From: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com>
Date: Wed, 18 Jun 2025 04:53:01 +0000 (+0200)
Subject: [3.14] gh-127146: Enable large files on Emscripten (GH-135635) (#135655)
X-Git-Tag: v3.14.0b4~152
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=52cb287bf92078272eb9353b55377dd22c352680;p=thirdparty%2FPython%2Fcpython.git

[3.14] gh-127146: Enable large files on Emscripten (GH-135635) (#135655)

Large files have been fully supported by Emscripten for a long time.
(cherry picked from commit 01c80b265060f016d3534eb74d540363808804e1)

Co-authored-by: Hood Chatham <roberthoodchatham@gmail.com>
---

diff --git a/configure b/configure
index 882e0409d604..bc996235c700 100755
--- a/configure
+++ b/configure
@@ -12979,13 +12979,6 @@ if test "$ac_cv_sizeof_off_t" -gt "$ac_cv_sizeof_long" -a \
 else
   have_largefile_support="no"
 fi
-case $ac_sys_system in #(
-  Emscripten) :
-    have_largefile_support="no"
- ;; #(
-  *) :
-     ;;
-esac
 if test "x$have_largefile_support" = xyes
 then :
 
diff --git a/configure.ac b/configure.ac
index c26e5c7fd1dd..47198c8722e8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3172,10 +3172,6 @@ if test "$ac_cv_sizeof_off_t" -gt "$ac_cv_sizeof_long" -a \
 else
   have_largefile_support="no"
 fi
-dnl LFS does not work with Emscripten 3.1
-AS_CASE([$ac_sys_system],
-  [Emscripten], [have_largefile_support="no"]
-)
 AS_VAR_IF([have_largefile_support], [yes], [
   AC_DEFINE([HAVE_LARGEFILE_SUPPORT], [1],
   [Defined to enable large file support when an off_t is bigger than a long