[Bug 194760] graphics/inkscape linking fails when ImageMagick was compiled with openmp

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=194760

rkoberman at gmail.com changed:

           What    |Removed                     |Added
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                 CC|                            |rkoberman at gmail.com

--- Comment #18 from rkoberman at gmail.com ---
See https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=191193

This is the same issue with ImageMagick and OpenMP. From the other ticket:
I have tracked this down and it is not directly tied to the OPENMP option.

These symbols should be provided by libgomp, the GNU OpenMP library, but it's
not a part of OpenMP, it is a part of gcc. 

I see that there are two libgomp.so.1 libs on the system. One is in the base
system (/usr/lib) and the other is from lang/gcc (/usr/local/lib). While the
one installed by the port has the required symbols, the base library does not
have any symbols (at least as reportd by (objdump). I guess it is a stub. Looks
like IamgeMagick links to the "real" library, but emacs finds the stub when
configuring, so it dies.

and:
I have confirmed the problem by moving the stub library (and symlink) in
/usr/lib out of the way. emacs builds cleanly at this point.

>From config.log:
configure:10699: cc -o conftest -I/usr/local/include -O2 -pipe
-fno-strict-aliasing -I/usr/local/include/librsvg-2.0
-I/usr/local/include/gdk-pixbuf-2.0 -pthread -I/usr/local/include/cairo
-I/usr/local/include/glib-2.0 -I/usr/local/include/pixman-1 
-I/usr/local/include/freetype2 -I/usr/local/include/libpng15 -D_THREAD_SAFE
-I/usr/local/include   -I/usr/local/include/ImageMagick-6 -fopenmp
-DMAGICKCORE_HDRI_ENABLE=0 -DMAGICKCORE_QUANTUM_DEPTH=16  
-I/usr/local/include/gtk-2.0 -I/usr/local/include/gio-unix-2.0/
-I/usr/local/include/atk-1.0 -I/usr/local/include/cairo
-I/usr/local/include/pixman-1 -D_THREAD_SAFE
-I/usr/local/include/gdk-pixbuf-2.0 -I/usr/local/include/pango-1.0 -pthread 
-I/usr/local/include/freetype2 -I/usr/local/include/libpng15
-I/usr/local/include/harfbuzz -I/usr/local/include/glib-2.0
-I/usr/local/include   -I/usr/local/include   -I/usr/local/include 
-L/usr/local/lib -Wl,-rpath=/usr/lib:/usr/local/lib -Wl,-znocombreloc
-L/usr/local/lib conftest.c -lgtk-x11-2.0 -lgdk-x11-2.0 -lpangocairo-1.0 -lXext
-lXrender -lXinerama -lXi -lXrandr -lXcursor -lXcomposite -lXdamage -lXfixes
-lX11 -latk-1.0 -lcairo -pthread -lgdk_pixbuf-2.0 -lgio-2.0 -lpangoft2-1.0
-lpango-1.0 -lgobject-2.0 -lfontconfig -lfreetype -L/usr/local/lib -lglib-2.0
-lintl   -lMagickWand-6.Q16 -L/usr/local/lib -lMagickCore-6.Q16   -lrsvg-2 -lm
-lgio-2.0 -lgdk_pixbuf-2.0 -lgobject-2.0 -lglib-2.0 -lintl -L/usr/local/lib
-lcairo -pthread   -lX11 -lpthread -lutil  >&5 

Note the -rpath=/usr/lib:/usr/local/lib which results in the stub being used
instead of the real library.

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