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glibc-2.24.90-31

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- Fix builds with GCC 7.0.
This commit is contained in:
Carlos O'Donell 2017-02-08 16:17:57 -05:00
parent 7061f72715
commit ad7685d113
2 changed files with 45 additions and 1 deletions
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37
glibc-gcc-strict-overflow.patch Normal file
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@ -0,0 +1,37 @@
Builds with gcc 7.0 fail with:
../test-skeleton.c: In function ‘legacy_test_function’:
cc1: error: assuming signed overflow does not occur when \
assuming that (X - c) <= X is always true [-Werror=strict-overflow]
Ignoring this warning until the test or compiler is adjusted.
Disabled with -Wno-strict-overflow. Attempted -Wstrict-overflow=1,
but it still results in the same warning.
Index: glibc-2.24-661-g5653ab1/string/Makefile
===================================================================
--- glibc-2.24-661-g5653ab1.orig/string/Makefile
+++ glibc-2.24-661-g5653ab1/string/Makefile
@@ -71,7 +71,9 @@ include ../Rules
CFLAGS-inl-tester.c = -fno-builtin
CFLAGS-noinl-tester.c = -fno-builtin
CFLAGS-tst-strlen.c = -fno-builtin
-CFLAGS-stratcliff.c = -fno-builtin
+# Added '-Wno-strict-overflow' for gcc 7.0 until the test or compiler
+# is adjusted.
+CFLAGS-stratcliff.c = -fno-builtin -Wno-strict-overflow
CFLAGS-test-ffs.c = -fno-builtin
CFLAGS-tst-inlcall.c = -fno-builtin
CFLAGS-tst-xbzero-opt.c = -O3
Index: glibc-2.24-661-g5653ab1/wcsmbs/Makefile
===================================================================
--- glibc-2.24-661-g5653ab1.orig/wcsmbs/Makefile
+++ glibc-2.24-661-g5653ab1/wcsmbs/Makefile
@@ -102,3 +102,7 @@ CPPFLAGS += $(libio-mtsafe)
CPPFLAGS-wcstold_l.c = -I../stdlib
$(objpfx)tst-wcstod-nan-locale: $(libm)
+
+# Added '-Wno-strict-overflow' for gcc 7.0 until the test or compiler
+# is adjusted.
+CFLAGS-wcsatcliff.c = -Wno-strict-overflow

9
glibc.spec
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@ -1,6 +1,6 @@
%define glibcsrcdir glibc-2.24-661-g5653ab1
%define glibcversion 2.24.90
%define glibcrelease 30%{?dist}
%define glibcrelease 31%{?dist}
# Pre-release tarballs are pulled in from git using a command that is
# effectively:
#
@ -251,6 +251,9 @@ Patch0059: glibc-c-utf8-locale.patch
# Build libcrypt twice, with and without NSS.
Patch0060: glibc-rh1324623.patch
# Fix -Wstrict-overflow issues with gcc 7.0.
Patch0061: glibc-gcc-strict-overflow.patch
##############################################################################
#
# Patches from upstream
@ -862,6 +865,7 @@ microbenchmark tests on the system.
%patch2037 -p1
%patch2110 -p1
%patch2112 -p1
%patch0061 -p1
##############################################################################
# %%prep - Additional prep required...
@ -2266,6 +2270,9 @@ rm -f *.filelist*
%endif
%changelog
* Wed Feb 08 2017 Carlos O'Donell <carlos@redhat.com> - 2.24.90-31
- Fix builds with GCC 7.0.
* Wed Feb 01 2017 Carlos O'Donell <carlos@redhat.com> - 2.24.90-30
- Optimize IBM z System builds for zEC12.