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elf: ELF toolchain --without-{headers, newlib} should provide stdint.h

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stdint.h is considered a freestanding headers by C, and a valid stdint.h
is required for certain parts of libstdc++' configuration, so we should
simply provide one when we have no other way (i.e. newlib or
user-specified sysroot) of getting one.

	* config.gcc: --target=*-elf --without-{newlib,headers} should
	provide stdint.h.
This commit is contained in:
Arsen Arsenovic 2022-10-17 08:58:07 +02:00 • committed by Richard Biener
parent fd206f0e95
commit f10b9f6413
1 changed files with 5 additions and 0 deletions
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gcc/config.gcc
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@ -1082,6 +1082,11 @@ case ${target} in
# Assume that newlib is being used and so __cxa_atexit is provided.
default_use_cxa_atexit=yes
use_gcc_stdint=wrap
case "${with_newlib}-${with_headers}" in
no-no) use_gcc_stdint=provide ;;
*) ;;
esac
;;
esac