crosstool-ng: patches/gcc/4.2.4/270-soft-float.patch@424fa2092ace

scripts/libc: do not build add-ons by default

Currently, no --enable-add-ons option is passed to libc configure when
"$(do_libc_add_ons_list ,)" is empty, which makes configure automatically search
for present add-ons. In that case, all present add-ons are built, although
no add-on was selected by the user in the config. Moreover, this can make the
configure fail if some non-standard add-ons like eglibc-localedef are present.

This behavior also leads to an inconsistency from a user point of view between
the following cases:
- LIBC_ADDONS_LIST="", LIBC_GLIBC_USE_PORTS=n and THREADS="none" in the config,
which makes "$(do_libc_add_ons_list ,)" return "", so all present add-ons
are built.
- LIBC_ADDONS_LIST="", LIBC_GLIBC_USE_PORTS=n and THREADS!="none" in the
config, which makes "$(do_libc_add_ons_list ,)" return the add-on supporting
the chosen threading implementation, e.g. "nptl", so only this add-on is
built.

This patch disables the building of all add-ons in that case.

It is still possible to build all present add-ons by adding --enable-add-ons to
LIBC_GLIBC_EXTRA_CONFIG_ARRAY.

Signed-off-by: "Benoît THÉBAUDEAU" <benoit.thebaudeau@advansee.com>

     1 diff -uNpr gcc-4.2.1_orig/gcc/config/rs6000/darwin-ldouble.c gcc-4.2.1/gcc/config/rs6000/darwin-ldouble.c

     2 --- gcc-4.2.1_orig/gcc/config/rs6000/darwin-ldouble.c	2007-03-05 11:54:00.000000000 -0500

     3 +++ gcc-4.2.1/gcc/config/rs6000/darwin-ldouble.c	2008-01-31 17:51:24.000000000 -0500

     4 @@ -70,6 +70,8 @@ Software Foundation, 51 Franklin Street,

     5     but GCC currently generates poor code when a union is used to turn

     6     a long double into a pair of doubles.  */

     8 +#if defined (_SOFT_FLOAT) && defined (__LONG_DOUBLE_128__)

9 +

    10  long double __gcc_qadd (double, double, double, double);

    11  long double __gcc_qsub (double, double, double, double);

    12  long double __gcc_qmul (double, double, double, double);

    13 @@ -219,8 +221,6 @@ __gcc_qdiv (double a, double b, double c

    14    return z.ldval;

    15  }

    17 -#if defined (_SOFT_FLOAT) && defined (__LONG_DOUBLE_128__)

    18 -

    19  long double __gcc_qneg (double, double);

    20  int __gcc_qeq (double, double, double, double);

    21  int __gcc_qne (double, double, double, double);

author	"Benoît THÉBAUDEAU" <benoit.thebaudeau@advansee.com>
	Thu Jul 28 22:09:31 2011 +0200 (2011-07-28)
changeset 2573	424fa2092ace
parent 687	b2b6b1d46aa1
permissions	-rw-r--r--