[Bug libc/13411] glibc fails to build with gcc 4.7

[matz at suse dot de]

http://sourceware.org/bugzilla/show_bug.cgi?id=13411

--- Comment #1 from Michael Matz <matz at suse dot de> 2011-11-15 15:48:12 UTC ---
This patch (removing some -fexceptions, but retaining the unwind tables)
lets me build current git glibc without adverse effects on the testsuite:

diff --git a/elf/Makefile b/elf/Makefile
index f20f52d..3fe9f06 100644
--- a/elf/Makefile
+++ b/elf/Makefile
@@ -126,8 +126,8 @@ distribute  := rtld-Rules \
                   tst-initorder.c \
                   tst-initorder2.c

-CFLAGS-dl-runtime.c = -fexceptions -fasynchronous-unwind-tables
-CFLAGS-dl-lookup.c = -fexceptions -fasynchronous-unwind-tables
+CFLAGS-dl-runtime.c = -fasynchronous-unwind-tables
+CFLAGS-dl-lookup.c = -fasynchronous-unwind-tables
 CFLAGS-dl-iterate-phdr.c = $(uses-callbacks)

 include ../Makeconfig
diff --git a/io/Makefile b/io/Makefile
index 0f3b555..c905823 100644
--- a/io/Makefile
+++ b/io/Makefile
@@ -76,7 +76,7 @@ distribute    := ftwtest-sh

 include ../Rules

-CFLAGS-fcntl.c = -fexceptions -fasynchronous-unwind-tables
+CFLAGS-fcntl.c = -fasynchronous-unwind-tables
 CFLAGS-poll.c = -fexceptions -fasynchronous-unwind-tables
 CFLAGS-ppoll.c = -fexceptions -fasynchronous-unwind-tables
 CFLAGS-lockf.c = -fexceptions

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