Accepting request 211831 from openSUSE:Factory:PowerLE
The "gnulib" package contains a number of floating-point test cases that do not work correctly with the PowerPC long double ("double double") format. These tests "accidentally" succeeded anyway in the big-endian variant, but are now actually failing in little-endian mode. As is usual for gnulib, those tests end up copied into the source code of various packages that use gnulib, including coreutils, findutils, grep, and libunistring. A patch to fix the tests for ppc64le has been submitted to upstream to the bug-gnulib mailing list. We'll work with upstream of the other affected packages to make sure the copies are refreshed. - grep-gnulib-ppc64le.patch: Fix imported gnulib long double math tests for little-endian PowerPC. OBS-URL: https://build.opensuse.org/request/show/211831 OBS-URL: https://build.opensuse.org/package/show/Base:System/grep?expand=0&rev=36
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grep-gnulib-ppc64le.patch
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41
grep-gnulib-ppc64le.patch
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@ -0,0 +1,41 @@
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diff --git a/gnulib-tests/test-isnanl.h b/gnulib-tests/test-isnanl.h
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index 06e6a7c..2df10f8 100644
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--- a/gnulib-tests/test-isnanl.h
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+++ b/gnulib-tests/test-isnanl.h
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@@ -51,6 +51,15 @@ main ()
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/* A bit pattern that is different from a Quiet NaN. With a bit of luck,
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it's a Signalling NaN. */
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{
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+#if defined __powerpc__ && LDBL_MANT_DIG == 106
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+ /* This is PowerPC "double double", a pair of two doubles. Inf and Nan are
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+ represented as the corresponding 64-bit IEEE values in the first double;
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+ the second is ignored. Manipulate only the first double. */
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+ #undef NWORDS
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+ #define NWORDS \
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+ ((sizeof (double) + sizeof (unsigned int) - 1) / sizeof (unsigned int))
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+#endif
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+
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memory_long_double m;
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m.value = NaNl ();
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# if LDBL_EXPBIT0_BIT > 0
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diff --git a/gnulib-tests/test-signbit.c b/gnulib-tests/test-signbit.c
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index e8ea097..7e24292 100644
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--- a/gnulib-tests/test-signbit.c
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+++ b/gnulib-tests/test-signbit.c
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@@ -151,6 +151,16 @@ test_signbitl ()
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#define NWORDS \
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((sizeof (long double) + sizeof (unsigned int) - 1) / sizeof (unsigned int))
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typedef union { long double value; unsigned int word[NWORDS]; } memory_long_double;
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+
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+#if defined __powerpc__ && LDBL_MANT_DIG == 106
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+ /* This is PowerPC "double double", a pair of two doubles. Inf and Nan are
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+ represented as the corresponding 64-bit IEEE values in the first double;
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+ the second is ignored. Manipulate only the first double. */
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+ #undef NWORDS
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+ #define NWORDS \
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+ ((sizeof (double) + sizeof (unsigned int) - 1) / sizeof (unsigned int))
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+#endif
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+
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memory_long_double m;
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m.value = zerol / zerol;
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# if LDBL_EXPBIT0_BIT > 0
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@ -1,3 +1,9 @@
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-------------------------------------------------------------------
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Fri Dec 20 01:36:52 UTC 2013 - uweigand@de.ibm.com
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- grep-gnulib-ppc64le.patch: Fix imported gnulib long double math
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tests for little-endian PowerPC.
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-------------------------------------------------------------------
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Wed Dec 11 20:36:13 UTC 2013 - andreas.stieger@gmx.de
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@ -34,6 +34,8 @@ Group: Productivity/Text/Utilities
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Source0: http://ftp.gnu.org/gnu/%{name}/%{name}-%{version}.tar.xz
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Source2: http://ftp.gnu.org/gnu/%{name}/%{name}-%{version}.tar.xz.sig
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Source3: http://savannah.gnu.org/project/memberlist-gpgkeys.php?group=grep&download=1#/%{name}.keyring
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# Fix imported gnulib long double math tests for little-endian PowerPC
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Patch1: grep-gnulib-ppc64le.patch
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BuildRoot: %{_tmppath}/%{name}-%{version}-build
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%description
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@ -43,6 +45,7 @@ the matching lines.
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%prep
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%setup -q
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%patch1 -p1
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%if 0%{?suse_version} < 1120
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echo "ac_cv_search_pcre_compile=\${ac_cv_search_pcre_compile=%{_libdir}/libpcre.a}" >config.cache
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%endif
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