ExternalVendorCode/crosstool-ng
1
0
Fork 0
mirror of https://github.com/crosstool-ng/crosstool-ng.git synced 2024-12-20 05:17:54 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity
master
crosstool-ng/config/libc/avr-libc.in

22 lines
669 B
Plaintext
Raw Permalink Normal View History

avr-libc: add support for avr-libc C library This commit adds support for the avr-libc C library. According to the project page at http://www.nongnu.org/avr-libc , the avr-libc package provides a subset of the standard C library for Atmel AVR 8-bit RISC microcontrollers. In addition, the library provides the basic startup code needed by most applications. Support for this library in crosstool-ng is only enabled for the AVR 8-bit target. The avr-libc manual and most distributions build the AVR 8-bit gcc toolchain with the "avr" (non-canonical) target. Some experimentation also led to the conclusion that other (canonical) targets are not very well supported, so we force the "avr" target for crosstool-ng as well. The manual also recommends building avr-libc after the final gcc build. To accomplish this with crosstool-ng, a new do_libc_post_cc step is added, in which currently only avr-libc performs its build, and is a no-op for the other libc options. Signed-off-by: Erico Nunes <nunes.erico@gmail.com>
2015-06-21 23:53:06 +00:00
# avr-libc options
Add config flags for omitting 'arch' and 'vendor' ... parts of the config tuple. While here, remove parts that are setting portions of the target tuple to a value that's already the default. Signed-off-by: Alexey Neyman <stilor@att.net>
2018-12-10 09:10:01 +00:00
# Do not canonicalize the target tuple: avr-libc requires a non-canonical "avr" target.
#
Also upgrade non-generated config files Signed-off-by: Alexey Neyman <stilor@att.net>
2017-07-06 07:25:30 +00:00
## depends on ARCH_AVR
Add moxiebox as a choice for libc This required some rework of the libc selection, as moxiebox is a layer on top of another libc - newlib. Also, moxiebox'es host VM (`sandbox`) needs a libcrypto on the host. We will not have it if we're cross-compiling a canadian cross. Fortunately, all moxiebox needs from libcrypto is SHA256, and it already includes a standalone implementation of SHA256 in its runtime. Provide a little wrapper that allows moxiebox use that implementation for the host binary, too. Also, automate collecting/printing the list of all packages in a given category (e.g. LIBC or COMP_TOOLS), generate a list of all Kconfig symbols for a given category. Signed-off-by: Alexey Neyman <stilor@att.net>
2018-11-24 06:14:07 +00:00
## depends on BARE_METAL
avr-libc: add support for avr-libc C library This commit adds support for the avr-libc C library. According to the project page at http://www.nongnu.org/avr-libc , the avr-libc package provides a subset of the standard C library for Atmel AVR 8-bit RISC microcontrollers. In addition, the library provides the basic startup code needed by most applications. Support for this library in crosstool-ng is only enabled for the AVR 8-bit target. The avr-libc manual and most distributions build the AVR 8-bit gcc toolchain with the "avr" (non-canonical) target. Some experimentation also led to the conclusion that other (canonical) targets are not very well supported, so we force the "avr" target for crosstool-ng as well. The manual also recommends building avr-libc after the final gcc build. To accomplish this with crosstool-ng, a new do_libc_post_cc step is added, in which currently only avr-libc performs its build, and is a no-op for the other libc options. Signed-off-by: Erico Nunes <nunes.erico@gmail.com>
2015-06-21 23:53:06 +00:00
##
## select LIBC_SUPPORT_THREADS_NONE
Add config flags for omitting 'arch' and 'vendor' ... parts of the config tuple. While here, remove parts that are setting portions of the target tuple to a value that's already the default. Signed-off-by: Alexey Neyman <stilor@att.net>
2018-12-10 09:10:01 +00:00
## select OMIT_TARGET_VENDOR
## select TARGET_SKIP_CONFIG_SUB
avr-libc: add support for avr-libc C library This commit adds support for the avr-libc C library. According to the project page at http://www.nongnu.org/avr-libc , the avr-libc package provides a subset of the standard C library for Atmel AVR 8-bit RISC microcontrollers. In addition, the library provides the basic startup code needed by most applications. Support for this library in crosstool-ng is only enabled for the AVR 8-bit target. The avr-libc manual and most distributions build the AVR 8-bit gcc toolchain with the "avr" (non-canonical) target. Some experimentation also led to the conclusion that other (canonical) targets are not very well supported, so we force the "avr" target for crosstool-ng as well. The manual also recommends building avr-libc after the final gcc build. To accomplish this with crosstool-ng, a new do_libc_post_cc step is added, in which currently only avr-libc performs its build, and is a no-op for the other libc options. Signed-off-by: Erico Nunes <nunes.erico@gmail.com>
2015-06-21 23:53:06 +00:00
##
## help The AVR Libc package provides a subset of the standard C library for
## help Atmel AVR 8-bit RISC microcontrollers. In addition, the library
## help provides the basic startup code needed by most applications.
Switch gen-kconfig to new framework Also: - Move companion_* to comp_* to match the kconfig symbols - Replace bootstrap with former gen-versions.sh - Fold *.in.2 into their respective first parts; this moves common options to the end - if it is undesirable, inclusion of *.in can be moved where *.in.2 used to be (but that will also move version selection after common options). - Retire addToolVersion.sh (may later replace with a more comprehensive script that tries to download the added tarballs, copy the patches and try to apply them, and create a version.desc). Signed-off-by: Alexey Neyman <stilor@att.net>
2017-07-05 02:19:42 +00:00
config LIBC_AVR_LIBC_EXTRA_CONFIG_ARRAY
string
prompt "Extra config for avr-libc"
default ""
help
Extra flags to pass onto ./configure when configuring the avr-libc.
Reference in New Issue Copy Permalink