If make complains ``Do not know how to make xyz'' but xyz is an
existing file, it is likely that the dates of the files were not
extracted properly (Alpha-OSF machines are prone to this). Call
touch * cnf/* src/*from the main GAP directory (this ought to reset the date of all relevant files to ``now'') and try again.
Rarely the configure process does not find out properly about the
``inline'' compiler command. If you get error messages
that complain that ``inline'' is unknown, edit the file config.h in the
bin/target subdirectory and replace the line
/* #undef inline */by
#define inlineand then try to compile again.
The configure script respects compiler settings given in environment
variables. However such settings may conflict with the automatic
configuration process. If configure produces strange error messages about
not being able to run the compiler, check whether environment variables that
might affect the compilation (in particular CC, LD, CFLAGS, LDFLAGS
and C_INCLUDE_PATH) are set and reset them using unsetenv.
Some users reported problems with make, while the GNU version gmake
worked. Thus if problems occur you should try gmake instead
if it is installed on your machine.
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GAP 4 manual