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libstdc++: Disable embedded tzdata for all 16-bit targets

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libstdc++-v3/ChangeLog:

	* acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Extend logic for avr and
	msp430 to all 16-bit targets.
	* configure: Regenerate.

(cherry picked from commit 51cf0b3949b88b5e622872e4dac019ceb27400e1)
This commit is contained in:
Jonathan Wakely 2023-05-16 15:08:02 +01:00
parent 2d40cd2f19
commit fa78e9a672
2 changed files with 21 additions and 12 deletions
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15
libstdc++-v3/acinclude.m4
View File

@ -5201,12 +5201,15 @@ AC_DEFUN([GLIBCXX_ZONEINFO_DIR], [
zoneinfo_dir=none
;;
esac
case "$host" in
avr-*-* | msp430-*-* ) embed_zoneinfo=no ;;
*)
# Also embed a copy of the tzdata.zi file as a static string.
embed_zoneinfo=yes ;;
esac
AC_COMPUTE_INT(glibcxx_cv_at_least_32bit, [sizeof(void*) >= 4])
if test "$glibcxx_cv_at_least_32bit" -ne 0; then
# Also embed a copy of the tzdata.zi file as a static string.
embed_zoneinfo=yes
else
# The embedded data is too large for 16-bit targets.
embed_zoneinfo=no
fi
elif test "x${with_libstdcxx_zoneinfo}" = xno; then
# Disable tzdb support completely.
zoneinfo_dir=none

18
libstdc++-v3/configure vendored
View File

@ -71557,12 +71557,18 @@ fi
zoneinfo_dir=none
;;
esac
case "$host" in
avr-*-* | msp430-*-* ) embed_zoneinfo=no ;;
*)
# Also embed a copy of the tzdata.zi file as a static string.
embed_zoneinfo=yes ;;
esac
if ac_fn_c_compute_int "$LINENO" "sizeof(void*) >= 4" "glibcxx_cv_at_least_32bit" ""; then :
fi
if test "$glibcxx_cv_at_least_32bit" -ne 0; then
# Also embed a copy of the tzdata.zi file as a static string.
embed_zoneinfo=yes
else
# The embedded data is too large for 16-bit targets.
embed_zoneinfo=no
fi
elif test "x${with_libstdcxx_zoneinfo}" = xno; then
# Disable tzdb support completely.
zoneinfo_dir=none