Tested powerpc64le-linux. Builds OK for avr too. Roger, does this work for xstormy16?
-- >8 -- libstdc++-v3/ChangeLog: * acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Extend logic for avr and msp430 to all 16-bit targets. * configure: Regenerate. --- libstdc++-v3/acinclude.m4 | 15 +++++++++------ libstdc++-v3/configure | 18 ++++++++++++------ 2 files changed, 21 insertions(+), 12 deletions(-) diff --git a/libstdc++-v3/acinclude.m4 b/libstdc++-v3/acinclude.m4 index 8129373e9dd..eb30c4f00a5 100644 --- a/libstdc++-v3/acinclude.m4 +++ b/libstdc++-v3/acinclude.m4 @@ -5426,12 +5426,15 @@ 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${with_libstdcxx_zoneinfo}" = xno; then # Disable tzdb support completely. zoneinfo_dir=none diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure index 188be08d716..345ba5721a8 100755 --- a/libstdc++-v3/configure +++ b/libstdc++-v3/configure @@ -71903,12 +71903,18 @@ fi zoneinfo_dir=none ;; esac - case "$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 -- 2.40.1