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Description: remove -f*-prefix-map options from .ali files
The -f(file|debug|macro)-prefix-map=OLD=NEW options
added by revision 256847
explicitly ask that OLD is never written.
Forwarded: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87972
Author: Nicolas Boulenguez <nicolas@debian.org>
--- a/src/gcc/ada/lib-writ.adb
+++ b/src/gcc/ada/lib-writ.adb
@@ -1223,10 +1223,22 @@ package body Lib.Writ is
-- Write command argument ('A') lines
for A in 1 .. Compilation_Switches.Last loop
- Write_Info_Initiate ('A');
- Write_Info_Char (' ');
- Write_Info_Str (Compilation_Switches.Table (A).all);
- Write_Info_Terminate;
+ -- The -f(file|debug|macro)-prefix-map=OLD=NEW options
+ -- explicitly ask that OLD is never written.
+ declare
+ S : String renames Compilation_Switches.Table (A).all;
+ begin
+ if S'Length < 19 --
+ or else (S (S'First .. S'First + 18) /= "-fdebug-prefix-map="
+ and S (S'First .. S'First + 17) /= "-ffile-prefix-map="
+ and S (S'First .. S'First + 18) /= "-fmacro-prefix-map=")
+ then
+ Write_Info_Initiate ('A');
+ Write_Info_Char (' ');
+ Write_Info_Str (S);
+ Write_Info_Terminate;
+ end if;
+ end;
end loop;
-- Output parameters ('P') line
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