build changes: --with-elfutils option

[Hien Nguyen]

Roland,

I tried to build systemtap with the --with-elfutils option on my RHEL4 
U2 ppc64 box. But it fail to to build elfutils.
So I tried to build elfutils-0.118 seperately without systetmatp, and 
got the same error. 

./configure
make
.
.
.
if gcc -D_GNU_SOURCE -DHAVE_CONFIG_H -I. -I. -I.. -I. -I../lib -I..    
-Wall -Wshadow -Werror -Wunused -Wextra -Wformat=2 -std=gnu99  -g -O2 
-MT elf_begin.o -MD -MP -MF ".deps/elf_begin.Tpo" -c -o elf_begin.o 
elf_begin.c; \
then mv -f ".deps/elf_begin.Tpo" ".deps/elf_begin.Po"; else rm -f 
".deps/elf_begin.Tpo"; exit 1; fi
elf_begin.c: In function `get_shnum':
elf_begin.c:100: warning: signed and unsigned type in conditional expression
elf_begin.c:101: warning: signed and unsigned type in conditional expression
elf_begin.c:113: warning: signed and unsigned type in conditional expression
elf_begin.c:114: warning: signed and unsigned type in conditional expression
elf_begin.c:155: warning: signed and unsigned type in conditional expression
elf_begin.c:197: warning: signed and unsigned type in conditional expression
elf_begin.c: In function `file_read_elf':
elf_begin.c:297: warning: signed and unsigned type in conditional expression
elf_begin.c:298: warning: signed and unsigned type in conditional expression
elf_begin.c:299: warning: signed and unsigned type in conditional expression
elf_begin.c:300: warning: signed and unsigned type in conditional expression
elf_begin.c:301: warning: signed and unsigned type in conditional expression
elf_begin.c:302: warning: signed and unsigned type in conditional expression
elf_begin.c:303: warning: signed and unsigned type in conditional expression
elf_begin.c:304: warning: signed and unsigned type in conditional expression
elf_begin.c:305: warning: signed and unsigned type in conditional expression
elf_begin.c:306: warning: signed and unsigned type in conditional expression
elf_begin.c:307: warning: signed and unsigned type in conditional expression
elf_begin.c:308: warning: signed and unsigned type in conditional expression
elf_begin.c:309: warning: signed and unsigned type in conditional expression
elf_begin.c:372: warning: signed and unsigned type in conditional expression
elf_begin.c:373: warning: signed and unsigned type in conditional expression
elf_begin.c:374: warning: signed and unsigned type in conditional expression
elf_begin.c:375: warning: signed and unsigned type in conditional expression
elf_begin.c:376: warning: signed and unsigned type in conditional expression
elf_begin.c:377: warning: signed and unsigned type in conditional expression
elf_begin.c:378: warning: signed and unsigned type in conditional expression
elf_begin.c:379: warning: signed and unsigned type in conditional expression
elf_begin.c:380: warning: signed and unsigned type in conditional expression
elf_begin.c:381: warning: signed and unsigned type in conditional expression
elf_begin.c:382: warning: signed and unsigned type in conditional expression
elf_begin.c:383: warning: signed and unsigned type in conditional expression
elf_begin.c:384: warning: signed and unsigned type in conditional expression
make[2]: *** [elf_begin.o] Error 1
make[2]: Leaving directory 
`/home/nguyhien/mytests/snapshots/elfutils-0.118/libelf'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/nguyhien/mytests/snapshots/elfutils-0.118'
make: *** [all] Error 2

Thanks for your help,
Hien.

Roland McGrath wrote:

>I've committed changes relating to PR 1916.  This is to make it easier to
>build elfutils locally in the systemtap build, as we have done in the RPM
>builds.  
>
>configure now accepts an option --with-elfutils=SRCDIR, where SRCDIR is a
>directory containing the elfutils source tree, either an absolute directory
>name or one relative to the systemtap source directory where configure is.
>You'll see it also run elfutils' configure script at the end.
>  
>