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Use -fno-asynchronous-unwind-tables to compile lib/csu

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Summary:
In r209294 kib added -fno-asynchronous-unwind-tables to the compile
flags for the GNU C startup components. This was done to work around a
BFD ld assertion, "no .eh_frame_hdr table will be created", which is
produced because of the layout of the startup objects.

Add the same flag to lib/csu too, for the same reason. And similarly to
r209294, also add -fno-omit-frame-pointer.

This is primarily meant to quickly MFC to stable/11, so it can end up in
the 11.4 release, as a fix for https://bugs.freebsd.org/246322.

PR:		246322
MFC after:	3 days
Differential Revision: https://reviews.freebsd.org/D24797
This commit is contained in:
Dimitry Andric 2020-05-11 19:36:38 +00:00
parent 6043ac201a
commit 28845ae1ab
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=360915
1 changed files with 3 additions and 0 deletions
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3
lib/csu/Makefile.inc
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@ -13,6 +13,9 @@ NO_WMISSING_VARIABLE_DECLARATIONS=
OBJS+= crtbegin.o crtbeginS.o crtbeginT.o
OBJS+= crtend.o crtendS.o
CFLAGS+= -fno-asynchronous-unwind-tables
CFLAGS+= -fno-omit-frame-pointer
CFLAGS_CRTS= -DSHARED ${PICFLAG}
crtbegin.o: crtbegin.c