368 lines
9.8 KiB
Plaintext
368 lines
9.8 KiB
Plaintext
# This is a shell script. It is sourced by the build scripts in the
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# various subdirectories to gather system-, compiler-, and OS-specific
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# information required for building the Makefiles.
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#
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# Most variables in this script are interpreted as boolean variables and
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# indicate presence or absence of one specific feature. The value "yes"
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# is regarded as "true", all other values (including no value or even
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# non-existence of the variable) are interpreted as "false".
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#
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# Do not forget to quote values that contain shell meta syntax.
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#
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# -----------------------------------------------------------------------
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# $system should contain the name of this file. It may be used by some
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# of the build scripts to do things that are specific to one single
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# type of system.
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system=386pc-386bsd-gcc
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# Does the system support the vprintf library function? If not,
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# availability of the (non-portable) _doprnt function is assumed.
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vprintf=yes
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# Does the directory(3) library follow the POSIX conventions (i.e.
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# requires the <dirent.h> include file and uses "struct dirent")?
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# If not, the (obsolete) BSD-style interface with <sys/dir.h> and
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# "struct direct" is assumed.
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dirent=yes
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# Does the system have the random/srandom library functions? If not,
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# rand/srand will be used instead.
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random=yes
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# Does the system have the index library function? If not, strchr
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# will be used.
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index=yes
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# Does the system have the bcopy, bzero, and bcmp library functions?
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# If not, memcpy/memset/memcmp will be used.
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bstring=yes
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# Does using the access system call require <unistd.h> to be included?
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# (Look into the manual page for access if in doubt.)
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include_unistd_h=yes
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# If the FIONREAD ioctl command is defined, which file must be included?
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fionread_include='<sys/ioctl.h>'
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# What is the name of the a.out include file?
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aout_h='<a.out.h>'
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# The following variables control how certain system limits are obtained
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# during runtime.
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#
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# If getdtablesize() is available to determine the maximum number of open
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# files per process, set getdtablesize=yes.
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# Alternatively, if POSIX-style sysconf() can be called with _SC_OPEN_MAX,
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# set sysconf_open_max=yes.
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# If neither is set to "yes", an educated guess will be made.
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getdtablesize=yes
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sysconf_open_max=yes
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# If POSIX-style pathconf() can be invoked with _PC_PATH_MAX to determine
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# the maximum pathname length, set pathconf_path_max=yes.
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pathconf_path_max=yes
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# If the system page size can be determined by calling getpagesize()
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# set getpagesize=yes.
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# Alternatively, if sysconf() can be invoked with _SC_PAGESIZE, set
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# sysconf_pagesize=yes.
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# These two variables are only required if the generational garbage
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# collector is used.
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getpagesize=yes
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sysconf_pagesize=no
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# Set reliable_signals=bsd if your system supports BSD-style reliable
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# signals (has sigblock and related functions); set reliable_signals=posix
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# for POSIX-style signals (sigprocmask, sigsets); otherwise old V7/SysV
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# signal semantics are assumed.
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reliable_signals=bsd
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# To support dynamic loading of object files and "dump", the system's
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# a.out format has to be known. Choose one of the following:
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#
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# coff ecoff xcoff elf macho hp9k convex
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#
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# Other values of "aout_format" are interpreted as BSD-style a.out format.
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aout_format=
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# Which mechanism should be used to dynamically load object files?
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# Possible values currently are:
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#
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# ld BSD-style incremental loading based on ld -A
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# rld NeXT-style rld_load()
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# shl HP-UX shl_load()
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# dl SysVR4/SunOS5 dlopen()
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#
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# Leave load_obj empty if dynamic loading is not supported.
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load_obj=ld
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# The following variables are only relevant if load_obj is set.
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# Linker options to produce a shared object from a .o file.
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# Only used if load_obj=dl.
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ldflags_shared=
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# The libraries against which dynamically loaded files are resolved
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# at the time they are loaded.
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load_libraries='-lc'
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# Additional flags to be passed to the linker for an incremental
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# linker run (ld -A). Ignored unless load_obj=ld.
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incremental_ldflags=-x
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# Systems with "aout_format=ecoff" may require a call to the cacheflush
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# system call after an object file has been loaded. Which include file
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# has to be included in this case?
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cachectl_h=unused
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# Is the ANSI-C atexit function supported to register an exit handler?
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# If not, the exit library function will be redefined and will end in
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# a call to _exit.
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atexit=yes
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# Do the names of external functions in the symbol table always begin
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# with a special character (such as underline)? If so, syms_begin_with
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# should hold this character, otherwise leave it empty.
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syms_begin_with=_
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# The symbol prefixes of extension initialization and finalization
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# functions (without the initial $syms_begin_with). Do not change
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# these unless the compiler or linker restricts the length of symbols!
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init_prefix=elk_init_
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finit_prefix=elk_finit_
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# Is the "dump" function supported?
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can_dump=yes
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# The following variables are only relevant if "can_dump=yes".
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# Is the fchmod system call broken or unavailable?
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fchmod_broken=no
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# These four variables are only relevant if the system has the BSD-style
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# a.out format.
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# segment_size is the segment size of the system's memory management
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# unit, i.e. the number to a multiple of which the size of an a.out
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# segment (e.g. .text) is rounded up.
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# file_text_start is the file offset at which the text segment starts
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# in an a.out file.
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# mem_text_start is the starting address of the text segment in memory.
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# text_length_adj must be set to "sizeof (struct exec)" if the length of
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# the text segment stored in the a.out header includes the a.out header
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# itself.
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segment_size=4096
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file_text_start=4096
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mem_text_start=0
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text_length_adj=0
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# Only relevant if "aout_format=coff": the system's pagesize.
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coff_pagesize=
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# Only relevant if "aout_format=hp9k" and "load_obj=shl"
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hp_shared_libraries=yes
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# Print debug messages when dumping
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debug_dump=yes
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# Is the "termio" terminal interface supported by the system? If not,
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# BSD-style tty handling will be used.
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termio=yes
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# flush_stdio and flush_tty indicate how clear-input/output-port can
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# flush (purge) a FILE pointer and a TTY file descriptor.
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# Possible values of flush_stdio:
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# bsd assume old BSD-style FILE* (with _cnt, _ptr, _base)
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# fpurge use 4.4BSD-style fpurge stdio library function
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# Possible values of flush_tty:
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# tiocflush use TIOCFLUSH ioctl from <sys/ioctl.h>
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# tcflsh use TCFLSH ioctl from <termio.h>
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# Leave the variable(s) empty if flushing is not supported.
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flush_stdio=fpurge
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flush_tty=tiocflush
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# The interpreter uses the getrlimit function to determine the maximum
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# stack size of the running program. If this function is not supported,
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# set max_stack_size to a (fixed) maximum stack size (in bytes).
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max_stack_size=
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# Is the mprotect system call supported? The generational garbage collector
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# requires mprotect to implement incremental GC. $mprotect is ignored if
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# generational_gc is set to "no" in the site file. Set mprotect=mmap if
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# mprotect is supported, but only for mmap()ed memory.
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mprotect=yes
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# How can a SIGSEGV or SIGBUS signal handler find out the address of
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# the faulting memory reference? This variable is only used if
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# $mprotect is "yes" or "mmap". Possible values are:
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#
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# siginfo handler is called with siginfo_t structure (enabled
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# by a call to sigaction)
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# sigcontext address is in the sigcontext structure (3rd arg, sc_badvaddr)
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# arg4 address is delivered to handler as argument #4
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# aix use an AIX-specific hack to get hold of the bad address
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# hpux use a HP-UX-specific hack
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sigsegv_addr=arg4
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# Does the system support the alloca library function, and does this
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# function actually extend the stack? If in doubt, extract alloca.o
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# from the C library and check if it contains the symbols malloc and free.
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# If this is the case, forget it.
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use_alloca=yes
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# Must <alloca.h> be included to use alloca? Is "#pragma alloca" required?
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include_alloca_h=no
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pragma_alloca=no
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# Does the system (or compiler) require certain objects (e.g. doubles)
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# to be aligned at 8-byte boundaries? If not, 4-byte alignment will
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# be assumed.
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align_8byte=yes
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# The C compiler used to compile the source code.
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cc=gcc
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# The name of the linker. This is usually just "ld", or /usr/ccs/bin/ld
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# in SVR4-based systems.
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ld=ld
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# The C compiler flags used for all files.
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cflags='-Di386 -O'
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# Are extra C compiler flags (such as -D_NO_PROTO) required to compile
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# Motif applications?
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motif_cflags=
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# Are extra C compiler flags (such as -G 0) required to compile
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# dynamically loadable files?
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obj_cflags=
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# Are extra linker flags (such as -G 0) required to link several object
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# files together to one dynamically loadable file?
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obj_ldflags=
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# The linker flags used to link the interpreter.
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ldflags='-lm'
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# The lint flags.
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lintflags='-abxh'
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# Are function prototypes in the header files required? If prototypes=yes,
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# prototypes are used unconditionally; if prototypes=no, prototypes are
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# not used; otherwise prototypes are only used if the source code is
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# compiled with an ANSI-C- or C++-compiler.
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prototypes=yes
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# Does your C preprocessor support the ANSI-C ## operator, although
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# __STDC__ is not defined?
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ansi_cpp=no
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# The UNIX extension likes to know which of the following system calls,
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# library functions, and include files are supported by the system.
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gettimeofday=yes
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ftime=
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vfork=yes
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gethostname=yes
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uname=
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mktemp=yes
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tmpnam=yes
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tempnam=yes
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getcwd=yes
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getwd=yes
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rename=yes
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waitpid=yes
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wait3=yes
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wait4=yes
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utime_h=yes
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regcomp=no
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# Element type of the gidset argument of getgroups(); typically int
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# or gid_t. Only needed by the UNIX extension.
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getgroups_type=int
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