Re: [MXE-Octave]Build Failed on CentOS6.6 64bit

[John W. Eaton]

On 06/14/2015 08:55 AM, JohnD wrote:

> The correct version of nettle should be installed in
> '$(HOST_LIBDIR)/pkgconfig' as part of the build rule from nettle.mk, so
> should probally check that it was indeed installed :)
>
> export PKG_CONFIG_PATH probably wont work, as part of the makefile.in
> unexports a number of exports as they either may conflict with mxe tools or
> are set in Makefile.in

Right, we should always be using the version of nettle that is built as 
part of the mxe-octave build process.  However, for builds that are not 
entirely self-contained (using system X11 or fontconfig libraries, for 
example) I've found that I need to use the following change to the 
src/octave.mk file so that pkg-config will pick up appropriate 
pkg-config files:

@@ -132,7 +130,7 @@
         $($(PKG)_QT_CONFIGURE_OPTIONS) \
         $($(PKG)_EXTRA_CONFIGURE_OPTIONS) \
         PKG_CONFIG='$(MXE_PKG_CONFIG)' \
-        PKG_CONFIG_PATH='$(HOST_LIBDIR)/pkgconfig' \
+ 
PKG_CONFIG_PATH='$(HOST_LIBDIR)/pkgconfig:$(HOST_PREFIX)/lib64/pkgconfig:/usr/lib64/pkgconfig:/usr/share/pkgconfig' 
\
         && $(CONFIGURE_POST_HOOK)

     ## We want both of these install steps so that we install in the

I think it's likely to always be a bit tricky if we are mixing some 
system supplied libraries with ones we build ourselves.

jwe