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X-HELO: calimero.vinschen.de
Date: Sun, 6 Dec 2015 15:07:56 +0100
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com, cygwin-developers AT cygwin DOT com
Subject: Re: Jemalloc under CYGWIN
Message-ID: <20151206140756.GA17433@calimero.vinschen.de>
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On Dec  5 22:32, Yucong Sun wrote:
> I'm sorry, I got distracted from this issue and hadn't make any progress.

No worries.

> One thing specifically I need to be able to work on this issue is some
> information describing how to build/test cygwin lib (rather than using
> it). I couldn't find any information on the website, (or I havn't look
> deeply enough).

It's not complicated, really.

1. Install gcc and mingw-gcc.

2. Prepare build dir:

    $ mkdir cygwin
    $ cd cygwin
    $ git clone git://sourceware.org/git/newlib-cygwin.git
    [...]
    $ mkdir build
    $ cd build

3. Build:

    $ export PREFIX=3D/usr
    $ ../newlib-cygwin/configure \
      --prefix=3D${PREFIX} \
      --exec-prefix=3D${PREFIX} \
      --bindir=3D${PREFIX}/bin \
      --sbindir=3D${PREFIX}/sbin \
      --libexecdir=3D${PREFIX}/lib \
      --datadir=3D${PREFIX}/share \
      --localstatedir=3D/var \
      --sysconfdir=3D/etc \
      --infodir=3D${PREFIX}/share/info \
      --mandir=3D${PREFIX}/share/man \
      --docdir=3D${PREFIX}/share/doc/cygwin \
      --htmldir=3D${PREFIX}/share/doc/cygwin/html
  $ make
  # Or for debugging:
  $ make CFLAGS=3D'-gdwarf-2' CFLAGS_FOR_TARGET=3D'-gdwarf-2'

  Add -j<NUM> as desired.


HTH,
Corinna

--=20
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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