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configure: Check for linker delayload support on mingw hosts. 

Fixes PE-only builds with llvm-mingw.

Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Jacek Caban 2021-01-08 14:56:45 +01:00 committed by Alexandre Julliard
parent 9bc3a9f78b
commit 4b362d016c
2 changed files with 28 additions and 2 deletions
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27
configure vendored
View File

@ -17456,7 +17456,32 @@ fi ;;
MSVCRTFLAGS=""
case $host_os in
mingw32*) ;;
mingw32*) { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports -Wl,-delayload,autoconftest.dll" >&5
$as_echo_n "checking whether the compiler supports -Wl,-delayload,autoconftest.dll... " >&6; }
if ${ac_cv_cflags__Wl__delayload_autoconftest_dll+:} false; then :
$as_echo_n "(cached) " >&6
else
ac_wine_try_cflags_saved=$CFLAGS
CFLAGS="$CFLAGS -Wl,-delayload,autoconftest.dll"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
int main(int argc, char **argv) { return 0; }
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
ac_cv_cflags__Wl__delayload_autoconftest_dll=yes
else
ac_cv_cflags__Wl__delayload_autoconftest_dll=no
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
CFLAGS=$ac_wine_try_cflags_saved
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cflags__Wl__delayload_autoconftest_dll" >&5
$as_echo "$ac_cv_cflags__Wl__delayload_autoconftest_dll" >&6; }
if test "x$ac_cv_cflags__Wl__delayload_autoconftest_dll" = xyes; then :
DELAYLOADFLAG="-Wl,-delayload,"
fi ;;
*) { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports -fno-builtin" >&5
$as_echo_n "checking whether the compiler supports -fno-builtin... " >&6; }
if ${ac_cv_cflags__fno_builtin+:} false; then :

3
configure.ac
View File

@ -2060,7 +2060,8 @@ char*f(const char *h,char n) {return strchr(h,n);}]])],[ac_cv_c_logicalop_noisy=
dnl Disable gcc builtins except for Mingw
AC_SUBST(MSVCRTFLAGS,"")
case $host_os in
mingw32*) ;;
mingw32*) dnl Check for delayload linker support
WINE_TRY_CFLAGS([-Wl,-delayload,autoconftest.dll],[AC_SUBST(DELAYLOADFLAG,["-Wl,-delayload,"])]) ;;
*) WINE_TRY_CFLAGS([-fno-builtin],[MSVCRTFLAGS="$MSVCRTFLAGS -fno-builtin"])
WINE_TRY_CFLAGS([-fshort-wchar],[MSVCRTFLAGS="$MSVCRTFLAGS -fshort-wchar"]) ;;
esac