrt.lib")),
    },
);