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Changeset 8541

Timestamp:

04/23/08 12:33:53 (3 months ago)

Author:

jhuntwork

Message:

Use -mtune=native for glibc. We don't want our libc optimized for 486.
It should be optimized for the local machine.

Files:

r8540	r8541
40	40	<para>2008-04-23</para>
41	41	<itemizedlist>
	42	<listitem>
	43	<para>[jhuntwork] - Use -mtune=native for glibc. We don't
	44	want our libc optimized for 486. It should be optimized
	45	for the local machine.</para>
	46	</listitem>
42	47	<listitem>
43	48	<para>[jhuntwork] - Updated Autoconf to 2.62.</para>

r8389	r8541
56	56	Instead of overriding completely what Glibc's internal build system uses
57	57	for CFLAGS, append the new flag to the existing contents of CFLAGS by
58		making use of the special file <filename>configparms</filename>:</para>
59
60		<screen><userinput remap="configure">echo "CFLAGS += -march=i486" > configparms</userinput></screen>
	58	making use of the special file <filename>configparms</filename>. The
	59	-mtune=native flag is also necessary to reset a reasonable value for -mtune
	60	that is changed when setting -march.</para>
	61
	62	<screen><userinput remap="configure">echo "CFLAGS += -march=i486 -mtune=native" > configparms</userinput></screen>
61	63
62	64	<para>Next, prepare Glibc for compilation:</para>

r8393	r8541
105	105	<para>Again, add the needed compiler flag to CFLAGS:</para>
106	106
107		<screen><userinput remap="configure">echo "CFLAGS += -march=i486" > configparms</userinput></screen>
	107	<screen><userinput remap="configure">echo "CFLAGS += -march=i486 -mtune=native" > configparms</userinput></screen>
108	108
109	109	<para>Prepare Glibc for compilation:</para>