[x11-wm/fvwm2] Build failure with Clang

[A.J. 'Fonz' van Werven]

Hi everybody,

Before asking the maintainer and/or submitting a PR, perhaps someone here
knows what's up with the following. Since I rebuilt several ports due to
graphics/imlib having been deleted and graphics/png having been updated,
now building x11-wm/fvwm2 with Clang fails with a linking error at
FvwmGtk. But with lang/gcc48 it rather strangely builds just fine.

Any thoughts? Thanks in advance.

Relevant snippet:

[start of output]
clang  -Wall -Wno-implicit-int -O2 -pipe -fno-color-diagnostics -fstack-protector -fstack-protector -fno-strict-aliasing -I/usr/local/include -I/usr/local/include/libpng15 -I/usr/local/include/freetype2 -I/usr/local/include/libpng16 -fstack-protector -o FvwmGtk FvwmGtk.o gtkpixmapmenuitem.o dialog.o expand.o windowlist.o menu.o -L../../libs -L/usr/local/lib -lfvwm -lSM -lICE -lXext -lX11  -lm -L/usr/local/lib -L/usr/local/lib -lgtk -lgdk -lgmodule -lglib -lintl -lXi -lXext -lX11 -lm    -lfontconfig -L/usr/local/lib -lfreetype  
gtkpixmapmenuitem.o: In function `g_bit_nth_lsf':
gtkpixmapmenuitem.c:(.text+0x0): multiple definition of `g_bit_nth_lsf'
FvwmGtk.o:FvwmGtk.c:(.text+0x0): first defined here
gtkpixmapmenuitem.o: In function `g_bit_nth_msf':
gtkpixmapmenuitem.c:(.text+0x30): multiple definition of `g_bit_nth_msf'
FvwmGtk.o:FvwmGtk.c:(.text+0x30): first defined here
gtkpixmapmenuitem.o: In function `g_bit_storage':
gtkpixmapmenuitem.c:(.text+0x60): multiple definition of `g_bit_storage'
FvwmGtk.o:FvwmGtk.c:(.text+0x60): first defined here
dialog.o: In function `g_bit_nth_lsf':
dialog.c:(.text+0x0): multiple definition of `g_bit_nth_lsf'
FvwmGtk.o:FvwmGtk.c:(.text+0x0): first defined here
dialog.o: In function `g_bit_nth_msf':
dialog.c:(.text+0x30): multiple definition of `g_bit_nth_msf'
FvwmGtk.o:FvwmGtk.c:(.text+0x30): first defined here
dialog.o: In function `g_bit_storage':
dialog.c:(.text+0x60): multiple definition of `g_bit_storage'
FvwmGtk.o:FvwmGtk.c:(.text+0x60): first defined here
expand.o: In function `g_bit_nth_lsf':
expand.c:(.text+0x0): multiple definition of `g_bit_nth_lsf'
FvwmGtk.o:FvwmGtk.c:(.text+0x0): first defined here
expand.o: In function `g_bit_nth_msf':
expand.c:(.text+0x30): multiple definition of `g_bit_nth_msf'
FvwmGtk.o:FvwmGtk.c:(.text+0x30): first defined here
expand.o: In function `g_bit_storage':
expand.c:(.text+0x60): multiple definition of `g_bit_storage'
FvwmGtk.o:FvwmGtk.c:(.text+0x60): first defined here
windowlist.o: In function `g_bit_nth_lsf':
windowlist.c:(.text+0x0): multiple definition of `g_bit_nth_lsf'
FvwmGtk.o:FvwmGtk.c:(.text+0x0): first defined here
windowlist.o: In function `g_bit_nth_msf':
windowlist.c:(.text+0x30): multiple definition of `g_bit_nth_msf'
FvwmGtk.o:FvwmGtk.c:(.text+0x30): first defined here
windowlist.o: In function `g_bit_storage':
windowlist.c:(.text+0x60): multiple definition of `g_bit_storage'
FvwmGtk.o:FvwmGtk.c:(.text+0x60): first defined here
menu.o: In function `g_bit_nth_lsf':
menu.c:(.text+0x0): multiple definition of `g_bit_nth_lsf'
FvwmGtk.o:FvwmGtk.c:(.text+0x0): first defined here
menu.o: In function `g_bit_nth_msf':
menu.c:(.text+0x30): multiple definition of `g_bit_nth_msf'
FvwmGtk.o:FvwmGtk.c:(.text+0x30): first defined here
menu.o: In function `g_bit_storage':
menu.c:(.text+0x60): multiple definition of `g_bit_storage'
FvwmGtk.o:FvwmGtk.c:(.text+0x60): first defined here
clang: error: linker command failed with exit code 1 (use -v to see invocation)
Makefile:421: recipe for target 'FvwmGtk' failed
gmake[3]: *** [FvwmGtk] Error 1
gmake[3]: Leaving directory
'/usr/ports/x11-wm/fvwm2/work/fvwm-2.6.5/modules/FvwmGtk'
Makefile:369: recipe for target 'all-recursive' failed
gmake[2]: *** [all-recursive] Error 1
gmake[2]: Leaving directory
'/usr/ports/x11-wm/fvwm2/work/fvwm-2.6.5/modules'
Makefile:430: recipe for target 'all-recursive' failed
gmake[1]: *** [all-recursive] Error 1
gmake[1]: Leaving directory '/usr/ports/x11-wm/fvwm2/work/fvwm-2.6.5'
Makefile:368: recipe for target 'all' failed
gmake: *** [all] Error 2
===> Compilation failed unexpectedly.
Try to set MAKE_JOBS_UNSAFE=yes and rebuild before reporting the failure to
the maintainer.
*** [do-build] Error code 1

Stop in /usr/ports/x11-wm/fvwm2.
*** [build] Error code 1

Stop in /usr/ports/x11-wm/fvwm2.
[end of output]

Other information:

# uname -a
FreeBSD gargamel.skysmurf.nl 9.3-RELEASE-p6 FreeBSD 9.3-RELEASE-p6 #4 r269163M: Sun Dec 21 13:31:52 CET 2014 root at gargamel.skysmurf.nl:/usr/obj/usr/src/sys/SPECTRUM  amd64

Ports tree revision: 375649

Relevant entries in /etc/make.conf:

[start of file content]
WITH_PKGNG=yes
WITHOUT_HAL=yes
CC=clang
CXX=clang++
CPP=clang-cpp
.if ${.CURDIR:M/usr/ports*}
CFLAGS+=-fstack-protector
CXXFLAGS+=-fstack-protector
.endif
[end of file content]

Full build logs:
http://www.skysmurf.nl/~fonz/tmp/fvwm2_default.txt (Clang from base)
http://www.skysmurf.nl/~fonz/tmp/fvwm2_unsafe.txt (MAKE_JOBS_UNSAFE=yes)
http://www.skysmurf.nl/~fonz/tmp/fvwm2_gcc48.txt (successful gcc48 run)

-- 
Imbibo, ergo sum.
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