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Determine the page size on Android from NDK header files

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The definition of the PAGE_SIZE macro is used as a signal for a 32-bit
target or a 64-bit target with an older NDK.  Otherwise, a 16KiB page
size is assumed.

Resolves jemalloc/jemalloc#2657
This commit is contained in:
Carl Shapiro 2026-01-20 18:56:32 -08:00 • committed by lexprfuncall
parent 0d7a26e9b6
commit 5d6efc6f58
1 changed files with 5 additions and 0 deletions
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5
configure.ac
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@ -1990,6 +1990,11 @@ case "${host}" in
LG_PAGE=14 LG_PAGE=14
fi fi
;; ;;
*-*-linux-android)
if test "x$LG_PAGE" = "xdetect"; then
AC_CHECK_DECLS([PAGE_SIZE], [LG_PAGE=12], [LG_PAGE=14], [#include <sys/user.h>])
fi
;;
aarch64-unknown-linux-*) aarch64-unknown-linux-*)
if test "x$LG_PAGE" = "xdetect"; then if test "x$LG_PAGE" = "xdetect"; then
LG_PAGE=16 LG_PAGE=16