Re: './build.sh tools' failed on earm

[Matt Thomas <matt%3am-software.com@localhost>]

On Jun 11, 2014, at 7:36 PM, KIYOHARA Takashi 
<kiyohara%kk.iij4u.or.jp@localhost> wrote:

> Hi!
> 
> 
> On my earm machine, build.sh became an error and I am already in trouble
> for a long time.
> I understood this problem at last.
> 
> ===> build.sh command:    ./build.sh -O obj tools
> ===> build.sh started:    Wed Jun 11 22:44:02 JST 2014
> ===> NetBSD version:      6.99.43
> ===> MACHINE:             evbarm
> ===> MACHINE_ARCH:        arm
> ===> Build platform:      NetBSD 6.99.41 evbarm
> :
> <snip>
> :
> dependall-gcc ===> .
> dependall ===> gcc
> :
> <snip>
> :
> checking for the correct version of the gmp/mpfr/mpc libraries... no
> configure: error: Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
> Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
> their locations.  Source code for these libraries can be found at
> their respective hosting sites as well as at
> ftp://gcc.gnu.org/pub/gcc/infrastructure/.  See also
> http://gcc.gnu.org/install/prerequisites.html for additional info.  If
> you obtained GMP, MPFR and/or MPC from a vendor distribution package,
> make sure that you have installed both the libraries and the header
> files.  They may be located in separate packages.
> :
> <snip>
> :
> 
> 
> ----------------
> 
> obj/tools/gcc/build/config.log:
> <snip>
> :
> configure:5650: cc -o conftest -O 
> -I/usr/src/obj/tooldir.NetBSD-6.99.41-evbarm/include 
> -I/usr/src/obj/tooldir.NetBSD-6.99.41-evbarm/include 
> -I/usr/src/obj/tooldir.NetBSD-6.99.41-evbarm/include    conftest.c  
> -L/usr/src/obj/tooldir.NetBSD-6.99.41-evbarm/lib 
> -L/usr/src/obj/tooldir.NetBSD-6.99.41-evbarm/lib 
> -L/usr/src/obj/tooldir.NetBSD-6.99.41-evbarm/lib -lmpc -lmpfr -lgmp >&5
> /usr/src/obj/tooldir.NetBSD-6.99.41-evbarm/lib/libgmp.a(powm_ui.o): In 
> function `__gmpz_powm_ui':
> powm_ui.c:(.text+0x4dc): undefined reference to `__gmpn_invert_limb'
> /usr/src/obj/tooldir.NetBSD-6.99.41-evbarm/lib/libgmp.a(divrem_1.o): In 
> function `__gmpn_divrem_1':
> divrem_1.c:(.text+0xb8): undefined reference to `__gmpn_invert_limb'
> divrem_1.c:(.text+0x2c0): undefined reference to `__gmpn_invert_limb'
> /usr/src/obj/tooldir.NetBSD-6.99.41-evbarm/lib/libgmp.a(divrem_2.o): In 
> function `__gmpn_divrem_2':
> divrem_2.c:(.text+0x6c): undefined reference to `__gmpn_invert_limb'
> /usr/src/obj/tooldir.NetBSD-6.99.41-evbarm/lib/libgmp.a(div_q.o): In function 
> `__gmpn_div_q':
> div_q.c:(.text+0x1d4): undefined reference to `__gmpn_invert_limb'
> /usr/src/obj/tooldir.NetBSD-6.99.41-evbarm/lib/libgmp.a(div_q.o):div_q.c:(.text+0x540):
>  more undefined references to `__gmpn_invert_limb' follow
> configure:5650: $? = 1
> configure: failed program was:
> | /* confdefs.h */
> | #define PACKAGE_NAME ""
> | #define PACKAGE_TARNAME ""
> | #define PACKAGE_VERSION ""
> | #define PACKAGE_STRING ""
> | #define PACKAGE_BUGREPORT ""
> | #define PACKAGE_URL ""
> | #define LT_OBJDIR ".libs/"
> | /* end confdefs.h.  */
> | #include <mpc.h>
> | int
> | main ()
> | {
> | 
> |     mpfr_t n;
> |     mpfr_t x;
> |     mpc_t c;
> |     int t;
> |     mpfr_init (n);
> |     mpfr_init (x);
> |     mpfr_atan2 (n, n, x, GMP_RNDN);
> |     mpfr_erfc (n, x, GMP_RNDN);
> |     mpfr_subnormalize (x, t, GMP_RNDN);
> |     mpfr_clear(n);
> |     mpfr_clear(x);
> |     mpc_init2 (c, 53);
> |     mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
> |     mpc_cosh (c, c, MPC_RNDNN);
> |     mpc_pow (c, c, c, MPC_RNDNN);
> |     mpc_acosh (c, c, MPC_RNDNN);
> |     mpc_clear (c);
> | 
> |   ;
> |   return 0;
> | }
> configure:5654: result: no
> configure:5675: error: Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 
> 0.8.0+.
> Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
> :
> <snip>
> 
> ----------------
> 
> hmm... :-<
> I look.
> 
>  $ nm obj/tooldir.NetBSD-6.99.41-evbarm/lib/libgmp.a | grep 
> __gmpn_invert_limb | sort -u
>         U __gmpn_invert_limb
> 
> 
> I found invert_limb.asm in under arm directory.
> 
>  $ find external/lgpl3/gmp/dist/mpn/arm -name invert_limb\*
>  external/lgpl3/gmp/dist/mpn/arm/invert_limb.asm
> 
> But I not found link to that in obj directory.  X-<
> 
>  $ ls obj/tools/gmp/build/mpn/*asm
>  ls: No match.
> 
> 
> I understood that the link to the asm file of MD could not be created
> in earm.  In earm, I think that the same processing as arm is required.
> 
> Index: configure
> ===================================================================
> RCS file: /cvsroot/src/external/lgpl3/gmp/dist/configure,v
> retrieving revision 1.3
> diff -u -r1.3 configure
> --- configure 29 Nov 2013 07:57:10 -0000      1.3
> +++ configure 11 Jun 2014 13:36:32 -0000
> @@ -4142,7 +4142,7 @@
>     ;;
> 
> 
> -  arm*-*-*)
> +  arm*-*-* | earm*-*-*)
>     gcc_cflags="$gcc_cflags $fomit_frame_pointer"
>     gcc_cflags_optlist="arch tune"
>     gcc_cflags_maybe="-marm"
> 
> 
> I was able to do building of tools in this fix.
> I do not understand in better method with this fix.
> For an earm user, I ask you for more better fix.
> 
> Thanks,
> --
> kiyohara

That's not the right fix.  I've updated configfsf.guess to do the right thing.
Can you please back it out?