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(mysql.info)Solaris x86

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Solaris x86 Notes
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On Solaris 2.8 on x86, `mysqld' will core dump if you run 'strip' in.

If you are using `gcc' or `egcs' on Solaris x86 and you experience
problems with core dumps under load, you should use the following
`configure' command:

     CC=gcc CFLAGS="-O3 -fomit-frame-pointer -DHAVE_CURSES_H" \
     CXX=gcc \
     CXXFLAGS="-O3 -fomit-frame-pointer -felide-constructors -fno-exceptions -fno-rtti -DHAVE_CURSES_H" \
     ./configure --prefix=/usr/local/mysql

This will avoid problems with the `libstdc++' library and with C++
exceptions.

If this doesn't help, you should compile a debug version and run it
with a trace file or under `gdb'.  Note: Using gdb on mysqld.