author | "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> |
Sun Sep 14 18:09:36 2008 +0000 (2008-09-14) | |
changeset 852 | c17bb66e2aa5 |
parent 850 | ef8549b58b6f |
child 922 | 3f0456891349 |
permissions | -rw-r--r-- |
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# C library options |
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|
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config LIBC |
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string |
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default "none" if BARE_METAL |
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default "glibc" if LIBC_GLIBC |
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default "eglibc" if LIBC_EGLIBC |
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default "uClibc" if LIBC_UCLIBC |
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|
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if ! BARE_METAL |
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|
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menu "C-library" |
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|
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config LIBC_VERSION |
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string |
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help |
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Enter the date of the snapshot you want to use in the form: YYYYMMDD |
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where YYYY is the 4-digit year, MM the 2-digit month and DD the 2-digit |
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day in the month. |
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|
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Please note: |
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- glibc has snapshots done every monday, and only the last ten are kept. |
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- uClibc has daily snapshots, and only the last 30-or-so are kept. |
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|
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So if you want to be able to re-build your toolchain later, you will |
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have to save your C library tarball by yourself. |
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|
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choice |
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bool |
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prompt "C-library to use:" |
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default LIBC_GLIBC |
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|
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config LIBC_GLIBC |
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bool |
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prompt "glibc" |
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select LIBC_SUPPORT_NPTL |
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select LIBC_SUPPORT_LINUXTHREADS |
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|
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config LIBC_EGLIBC |
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bool |
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prompt "eglibc (EXPERIMENTAL)" |
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select LIBC_SUPPORT_NPTL |
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select LIBC_SUPPORT_LINUXTHREADS |
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depends on EXPERIMENTAL |
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help |
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EGLIBC (Embedded GLIBC) is a variant of the standard GNU GLIBC |
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that is designed to work well on embedded systems. EGLIBC strives |
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to be source and binary compatible with GLIBC. Its goals include |
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a reduced footprint, configurable components, and improved |
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cross-compilation support. EGLIBC also includes some embedded ports |
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(such as e500/spe) that are normally separate add-ons of GLIBC. |
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|
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config LIBC_UCLIBC |
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bool |
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prompt "uClibc" |
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select LIBC_SUPPORT_LINUXTHREADS |
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|
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endchoice |
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|
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comment "Common C library options" |
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|
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config LIBC_SUPPORT_NPTL |
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bool |
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default n |
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|
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config LIBC_SUPPORT_LINUXTHREADS |
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bool |
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default n |
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|
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config THREADS |
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string |
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default "nptl" if THREADS_NPTL |
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default "linuxthreads" if THREADS_LINUXTHREADS |
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default "none" if THREADS_NONE |
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|
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choice |
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bool |
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prompt "Threading implementation to use:" |
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default THREADS_NPTL if LIBC_SUPPORT_NPTL |
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default THREADS_LINUXTHREADS if LIBC_SUPPORT_LINUXTHREADS && ! LIBC_SUPPORT_NPTL |
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default THREADS_NONE if ! LIBC_SUPPORT_LINUXTHREADS && ! LIBC_SUPPORT_NPTL |
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|
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config THREADS_NPTL |
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bool |
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prompt "nptl" |
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depends on LIBC_SUPPORT_NPTL |
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|
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config THREADS_LINUXTHREADS |
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bool |
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prompt "linuxthreads" |
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depends on LIBC_SUPPORT_LINUXTHREADS |
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|
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config THREADS_NONE |
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bool |
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prompt "none" |
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|
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endchoice |
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|
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if LIBC_GLIBC |
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source config/libc/glibc.in |
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endif |
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|
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if LIBC_EGLIBC |
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source config/libc/eglibc.in |
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endif |
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|
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# Hack: mconf does not allow to include a file multiple times, |
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# so include glibc and eglibc common options from here, rather |
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# than from each config files. |
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if LIBC_GLIBC || LIBC_EGLIBC |
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source config/libc/glibc-eglibc-common.in |
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endif |
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|
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if LIBC_UCLIBC |
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source config/libc/uClibc.in |
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endif |
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|
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endmenu |
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|
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endif # ! BARE_METAL |