Re: [XForms] Why does gcc not find the forms library?

[Denniston, Todd A CIV NAVSURFWARCENDIV Crane]

> -----Original Message-----
> From: On Behalf Of Jens Thoms Toerring
> Sent: Monday, October 12, 2015 4:30 PM
> To: Development with and of XForms; Peter Rowat
> Subject: Re: [XForms] Why does gcc not find the forms library?
> 
> Hi Peter,
> 
> On Mon, Oct 12, 2015 at 12:32:35PM -0700, Peter Rowat wrote:
> > On OS X, I’ve installed XForms and compiled the demos and they all work.
> > But trying to compile the simplest program directly, e.g.
> >
> > gcc -o pshme pshme.c -lforms
> 
> > fails with "ld: library not found for -lforms”
> 
> Did you install it (i.e. did you run "make install")? And if you
> did, did it get installed in a path the linker checks for per
> default? The default for the installation is '/usr/local/lib'.
> And even then you may have to make the runtime linker aware of
> newly installed libraries.
> 
> I have no experience with OS X, but on Linux you need to run
> 'ldconfig' (as root) before it gets found after installing it
> for the very first time. And the runtime linker can be made
> to include '/usr/local/lib' into the default search path by
> editing /etc/ld.so.conf' or, on newer systems, creating a file
> with in 'etc/ld.so.conf.d'. Perhaps it's handled in a similar
> way under OS X?
> 
> > Same happens if I tell gcc where to look:
> >
> > gcc -o pshme pshme.c -L/….../xforms-1.2.4/lib -lforms
> >
> > ls lib/*forms*
> > lib/forms.c lib/forms.lo    lib/forms.o     lib/libforms.la lib/xforms.5    
> > lib/xforms.man
> 
> The finished library is in 'lib/.lib', not in the 'lib'
> directory itself. So it should work with
> 
> > gcc -o pshme pshme.c -L/….../xforms-1.2.4/lib/.lib -lforms
> 

Which version of OS X has the OP been using?
Was the xforms lib installed before or after the last OS upgrade?

I have been reading in some other mailing lists[2] that some features of the 
new System Integrity Protection [1] (AKA rootless) has been causing issues with 
packages that want to install links in / or /usr, also there is an issue with 
boost [3] that might be similar.  
Food for thought? Places to ask what their related solutions were?

[1] https://en.wikipedia.org/wiki/OS_X_El_Capitan#System_Integrity_Protection

[2] http://article.gmane.org/gmane.comp.tex.macosx/47074
   http://sourceforge.net/p/gimp-print/mailman/message/34523439/
http://sourceforge.net/p/gimp-print/mailman/message/34515229/
http://sourceforge.net/p/gimp-print/mailman/message/34520522/

[3] 
http://stackoverflow.com/questions/32898887/boost-no-longer-works-with-homebrew-on-mac-el-capitan

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