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re PR target/67172 (i686-w64-mingw32 dwarf2 bootstrap fails with undefined reference to __EH_FRAME_BEGIN__) 

PR target/67172
	* libgcc2.c (L__main): Undefine __LIBGCC_EH_FRAME_SECTION_NAME__ if
	__MINGW32__ is defined.

From-SVN: r234728
This commit is contained in:
Eric Botcazou 2016-04-04 22:29:45 +00:00 committed by Eric Botcazou
parent b77a97a38f
commit aa9e26b1be
2 changed files with 12 additions and 1 deletions
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6
libgcc/ChangeLog
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@ -1,3 +1,9 @@
2016-04-04 Eric Botcazou <ebotcazou@adacore.com>
PR target/67172
* libgcc2.c (L__main): Undefine __LIBGCC_EH_FRAME_SECTION_NAME__ if
__MINGW32__ is defined.
2016-03-21 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> 2016-03-21 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
Backport from mainline Backport from mainline

7
libgcc/libgcc2.c
View File

@ -2209,7 +2209,12 @@ TRANSFER_FROM_TRAMPOLINE
#if !defined (HAS_INIT_SECTION) || !defined (OBJECT_FORMAT_ELF) #if !defined (HAS_INIT_SECTION) || !defined (OBJECT_FORMAT_ELF)
/* Some ELF crosses use crtstuff.c to provide __CTOR_LIST__, but use this /* Some ELF crosses use crtstuff.c to provide __CTOR_LIST__, but use this
code to run constructors. In that case, we need to handle EH here, too. */ code to run constructors. In that case, we need to handle EH here, too.
But MINGW32 is special because it handles CRTSTUFF and EH on its own. */
#ifdef __MINGW32__
#undef __LIBGCC_EH_FRAME_SECTION_NAME__
#endif
#ifdef __LIBGCC_EH_FRAME_SECTION_NAME__ #ifdef __LIBGCC_EH_FRAME_SECTION_NAME__
#include "unwind-dw2-fde.h" #include "unwind-dw2-fde.h"