fpc/packages/base/gdbint/gdbver.pp
fpc 790a4fe2d3 * log and id tags removed
git-svn-id: trunk@42 -
2005-05-21 09:42:41 +00:00

97 lines
2.3 KiB
ObjectPascal

{
Program to detect the version of libgdb that will be
used for linking
}
program find_gdb_version;
{$R-}
{$ifdef unix}
{$Linklib c}
{$endif}
{$Linklib gdb}
uses
strings;
const
{$ifdef OpenBSD}
ver_name = '_version';
{$else}
{$ifdef unix}
ver_name = 'version';
{$else not unix}
ver_name = '_version';
{$endif}
{$endif}
{ This variable should be change with
change in GDB CVS PM }
Current_cvs_version : longint = 503;
Max_version_length = 255;
var
v5_version : array[0..0] of char;external name ver_name;
version : pchar;
subver_str : string;
i, version_number,
subversion_number : longint;
subsubversion_number : longint;
error : word;
only_ver : boolean;
begin
only_ver:=(Paramcount>0) and (ParamStr(1)='-n');
getmem(version,Max_version_length+1);
strlcopy(version,@v5_version,Max_version_length);
version[Max_version_length]:=#0;
if (version[0] in ['4','5','6','7','8','9']) and (version[1]='.') then
begin
if not only_ver then
Writeln('GDB version is ',pchar(@v5_version));
version_number:=ord(version[0])-ord('0');
i:=2;
subver_str:='';
while version[i] in ['0'..'9'] do
begin
subver_str:=subver_str+version[i];
inc(i);
end;
val(subver_str,subversion_number,error);
inc(i);
subver_str:='';
while version[i] in ['0'..'9'] do
begin
subver_str:=subver_str+version[i];
inc(i);
end;
if subver_str<>'' then
val(subver_str,subsubversion_number,error);
{ 5.02.90 is a pretest of 5.03.. PM }
if subsubversion_number>=90 then
inc(subversion_number);
if (error=0) and (subversion_number>=0) and
(subversion_number<=99) then
version_number:=version_number*100+subversion_number;
end
else if (version[0]='2') and (version[1]='0') and
(version[2] in ['0'..'9']) and (version[3] in ['0'..'9']) then
begin
{ CVS version from 2000 to 2099,
assume current_cvs_version PM }
version_number:=Current_cvs_version;
end
else
begin
if not only_ver then
Writeln('Unsupported GDB version');
version_number:=0;
end;
freemem(version,Max_version_length+1);
if only_ver then
Write(version_number);
Halt(version_number);
end.