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Subject: Re: x86_64-w64-mingw32-g++ can't find -ldl
From: "Yaakov (Cygwin/X)" <yselkowitz AT users DOT sourceforge DOT net>
To: cygwin <cygwin AT cygwin DOT com>
In-Reply-To: <4CB39D3F.6070602@redhat.com>
References: <29938897 DOT post AT talk DOT nabble DOT com>  <4CB39D3F DOT 6070602 AT redhat DOT com>
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Date: Mon, 11 Oct 2010 19:50:50 -0500
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On Mon, 2010-10-11 at 17:26 -0600, Eric Blake wrote:
> There's your problem.  x86_64-w64-mingw32 is a cross-compiler.  It 
> compiles mingw executables, not cygwin executables. And mingw lacks 
> dlopen.  You'll never get this to work.

"Never" might be a *bit* harsh.  If OP can't easily port the software to
use LoadLibrary and friends, then there is always the dlfcn-win32
wrapper.  A .cygport for x86_64-w64-mingw32 attached.


Yaakov


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CROSS_HOST="x86_64-w64-mingw32"
SVN_URI="http://dlfcn-win32.googlecode.com/svn"
SVN_REV=${PV#*_svn}
inherit cross svn

DESCRIPTION="dlopen/dlsym/dlclose wrapper for MinGW"
HOMEPAGE="http://code.google.com/p/dlfcn-win32/"

src_compile() {
	lndirs
	cd ${B}
	./configure \
		--prefix=${CROSS_PREFIX} \
		--incdir=${CROSS_INCLUDEDIR} \
		--libdir=${CROSS_LIBDIR} \
		--enable-shared --enable-static \
		--cross-prefix=${CROSS_HOST}- \
		|| error "configure failed"
	cygmake
}

src_test() {
	cd ${B}
	PATH="${B}:${PATH}"
	cygtest
}


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