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Date:      Thu, 15 Mar 2001 00:16:48 -0600 (CST)
From:      Tim Zingelman <zingelman@fnal.gov>
To:        <freebsd-stable@FreeBSD.ORG>
Subject:   can't build 4.3-BETA GENERIC kernel with -g
Message-ID:  <Pine.GSO.4.30.0103142349240.14922-100000@nova.fnal.gov>

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Am I missing something here... is this the wrong way to build a kernel
with debug symbols?  Any help is appreciated.

I've cvsuped built, installed, mergemastered a 4.3-BETA world & kernel as
of this morning 3/14/01, and rebooted.  Everything worked great as usual.
I need to build a kernel with debug, to diagnose a panic I've been seeing
with smbfs.ko.  So I set:
 CFLAGS= -g
 COPTFLAGS= -g
in /etc/make.conf, went back to /usr/src (nothing has changed since my
last installworld/kernel, etc. except those two items in make.conf that
were previously set = -O -pipe)

I get a compile failure on /usr/src/sys/i386/i386/atomic.c, including
/usr/src/sys/i386/include/atomic.h "inconsistent operand constraints in an
`asm'" see below for details.

I also tried setting CFLAGS & COPTFLAGS to just -pipe and building with:
  make kernel KERNCONF=GENERIC DEBUG=-g
and got the same results.

I have repeated this on another -BETA machine with the same results.

  - Tim Zingelman <zingelman@fnal.gov>

make kernel KERNCONF=GENERIC
...
cc -c -g -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes
-Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual
-fformat-extensions -ansi  -nostdinc -I- -I. -I/usr/src/sys
-I/usr/src/sys/../include  -D_KERNEL -include opt_global.h -elf
-mpreferred-stack-boundary=2 -fomit-frame-pointer
/usr/src/sys/i386/i386/atomic.c
In file included from /usr/src/sys/i386/i386/atomic.c:47:
machine/atomic.h: In function `atomic_set_char':
machine/atomic.h:106: inconsistent operand constraints in an `asm'
machine/atomic.h: In function `atomic_clear_char':
machine/atomic.h:107: inconsistent operand constraints in an `asm'
machine/atomic.h: In function `atomic_add_char':
machine/atomic.h:108: inconsistent operand constraints in an `asm'
machine/atomic.h: In function `atomic_subtract_char':
machine/atomic.h:109: inconsistent operand constraints in an `asm'
machine/atomic.h: In function `atomic_set_short':
machine/atomic.h:111: inconsistent operand constraints in an `asm'
machine/atomic.h: In function `atomic_clear_short':
machine/atomic.h:112: inconsistent operand constraints in an `asm'
machine/atomic.h: In function `atomic_add_short':
machine/atomic.h:113: inconsistent operand constraints in an `asm'
machine/atomic.h: In function `atomic_subtract_short':
machine/atomic.h:114: inconsistent operand constraints in an `asm'
machine/atomic.h: In function `atomic_set_int':
machine/atomic.h:116: inconsistent operand constraints in an `asm'
machine/atomic.h: In function `atomic_clear_int':
machine/atomic.h:117: inconsistent operand constraints in an `asm'
machine/atomic.h: In function `atomic_add_int':
machine/atomic.h:118: inconsistent operand constraints in an `asm'
machine/atomic.h: In function `atomic_subtract_int':
machine/atomic.h:119: inconsistent operand constraints in an `asm'
machine/atomic.h: In function `atomic_set_long':
machine/atomic.h:121: inconsistent operand constraints in an `asm'
machine/atomic.h: In function `atomic_clear_long':
machine/atomic.h:122: inconsistent operand constraints in an `asm'
machine/atomic.h: In function `atomic_add_long':
machine/atomic.h:123: inconsistent operand constraints in an `asm'
machine/atomic.h: In function `atomic_subtract_long':
machine/atomic.h:124: inconsistent operand constraints in an `asm'
*** Error code 1

Stop in /usr/obj/usr/src/sys/GENERIC.
*** Error code 1

Stop in /usr/src.
*** Error code 1

Stop in /usr/src.




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