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Date:      Mon, 1 Oct 2012 13:49:12 GMT
From:      Miklos Magyari <magyarimiki@gmail.com>
To:        freebsd-gnats-submit@FreeBSD.org
Subject:   ports/172209: devel/avr-gbd fails to build using clang
Message-ID:  <201210011349.q91DnCwd031892@red.freebsd.org>
Resent-Message-ID: <201210011350.q91Do1dx078810@freefall.freebsd.org>

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>Number:         172209
>Category:       ports
>Synopsis:       devel/avr-gbd fails to build using clang
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-ports-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Oct 01 13:50:01 UTC 2012
>Closed-Date:
>Last-Modified:
>Originator:     Miklos Magyari
>Release:        9.0-RELEASE
>Organization:
>Environment:
FreeBSD mira 9.0-RELEASE FreeBSD 9.0-RELEASE #0: Tue Jan  3 07:46:30 UTC 2012     root@farrell.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC  amd64
>Description:
devel/avr-gbd fails to build using clang:

[...snip...]

/bin/sh ./libtool --tag=CC   --mode=compile clang -DHAVE_CONFIG_H -I. -I. -I. -I./../include  -DHAVE_bfd_elf32_avr_vec -DHAVE_bfd_elf32_little_generic_vec -DHAVE_bfd_elf32_big_generic_vec  -DBINDIR='"/usr/local/bin"'  -W -Wall -Wstrict-prototypes -Wmissing-prototypes -Wshadow -Werror -O2 -pipe -fno-strict-aliasing -MT bfdio.lo -MD -MP -MF .deps/bfdio.Tpo -c -o bfdio.lo bfdio.c
libtool: compile:  clang -DHAVE_CONFIG_H -I. -I. -I. -I./../include -DHAVE_bfd_elf32_avr_vec -DHAVE_bfd_elf32_little_generic_vec -DHAVE_bfd_elf32_big_generic_vec -DBINDIR=\"/usr/local/bin\" -W -Wall -Wstrict-prototypes -Wmissing-prototypes -Wshadow -Werror -O2 -pipe -fno-strict-aliasing -MT bfdio.lo -MD -MP -MF .deps/bfdio.Tpo -c bfdio.c -o bfdio.o
bfdio.c:580:31: error: argument to 'sizeof' in 'memset' call is the same expression as the destination; did you mean to dereference it? [-Werror,-Wsizeof-pointer-memaccess]
  memset (statbuf, 0, sizeof (statbuf));
          ~~~~~~~             ^~~~~~~
1 error generated.
gmake[4]: *** [bfdio.lo] Error 1
gmake[4]: Leaving directory `/work/a/ports/devel/avr-gdb/work/gdb-7.3.1/bfd'
gmake[3]: *** [all-recursive] Error 1
gmake[3]: Leaving directory `/work/a/ports/devel/avr-gdb/work/gdb-7.3.1/bfd'
gmake[2]: *** [all] Error 2
gmake[2]: Leaving directory `/work/a/ports/devel/avr-gdb/work/gdb-7.3.1/bfd'
gmake[1]: *** [all-bfd] Error 2
gmake[1]: Leaving directory `/work/a/ports/devel/avr-gdb/work/gdb-7.3.1'
gmake: *** [all] Error 2
*** Error code 1

Stop in /a/ports/devel/avr-gdb.
>How-To-Repeat:
# cd /usr/ports/devel/avr-gdb
# make
>Fix:
patch to the port Makefile:

--- Makefile.orig       2012-10-01 15:45:38.000000000 +0200
+++ Makefile    2012-10-01 15:26:38.000000000 +0200
@@ -22,6 +22,8 @@
 GNU_CONFIGURE= yes
 CONFIGURE_ARGS=        --target=avr --program-prefix=avr --disable-nls

+CFLAGS+=       -Wno-unused-value
+
 pre-configure:
        cd ${WRKSRC} ; ${RM} -rf dejagnu expect tcl texinfo


another patch in needed under files/ :

a# cat files/patch-bfd::bfdio.c
--- bfd/bfdio.c.orig    2012-10-01 15:32:52.000000000 +0200
+++ bfd/bfdio.c 2012-10-01 15:28:13.000000000 +0200
@@ -577,7 +577,7 @@
 {
   struct bfd_in_memory *bim = (struct bfd_in_memory *) abfd->iostream;

-  memset (statbuf, 0, sizeof (statbuf));
+  memset (statbuf, 0, sizeof (struct stat));
   statbuf->st_size = bim->size;

   return 0;



>Release-Note:
>Audit-Trail:
>Unformatted:



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