autoconf: more aggressively avoid cross-compilation problems

We could end up invoking WINE even when we didn't want to.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
H. Peter Anvin 2024-01-04 23:21:44 -08:00
parent b4300ac280
commit a315659957
2 changed files with 42 additions and 2 deletions

View file

@ -0,0 +1,41 @@
dnl --------------------------------------------------------------------------
dnl PA_CROSS_COMPILE
dnl
dnl Get the canonical name for the build and host (runtime) systems;
dnl then figure out if this is cross-compilation. Specifically, this
dnl disables invoking WINE on non-Windows systems which are configured
dnl to run WINE automatically.
dnl
dnl Use PA_CROSS_COMPILE_TOOL if the target system (output of a code-
dnl generation tool) is applicable.
dnl
dnl This doesn't explicitly print any messages as that is automatically
dnl done elsewhere.
dnl --------------------------------------------------------------------------
AC_DEFUN_ONCE([PA_CROSS_COMPILE],
[
AC_BEFORE([$0], [AC_LANG_COMPILER])
AC_BEFORE([$0], [AC_LANG])
AC_BEFORE([$0], [AC_PROG_CC])
AC_BEFORE([$0], [AC_PROG_CPP])
AC_BEFORE([$0], [AC_PROG_CXX])
AC_BEFORE([$0], [AC_PROG_CXXCPP])
AC_BEFORE([$0], [AC_PROG_OBJC])
AC_BEFORE([$0], [AC_PROG_OBJCPP])
AC_BEFORE([$0], [AC_PROG_OBJCXX])
AC_BEFORE([$0], [AC_PROG_OBJCXXCPP])
AC_BEFORE([$0], [AC_PROG_F77])
AC_BEFORE([$0], [AC_PROG_FC])
AC_BEFORE([$0], [AC_PROG_GO])
# Disable WINE
WINELOADER=/dev/null
export WINELOADER
WINESERVER=/dev/null
export WINESERVER
WINEPREFIX=/dev/null
export WINEPREFIX
AC_CANONICAL_BUILD
AC_CANONICAL_HOST
])

View file

@ -15,8 +15,7 @@ AH_BOTTOM([
dnl This prevents us from running Wine and thinking we are not
dnl cross-compiling when in fact we are; running Wine here is at
dnl the best very slow and doesn't buy us a single thing at all.
WINELOADER=/dev/null
export WINELOADER
PA_CROSS_COMPILE
dnl Get the canonical target system name
AC_CANONICAL_HOST