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https://github.com/crosstool-ng/crosstool-ng.git
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34 lines
904 B
Diff
34 lines
904 B
Diff
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From c9c22fe9ce182e48282e2bf0a8830381d3c55dd4 Mon Sep 17 00:00:00 2001
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From: Keith Packard <keithp@keithp.com>
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Date: Sun, 12 Feb 2023 14:23:32 -0800
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Subject: [PATCH] Support picolibc targets
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Match *-picolibc-* and select picolibc as the default C library, plus continuing to use
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the newlib-based logic for other configuration items.
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Signed-off-by: Keith Packard <keithp@keithp.com>
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---
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gcc/config.gcc | 11 +++++++++++
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1 file changed, 11 insertions(+)
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--- a/gcc/config.gcc
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+++ b/gcc/config.gcc
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@@ -1116,6 +1116,17 @@
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;;
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esac
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;;
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+*-picolibc-*)
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+ # __cxa_atexit is provided.
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+ default_use_cxa_atexit=yes
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+ use_gcc_stdint=wrap
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+ default_libc=LIBC_PICOLIBC
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+ case "${with_newlib}-${with_headers}" in
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+ no-no) use_gcc_stdint=provide ;;
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+ *) ;;
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+ esac
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+ ;;
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+
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*-*-elf|arc*-*-elf*)
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# Assume that newlib is being used and so __cxa_atexit is provided.
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default_use_cxa_atexit=yes
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