There are warnings when build libgfortran:
$grep warning buildlog
[snip]
../../../gcc/libgfortran/generated/matmul_i4.c:102: warning: passing argument 1
../../../gcc/libgfortran/generated/matmul_i4.c:185: warning: passing argument 1
../../../gcc/libgfortran/generated/matmul_i4.c:185: warning: passing argument 1
../../../gcc/libgfortran/generated/matmul_i4.c:185: warning: passing argument 1
../../../gcc/libgfortran/generated/matmul_i4.c:185: warning: passing argument 1
../../../gcc/libgfortran/generated/matmul_i4.c:185: warning: passing argument 1
../../../gcc/libgfortran/generated/matmul_i4.c:185: warning: passing argument 1
../../../gcc/libgfortran/generated/matmul_i8.c:102: warning: passing argument 1
../../../gcc/libgfortran/generated/matmul_i8.c:185: warning: passing argument 1
../../../gcc/libgfortran/generated/matmul_i8.c:185: warning: passing argument 1
../../../gcc/libgfortran/generated/matmul_i8.c:185: warning: passing argument 1
../../../gcc/libgfortran/generated/matmul_i8.c:185: warning: passing argument 1
../../../gcc/libgfortran/generated/matmul_i8.c:185: warning: passing argument 1
../../../gcc/libgfortran/generated/matmul_i8.c:185: warning: passing argument 1
../../../gcc/libgfortran/generated/matmul_r4.c:102: warning: passing argument 1
../../../gcc/libgfortran/generated/matmul_r4.c:185: warning: passing argument 1
../../../gcc/libgfortran/generated/matmul_r4.c:185: warning: passing argument 1
../../../gcc/libgfortran/generated/matmul_r4.c:185: warning: passing argument 1
../../../gcc/libgfortran/generated/matmul_r4.c:185: warning: passing argument 1
../../../gcc/libgfortran/generated/matmul_r4.c:185: warning: passing argument 1
../../../gcc/libgfortran/generated/matmul_r4.c:185: warning: passing argument 1
../../../gcc/libgfortran/generated/matmul_r8.c:102: warning: passing argument 1
../../../gcc/libgfortran/generated/matmul_r8.c:185: warning: passing argument 1
../../../gcc/libgfortran/generated/matmul_r8.c:185: warning: passing argument 1
../../../gcc/libgfortran/generated/matmul_r8.c:185: warning: passing argument 1
../../../gcc/libgfortran/generated/matmul_r8.c:185: warning: passing argument 1
../../../gcc/libgfortran/generated/matmul_r8.c:185: warning: passing argument 1
../../../gcc/libgfortran/generated/matmul_r8.c:185: warning: passing argument 1
../../../gcc/libgfortran/generated/matmul_c4.c:102: warning: passing argument 1
../../../gcc/libgfortran/generated/matmul_c4.c:185: warning: passing argument 1
../../../gcc/libgfortran/generated/matmul_c4.c:185: warning: passing argument 1
../../../gcc/libgfortran/generated/matmul_c4.c:185: warning: passing argument 1
../../../gcc/libgfortran/generated/matmul_c4.c:185: warning: passing argument 1
../../../gcc/libgfortran/generated/matmul_c4.c:185: warning: passing argument 1
../../../gcc/libgfortran/generated/matmul_c4.c:185: warning: passing argument 1
../../../gcc/libgfortran/generated/matmul_c8.c:102: warning: passing argument 1
../../../gcc/libgfortran/generated/matmul_c8.c:185: warning: passing argument 1
../../../gcc/libgfortran/generated/matmul_c8.c:185: warning: passing argument 1
../../../gcc/libgfortran/generated/matmul_c8.c:185: warning: passing argument 1
../../../gcc/libgfortran/generated/matmul_c8.c:185: warning: passing argument 1
../../../gcc/libgfortran/generated/matmul_c8.c:185: warning: passing argument 1
../../../gcc/libgfortran/generated/matmul_c8.c:185: warning: passing argument 1
../../../gcc/libgfortran/generated/transpose_i4.c:66: warning: passing argument
../../../gcc/libgfortran/generated/transpose_i8.c:66: warning: passing argument
../../../gcc/libgfortran/generated/transpose_c4.c:66: warning: passing argument
../../../gcc/libgfortran/generated/transpose_c8.c:66: warning: passing argument
../../../gcc/libgfortran/generated/eoshift1_4.c:61: warning: 'soffset' may be
us
../../../gcc/libgfortran/generated/eoshift1_4.c:73: warning: 'len' may be used
u
../../../gcc/libgfortran/generated/eoshift1_4.c:55: warning: 'roffset' may be
us
../../../gcc/libgfortran/generated/eoshift1_8.c:61: warning: 'soffset' may be
us
../../../gcc/libgfortran/generated/eoshift1_8.c:73: warning: 'len' may be used
u
../../../gcc/libgfortran/generated/eoshift1_8.c:55: warning: 'roffset' may be
us
../../../gcc/libgfortran/generated/eoshift3_4.c:75: warning: 'len' may be used
u
../../../gcc/libgfortran/generated/eoshift3_4.c:59: warning: 'soffset' may be
us
../../../gcc/libgfortran/generated/eoshift3_4.c:53: warning: 'roffset' may be
us
../../../gcc/libgfortran/generated/eoshift3_8.c:75: warning: 'len' may be used
u
../../../gcc/libgfortran/generated/eoshift3_8.c:59: warning: 'soffset' may be
us
../../../gcc/libgfortran/generated/eoshift3_8.c:53: warning: 'roffset' may be
us
../../../gcc/libgfortran/io/list_read.c:2187: warning: missing braces around
ini
../../../gcc/libgfortran/io/list_read.c:2187: warning: (near initialization for
../../../gcc/libgfortran/io/list_read.c:2188: warning: missing braces around
ini
../../../gcc/libgfortran/io/list_read.c:2188: warning: (near initialization for
../../../gcc/libgfortran/io/list_read.c:2025: warning: 'first_nl' may be used
un
../../../gcc/libgfortran/io/list_read.c:2026: warning: 'root_nl' may be used
uni
../../../gcc/libgfortran/intrinsics/eoshift0.c:50: warning: 'roffset' may be
use
../../../gcc/libgfortran/intrinsics/eoshift0.c:64: warning: 'len' may be used
un
../../../gcc/libgfortran/intrinsics/eoshift0.c:56: warning: 'soffset' may be
use
../../../gcc/libgfortran/intrinsics/eoshift2.c:68: warning: 'len' may be used
un
../../../gcc/libgfortran/intrinsics/eoshift2.c:56: warning: 'soffset' may be
use
../../../gcc/libgfortran/intrinsics/eoshift2.c:50: warning: 'roffset' may be
use
../../../gcc/libgfortran/intrinsics/spread_generic.c:48: warning: 'rdelta' may
b
../../../gcc/libgfortran/intrinsics/rename.c:61: warning: implicit declaration
o
../../../gcc/libgfortran/intrinsics/rename.c:61: warning: incompatible implicit
../../../gcc/libgfortran/intrinsics/rename.c:68: warning: implicit declaration
o
../../../gcc/libgfortran/intrinsics/rename.c:94: warning: incompatible implicit
../../../gcc/libgfortran/intrinsics/unpack_generic.c:194: warning: passing
argum
[snip]
--
Summary: Warnings when building libgfortran
Product: gcc
Version: 4.0.2
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libfortran
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: fengwang at gcc dot gnu dot org
CC: gcc-bugs at gcc dot gnu dot org
GCC host triplet: i686-pc-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22423
