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Mail Archives: djgpp/2002/12/17/17:00:21

From: "Ed Manlove" <emanlove AT ieee DOT org>
Newsgroups: comp.os.msdos.djgpp
References: <2CKL9.971$3p DOT 311942189 AT news DOT netcarrier DOT net> <200212171950 DOT gBHJo9D23702 AT envy DOT delorie DOT com> <9QKL9.972$0q DOT 311991336 AT news DOT netcarrier DOT net>
Subject: Re: target_alias set incorrectly by configure in DJGPP-to-cross cross compiler build
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Date: Tue, 17 Dec 2002 16:43:17 -0500
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To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp
Reply-To: djgpp AT delorie DOT com

> > gcc 2 is soon to be obsolete.  3.2 is the latest gcc release.  Does
> > this still occur there?
> >
>
> There has been talk of moving over to 3.2 for our project (brickOS, an
> alternative operating system for the Lego Mindstorms RCX Controller
> http://brickos.sourceforge.net/) but I have yet tried to build the cross
> compiler for 3.2. I will look into it.
>

It appears to do the same thing with gcc-3.2 as seen here.

# Default native SYSTEM_HEADER_DIR, to be overridden by targets.
NATIVE_SYSTEM_HEADER_DIR = /usr/include
# Default cross SYSTEM_HEADER_DIR, to be overridden by targets.
CROSS_SYSTEM_HEADER_DIR = $(build_tooldir)/sys-include

# autoconf sets SYSTEM_HEADER_DIR to one of the above.
SYSTEM_HEADER_DIR = $(CROSS_SYSTEM_HEADER_DIR)

# Control whether to run fixproto and fixincludes.
STMP_FIXPROTO = stmp-fixproto
STMP_FIXINC = stmp-fixinc

# Test to see whether <limits.h> exists in the system header files.
LIMITS_H_TEST = [ -f $(SYSTEM_HEADER_DIR)/limits.h ]

target=h8300-hitachi-hms
target_alias=djgpp
xmake_file= /djgpp/gnu/gcc-3.2/gcc/config/i386/x-djgpp
tmake_file= /djgpp/gnu/gcc-3.2/gcc/config/h8300/t-h8300
/djgpp/gnu/gcc-3.2/gcc/config/t-install-cpp

Something else which looks a little mixed up is the following in config.gcc

i[34567]86-pc-msdosdjgpp*)
 xm_file=i386/xm-djgpp.h
 tm_file=i386/djgpp.h
 tmake_file=i386/t-djgpp
 xmake_file=i386/x-djgpp
 gnu_ld=yes
 gas=yes
 exeext=.exe
 float_format=none
 case $host in *pc-msdosdjgpp*)
  target_alias=djgpp
  ;;
 esac
 ;;

I take this to be system specific information.  And what looks cross (pun
intended) is the case statement at the end appears to look for
pc-mosdosdjgpp in the host name and if it is there sets target (not host)
alias as djgpp?  A similar case statement appears in gcc-2.952\configure.in.
Should this be?

Ed


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