On Sat 27 Oct 2007, "L.Yan" <[EMAIL PROTECTED]>: > Dear all, > > I want to build the source of gcc and make '-msoft-float' available. But > I don't know how to build the source code. I just do it as the following > steps: > > 1. download the source code, gcc-4.1.2.tar.gz, from the mirror site; > 2. tar -xzf gcc-4.1.2.tar.gz; > 3. ./configure --prefix=/home/user/gcc4.1.2/install > --with-local-prefix=/home/user/gcc4.1.2/install --enable-threads=single > --enable-languages=c,c++,objc --enable-bootstrap > 4. make CFLAGS='-O' LIBCFLAGS='-g -O2' LIBCXXFLAGS='-g -O2 > -fno-implicit-templates -msoft-float' bootstrap > 5. make install > > Finally, I use the above gcc to compile a test program > > /home/user/gcc4.1.2/install/bin/gcc -msoft-float test.c -o test > > but there are errors : > /tmp/ccWjy9Ug.o: In function `main': > test.c:(.text+0x2f): undefined reference to `__floatsidf' > test.c:(.text+0x55): undefined reference to `__adddf3' > test.c:(.text+0x61): undefined reference to `__fixdfsi' > collect2: ld returned 1 exit status > > Would you like to tell me how to configure and compile GCC, and then I > could use the '-msoft-float' flag. > Any suggestions from you are appreciated. > Thanks. > > Best wishes, > Peter
Apparently, __addd3f seems to be the last crashed softfloat's backdoor, xDDDD, the same history repeats + or - in the past. I don't know if it had a reputation or not. Dear L. Yan, you need to practice some tricks from below urls: __adddf3 undefined (search the word __adddf3): http://gcc.gnu.org/ml/gcc-help/2003-12/msg00072.html http://gcc.gnu.org/ml/gcc-bugs/2006-12/msg01053.html http://gcc.gnu.org/ml/gcc-bugs/2006-12/msg00441.html http://gcc.gnu.org/ml/gcc/2002-10/msg00481.html http://gcc.gnu.org/ml/gcc/2002-10/msg00482.html http://gcc.gnu.org/ml/gcc/2002-10/msg00483.html http://gcc.gnu.org/ml/gcc/2002-10/msg00485.html http://gcc.gnu.org/ml/gcc/2002-11/msg00568.html http://gcc.gnu.org/ml/gcc-patches/2003-08/txt00013.txt http://gcc.gnu.org/ml/gcc-regression/2000-07/msg00065.html http://gcc.gnu.org/ml/gcc/2002-11/msg00569.html http://gcc.gnu.org/ml/gcc/2002-11/msg00570.html http://sourceware.org/ml/crossgcc/1999-q3/msg00457.html http://sourceware.org/ml/crossgcc/1999-q3/msg00458.html http://sourceware.org/ml/crossgcc/1999-q3/msg00454.html __floatsidf undefined (search the word __floatsidf): http://gcc.gnu.org/ml/gcc-bugs/2004-06/msg01219.html http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15873 http://gcc.gnu.org/ml/gcc-bugs/2004-08/msg01413.html http://gcc.gnu.org/ml/gcc-bugs/2004-06/msg00907.html http://gcc.gnu.org/ml/gcc-bugs/2004-06/msg00908.html http://gcc.gnu.org/ml/gcc-bugs/2004-06/msg01032.html http://gcc.gnu.org/ml/gcc-patches/2005-09/msg01093.html http://gcc.gnu.org/ml/gcc-bugs/2005-11/msg03231.html http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24998 http://gcc.gnu.org/ml/gcc-bugs/2005-11/msg03233.html http://gcc.gnu.org/ml/gcc-help/2005-05/msg00316.html http://gcc.gnu.org/ml/gcc-help/2005-05/msg00310.html http://gcc.gnu.org/ml/gcc-help/2005-05/msg00315.html http://gcc.gnu.org/ml/gcc/2002-11/msg00568.html http://gcc.gnu.org/ml/gcc/2002-11/msg00569.html http://gcc.gnu.org/ml/gcc/2002-11/msg00570.html http://gcc.gnu.org/ml/gcc/1997-12/msg01049.html http://gcc.gnu.org/ml/gcc/1997-12/msg01063.html http://gcc.gnu.org/ml/gcc-bugs/2005-11/msg03227.html http://gcc.gnu.org/ml/gcc/2007-07/msg00882.html http://gcc.gnu.org/ml/gcc/2005-09/msg00431.html http://gcc.gnu.org/ml/gcc/2005-09/msg00432.html http://www.cygwin.com/ml/crossgcc/1999-q1/msg00083.html http://www.nabble.com/insmod-ppp-mppe-gives-unresolved-symbol-__floatsidf-and-__adddf3-t1457935.html http://discussion.forum.nokia.com/forum/showthread.php?t=40990 http://sourceware.org/ml/crossgcc/2002-05/msg00011.html http://sourceware.org/ml/crossgcc/2002-05/msg00012.html http://sourceware.org/ml/crossgcc/2002-05/msg00017.html http://sourceware.org/ml/crossgcc/2002-05/msg00020.html http://sourceware.org/ml/crossgcc/2002-05/msg00084.html __fixdfsi undefined (search the word __fixdfsi): http://gcc.gnu.org/ml/gcc-help/2005-05/msg00316.html http://gcc.gnu.org/ml/gcc/2002-11/msg00568.html http://gcc.gnu.org/ml/gcc/2002-11/msg00569.html http://gcc.gnu.org/ml/gcc/2002-11/msg00570.html http://osdir.com/ml/lib.uclibc.general/2003-03/msg00101.html http://busybox.net/lists/uclibc/2003-March/005895.html http://www.omnigroup.com/mailman/archive/macosx-admin/1999-November/005606.html http://www.omnigroup.com/mailman/archive/macosx-admin/1999-November/005578.html http://opengrok.creo.hu/openbsd/s?defs=__fixdfsi http://opengrok.creo.hu/openbsd/search?q=__fixdfsi http://www.busybox.net/lists/uclibc/2002-November/004938.html http://stuff.mit.edu/afs/sipb/project/pilot/src/gnusrc/fpgnulib.c http://sourceware.org/ml/crossgcc/2002-05/msg00011.html http://www.cygwin.com/ml/newlib/2007/msg00929.html http://mhonarc.axis.se/dev-etrax/msg05341.html http://www.srcdoc.com/linux_2.2.26/floatlib_8c.html http://forums.ni.com/attachments/ni/beta2/100/1/Linker%20error%20stream.txt J.C. Pizarro
