Rework handling of asynchronous unwind tables compiler flag
This commit drops an overridden -fasynchronous-unwind-tables flag, which had no effect. We compile all of glibc with -fno-asynchronous-unwind-tables, so we can drop glibc-fedora-ppc-unwind.patch.
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@ -1,20 +0,0 @@
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glibc-2.3.3-1478-g37582bc
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* Thu Nov 30 2006 Jakub Jelinek <jakub@redhat.com> 2.5.90-9
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- on ppc64 build __libc_start_main without unwind info,
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as it breaks MD_FROB_UPDATE_CONTEXT (#217729, #217775; in the
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future that could be fixable just by providing .cfi_undefined r2
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in __libc_start_main instead)
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diff -Nrup a/sysdeps/powerpc/powerpc64/Makefile b/sysdeps/powerpc/powerpc64/Makefile
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--- a/sysdeps/powerpc/powerpc64/Makefile 2012-06-05 07:42:49.000000000 -0600
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+++ b/sysdeps/powerpc/powerpc64/Makefile 2012-06-07 12:15:21.828318633 -0600
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@@ -35,6 +35,8 @@ CFLAGS-rtld-memmove.os = $(no-special-re
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CFLAGS-rtld-memchr.os = $(no-special-regs)
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CFLAGS-rtld-strnlen.os = $(no-special-regs)
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+CFLAGS-libc-start.c += -fno-asynchronous-unwind-tables
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+
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ifeq ($(subdir),elf)
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# help gcc inline asm code from dl-machine.h
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+cflags += -finline-limit=2000
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@ -178,8 +178,6 @@ Source11: SUPPORTED
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# change this.
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Patch0001: glibc-fedora-nscd.patch
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Patch0004: glibc-fedora-ppc-unwind.patch
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# Build info files in the source tree, then move to the build
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# tree so that they're identical for multilib builds
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Patch0005: glibc-rh825061.patch
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@ -724,7 +722,6 @@ microbenchmark tests on the system.
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# Patch order matters.
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%patch0001 -p1
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%patch0004 -p1
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%patch0005 -p1
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%patch2007 -p1
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%patch0009 -p1
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@ -888,7 +885,6 @@ BuildFlags="-march=mips64r2 -mabi=64 -mrelax-pic-calls"
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##############################################################################
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# %%build - Generic options.
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##############################################################################
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BuildFlags="$BuildFlags -fasynchronous-unwind-tables"
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EnableKernel="--enable-kernel=%{enablekernel}"
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# Save the used compiler and options into the file "Gcc" for use later
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# by %%install.
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