[Bug bootstrap/38903] New: Bootstrap failure on Cygwin vs. libiberty.

[Bug bootstrap/38903] New: Bootstrap failure on Cygwin vs. libiberty.

[dave dot korn dot cygwin at gmail dot com]

[refs: http://gcc.gnu.org/ml/gcc/2009-01/threads.html#00060
       http://gcc.gnu.org/ml/gcc/2009-01/threads.html#00216 ]

Bootstrap on cygwin is currently failing during stage 3 with:

          /home/andy/live-gcc/my_gcc/./gcc/xgcc
-B/home/andy/live-gcc/my_gcc/./gcc/ -B/usr/local/i686-pc-cygwin/bin/
-B/usr/local/i686-pc-cygwin/lib/ -isystem
/usr/local/i686-pc-cygwin/include -isystem
/usr/local/i686-pc-cygwin/sys-include -c -DHAVE_CONFIG_H -g -O2    -I.
-I../../../gcc/libiberty/../include  -W -Wall -Wwrite-strings
-Wc++-compat -Wstrict-prototypes -pedantic
../../../gcc/libiberty/strsignal.c -o pic/strsignal.o; \
        else true; fi
/home/andy/live-gcc/my_gcc/./gcc/xgcc
-B/home/andy/live-gcc/my_gcc/./gcc/ -B/usr/local/i686-pc-cygwin/bin/
-B/usr/local/i686-pc-cygwin/lib/ -isystem
/usr/local/i686-pc-cygwin/include -isystem
/usr/local/i686-pc-cygwin/sys-include -c -DHAVE_CONFIG_H -g -O2    -I.
-I../../../gcc/libiberty/../include  -W -Wall -Wwrite-strings
-Wc++-compat -Wstrict-prototypes -pedantic
../../../gcc/libiberty/strsignal.c -o strsignal.o
../../../gcc/libiberty/strsignal.c:408: error: conflicting types for
'strsignal'
/usr/include/string.h:78: note: previous declaration of 'strsignal' was here
make[2]: *** [strsignal.o] Error 1
make[2]: Leaving directory
`/home/andy/live-gcc/my_gcc/i686-pc-cygwin/libiberty'
make[1]: *** [all-target-libiberty] Error 2
make[1]: Leaving directory `/home/andy/live-gcc/my_gcc'
make: *** [all] Error 2

This happens because libiberty configure has a hard-coded hack that kicks in
when building libiberty as a target library, which causes strsignal (and a
couple of others) to be removed from the list of functions for configure to
check against the system libraries, causing the libiberty versions to be built
when they aren't needed.  (They used to be required; formerly, Cygwin pulled in
the object files from libiberty when linking the DLL, but this was fixed some
time ago and the hack has been obsolete since then).  I am testing a patch to
remove the hack.


-- 
           Summary: Bootstrap failure on Cygwin vs. libiberty.
           Product: gcc
           Version: 4.4.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: dave dot korn dot cygwin at gmail dot com
 GCC build triplet: i686-pc-cygwin
  GCC host triplet: i686-pc-cygwin
GCC target triplet: i686-pc-cygwin


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38903

[Bug bootstrap/38903] Bootstrap failure on Cygwin vs. libiberty.

[dave dot korn dot cygwin at gmail dot com]

------- Comment #1 from dave dot korn dot cygwin at gmail dot com  2009-01-18 00:31 -------
Created an attachment (id=17131)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17131&action=view)
Remove troublesome clause from libiberty configure

Now testing vs. both src/ and gcc/


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38903

[Bug bootstrap/38903] Bootstrap failure on Cygwin vs. libiberty.

[dave dot korn dot cygwin at gmail dot com]

------- Comment #2 from dave dot korn dot cygwin at gmail dot com  2009-01-18 21:40 -------
Fixed on HEAD by r.143487; sorry, forgot to put the PR/ reference in the SVN
logfile.


-- 

dave dot korn dot cygwin at gmail dot com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |FIXED


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38903

[Bug bootstrap/38903] Bootstrap failure on Cygwin vs. libiberty.

[dave dot korn dot cygwin at gmail dot com]

------- Comment #3 from dave dot korn dot cygwin at gmail dot com  2009-01-26 09:48 -------
http://gcc.gnu.org/ml/gcc/2009-01/msg00367.html
Confirmed by OP.


-- 

dave dot korn dot cygwin at gmail dot com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |VERIFIED


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38903

[Bug bootstrap/38903] Bootstrap failure on Cygwin vs. libiberty.

[davek at gcc dot gnu dot org]

------- Comment #4 from davek at gcc dot gnu dot org  2009-07-29 09:23 -------
Reopening against 4.3.4 RC 20090727.


-- 

davek at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|VERIFIED                    |UNCONFIRMED
         Resolution|FIXED                       |
            Version|4.4.0                       |4.3.4


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38903

[Bug bootstrap/38903] Bootstrap failure on Cygwin vs. libiberty.

[davek at gcc dot gnu dot org]

-- 

davek at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|unassigned at gcc dot gnu   |davek at gcc dot gnu dot org
                   |dot org                     |
             Status|UNCONFIRMED                 |ASSIGNED
     Ever Confirmed|0                           |1
   Last reconfirmed|0000-00-00 00:00:00         |2009-07-29 09:27:57
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38903

[Bug bootstrap/38903] Bootstrap failure on Cygwin vs. libiberty.

[davek at gcc dot gnu dot org]

------- Comment #5 from davek at gcc dot gnu dot org  2009-07-29 11:45 -------
Subject: Bug 38903

Author: davek
Date: Wed Jul 29 11:45:30 2009
New Revision: 150209

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=150209
Log:
        PR bootstrap/38903: Backport fix from HEAD.
        * configure.ac (funcs, vars, checkfuncs): Don't munge on Cygwin,
        as it no longer shares libiberty object files.
        * configure: Regenerated.


Modified:
    branches/gcc-4_3-branch/libiberty/ChangeLog
    branches/gcc-4_3-branch/libiberty/configure
    branches/gcc-4_3-branch/libiberty/configure.ac


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38903

[Bug bootstrap/38903] Bootstrap failure on Cygwin vs. libiberty.

[davek at gcc dot gnu dot org]

------- Comment #6 from davek at gcc dot gnu dot org  2009-07-29 12:08 -------
Fixed on gcc-4_3-branch.
Not present on gcc-4_4-branch, fix was applied to HEAD before branching.


-- 

davek at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|                            |FIXED


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38903

[Bug bootstrap/38903] Bootstrap failure on Cygwin vs. libiberty.

[rguenth at gcc dot gnu dot org]

-- 

rguenth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |4.3.4


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38903