On Wed, Jul 28, 2010 at 21:42, JonY <jo...@users.sourceforge.net> wrote: > On 7/28/2010 20:32, Dongsheng Song wrote: >> >> 于 2010-7-28 16:02, Kai Tietz 写道: >>> >>> 2010/7/28 Dongsheng Song<dongsheng.s...@gmail.com>: >>>> >>>> 于 2010-7-28 15:43, Kai Tietz 写道: >>>>> >>>>> 2010/7/28 Dongsheng Song<dongsheng.s...@gmail.com>: >>>>>> >>>>>> Hi Kai, >>>>>> >>>>>> When we cross build gcc 4.5 for windows, I found we can build windows >>>>>> gcc binary one >>>>>> week ago, but now the build failed. >>>>>> >>>>>> After I do a binary search, I found the issue caused by r2945. >>>>>> >>>>>> r2950 | 2010-07-24 05:50:28 | FAILED >>>>>> r2945 | 2010-07-24 02:44:15 | FAILED >>>>>> r2944 | 2010-07-24 02:38:30 | SUCCESS >>>>>> r2939 | 2010-07-23 17:55:30 | SUCCESS >>>>>> r2928 | 2010-07-23 05:21:20 | SUCCESS >>>>>> r2924 | 2010-07-22 18:32:25 | SUCCESS >>>>>> >>>>>> r2945 remove some *IMPORTANT* macros from >>>>>> /trunk/mingw-w64-headers/crt/float.h, >>>>>> e.g. FLT/DBL/LDBL_MANT_DIG, FLT_EVAL_METHOD, *ALL* decimal macros >>>>>> (DEC32/64/128_*, ...) >>>>>> >>>>>> When I add FLT/DBL/LDBL_MANT_DIG and FLT_EVAL_METHOD back to >>>>>> /trunk/mingw-w64-headers/crt/float.h, >>>>>> then the gcc cross build success again. >>>>>> >>>>>> So I recommend you apply the attached patch at least. >>>>>> >>>>>> btw, I know FLT_EVAL_METHOD added by C99, but >>>>>> libgfortran/m4/nearest.m4 use it, >>>>>> is it mean we should use ISO C99 compiler to build gcc 4.5 or later, >>>>>> not ISO C90 as >>>>>> http://gcc.gnu.org/install/prerequisites.html ? >>>>>> >>>>>> Regards, >>>>>> Dongsheng >>>>> >>>>> Hello Dongsheng, >>>>> >>>>> the recent change to float.h was necessary to support the new >>>>> include_next patch of 4.6. So how are you exactly installing headers? >>>>> As usual you should just see gcc's internal float.h for older gcc's >>>>> then 4.6. So I am a bit puzzled. Are you removing gcc's float.h here? >>>>> >>>>> Regards, >>>>> Kai >>>>> >>>> >>>> Hi Kai, >>>> >>>> I use Debian 6.0 i686 with latest update, gcc 4.4.4 build a gcc 4.5 >>>> cross compiler for windows, >>>> then use the cross compiler to build a native gcc 4.5 compiler for >>>> windows. >>>> >>>> Without the patch, both i686-windows and x64-windows failed during build >>>> native >>>> compiler. >>>> >>>> It's strange since I can build cross compiler, it maybe a gcc bug. >>>> >>>> The related packages is: >>>> gcc 4.5 branch, mingw64 trunk, binutils trunk, gmp 5.0 branch, mpfr 3.0 >>>> branch, >>>> mpc 0.8.2, ppl 0.10.2, cloog-ppl 0.15.9. >>>> >>>> Regards, >>>> Dongsheng >>>> >>>> >>> >>> Well, yes it is a gcc bug in respect to native/cross toolchains. I >>> assume that your search path installs headers (and libraries) in >>> standard_include for native. This cause that the system-headers get >>> included before fixed-include and gcc-include. >>> For this I can provide a patch. See revision 2986. But indeed this >>> include-order of gcc is a conceptional flaw. >>> >>> Cheers, >>> Kai >>> >> >> This build error fixed now, thank your excellent work ! >> >> Thank you very much ! >> >> But new error occurred when I use cross compiler to build native compiler: >> >> ... >> i686-w64-mingw32-gcc -O2 -pipe -DIN_GCC -W -Wall -Wwrite-strings >> -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes >> -Wmissing-format-attribute -pedantic -Wno-long-long -Wno-variadic-macros >> -Wno-overlength-strings -Wold-style-definition -Wc++-compat >> -DHAVE_CONFIG_H -s -o f951.exe \ >> fortran/arith.o fortran/array.o fortran/bbt.o >> fortran/check.o fortran/cpp.o fortran/data.o fortran/decl.o >> fortran/dump-parse-tree.o >> fortran/error.o fortran/expr.o fortran/interface.o fortran/intrinsic.o >> fortran/io.o fortran/iresolve.o fortran/match.o fortran/matchexp.o >> fortran/misc.o fortran/module.o fortran/openmp.o fortran/options.o >> fortran/parse.o fortran/primary.o fortran/resolve.o fortran/scanner.o >> fortran/simplify.o fortran/st.o fortran/symbol.o fortran/target-memory.o >> fortran/convert.o fortran/dependency.o fortran/f95-lang.o >> fortran/trans.o fortran/trans-array.o fortran/trans-common.o >> fortran/trans-const.o fortran/trans-decl.o fortran/trans-expr.o >> fortran/trans-intrinsic.o fortran/trans-io.o fortran/trans-openmp.o >> fortran/trans-stmt.o fortran/trans-types.o main.o libbackend.a >> ../libcpp/libcpp.a ../libdecnumber/libdecnumber.a ../libcpp/libcpp.a >> ../libiberty/libiberty.a ../libdecnumber/libdecnumber.a attribs.o >> -L/home/oracle/gcc-4.5-w32_i686-linux/lib -lcloog >> -L/home/oracle/gcc-4.5-w32_i686-linux/lib -lppl_c -lppl -lgmpxx >> -L/home/oracle/gcc-4.5-w32/lib >> -L/home/oracle/gcc-4.5-w32/lib -L/home/oracle/gcc-4.5-w32/lib -lmpc -lmpfr >> -lgmp -L../zlib -lz >> >> /home/oracle/gcc-4.5-w32_i686-linux/lib/libppl_c.a(ppl_c_implementation_common.o): >> In function `__tcf_0': >> >> ... >> >> /home/oracle/gcc-4.5-w32/lib/libgmpxx.a(isfuns.o):isfuns.cc:(.text+0x2be): >> undefined reference to `std::ios_base::Init::Init()' >> collect2: ld returned 1 exit status >> make[2]: *** [cc1plus-dummy.exe] Error 1 >> rm fsf-funding.pod gcov.pod gfdl.pod cpp.pod gcc.pod gfortran.pod >> make[2]: Leaving directory `/home/oracle/tmp/gcc-4.5-w32-obj/gcc/gcc' >> make[1]: *** [all-gcc] Error 2 >> make[1]: Leaving directory `/home/oracle/tmp/gcc-4.5-w32-obj/gcc' >> make: *** [all] Error 2 >> >> Then I run: >> >> sed -i "s/-lgmpxx/-lgmpxx -lstdc++/g" ${NATIVE_OBJ_ROOT}/gcc/gcc/Makefile >> make all >> >> So I can build smoothly. >> >> Is this a known bug ? >> >> Regards, >> Dongsheng >> > > Use g++ to link? g++ auto adds those libraries to the list of archives to > link. >
I do not understand what your mean, link command generated by GCC build script, not by me. ------------------------------------------------------------------------------ The Palm PDK Hot Apps Program offers developers who use the Plug-In Development Kit to bring their C/C++ apps to Palm for a share of $1 Million in cash or HP Products. Visit us here for more details: http://p.sf.net/sfu/dev2dev-palm _______________________________________________ Mingw-w64-public mailing list Mingw-w64-public@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/mingw-w64-public
