[Clfs-support] [Native Compiler] Problem Cross-compiling GMP MPFR and MPC
Michele Bucca
michele.bucca at gmail.com
Sat Apr 15 04:15:01 PDT 2017
2017-04-15 11:22 GMT+02:00 Michele Bucca <michele.bucca at gmail.com>:
> 2017-04-15 10:17 GMT+02:00 Michele Bucca <michele.bucca at gmail.com>:
>>
>> Il 15 apr 2017 9:58 AM, "akhiezer" <lfs65 at cruziero.com> ha scritto:
>>>
>>> > From: Michele Bucca <michele.bucca at gmail.com>
>>> > Date: Sat, 15 Apr 2017 09:18:24 +0200
>>> > To: CLFS Support <clfs-support at lists.clfs.org>
>>> > Subject: Re: [Clfs-support] [Native Compiler] Problem Cross-compiling
>>> > GMP
>>> > MPFR and MPC
>>> >
>>> > Il 14 apr 2017 5:34 PM, "William Harrington" <kb0iic at berzerkula.org> ha
>>> > scritto:
>>> > >
>>> > > On Fri, April 14, 2017 13:27, Michele Bucca wrote:
>>> > > > Il 14 apr 2017 3:15 PM, "William Harrington" <kb0iic at berzerkula.org>
>>> > > > ha
>>> > > > scritto:
>>> > > >>
>>> > > >> On Fri, April 14, 2017 08:15, Michele Bucca wrote:
>>> > > >> > Hello Everyone,
>>> > > >> >
>>> > > >> > I'm trying to cross-compile a native host-x-host compiler with
>>> > > >> > the
>>> > > >> > musl-libc library
>>> > > >> >
>>> > > >> > To do that I have to
>>> > > >> >
>>> > > >> > 1) compile a cross-compiler. (Done)
>>> > > >> > 2) Install GMP, MPFR and MPC on the cross-compiler
>>> > > >> > 3) make a host-x-host cross-compile to make a native compiler
>>> > > >> >
>>> > > >>
>>> > > >> Hello Michele,
>>> > > >>
>>> > > >> I also wanted to add, in case there is any confusion, that this may
>>> > > >> shed
>>> > > >> some light:
>>> > > >>
>>> > > >> https://gcc.gnu.org/onlinedocs/gccint/Configure-Terms.html
>>> > > >>
>>> > > >> Another option, which may be better, is to build gmp, mpfr and mpc
>>> > > >> in-tree
>>> > > >> with the GCC source when you build it. Extract mpfr, gmp and mpc
>>> > > >> into
>>> > > >> the
>>> > > >> source code so it is laid out:
>>> > > >>
>>> > > >> gcc-5.3.0/gmp
>>> > > >> gcc-5.3.0/mpfr
>>> > > >> gcc-5.3.0/mpc
>>> > > >> gcc-5.3.0/isl (if also inclulding isl)
>>> > > >>
>>> > > >> then configure: mkdir gcc-build && cd ../gcc-build && (needed
>>> > > >> flags
>>> > > >> here)
>>> > > >> ../gcc-5.3.0/configure (configure options here excluding --with-gmp
>>> > > >> --with-mpfr --with-mpc)
>>> > > >>
>>> > > >
>>> > > > As I want to build a static version of GCC I will specify these
>>> > > > variables:
>>> > > >
>>> > > > export CC="i486-linux-musl-gcc -static -Wl,-Bstatic -static-libgcc"
>>> > > > export CXX="i486-linux-musl-gcc -static -Wl,-Bstatic -static-libgcc"
>>> > > >
>>> > > > will this have weird effects if I extract those three libraries
>>> > > > source
>>> > > > inside the GCC source tree and compile them with it?
>>> > > > --Michele
>>> > > >
>>> > > >> Sincerely,
>>> > > >>
>>> > > >> William
>>> > >
>>> > > Hello Michele,
>>> > >
>>> > > GCC will use the gmp/mpfr/mpc in-tree without issue. I do it quite a
>>> > > bit
>>> > > with my own cross-compiles. Just make sure you follow the GCC
>>> > > installation
>>> > > documentation regarding gmp/mpfr/mpc at:
>>> > >
>>> > > https://gcc.gnu.org/install/prerequisites.html
>>> > >
>>> > > Also, since this mailing list is specific to the CLFS books, you may
>>> > > wish
>>> > > to mention which book you are following as a guide for the musl
>>> > > cross-toolchain build.
>>> >
>>> > I'm following CLFS-Embedded (Development)
>>>
>>>
>>> You _say_ here that you are 'following' clfs-embedded-dev ... tho'
>>> don't say _which_ variant of it ...
>>>
>>
>> CLFS-EMBEDDED GIT-20161228-X86
>>
>>>
>>> >
>>> > >
>>> > > Sincerely,
>>> > >
>>> > > William
>>> >
>>> > To compile GCC (the first pass) first I export some variables
>>> >
>>> > export CC="i486-linux-musl-gcc -static -Wl,-Bstatic -static-libgcc"
>>> > export CXX="i486-linux-musl-g++ -static -Wl,-Bstatic -static-libgcc"
>>> >
>>> > This should make the gcc executable static
>>> >
>>> > ../gcc-6.2.0/configure \
>>> > --prefix=/home/michele/tmp/musl-native-toolchain/output \
>>> > --build=x86_64-linux-gnu \
>>> > --host=i486-linux-musl \
>>> > --target=i486-linux-musl \
>>> > --disable-nls \
>>> > --disable-shared \
>>> > --without-headers \
>>> > --with-newlib \
>>> > --disable-decimal-float \
>>> > --disable-libgomp \
>>> > --disable-libmudflap \
>>> > --disable-libssp \
>>> > --disable-libatomic \
>>> > --disable-libquadmath \
>>> > --disable-threads \
>>> > --enable-languages=c \
>>> > --disable-multilib \
>>> >
>>>
>>>
>>> ... but here you are _clearly_ _not_ 'following' clfs-embedded-dev:
>>> where, e.g., are the mpfr/mpc/gmp .
>>
>> What I wanted to do in the first place was to install libgmp libmpfr and
>> libmpc inside the toolchain so that it could be used to build a static gcc
>> binary
>>
>>>
>>>
>>> > then I give the commands
>>> >
>>> > make all-gcc all-target-libgcc
>>> >
>>> >
>>> > but the compile process fails with this error
>>> >
>>> > # If this is the top-level multilib, build all the other
>>> > # multilibs.
>>> > i486-linux-musl-gcc -g -O2 -O2 -g -O2 -DIN_GCC -W -Wall
>>> > -Wno-narrowing -Wwrite-strings -Wcast-qual -Wstrict-prototypes
>>> > -Wmissing-prototypes -Wold-style-definition -isystem ./include
>>> > -fpic -mlong-double-80 -DUSE_ELF_SYMVER -g -DIN_LIBGCC2
>>> > -fbuilding-libgcc -fno-stack-protector -Dinhibit_libc -fpic
>>> > -mlong-double-80 -DUSE_ELF_SYMVER -I. -I. -I../.././gcc
>>> > -I../../../gcc-6.2.0/libgcc -I../../../gcc-6.2.0/libgcc/.
>>> > -I../../../gcc-6.2.0/libgcc/../gcc
>>> > -I../../../gcc-6.2.0/libgcc/../include
>>> > -I../../../gcc-6.2.0/libgcc/../libdecnumber/no
>>> > -I../../../gcc-6.2.0/libgcc/../libdecnumber -DHAVE_CC_TLS -DUSE_TLS
>>> > -o decLibrary.o -MT decLibrary.o -MD -MP -MF decLibrary.dep -c
>>> > ../../../gcc-6.2.0/libgcc/../libdecnumber/decLibrary.c
>>> > ../../../gcc-6.2.0/libgcc/../libdecnumber/decLibrary.c:27:24: fatal
>>> > error: decimal128.h: No such file or directory
>>> > #include "decimal128.h"
>>> > ^
>>> > compilation terminated.
>>> > Makefile:612: set di istruzioni per l'obiettivo "decLibrary.o" non
>>> > riuscito
>>> > make[1]: *** [decLibrary.o] Errore 1
>>> > make[1]: uscita dalla directory
>>> > "/home/michele/tmp/musl-native-toolchain/obj-gcc/i486-linux-musl/libgcc"
>>> > Makefile:12314: set di istruzioni per l'obiettivo "all-target-libgcc"
>>> > non riuscito
>>> > make: *** [all-target-libgcc] Errore 2
>>> >
>>> > I don't use the sysroot so I can move the toolchain in a different
>>> > directory without breaking it. Yes I know that the host and target
>>> > swith are the same..I want to obtain a compiler like the one that is
>>> > used to create a CLFS temporary system.
>>> >
>>> >
>>> > See Here:
>>> > http://www.clfs.org/view/CLFS-3.0.0-SYSVINIT/x86/temp-system/gcc.html
>>> >
>>>
>>>
>>> ... and now you're referring to a non-embedded, non-dev book.
>>>
>>>
>>> >
>>> > Any help? Thanks
>>> >
>>>
>>>
>>> Are you trying to follow clfs-embedded-dev-x86, but are trying to do
>>> mpfr/mpc/gmp as separate steps from gcc ?
>>
>> See above
>>
>>>
>>>
>>> Have you built clfs-embedded-dev-x86 as-is, from start to end, at least
>>> once successfully yet, prior to any deviations from the book?
>>>
>> Yes
>>>
>> -- Michele _______________________________________________
>>> Clfs-support mailing list
>>> Clfs-support at lists.clfs.org
>>> http://lists.clfs.org/listinfo.cgi/clfs-support-clfs.org
>
> My Original problem was this:
>
> I'm having problems building MPC for the same reason: the
> configure is like this:
>
> ../mpc-1.0.3/configure --host=i486-linux-musl
> --build=x86_64-linux-gnu
> --prefix=/home/michele/tmp/musl-native-toolchain/native/i486-linux-musl/
>
> but instead of giving me a i486-linux-musl compatible library it
> creates one that is compatible with my host system
I've solved the problem with the libraries but the problem while
compiling the host-x-host compiler still persists
i486-linux-musl-gcc -g -O2 -O2 -g -O2 -DIN_GCC -W -Wall
-Wno-narrowing -Wwrite-strings -Wcast-qual -Wstrict-prototypes
-Wmissing-prototypes -Wold-style-definition -isystem ./include
-fpic -mlong-double-80 -DUSE_ELF_SYMVER -g -DIN_LIBGCC2
-fbuilding-libgcc -fno-stack-protector -Dinhibit_libc -fpic
-mlong-double-80 -DUSE_ELF_SYMVER -I. -I. -I../.././gcc
-I../../../gcc-src/libgcc -I../../../gcc-src/libgcc/.
-I../../../gcc-src/libgcc/../gcc -I../../../gcc-src/libgcc/../include
-I../../../gcc-src/libgcc/../libdecnumber/no
-I../../../gcc-src/libgcc/../libdecnumber -DHAVE_CC_TLS -DUSE_TLS -o
decLibrary.o -MT decLibrary.o -MD -MP -MF decLibrary.dep -c
../../../gcc-src/libgcc/../libdecnumber/decLibrary.c
../../../gcc-src/libgcc/../libdecnumber/decLibrary.c:27:24: fatal
error: decimal128.h: No such file or directory
#include "decimal128.h"
^
compilation terminated.
Makefile:612: set di istruzioni per l'obiettivo "decLibrary.o" non riuscito
make[1]: *** [decLibrary.o] Errore 1
make[1]: uscita dalla directory
"/home/michele/tmp/musl-native-toolchain/2-obj-gcc/i486-linux-musl/libgcc"
Makefile:11384: set di istruzioni per l'obiettivo "all-target-libgcc"
non riuscito
make: *** [all-target-libgcc] Errore 2
real 44m24.826s
user 41m21.180s
sys 1m31.216s
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