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[avr-gcc-list] Problem building avr-gcc on MinGW

From: Ebert, Rolf
Subject: [avr-gcc-list] Problem building avr-gcc on MinGW
Date: Wed, 5 Feb 2003 16:44:39 +0100

I think I am almost through building an AVR cross compiler on MinGW.  There
seems to be only a little problem left.  When linking collect2.exe I get
unresolved symbols kill, pipe, and fork:

gcc   -g -O2 -DIN_GCC -DCROSS_COMPILE  -W -Wall -Wwrite-strings
-Wstrict-prototypes -Wmissing-prototypes -Wtraditional -pedantic
-Wno-long-long   -DHAVE_CONFIG_H  -o Tcollect2.exe \
        collect2.o tlink.o intl.o version.o   ../libiberty/libiberty.a 
collect2.o(.text+0x2e3): In function `handler':
cc/collect2.c:447: undefined reference to `kill'
collect2.o(.text+0x3ab4): In function `scan_prog_file':
cc/collect2.c:2092: undefined reference to `pipe'
c-branch_3.3-2003-01-28/gcc/collect2.c:2115: undefined reference to `fork'
make[1]: *** [collect2.exe] Error 1

I do not have the log from building the native compiler, so I cannot tell
where the native version finds these symbols.  Probably it is just missing a
library here (but which one? this ought to be in libc, doesn't it?)

Anyway, the programs built up the here seem to work correctly, even the Ada
compiler :-)  If I invoke the compiler at the build location, I get the
following output:

gcc/xgcc -Bgcc/ -v -gnatv -c -Os -g -mmcu=at90s2313 toto.adb 
Reading specs from gcc\specs
Configured with: ../../gcc-branch_3.3-2003-01-28/configure --disable-nls
--target=avr --enable-languages=c,ada --prefix=/usr/local/avr
Thread model: single
gcc version 3.3 20030128 (prerelease)
 gcc\gnat1.exe -quiet -dumpbase toto.adb -gnatv -g -Os -mmcu=at90s2313
toto.adb -o C:\DOKUME~1\ebert\LOKALE~1\Temp/ccueaaaa.s

GNAT 3.3 20030128 (prerelease)
Copyright 1992-2002 Free Software Foundation, Inc.

Compiling: toto.adb (source file time stamp: 2003-02-05 13:44:34)
 18 lines: No errors
.exe --traditional-format -mmcu=at90s2313 -o toto.o

I use my own copy (via CVS) of the gcc sources, pulled from the gcc-3.3
branch on January 28.  Are there any pending patches regarding the AVR port?


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