Bug#265498: marked as done (gcc-3.3: does not define macros like __i386__ or __ELF__ anymore)
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and subject line Bug#265498: gcc-3.3: does not define macros like __i386__ or __ELF__ anymore
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Date: Fri, 13 Aug 2004 14:21:43 +0200
From: Philipp Frauenfelder <pfrauenf@debian.org>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: gcc-3.3: does not define macros like __i386__ or __ELF__ anymore
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Package: gcc-3.3
Version: 1:3.3.4-7
Severity: normal
Hi
In earlier releases (sorry, I do not have the information
available when that was -- a few weeks ago?), the compiler
defined macros like __i386__ or __ELF__ which could be used in
the source with
#ifdef __i386__
// blah
#endif
The current release does not produce these symbols anymore
(sorry for the german locale):
$ /usr/bin/g++ -v -c -o file.cc
Lese Spezifikationen von /usr/lib/gcc-lib/i486-linux/3.3.4/specs
Konfiguriert mit: ../src/configure -v --enable-languages=3Dc,c++,java,f77=
,pascal,objc,ada,treelang --prefix=3D/usr --mandir=3D/usr/share/man --inf=
odir=3D/usr/share/info --wwith-gxx-include-dir=3D/usr/include/c++/3.3 --e=
nable-shared --with-system-zlib --enable-nls --without-included-gettext -=
-enable-__cxa_atexit --enable-clocale=3Dgnu --enable-debug --enable-java-=
gc=3Dboehm --enable-java-awt=3Dxlib --enable-objc-gc i486-linux
Thread-Modell: posix
gcc-Version 3.3.4 (Debian 1:3.3.4-7)
/usr/lib/gcc-lib/i486-linux/3.3.4/cc1plus -quiet -v -I../.. -D__GNUC__=3D=
3 -D__GNUC_MINOR__=3D3 -D__GNUC_PATCHLEVEL__=3D4 -D_GNU_SOURCE -DDEBUG ..=
/../function/vectorR.cc -D__GNUG__=3D3 -quiet -dumpbase vectorR.cc -auxba=
se-strip ../../builds/function/gcc-3/debug/vectorR.o -g -O0 -Wall -versio=
n -ftemplate-depth-100 -fPIC -fno-inline -fPIC -o /tmp/ccNpypTi.s
GNU C++ version 3.3.4 (Debian 1:3.3.4-7) (i486-linux)
compiled by GNU C version 3.3.4 (Debian 1:3.3.4-7).
GGC heuristics: --param ggc-min-expand=3D98 --param ggc-min-heapsize=3D12=
8193
nicht vorhandenes Verzeichnis =BB/usr/i486-linux/include=AB wird ignorier=
t
#include "..." Suche beginnt hier:
#include <...> Suche beginnt hier:
../..
/usr/include/c++/3.3
/usr/include/c++/3.3/i486-linux
/usr/include/c++/3.3/backward
/usr/local/include
/usr/lib/gcc-lib/i486-linux/3.3.4/include
/usr/include
Ende der Suchliste.
as -V -Qy -o ../../builds/function/gcc-3/debug/vectorR.o /tmp/ccNpypTi.s
GNU assembler version 2.15 (i386-linux) using BFD version 2.15
A self built compiler (ages ago) gives the following output:
$ /usr/local/bin/g++ -v ....
Reading specs from /usr/local.hg/app/gcc/3.2/lib/gcc-lib/i686-pc-linux-gn=
u/3.2/specs
Configured with: /usr/local.hg/app/gcc/SRC/3.2/gcc-3.2/configure --prefix=
=3D/usr/local.hg/app/gcc/3.2 --enable-threads
Thread model: posix
gcc version 3.2
/usr/local.hg/app/gcc/3.2/lib/gcc-lib/i686-pc-linux-gnu/3.2/cc1plus -v -=
I../.. -iprefix /usr/local/bin/../lib/gcc-lib/i686-pc-linux-gnu/3.2/ -D__=
GNUC__=3D3 -D__GNUC_MINOR__=3D2 -D__GNUC_PATCHLEVEL__=3D0 -D__GXX_ABI_VER=
SION=3D102 -D__ELF__ -Dunix -D__gnu_linux__ -Dlinux -D__ELF__ -D__unix__ =
-D__gnu_linux__ -D__linux__ -D__unix -D__linux -Asystem=3Dposix -D__NO_IN=
LINE__ -D__STDC_HOSTED__=3D1 -D_GNU_SOURCE -Acpu=3Di386 -Amachine=3Di386 =
-Di386 -D__i386 -D__i386__ -D__tune_i686__ -D__tune_pentiumpro__ -D__PIC_=
_ -D__pic__ -DDEBUG ../../function/vectorR.cc -D__GNUG__=3D3 -D__DEPRECAT=
ED -D__EXCEPTIONS -quiet -dumpbase vectorR.cc -g -O0 -Wall -version -ftem=
plate-depth-100 -fPIC -fno-inline -fPIC -o /tmp/ccTgrKLg.s
GNU CPP version 3.2 (cpplib) (i386 Linux/ELF)
GNU C++ version 3.2 (i686-pc-linux-gnu)
compiled by GNU C version 3.2.
ignoring nonexistent directory "/usr/local/lib/gcc-lib/i686-pc-linux-gnu/=
3.2/../../../../include/c++/3.2"
ignoring nonexistent directory "/usr/local/lib/gcc-lib/i686-pc-linux-gnu/=
3.2/../../../../include/c++/3.2/i686-pc-linux-gnu"
ignoring nonexistent directory "/usr/local/lib/gcc-lib/i686-pc-linux-gnu/=
3.2/../../../../include/c++/3.2/backward"
ignoring nonexistent directory "/usr/local/lib/gcc-lib/i686-pc-linux-gnu/=
3.2/include"
ignoring nonexistent directory "/usr/local/lib/gcc-lib/i686-pc-linux-gnu/=
3.2/../../../../i686-pc-linux-gnu/include"
ignoring nonexistent directory "/usr/local.hg/app/gcc/3.2/i686-pc-linux-g=
nu/include"
#include "..." search starts here:
#include <...> search starts here:
../..
/usr/local.hg/app/gcc/3.2/include/c++/3.2
/usr/local.hg/app/gcc/3.2/include/c++/3.2/i686-pc-linux-gnu
/usr/local.hg/app/gcc/3.2/include/c++/3.2/backward
/usr/local/include
/usr/local.hg/app/gcc/3.2/include
/usr/local.hg/app/gcc/3.2/lib/gcc-lib/i686-pc-linux-gnu/3.2/include
/usr/include
End of search list.
as -V -Qy -o ../../builds/function/gcc-3/debug/vectorR.o /tmp/ccTgrKLg.s
GNU assembler version 2.15 (i386-linux) using BFD version 2.15
As you can see, it has this long list of defines which are missing in the
current Debian release of unstable.
Regards
-- System Information:
Debian Release: 3.1
Architecture: amd64 (x86_64)
Kernel: Linux 2.6.7-5-amd64-k8
Locale: LANG=3Dde, LC_CTYPE=3Dde (ignored: LC_ALL set to de_CH)
Versions of packages gcc-3.3 depends on:
ii binutils 2.15-1 The GNU assembler, linker an=
d bina
ii cpp-3.3 1:3.3.4-7 The GNU C preprocessor
ii gcc-3.3-base 1:3.3.4-7 The GNU Compiler Collection =
(base=20
ii libc6 2.3.2.ds1-15 GNU C Library: Shared librar=
ies an
ii libgcc1 1:3.4.1-5 GCC support library
-- no debconf information
---------------------------------------
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>From philipp@frauenfelder-kuerner.ch Fri Aug 13 11:10:06 2004
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Date: Fri, 13 Aug 2004 20:10:02 +0200
From: Philipp Frauenfelder <pfrauenf@debian.org>
To: 265498-done@bugs.debian.org
Subject: Re: Bug#265498: gcc-3.3: does not define macros like __i386__ or __ELF__ anymore
Message-ID: <20040813181002.GB27572@niederglatt.lugs.ch>
References: <[🔎] 20040813122143.GA5439@setup-4.math.ethz.ch> <[🔎] 16668.47870.669995.541828@gargle.gargle.HOWL>
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Dear Matthias
Am Fri, Aug 13, 2004 at 02:58:38PM +0200 hat Matthias Klose getippert:
> $ g++ -E -dM - </dev/null |fgrep i386
> #define __i386__ 1
> #define i386 1
> #define __i386 1
Oops. I did not know how to find these defines. I always used
the g++ -v and looked at the output. There, I still find what I
need (i386 or amd64 or whatever).
Thanks for the help and sorry for the unnecessary bug report.
Regards
--
Philipp | work: pfrauenf@math.ethz.ch +41 1 632 60 38
Frauenfelder | home: pfrauenf@debian.org +41 1 862 73 14
[PGP] | http://www.math.ethz.ch/~pfrauenf/
Proudly running Debian GNU/Linux. See http://www.debian.org/
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