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crosstool-ng/scripts/build/libc/avr-libc.sh

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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
# This file adds functions to build the avr-libc C library
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
avr_libc_post_cc()
{
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
CT_DoStep INFO "Installing C library"
CT_DoLog EXTRA "Copying sources to build directory"
Fix the references to old config variables Signed-off-by: Alexey Neyman <stilor@att.net>
2017-05-30 05:32:38 +00:00
CT_DoExecLog ALL cp -av "${CT_SRC_DIR}/avr-libc/." \
avr-libc: add support for avr-libc C library This commit adds support for the avr-libc C library. According to the project page at http://www.nongnu.org/avr-libc , the avr-libc package provides a subset of the standard C library for Atmel AVR 8-bit RISC microcontrollers. In addition, the library provides the basic startup code needed by most applications. Support for this library in crosstool-ng is only enabled for the AVR 8-bit target. The avr-libc manual and most distributions build the AVR 8-bit gcc toolchain with the "avr" (non-canonical) target. Some experimentation also led to the conclusion that other (canonical) targets are not very well supported, so we force the "avr" target for crosstool-ng as well. The manual also recommends building avr-libc after the final gcc build. To accomplish this with crosstool-ng, a new do_libc_post_cc step is added, in which currently only avr-libc performs its build, and is a no-op for the other libc options. Signed-off-by: Erico Nunes <nunes.erico@gmail.com>
2015-06-21 23:53:06 +00:00
"${CT_BUILD_DIR}/build-libc-post-cc"
cd "${CT_BUILD_DIR}/build-libc-post-cc"
Fix the references to old config variables Signed-off-by: Alexey Neyman <stilor@att.net>
2017-05-30 05:32:38 +00:00
CT_DoLog EXTRA "Configuring C library"
CT_DoExecLog CFG \
${CONFIG_SHELL} \
./configure \
--build=${CT_BUILD} \
--host=${CT_TARGET} \
--prefix=${CT_PREFIX_DIR} \
"${CT_LIBC_AVR_LIBC_EXTRA_CONFIG_ARRAY[@]}"
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
CT_DoLog EXTRA "Building C library"
Rename JOBSFLAGS -> CT_JOBSFLAGS ... so that it is saved/restored when restarting the build. Signed-off-by: Alexey Neyman <stilor@att.net>
2019-04-04 23:47:50 +00:00
CT_DoExecLog ALL make ${CT_JOBSFLAGS}
avr-libc: add support for avr-libc C library This commit adds support for the avr-libc C library. According to the project page at http://www.nongnu.org/avr-libc , the avr-libc package provides a subset of the standard C library for Atmel AVR 8-bit RISC microcontrollers. In addition, the library provides the basic startup code needed by most applications. Support for this library in crosstool-ng is only enabled for the AVR 8-bit target. The avr-libc manual and most distributions build the AVR 8-bit gcc toolchain with the "avr" (non-canonical) target. Some experimentation also led to the conclusion that other (canonical) targets are not very well supported, so we force the "avr" target for crosstool-ng as well. The manual also recommends building avr-libc after the final gcc build. To accomplish this with crosstool-ng, a new do_libc_post_cc step is added, in which currently only avr-libc performs its build, and is a no-op for the other libc options. Signed-off-by: Erico Nunes <nunes.erico@gmail.com>
2015-06-21 23:53:06 +00:00
CT_DoLog EXTRA "Installing C library"
Partially revert 6f8e89cb5ca061e899bf3feaaf3fecf30d366c3e. The referenced commit replaced 'make' with '${make}' everywhere. This is wrong for at least the utilities that we may build as companion tools (make, libtool): this will always invoke the version detected by configure by supplying the absolute path. In other words, the wrappers in .build/tools/bin are not fallbacks - they are either temporary (in case a respective companion tool is built) or permanent redirectors. This is the reason why the PATH= has .build/*/buildtools/bin at higher precedence than .build/tools/bin; the latter has the versions detected by configure and the former has the versions built as companion tools. Revert the rest of the gang (grep/sed/...) for consistency. After all, we may decide to supply some of them as well (awk, for instance). Signed-off-by: Alexey Neyman <stilor@att.net>
2016-11-21 07:50:17 +00:00
CT_DoExecLog ALL make install
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
CT_EndStep
}
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