[parisc-linux] xfree86 4.2.1-9 build problem

[Grant Grundler <grundler@parisc-linux.org>]

Hi all,
This started out as an issue with glxinfo program in xfree86.

The basic problem is glxinfo (C program) links against libGLU.so
(C++ built library). But glxinfo fails to link using gcc:
...
gcc -o glxinfo -g -O -ansi -pedantic -Wall -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls -Wnested-externs -Wundef     -L../../exports/lib glxinfo.o -lGLU -lGL -lXext -lX11  -lpthread -lm -Wl,-rpath-link,../../exports/lib
../../exports/lib/libGLU.so: undefined reference to `_Unwind_SjLj_Resume@GCC_3.0'
../../exports/lib/libGLU.so: undefined reference to `_Unwind_SjLj_Register@GCC_3.0'
/usr/bin/../lib/libstdc++.so.5: undefined reference to `_Unwind_SjLj_RaiseException@GCC_3.0'
../../exports/lib/libGLU.so: undefined reference to `_Unwind_SjLj_Unregister@GCC_3.0'
/usr/bin/../lib/libstdc++.so.5: undefined reference to `_Unwind_SjLj_Resume_or_Rethrow@GCC_3.3'
collect2: ld returned 1 exit status
...


If I use g++ instead, glxinfo links just fine since libgcc_eh.a gets
picked up automagically. But it seems wrong to require a C program
link using g++.

Is libGLU.so getting built wrong?  (ie resolved in libGLU.so directly)
Or should C programs not use C++ built libs? (How can the author know?)
Or is this a bug in gcc/binutils? (not picking up libgcc_eh.a)

This might be a generic problem since a few other libs on
my box have _Unwind_SjLj_Resume (for example) unresolved:

libasprintf.a
libgmpxx.a
libncurses++.a

thanks,
grant