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From "Mark Brown (JIRA)" <j...@apache.org>
Subject [jira] Created: (STDCXX-346) [Cygwin] gcc -fPIC warnings
Date Sat, 03 Mar 2007 19:22:50 GMT
[Cygwin] gcc -fPIC warnings
---------------------------

                 Key: STDCXX-346
                 URL: https://issues.apache.org/jira/browse/STDCXX-346
             Project: C++ Standard Library
          Issue Type: Bug
          Components: Build
    Affects Versions: 4.1.3
         Environment: gcc 3.4.4 on Cygwin
            Reporter: Mark Brown


gcc shared library build on Cygwin spits out a warning message about the -fPIC flag on the
command line for every .cpp file:

make[2]: Entering directory `/home/mbrown/stdcxx-12d/lib'
generating dependencies for $(TOPDIR)/src/atomic.s
generating dependencies for $(TOPDIR)/src/wctype.cpp
/home/mbrown/stdcxx/src/wctype.cpp:0: warning: -fPIC ignored for target (all code is position
independent)

Removing the -fPIC gets rid of the warnings so I'm guessing Cygwin might need the same conditional
as the one for AIX in gcc.config:

# IBM AIX code is always position independent
ifneq ($(OSNAME),AIX)
PICFLAGS        = -fPIC
endif

Here's the archived post where this problem was first raised:
http://mail-archives.apache.org/mod_mbox/incubator-stdcxx-dev/200703.mbox/%3cA631458ACF0.00000B8Bmbrown@inbox.com%3e

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