http://sourceware.org/bugzilla/show_bug.cgi?id=14243
Bug #: 14243
Summary: software that includes bfd.h fails to build with
"#error config.h must be included before this header"
Product: binutils
Version: 2.23 (HEAD)
Status: NEW
Severity: critical
Priority: P2
Component: binutils
AssignedTo: unassig...@sourceware.org
ReportedBy: mayna...@us.ibm.com
Classification: Unclassified
A build of the oprofile package against a June 12, 2012 CVS snapshot of
binutils fails with the following:
------------------------------------------------------------
make[2]: Entering directory `/home/cseo/at5.0/at5.0-5/src/oprofile/libopagent'
/bin/sh ../libtool --tag=CC --mode=compile /opt/at5.0-5-rc1/bin/gcc
-DHAVE_CONFIG_H -I. -I.. -I/home/cseo/at5.0/at5.0-5/src/oprofile/libopagent
-fPIC -I /home/cseo/at5.0/at5.0-5/src/oprofile/libop -I
/home/cseo/at5.0/at5.0-5/src/oprofile/libutil -g -MT libopagent_la-opagent.lo
-MD -MP -MF .deps/libopagent_la-opagent.Tpo -c -o libopagent_la-opagent.lo
`test -f 'opagent.c' || echo
'/home/cseo/at5.0/at5.0-5/src/oprofile/libopagent/'`opagent.c
libtool: compile: /opt/at5.0-5-rc1/bin/gcc -DHAVE_CONFIG_H -I. -I..
-I/home/cseo/at5.0/at5.0-5/src/oprofile/libopagent -fPIC -I
/home/cseo/at5.0/at5.0-5/src/oprofile/libop -I
/home/cseo/at5.0/at5.0-5/src/oprofile/libutil -g -MT libopagent_la-opagent.lo
-MD -MP -MF .deps/libopagent_la-opagent.Tpo -c opagent.c -fPIC -DPIC -o
.libs/libopagent_la-opagent.o
In file included from opagent.c:63:0:
/opt/at5.0-5-rc1/include/bfd.h:37:2: error: #error config.h must be included
before this header
make[2]: Entering directory `/home/cseo/at5.0/at5.0-5/src/oprofile/libopagent'
/bin/sh ../libtool --tag=CC --mode=compile /opt/at5.0-5-rc1/bin/gcc
-DHAVE_CONFIG_H -I. -I.. -I/home/cseo/at5.0/at5.0-5/src/oprofile/libopagent
-fPIC -I /home/cseo/at5.0/at5.0-5/src/oprofile/libop -I
/home/cseo/at5.0/at5.0-5/src/oprofile/libutil -g -MT libopagent_la-opagent.lo
-MD -MP -MF .deps/libopagent_la-opagent.Tpo -c -o libopagent_la-opagent.lo
`test -f 'opagent.c' || echo
'/home/cseo/at5.0/at5.0-5/src/oprofile/libopagent/'`opagent.c
libtool: compile: /opt/at5.0-5-rc1/bin/gcc -DHAVE_CONFIG_H -I. -I..
-I/home/cseo/at5.0/at5.0-5/src/oprofile/libopagent -fPIC -I
/home/cseo/at5.0/at5.0-5/src/oprofile/libop -I
/home/cseo/at5.0/at5.0-5/src/oprofile/libutil -g -MT libopagent_la-opagent.lo
-MD -MP -MF .deps/libopagent_la-opagent.Tpo -c opagent.c -fPIC -DPIC -o
.libs/libopagent_la-opagent.o
In file included from opagent.c:63:0:
/opt/at5.0-5-rc1/include/bfd.h:37:2: error: #error config.h must be included
before this header
This failure is apparently related to the binutils change that went in via bug
# 14072. This change apparently enforces that any file that includes "bfd.h"
also includes "config.h". As I understand it, this change was intended for
binutils source files only since the "config.h" file being required is
binutils' config.h. Yet the change is improperly requiring external software
to also include a "config.h" before including bfd.h. For the case in question,
oprofile's opagent.c does not include the oprofile's config.h and does not
require it. While we *could* hack opagent.c (and several other oprofile files
that include bfd.h) to unnecessarily include oprofile's config.h, this seems to
be the wrong fix to this problem.
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