Re: Re: have headers & libs, but cannot configure/make

[Mike Miller]

On Fri, Jan 06, 2017 at 09:55:44 -0500, John W. Eaton wrote:
> On 01/05/2017 02:37 PM, Mike Miller wrote:
> > On Tue, Jan 03, 2017 at 17:42:46 -0800, Chris Roat wrote:
> > > <elided>/gcc -std=gnu11 -o conftest --sysroot=<elided> -m64  -mcld 
> > > -fopenmp
> > >  -fopenmp -I<elided>/pcre -I<elided>/SuiteSparse_config --sysroot=<elided>
> > > -m64  -mcld -fopenmp -lstdc++ conftest.c -lpcre -lm
> > > 
> > > <elided>: error: cannot find -lpcre
> > > /tmp/cc0c03Xl.o:conftest.c:function main: error: undefined reference to
> > > 'pcre_compile'
> > > collect2: error: ld returned 1 exit status
> > > configure:30566: $? = 1
> > 
> > Ok, so it's only missing the appropriate -L option here. Octave's
> > configure currently does not have a PCRE_LDFLAGS variable, and it
> > probably should.
> 
> I added that when I made this change:
> 
>   http://hg.savannah.gnu.org/hgweb/octave/rev/8e9dd0d6e337
> 
> Does it work now for linking your pcre library?

I don't think it will, because it doesn't take PCRE_CPPFLAGS into
account when testing for the presence of pcre.h.

Why not use OCTAVE_CHECK_LIB for consistency?

-- 
mike