gfortran won't build on AIX 4.3.3 as it doesn't have weak support:
...
/opt/build/gcc-4.1.2-objdir/./gcc/xgcc -B/opt/build/gcc-4.1.2-objdir/./gcc/
-B/o
pt/TWWfsw/gcc41/powerpc-ibm-aix4.3.3.0/bin/
-B/opt/TWWfsw/gcc41/powerpc-ibm-aix4
.3.3.0/lib/ -isystem /opt/TWWfsw/gcc41/powerpc-ibm-aix4.3.3.0/include -isystem
/
opt/TWWfsw/gcc41/powerpc-ibm-aix4.3.3.0/sys-include -DHAVE_CONFIG_H -I.
-I/opt/b
uild/gcc-4.1.2/libgfortran -I. -iquote/opt/build/gcc-4.1.2/libgfortran/io
-I/opt
/build/gcc-4.1.2/libgfortran/../gcc
-I/opt/build/gcc-4.1.2/libgfortran/../gcc/co
nfig -I../../.././gcc -D_GNU_SOURCE -std=gnu99 -Wall -Wstrict-prototypes
-Wmissi
ng-prototypes -Wold-style-definition -Wextra -Wwrite-strings -O2 -g -O2
-pthread
-c /opt/build/gcc-4.1.2/libgfortran/runtime/environ.c -DPIC -o
.libs/environ.
o
In file included from /opt/build/gcc-4.1.2/libgfortran/../gcc/gthr-aix.h:33,
from ../../.././gcc/gthr-default.h:1,
from /opt/build/gcc-4.1.2/libgfortran/../gcc/gthr.h:114,
from /opt/build/gcc-4.1.2/libgfortran/runtime/../io/io.h:36,
from /opt/build/gcc-4.1.2/libgfortran/runtime/environ.c:37:
/opt/build/gcc-4.1.2/libgfortran/../gcc/gthr-posix.h:92: warning: weak
declarati
on of '__gthrw_pthread_once' not supported
/opt/build/gcc-4.1.2/libgfortran/../gcc/gthr-posix.h:93: warning: weak
declarati
on of '__gthrw_pthread_getspecific' not supported
/opt/build/gcc-4.1.2/libgfortran/../gcc/gthr-posix.h:94: warning: weak
declarati
on of '__gthrw_pthread_setspecific' not supported
/opt/build/gcc-4.1.2/libgfortran/../gcc/gthr-posix.h:95: warning: weak
declarati
on of '__gthrw_pthread_create' not supported
/opt/build/gcc-4.1.2/libgfortran/../gcc/gthr-posix.h:96: warning: weak
declarati
on of '__gthrw_pthread_cancel' not supported
...
I am building with --enable-threads.
--
Summary: Unable to build on AIX 4.3.3
Product: gcc
Version: 4.1.2
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: bugzilla-gcc at thewrittenword dot com
GCC build triplet: powerpc-ibm-aix4.3.3.0
GCC host triplet: powerpc-ibm-aix4.3.3.0
GCC target triplet: powerpc-ibm-aix4.3.3.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33090
