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From: | "Ozkan Sezer (sezeroz AT gmail DOT com) [via djgpp AT delorie DOT com]" <djgpp AT delorie DOT com> |
Date: | Sat, 28 Jan 2023 16:40:27 +0300 |
Message-ID: | <CAA2C=vA9oS-V1r2D1J=0thzeebzusLTs10HsVdt7jxu0=BAw=w@mail.gmail.com> |
Subject: | Re: DXE3 with std::vector |
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>> > BTW, if I revert the patch and go back to the previous version, -lgcc >> > problem can be easily worked around when using a makefile, like: >> > LIBGCCDIR = $(dir $(shell $(CC) -print-libgcc-file-name)) >> > my.dxe: >> > dxe3gen -o my.dxe -E _sym -U $(OBJS) -L$(LIBGCCDIR) -lgcc >> > >> > I even created a documentation patch to dxegen.txi for it. Should we >> > really keep the patch in, or revert it? >> >> And it is unnecessary behavior change when there is actually a solution >> so I vote for reverting. > > Fine by me, thanks. OK then, will revert shortly. As for documentation, is the following good? Better wording? Index: dxegen.txi =================================================================== RCS file: /cvs/djgpp/djgpp/src/dxe/dxegen.txi,v retrieving revision 1.7 diff -u -r1.7 dxegen.txi --- dxegen.txi 26 Jun 2015 16:39:06 -0000 1.7 +++ dxegen.txi 28 Jan 2023 12:52:28 -0000 @@ -214,7 +214,17 @@ the module and so on. As a workaround, keep such names unexported by filtering exported names through @kbd{-E} option. +@item +Linking to gcc-provided libraries like libgcc may need special care, +because the linker may have no idea where libgcc.a is. One solution +to that when using a makefile is, retrieving the libgcc directory and +combining it with -L before -lgcc: @end itemize +@example +LIBGCCDIR = $(dir $(shell $(CC) -print-libgcc-file-name)) +my.dxe: + dxe3gen -o my.dxe -E _sym -U $(OBJS) -L$(LIBGCCDIR) -lgcc +@end example -*- The best way is to leave the symbols unresolved and resolve them at runtime. To tell @command{dxe3gen} to not fail on unresolved symbols, add the
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