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Re: [PATCH] Making double precision constants work with -fsingle-precision-constant [was: Re: current subversion (rev 115032) compiling issues]
- From: Marco Trudel <mtrudel at gmx dot ch>
- To: "Carlos O'Donell" <carlos at codesourcery dot com>
- Cc: gcc-help at gcc dot gnu dot org, gcc-patches at gcc dot gnu dot org
- Date: Wed, 28 Jun 2006 11:02:00 +0200
- Subject: Re: [PATCH] Making double precision constants work with -fsingle-precision-constant [was: Re: current subversion (rev 115032) compiling issues]
- References: <44A0F836.7060106@gmx.ch>
Hello Carlos
Your patch http://gcc.gnu.org/ml/gcc-patches/2005-12/msg00790.html seems
to break cross-compiling for windows, see attached forwarded message.
regards
Marco
Marco Trudel wrote:
Hi list
I run into errors trying to compile the current subversion state. I
compile with this command:
cd $GCC_BUILD_DIR
$GCC_SRC_DIR/configure --prefix=$GCC_OUT_DIR \
--build=`$GCC_SRC_DIR/config.guess` --host=i686-pc-mingw32
--target=i686-pc-mingw32 \
--with-sysroot=$GCC_OUT_DIR/sys-root
--with-build-sysroot=$GCC_OUT_DIR/sys-root \
--enable-languages=c,c++,java \
--with-as=$AS --with-ld=$LD --with-gcj=i686-pc-mingw32-gcj\
--with-gnu-as --with-gnu-ld \
--disable-nls --disable-debug --disable-shared --disable-checking \
--enable-threads=win32 --disable-win32-registry
--enable-sjlj-exceptions \
--enable-libgcj
make
My compiler is a gcc 4.1.1 that compiles for i686-pc-mingw32.
The first problem is:
$GCC_SRC_DIR/libstdc++-v3/libsupc++/eh_personality.cc:434: error:
'_Unwind_GetIPInfo' was not declared in this scope
Inserting #include "unwind-generic.h" before #include "unwind-cxx.h"
solves this one. Inserting it anywhere after "unwind-cxx.h", won't work.
I don't know if this is correct or not, just solves the first problem...
Ok, next Problem:
$GCC_BUILD_DIR/i686-pc-mingw32/libstdc++-v3/include/limits:1011: error:
'__FLT_HAS_DENORM__' was not declared in this scope
$GCC_BUILD_DIR/i686-pc-mingw32/libstdc++-v3/include/limits:1068: error:
'__DBL_HAS_DENORM__' was not declared in this scope
$GCC_BUILD_DIR/i686-pc-mingw32/libstdc++-v3/include/limits:1125: error:
'__LDBL_HAS_DENORM__' was not declared in this scope
Here I'm stuck because I'm unable to find the defining header or source
file for these constants... Any ideas?
regards
Marco