https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112984
Bug ID: 112984
Summary: Compiling program with -Wpedantic shows warning in
libraries
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: modula2
Assignee: gaius at gcc dot gnu.org
Reporter: gaius at gcc dot gnu.org
Target Milestone: ---
Forwarded from the gm2 mailing list:
Consider the hello world program below:
MODULE test_hello;
FROM STextIO IMPORT WriteString, WriteLn;
BEGIN
WriteLn;
WriteString("Hello, World!");
WriteLn;
WriteLn;
END test_hello.
if compiled with -Wpedantic
gm2 -fiso -fsoft-check-all -Wpedantic test_hello.mod
/home/gaius/opt/lib/gcc/x86_64-pc-linux-gnu/14.0.0/m2/m2iso/SYSTEM.mod:31:1:
error: In implementation module ‘SYSTEM’: symbol (memcpy) has already been
imported
31 | CONST
| ^~~~~
/home/gaius/opt/lib/gcc/x86_64-pc-linux-gnu/14.0.0/m2/m2iso/M2RTS.mod:35:1:
error: In implementation module ‘M2RTS’: symbol (ADDRESS) has already been
imported
35 | FROM ASCII IMPORT nl, nul ;
| ^~~~
/home/gaius/opt/lib/gcc/x86_64-pc-linux-gnu/14.0.0/m2/m2iso/TextIO.mod:31:1:
error: In implementation module ‘TextIO’: symbol (IOChan) has already been
imported
31 | FROM SYSTEM IMPORT ADR ;
| ^~~~
/home/gaius/opt/lib/gcc/x86_64-pc-linux-gnu/14.0.0/m2/m2iso/IOChan.mod:32:1:
error: In implementation module ‘IOChan’: symbol (IOConsts) has already been
imported
32 | FROM EXCEPTIONS IMPORT ExceptionSource, RAISE, AllocateSource,
| ^~~~
/home/gaius/opt/lib/gcc/x86_64-pc-linux-gnu/14.0.0/m2/m2iso/IOLink.mod:31:1:
error: In implementation module ‘IOLink’: symbol (SYSTEM) has already been
imported
31 | FROM Storage IMPORT ALLOCATE, DEALLOCATE ;
| ^~~~
/home/gaius/opt/lib/gcc/x86_64-pc-linux-gnu/14.0.0/m2/m2iso/IOLink.mod:31:1:
error: symbol (IOChan) has already been imported
/home/gaius/opt/lib/gcc/x86_64-pc-linux-gnu/14.0.0/m2/m2iso/RTfio.mod:30:1:
error: In implementation module ‘RTfio’: symbol (DeviceTablePtr) has already
been imported
30 | FROM RTio IMPORT GetFile ;
| ^~~~
/home/gaius/opt/lib/gcc/x86_64-pc-linux-gnu/14.0.0/m2/m2iso/RTgen.mod:35:1:
error: In implementation module ‘RTgen’: symbol (DeviceTablePtr) has already
been imported
35 | IMPORT ChanConsts ;
| ^~~~~~
/home/gaius/opt/lib/gcc/x86_64-pc-linux-gnu/14.0.0/m2/m2iso/RTgen.mod:46:1:
error: symbol (doWBytes) has already been imported
46 | FROM ChanConsts IMPORT FlagSet, readFlag, writeFlag, rawFlag,
| ^~~~
/home/gaius/opt/lib/gcc/x86_64-pc-linux-gnu/14.0.0/m2/m2iso/RTgen.mod:46:1:
error: symbol (GenDevIF) has already been imported
/home/gaius/opt/lib/gcc/x86_64-pc-linux-gnu/14.0.0/m2/m2iso/TextUtil.mod:9:1:
error: In implementation module ‘TextUtil’: symbol (IOChan) has already been
imported
9 | PROCEDURE SkipSpaces (cid: IOChan.ChanId) ;
| ^~~~~~~~~
/home/gaius/opt/lib/gcc/x86_64-pc-linux-gnu/14.0.0/m2/m2pim/Indexing.mod:33:1:
error: In implementation module ‘Indexing’: symbol (ADDRESS) has already been
imported
33 | CONST
shows many warnings in the libraries (and it looks as if an error should be a
warning possibly).
