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Drop support for native compilation on 32-bit Cygwin

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* configure.ac (cygwin32-native-compilation): New option.
[i686-pc-cygwin]: Don't allow native compilation unless that
option is specified.  (Bug#50666)
This commit is contained in:
Ken Brown 2021-10-29 11:38:55 -04:00
parent 7e15ee5bc9
commit 6ba4e3b78c
1 changed files with 11 additions and 0 deletions
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11
configure.ac
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@ -485,6 +485,7 @@ OPTION_DEFAULT_ON([zlib],[don't compile with zlib decompression support])
OPTION_DEFAULT_ON([modules],[don't compile with dynamic modules support])
OPTION_DEFAULT_ON([threads],[don't compile with elisp threading support])
OPTION_DEFAULT_OFF([native-compilation],[compile with Emacs Lisp native compiler support])
OPTION_DEFAULT_OFF([cygwin32-native-compilation],[use native compilation on 32-bit Cygwin])
AC_ARG_WITH([file-notification],[AS_HELP_STRING([--with-file-notification=LIB],
[use a file notification library (LIB one of: yes, inotify, kqueue, gfile, w32, no)])],
@ -3814,6 +3815,16 @@ source on this site:
HAVE_NATIVE_COMP=no
LIBGCCJIT_LIBS=
LIBGCCJIT_CFLAGS=
if test "$canonical" = i686-pc-cygwin; then
if test "${with_cygwin32_native_compilation}" = yes; then
with_native_compilation=yes
elif test "${with_native_compilation}" != no; then
AC_MSG_ERROR([Native compilation is not supported on 32-bit Cygwin.
If you really want to try it anyway, use the configure option
'--with-cygwin32-native-compilation'.])
fi
fi
if test "${with_native_compilation}" != "no"; then
if test "${HAVE_PDUMPER}" = no; then
AC_MSG_ERROR(['--with-native-compilation' requires '--with-dumping=pdumper'])