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* updated *crt1* linking logic for OS X 10.8+:

Browse Source 
o don't link by default
   o when generating profiling info, link gcrt1.o and specify "-no_new_main"
     linker parameter
  * don't use version-specific crt1.o files when targetting the
    iPhoneSimulator platform
  * don't link a crt1.o file when targetting iOS 6 or later
  (all info from
   http://llvm.org/svn/llvm-project/cfe/trunk/lib/Driver/Tools.cpp )

git-svn-id: trunk@25789 -
This commit is contained in:
Jonas Maebe 2013-10-14 21:38:38 +00:00
parent 2b1a077b98
commit a28917086b
1 changed files with 28 additions and 16 deletions
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44
compiler/systems/t_bsd.pas
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@ -230,6 +230,9 @@ begin
begin
if not(cs_profile in current_settings.moduleswitches) then
begin
{ 10.8 and later: no crt1.* }
if CompareVersionStrings(MacOSXVersionMin,'10.8')>=0 then
exit('');
{ x86: crt1.10.6.o -> crt1.10.5.o -> crt1.o }
{ others: crt1.10.5 -> crt1.o }
{$if defined(i386) or defined(x86_64)}
@ -238,17 +241,28 @@ begin
{$endif}
if CompareVersionStrings(MacOSXVersionMin,'10.5')>=0 then
exit('crt1.10.5.o');
{ iOS/simulator: crt1.3.1.o -> crt1.o }
{$if defined(i386) or defined(arm)}
if {$ifdef i386}(target_info.system=system_i386_iphonesim) and{$endif}
(CompareVersionStrings(iPhoneOSVersionMin,'3.1')>=0) then
exit('crt1.3.1.o');
{$if defined(arm)}
{ iOS:
iOS 6 and later: nothing
iOS 3.1 - 5.x: crt1.3.1.o
pre-iOS 3.1: crt1.o
}
if (CompareVersionStrings(iPhoneOSVersionMin,'6.0')>=0) then
exit('');
if (CompareVersionStrings(iPhoneOSVersionMin,'3.1')>=0) then
exit('crt1.3.1.o');
{$endif}
{ nothing special -> default }
result:='crt1.o';
end
else
result:='gcrt1.o';
begin
result:='gcrt1.o';
{ 10.8 and later: tell the linker to use 'start' instead of "_main"
as entry point }
if CompareVersionStrings(MacOSXVersionMin,'10.8')>=0 then
Info.ExeCmd[1]:=Info.ExeCmd[1]+' -no_new_main';
end;
end
else
begin
@ -258,11 +272,10 @@ begin
>= 10.6: nothing }
if CompareVersionStrings(MacOSXVersionMin,'10.6')>=0 then
exit('');
{ iOS/simulator: < 3.1: bundle1.o
>= 3.1: nothing }
{$if defined(i386) or defined(arm)}
if {$ifdef i386}(target_info.system=system_i386_iphonesim) and{$endif}
(CompareVersionStrings(iPhoneOSVersionMin,'3.1')>=0) then
{ iOS: < 3.1: bundle1.o
>= 3.1: nothing }
{$if defined(arm)}
if (CompareVersionStrings(iPhoneOSVersionMin,'3.1')>=0) then
exit('');
{$endif}
result:='bundle1.o';
@ -277,11 +290,10 @@ begin
exit('');
if CompareVersionStrings(MacOSXVersionMin,'10.5')>=0 then
exit('dylib1.10.5.o');
{ iOS/simulator: < 3.1: dylib1.o
>= 3.1: nothing }
{$if defined(i386) or defined(arm)}
if {$ifdef i386}(target_info.system=system_i386_iphonesim) and{$endif}
(CompareVersionStrings(iPhoneOSVersionMin,'3.1')>=0) then
{ iOS: < 3.1: dylib1.o
>= 3.1: nothing }
{$if defined(arm)}
if (CompareVersionStrings(iPhoneOSVersionMin,'3.1')>=0) then
exit('');
{$endif}
result:='dylib1.o';