https://github.com/python/cpython/commit/119edb3edee41ef9c7d78da1a3a792aa83eec47c
commit: 119edb3edee41ef9c7d78da1a3a792aa83eec47c
branch: main
author: Hood Chatham <[email protected]>
committer: ambv <[email protected]>
date: 2026-07-22T14:06:00+02:00
summary:
gh-154465: Add configure flag to exclude emscripten_syscalls.c (#154466)
Pyodide doesn't want to include emscripten_syscalls.c in the build since it
links a different version of it. This adds a configure flag to drop it.
files:
M configure
M configure.ac
diff --git a/configure b/configure
index 58f3dfc119ec13..08b493311a3f92 100755
--- a/configure
+++ b/configure
@@ -1102,6 +1102,7 @@ enable_framework
with_app_store_compliance
enable_wasm_dynamic_linking
enable_wasm_pthreads
+enable_emscripten_syscalls
with_suffix
enable_shared
with_static_libpython
@@ -1843,6 +1844,10 @@ Optional Features:
loader to handle imports
--enable-wasm-pthreads Enable pthread emulation for WebAssembly (default is
no)
+ --disable-emscripten-syscalls
+ Disable the Emscripten syscall overrides in
+ Python/emscripten_syscalls.c (default is enabled for
+ Emscripten)
--enable-shared enable building a shared Python library (default is
no)
--enable-static-libpython-for-interpreter
@@ -7620,6 +7625,30 @@ fi
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $enable_wasm_pthreads"
>&5
printf "%s\n" "$enable_wasm_pthreads" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for
--enable-emscripten-syscalls" >&5
+printf %s "checking for --enable-emscripten-syscalls... " >&6; }
+# Check whether --enable-emscripten-syscalls was given.
+if test ${enable_emscripten_syscalls+y}
+then :
+ enableval=$enable_emscripten_syscalls;
+ case $ac_sys_system in #(
+ Emscripten) :
+ ;; #(
+ *) :
+ as_fn_error $? "--enable-emscripten-syscalls only applies to Emscripten"
"$LINENO" 5
+ ;;
+esac
+
+else case e in #(
+ e)
+ enable_emscripten_syscalls=yes
+ ;;
+esac
+fi
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result:
$enable_emscripten_syscalls" >&5
+printf "%s\n" "$enable_emscripten_syscalls" >&6; }
+
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for --with-suffix" >&5
printf %s "checking for --with-suffix... " >&6; }
@@ -20159,7 +20188,13 @@ PLATFORM_OBJS=
case $ac_sys_system in #(
Emscripten) :
- as_fn_append PLATFORM_OBJS ' Python/emscripten_signal.o
Python/emscripten_trampoline.o Python/emscripten_trampoline_wasm.o
Python/emscripten_syscalls.o'
+ as_fn_append PLATFORM_OBJS ' Python/emscripten_signal.o
Python/emscripten_trampoline.o Python/emscripten_trampoline_wasm.o'
+ if test "x$enable_emscripten_syscalls" = xyes
+then :
+
+ as_fn_append PLATFORM_OBJS ' Python/emscripten_syscalls.o'
+
+fi
as_fn_append PLATFORM_HEADERS '
$(srcdir)/Include/internal/pycore_emscripten_signal.h
$(srcdir)/Include/internal/pycore_emscripten_trampoline.h'
;; #(
*) :
diff --git a/configure.ac b/configure.ac
index 273a64814f9a1f..f40db5bc82e24a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1365,6 +1365,20 @@ AC_ARG_ENABLE([wasm-pthreads],
])
AC_MSG_RESULT([$enable_wasm_pthreads])
+AC_MSG_CHECKING([for --enable-emscripten-syscalls])
+AC_ARG_ENABLE([emscripten-syscalls],
+ [AS_HELP_STRING([--disable-emscripten-syscalls],
+ [Disable the Emscripten syscall overrides in
Python/emscripten_syscalls.c (default is enabled for Emscripten)])],
+[
+ AS_CASE([$ac_sys_system],
+ [Emscripten], [],
+ [AC_MSG_ERROR([--enable-emscripten-syscalls only applies to Emscripten])]
+ )
+], [
+ enable_emscripten_syscalls=yes
+])
+AC_MSG_RESULT([$enable_emscripten_syscalls])
+
AC_MSG_CHECKING([for --with-suffix])
AC_ARG_WITH([suffix],
[AS_HELP_STRING([--with-suffix=SUFFIX], [set executable suffix to
SUFFIX (default is empty, yes is mapped to '.exe')])],
@@ -5380,7 +5394,10 @@ PLATFORM_OBJS=
AS_CASE([$ac_sys_system],
[Emscripten], [
- AS_VAR_APPEND([PLATFORM_OBJS], [' Python/emscripten_signal.o
Python/emscripten_trampoline.o Python/emscripten_trampoline_wasm.o
Python/emscripten_syscalls.o'])
+ AS_VAR_APPEND([PLATFORM_OBJS], [' Python/emscripten_signal.o
Python/emscripten_trampoline.o Python/emscripten_trampoline_wasm.o'])
+ AS_VAR_IF([enable_emscripten_syscalls], [yes], [
+ AS_VAR_APPEND([PLATFORM_OBJS], [' Python/emscripten_syscalls.o'])
+ ])
AS_VAR_APPEND([PLATFORM_HEADERS], ['
$(srcdir)/Include/internal/pycore_emscripten_signal.h
$(srcdir)/Include/internal/pycore_emscripten_trampoline.h'])
],
)
_______________________________________________
Python-checkins mailing list -- [email protected]
To unsubscribe send an email to [email protected]
https://mail.python.org/mailman3//lists/python-checkins.python.org
Member address: [email protected]
