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libgcc, Darwin: From macOS 11, make that the earliest supported.

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For libgcc, we have (so far) supported building a DSO that supports
earlier versions of the OS than the target.  From macOS 11, there are
APIs that do not exist on earlier OS versions, so limit the libgcc
range to macOS11..current.

libgcc/ChangeLog:

	* config.host: From macOS 11, limit earliest macOS support
	to macOS 11.
	* config/t-darwin-min-11: New file.

Signed-off-by: Iain Sandoe <iain@sandoe.co.uk>
This commit is contained in:
Iain Sandoe 2024-09-22 14:30:30 +01:00
parent 0f52a92ab2
commit 43eab54939
2 changed files with 7 additions and 1 deletions
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5
libgcc/config.host
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@ -236,7 +236,10 @@ case ${host} in
esac
tmake_file="$tmake_file t-slibgcc-darwin"
case ${host} in
*-*-darwin1[89]* | *-*-darwin2* )
*-*-darwin2*)
tmake_file="t-darwin-min-11 $tmake_file"
;;
*-*-darwin1[89]*)
tmake_file="t-darwin-min-8 $tmake_file"
;;
*-*-darwin9* | *-*-darwin1[0-7]*)

3
libgcc/config/t-darwin-min-11 Normal file
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@ -0,0 +1,3 @@
# Support building with -mmacosx-version-min back to macOS 11.
DARWIN_MIN_LIB_VERSION = -mmacosx-version-min=11
DARWIN_MIN_CRT_VERSION = -mmacosx-version-min=11