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Using the same as in build.sh now.

And cmake and libtool when building with LLVM

It's easier to debug that way

It's a now variable that Make will use.

As found in WSL.

It would require ugly hacks to link with pthreadGC2, or to backport the
switch to winpthreads

Martin Storsjö authored Jul 23, 2018 and Hugo Beauzée-Luyssen committed Sep 28, 2018

GCC supports using a custom spec file to override the default rules
of linking in -lmsvcrt and -lkernel32 etc.

Clang doesn't support spec files. But the mingw target in clang
recognizes certain libraries (-lmsvcr* and -lucrt*, and -lwindowsapp)
and will omit the corresponding default library rules if these are
found. And since llvm-mingw uses lld for linking, which is less picky
about the exact order of library flags than binutils ld, adding these
libraries in EXTRA_LDFLAGS works just fine for this case.
Signed-off-by: Hugo Beauzée-Luyssen <hugo@beauzee.fr>

Martin Storsjö authored Jul 23, 2018 and Hugo Beauzée-Luyssen committed Sep 28, 2018

Since July 2018, the latest master of mingw-w64 provides import libraries
for these CRT DLLs, which are suitable for use for UWP.
Signed-off-by: Hugo Beauzée-Luyssen <hugo@beauzee.fr>

Martin Storsjö authored Jul 23, 2018 and Hugo Beauzée-Luyssen committed Sep 28, 2018

The generic "gcc -dumpmachine" for finding the build environment
architecture should work just fine at least in modern llvm-mingw setups
since "gcc" should still refer to the host build environment, not the
cross toolchain, and modern llvm-mingw setups also provide <triplet>-gcc
aliases, not only <triplet>-clang.
Signed-off-by: Hugo Beauzée-Luyssen <hugo@beauzee.fr>

Martin Storsjö authored Jul 23, 2018 and Hugo Beauzée-Luyssen committed Sep 28, 2018

Signed-off-by: Hugo Beauzée-Luyssen <hugo@beauzee.fr>

This reverts commit 2b648c6c.