Mercurial > hg > octave-lyh > gnulib-hg
changeset 10656:2d3e9948c077
Avoid compilation error due to MacOS X 10.5 gcc cross-compilation bug.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Sat, 18 Oct 2008 03:15:17 +0200 |
parents | 8668b19a7032 |
children | ab877c995f41 |
files | ChangeLog m4/signbit.m4 tests/test-ceill.c tests/test-floorl.c tests/test-frexpl.c tests/test-isnan.c tests/test-isnanl.h tests/test-ldexpl.c tests/test-roundl.c tests/test-signbit.c tests/test-snprintf-posix.h tests/test-sprintf-posix.h tests/test-truncl.c tests/test-vasnprintf-posix.c tests/test-vasprintf-posix.c |
diffstat | 15 files changed, 115 insertions(+), 15 deletions(-) [+] |
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--- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,23 @@ +2008-10-17 Bruno Haible <bruno@clisp.org> + + * m4/signbit.m4 (gl_SIGNBIT_TEST_PROGRAM): On platforms other than + HP-UX and IRIX, use -0.0L. + * tests/test-ceill.c (minus_zero): Likewise. + * tests/test-floorl.c (minus_zero): Likewise. + * tests/test-frexpl.c (minus_zero): Likewise. + * tests/test-isnan.c (minus_zerol): Likewise. + * tests/test-isnanl.h (minus_zero): Likewise. + * tests/test-ldexpl.c (minus_zero): Likewise. + * tests/test-roundl.c (minus_zero): Likewise. + * tests/test-signbit.c (minus_zerol): Likewise. + * tests/test-snprintf-posix.h (minus_zerol): Likewise. + * tests/test-sprintf-posix.h (minus_zerol): Likewise. + * tests/test-truncl.c (minus_zero): Likewise. + * tests/test-vasnprintf-posix.c (minus_zerol): Likewise. + * tests/test-vasprintf-posix.c (minus_zerol): Likewise. + Reported by Markus Armbruster <armbru@redhat.com> via Jim Meyering + and by Nelson H. F. Beebe <beebe@math.utah.edu> via Eric Blake. + 2008-10-17 Bruno Haible <bruno@clisp.org> Avoid gcc warnings because of #pragma GCC system_header on older gcc.
--- a/m4/signbit.m4 +++ b/m4/signbit.m4 @@ -131,9 +131,11 @@ double p0d = 0.0; double m0d = -p0d; /* On HP-UX 10.20, negating 0.0L does not yield -0.0L. - So we use another constant expression instead. */ + So we use another constant expression instead. + But that expression does not work on other platforms, such as when + cross-compiling to PowerPC on MacOS X 10.5. */ long double p0l = 0.0L; -#ifdef __hpux +#if defined __hpux || defined __sgi long double m0l = -LDBL_MIN * LDBL_MIN; #else long double m0l = -p0l;
--- a/tests/test-ceill.c +++ b/tests/test-ceill.c @@ -40,8 +40,14 @@ while (0) /* On HP-UX 10.20, negating 0.0L does not yield -0.0L. - So we use minus_zero instead. */ + So we use minus_zero instead. + Note that the expression -LDBL_MIN * LDBL_MIN does not work on other + platforms, such as when cross-compiling to PowerPC on MacOS X 10.5. */ +#if defined __hpux || defined __sgi long double minus_zero = -LDBL_MIN * LDBL_MIN; +#else +long double minus_zero = -0.0L; +#endif int main ()
--- a/tests/test-floorl.c +++ b/tests/test-floorl.c @@ -40,8 +40,14 @@ while (0) /* On HP-UX 10.20, negating 0.0L does not yield -0.0L. - So we use minus_zero instead. */ + So we use minus_zero instead. + Note that the expression -LDBL_MIN * LDBL_MIN does not work on other + platforms, such as when cross-compiling to PowerPC on MacOS X 10.5. */ +#if defined __hpux || defined __sgi long double minus_zero = -LDBL_MIN * LDBL_MIN; +#else +long double minus_zero = -0.0L; +#endif int main ()
--- a/tests/test-frexpl.c +++ b/tests/test-frexpl.c @@ -58,8 +58,14 @@ #endif /* On HP-UX 10.20, negating 0.0L does not yield -0.0L. - So we use minus_zero instead. */ + So we use minus_zero instead. + Note that the expression -LDBL_MIN * LDBL_MIN does not work on other + platforms, such as when cross-compiling to PowerPC on MacOS X 10.5. */ +#if defined __hpux || defined __sgi long double minus_zero = -LDBL_MIN * LDBL_MIN; +#else +long double minus_zero = -0.0L; +#endif static long double my_ldexp (long double x, int d)
--- a/tests/test-isnan.c +++ b/tests/test-isnan.c @@ -49,8 +49,14 @@ double zerod = 0.0; /* On HP-UX 10.20, negating 0.0L does not yield -0.0L. - So we use minus_zerol instead. */ + So we use minus_zerol instead. + Note that the expression -LDBL_MIN * LDBL_MIN does not work on other + platforms, such as when cross-compiling to PowerPC on MacOS X 10.5. */ +#if defined __hpux || defined __sgi long double minus_zerol = -LDBL_MIN * LDBL_MIN; +#else +long double minus_zerol = -0.0L; +#endif static void test_float (void)
--- a/tests/test-isnanl.h +++ b/tests/test-isnanl.h @@ -34,8 +34,14 @@ while (0) /* On HP-UX 10.20, negating 0.0L does not yield -0.0L. - So we use minus_zero instead. */ + So we use minus_zero instead. + Note that the expression -LDBL_MIN * LDBL_MIN does not work on other + platforms, such as when cross-compiling to PowerPC on MacOS X 10.5. */ +#if defined __hpux || defined __sgi long double minus_zero = -LDBL_MIN * LDBL_MIN; +#else +long double minus_zero = -0.0L; +#endif int main ()
--- a/tests/test-ldexpl.c +++ b/tests/test-ldexpl.c @@ -40,8 +40,14 @@ while (0) /* On HP-UX 10.20, negating 0.0L does not yield -0.0L. - So we use minus_zero instead. */ + So we use minus_zero instead. + Note that the expression -LDBL_MIN * LDBL_MIN does not work on other + platforms, such as when cross-compiling to PowerPC on MacOS X 10.5. */ +#if defined __hpux || defined __sgi long double minus_zero = -LDBL_MIN * LDBL_MIN; +#else +long double minus_zero = -0.0L; +#endif int main ()
--- a/tests/test-roundl.c +++ b/tests/test-roundl.c @@ -42,8 +42,14 @@ while (0) /* On HP-UX 10.20, negating 0.0L does not yield -0.0L. - So we use minus_zero instead. */ + So we use minus_zero instead. + Note that the expression -LDBL_MIN * LDBL_MIN does not work on other + platforms, such as when cross-compiling to PowerPC on MacOS X 10.5. */ +#if defined __hpux || defined __sgi long double minus_zero = -LDBL_MIN * LDBL_MIN; +#else +long double minus_zero = -0.0L; +#endif int main ()
--- a/tests/test-signbit.c +++ b/tests/test-signbit.c @@ -48,8 +48,14 @@ So we use -zerod instead. */ /* On HP-UX 10.20, negating 0.0L does not yield -0.0L. - So we use minus_zerol instead. */ + So we use minus_zerol instead. + Note that the expression -LDBL_MIN * LDBL_MIN does not work on other + platforms, such as when cross-compiling to PowerPC on MacOS X 10.5. */ +#if defined __hpux || defined __sgi long double minus_zerol = -LDBL_MIN * LDBL_MIN; +#else +long double minus_zerol = -0.0L; +#endif static void test_signbitf ()
--- a/tests/test-snprintf-posix.h +++ b/tests/test-snprintf-posix.h @@ -32,8 +32,14 @@ double zerod = 0.0; /* On HP-UX 10.20, negating 0.0L does not yield -0.0L. - So we use minus_zerol instead. */ + So we use minus_zerol instead. + Note that the expression -LDBL_MIN * LDBL_MIN does not work on other + platforms, such as when cross-compiling to PowerPC on MacOS X 10.5. */ +#if defined __hpux || defined __sgi long double minus_zerol = -LDBL_MIN * LDBL_MIN; +#else +long double minus_zerol = -0.0L; +#endif /* Representation of an 80-bit 'long double' as an initializer for a sequence of 'unsigned int' words. */
--- a/tests/test-sprintf-posix.h +++ b/tests/test-sprintf-posix.h @@ -32,8 +32,14 @@ double zerod = 0.0; /* On HP-UX 10.20, negating 0.0L does not yield -0.0L. - So we use minus_zerol instead. */ + So we use minus_zerol instead. + Note that the expression -LDBL_MIN * LDBL_MIN does not work on other + platforms, such as when cross-compiling to PowerPC on MacOS X 10.5. */ +#if defined __hpux || defined __sgi long double minus_zerol = -LDBL_MIN * LDBL_MIN; +#else +long double minus_zerol = -0.0L; +#endif /* Representation of an 80-bit 'long double' as an initializer for a sequence of 'unsigned int' words. */
--- a/tests/test-truncl.c +++ b/tests/test-truncl.c @@ -40,8 +40,14 @@ while (0) /* On HP-UX 10.20, negating 0.0L does not yield -0.0L. - So we use minus_zero instead. */ + So we use minus_zero instead. + Note that the expression -LDBL_MIN * LDBL_MIN does not work on other + platforms, such as when cross-compiling to PowerPC on MacOS X 10.5. */ +#if defined __hpux || defined __sgi long double minus_zero = -LDBL_MIN * LDBL_MIN; +#else +long double minus_zero = -0.0L; +#endif int main ()
--- a/tests/test-vasnprintf-posix.c +++ b/tests/test-vasnprintf-posix.c @@ -57,8 +57,14 @@ double zerod = 0.0; /* On HP-UX 10.20, negating 0.0L does not yield -0.0L. - So we use minus_zerol instead. */ + So we use minus_zerol instead. + Note that the expression -LDBL_MIN * LDBL_MIN does not work on other + platforms, such as when cross-compiling to PowerPC on MacOS X 10.5. */ +#if defined __hpux || defined __sgi long double minus_zerol = -LDBL_MIN * LDBL_MIN; +#else +long double minus_zerol = -0.0L; +#endif /* Representation of an 80-bit 'long double' as an initializer for a sequence of 'unsigned int' words. */
--- a/tests/test-vasprintf-posix.c +++ b/tests/test-vasprintf-posix.c @@ -57,8 +57,14 @@ double zerod = 0.0; /* On HP-UX 10.20, negating 0.0L does not yield -0.0L. - So we use minus_zerol instead. */ + So we use minus_zerol instead. + Note that the expression -LDBL_MIN * LDBL_MIN does not work on other + platforms, such as when cross-compiling to PowerPC on MacOS X 10.5. */ +#if defined __hpux || defined __sgi long double minus_zerol = -LDBL_MIN * LDBL_MIN; +#else +long double minus_zerol = -0.0L; +#endif /* Representation of an 80-bit 'long double' as an initializer for a sequence of 'unsigned int' words. */