Art Haas <ah...@impactweather.com> writes:
> My bootstrap builds have been failing in the 'libgfortran' portion
> of the build since this patch:
>
> 2009-07-27 Tobias Burnus <bur...@net-b.de>
>
> PR fortran/40863
> * c99_functions.c: Define complex I, if not defined.
> Create prototypes for C99 functions to silence warnings.
> * gfortran.map: Add missing functions to GFORTRAN_C99_1.0
> and new GFORTRAN_C99_1.1.
>
> Here's the error message from the build log:
>
> libtool: compile: /export/home/arth/gnu/gcc-0730/./gcc/xgcc
> -B/export/home/arth/gnu/gcc-0730/./gcc/
> -B/export/home/arth/local/i386-pc-solaris2.10/bin/
> -B/export/home/arth/local/i386-pc-solaris2.10/lib/ -isystem
> /export/home/arth/local/i386-pc-solaris2.10/include -isystem
> /export/home/arth/local/i386-pc-solaris2.10/sys-include -DHAVE_CONFIG_H -I.
> -I/export/home/arth/gnu/gcc.git/libgfortran -I.
> -iquote/export/home/arth/gnu/gcc.git/libgfortran/io
> -I/export/home/arth/gnu/gcc.git/libgfortran/../gcc
> -I/export/home/arth/gnu/gcc.git/libgfortran/../gcc/config -I../.././gcc
> -D_GNU_SOURCE -std=gnu99 -Wall -Wstrict-prototypes -Wmissing-prototypes
> -Wold-style-definition -Wextra -Wwrite-strings -fcx-fortran-rules
> -ffunction-sections -fdata-sections -g -O2 -march=pentium4 -MT
> c99_functions.lo -MD -MP -MF .deps/c99_functions.Tpo -c
> /export/home/arth/gnu/gcc.git/libgfortran/intrinsics/c99_functions.c -fPIC
> -DPIC -o .libs/c99_functions.o
> /export/home/arth/gnu/gcc.git/libgfortran/intrinsics/c99_functions.c: In
> function 'casinf':
> /export/home/arth/gnu/gcc.git/libgfortran/intrinsics/c99_functions.c:1585:11:
> error: '_Imaginary_I' undeclared (first use in this function)
> /export/home/arth/gnu/gcc.git/libgfortran/intrinsics/c99_functions.c:1585:11:
> error: (Each undeclared identifier is reported only once
> /export/home/arth/gnu/gcc.git/libgfortran/intrinsics/c99_functions.c:1585:11:
> error: for each function it appears in.)
I've got the same problem on both Solaris 10/x86 and Solaris 11/SPARC (and
most likely, IRIX 6.5 will be affected, too). I've file PR
libfortran/41169 for the issue, assigned to Tobias.
It seems that the underlying issue is a problem in GCC's complex support on
Solaris 2, though.
Rainer
--
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Rainer Orth, Faculty of Technology, Bielefeld University
