adding gnulib, as m4 merely borrows the content from gnulib. On 05/16/2014 09:52 AM, Santiago Vila wrote: > Hello. > > I received the following report from the Debian bug system. > [ Please keep the Cc: lines when replying. Thanks ]. > > ----- Forwarded message from Erwan Prioul <er...@linux.vnet.ibm.com> ----- > > Date: Fri, 16 May 2014 16:56:11 +0200 > From: Erwan Prioul <er...@linux.vnet.ibm.com> > To: Debian Bug Tracking System <sub...@bugs.debian.org> > Subject: Bug#748361: m4: build tests are failing on ppc64el > > Package: m4 > Version: 1.4.17-2 > Severity: normal > Tags: upstream patch > > Dear Maintainer, > > I've noticed build tests are failing on ppc64el. > > In Ubuntu, the attached patch was applied to fix the issue (Fix > detection of floating point endianness). > > Thanks for considering the patch. > > Erwan Prioul. > > -- System Information: > Debian Release: jessie/sid > APT prefers unstable > APT policy: (500, 'unstable') > Architecture: ppc64el (ppc64le) > > Kernel: Linux 3.13-1-powerpc64le (SMP w/1 CPU core) > Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8) > Shell: /bin/sh linked to /bin/dash > > -- no debconf information > > > Description: Fix detection of floating point endianness > See https://lists.gnu.org/archive/html/bug-gnulib/2013-12/msg00104.html > Author: Alan Modra <amo...@gmail.com> > Author: Colin Watson <cjwat...@ubuntu.com> > Forwarded: no > Last-Update: 2013-12-18 > > Index: b/tests/test-isnanl.h > =================================================================== > --- a/tests/test-isnanl.h > +++ b/tests/test-isnanl.h > @@ -24,6 +24,12 @@ > #include "nan.h" > #include "macros.h" > > +#ifdef __FLOAT_WORD_ORDER__ > +# define FLOAT_BIG_ENDIAN (__FLOAT_WORD_ORDER__ != __ORDER_LITTLE_ENDIAN__) > +#else > +# define FLOAT_BIG_ENDIAN (LDBL_EXPBIT0_WORD < NWORDS / 2) > +#endif > + > int > main () > { > @@ -56,10 +62,10 @@ > # if LDBL_EXPBIT0_BIT > 0 > m.word[LDBL_EXPBIT0_WORD] ^= (unsigned int) 1 << (LDBL_EXPBIT0_BIT - 1); > # else > - m.word[LDBL_EXPBIT0_WORD + (LDBL_EXPBIT0_WORD < NWORDS / 2 ? 1 : - 1)] > + m.word[LDBL_EXPBIT0_WORD + (FLOAT_BIG_ENDIAN ? 1 : - 1)] > ^= (unsigned int) 1 << (sizeof (unsigned int) * CHAR_BIT - 1); > # endif > - m.word[LDBL_EXPBIT0_WORD + (LDBL_EXPBIT0_WORD < NWORDS / 2 ? 1 : - 1)] > + m.word[LDBL_EXPBIT0_WORD + (FLOAT_BIG_ENDIAN ? 1 : - 1)] > |= (unsigned int) 1 << LDBL_EXPBIT0_BIT; > ASSERT (isnanl (m.value)); > } > Index: b/tests/test-signbit.c > =================================================================== > --- a/tests/test-signbit.c > +++ b/tests/test-signbit.c > @@ -36,6 +36,12 @@ > double zerod = 0.0; > long double zerol = 0.0L; > > +#ifdef __FLOAT_WORD_ORDER__ > +# define FLOAT_BIG_ENDIAN (__FLOAT_WORD_ORDER__ != __ORDER_LITTLE_ENDIAN__) > +#else > +# define FLOAT_BIG_ENDIAN (LDBL_EXPBIT0_WORD < NWORDS / 2) > +#endif > + > static void > test_signbitf () > { > @@ -156,10 +162,10 @@ > # if LDBL_EXPBIT0_BIT > 0 > m.word[LDBL_EXPBIT0_WORD] ^= (unsigned int) 1 << (LDBL_EXPBIT0_BIT - 1); > # else > - m.word[LDBL_EXPBIT0_WORD + (LDBL_EXPBIT0_WORD < NWORDS / 2 ? 1 : - 1)] > + m.word[LDBL_EXPBIT0_WORD + (FLOAT_BIG_ENDIAN ? 1 : - 1)] > ^= (unsigned int) 1 << (sizeof (unsigned int) * CHAR_BIT - 1); > # endif > - m.word[LDBL_EXPBIT0_WORD + (LDBL_EXPBIT0_WORD < NWORDS / 2 ? 1 : - 1)] > + m.word[LDBL_EXPBIT0_WORD + (FLOAT_BIG_ENDIAN ? 1 : - 1)] > |= (unsigned int) 1 << LDBL_EXPBIT0_BIT; > (void) signbit (m.value); > #undef NWORDS > > > > ----- End forwarded message ----- > > >
-- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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