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libstdc++: Fix configure test for 32-bit targets

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The -mlarge model for msp430-elf uses 20-bit pointers, which means that
sizeof(void*) == 4 and so the r14-1432-g51cf0b3949b88b change gives the
wrong answer. Check __INTPTR_WIDTH__ >= 32 instead.

libstdc++-v3/ChangeLog:

	* acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Fix for 32-bit pointers
	to check __INT_PTR_WIDTH__ instead of sizeof(void*).
	* configure: Regenerate.
This commit is contained in:
Jonathan Wakely
2023-05-31 19:05:32 +01:00
parent 994195b597
commit 2a919c08ab
2 changed files with 2 additions and 2 deletions
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2
libstdc++-v3/acinclude.m4
View File

@@ -5427,7 +5427,7 @@ AC_DEFUN([GLIBCXX_ZONEINFO_DIR], [
;;
esac
AC_COMPUTE_INT(glibcxx_cv_at_least_32bit, [sizeof(void*) >= 4])
AC_COMPUTE_INT(glibcxx_cv_at_least_32bit, [__INTPTR_WIDTH__ >= 32])
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

2
libstdc++-v3/configure vendored
View File

@@ -71904,7 +71904,7 @@ fi
;;
esac
if ac_fn_c_compute_int "$LINENO" "sizeof(void*) >= 4" "glibcxx_cv_at_least_32bit" ""; then :
if ac_fn_c_compute_int "$LINENO" "__INTPTR_WIDTH__ >= 32" "glibcxx_cv_at_least_32bit" ""; then :
fi