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Temporarily revert r244012 while we see if it's really necessary.

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Add a comment explaining the current theory as to why we'd need
the -lole32 on the link line.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@244015 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher 2015-08-05 05:32:22 +00:00
parent 6624be6911
commit 5aed14945c
3 changed files with 87 additions and 0 deletions
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3
autoconf/configure.ac
View File

@ -1628,6 +1628,9 @@ dnl===-----------------------------------------------------------------------===
AC_CHECK_LIB(m,sin)
if test "$llvm_cv_os_type" = "MingW" ; then
dnl mingw-gcc's driver doesn't imply -lole32 by default so we may need this
dnl when being built with gcc for bootstrapping purposes.
AC_CHECK_LIB(ole32, main)
AC_CHECK_LIB(psapi, main)
AC_CHECK_LIB(shell32, main)
fi

81
configure vendored
View File

@ -8643,6 +8643,87 @@ fi
if test "$llvm_cv_os_type" = "MingW" ; then
{ echo "$as_me:$LINENO: checking for main in -lole32" >&5
echo $ECHO_N "checking for main in -lole32... $ECHO_C" >&6; }
if test "${ac_cv_lib_ole32_main+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
ac_check_lib_save_LIBS=$LIBS
LIBS="-lole32 $LIBS"
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
int
main ()
{
return main ();
;
return 0;
}
_ACEOF
rm -f conftest.$ac_objext conftest$ac_exeext
if { (ac_try="$ac_link"
case "(($ac_try" in
*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
*) ac_try_echo=$ac_try;;
esac
eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
(eval "$ac_link") 2>conftest.er1
ac_status=$?
grep -v '^ *+' conftest.er1 >conftest.err
rm -f conftest.er1
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ (case "(($ac_try" in
*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
*) ac_try_echo=$ac_try;;
esac
eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
(eval "$ac_try") 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; } &&
{ ac_try='test -s conftest$ac_exeext'
{ (case "(($ac_try" in
*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
*) ac_try_echo=$ac_try;;
esac
eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
(eval "$ac_try") 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
ac_cv_lib_ole32_main=yes
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
ac_cv_lib_ole32_main=no
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ echo "$as_me:$LINENO: result: $ac_cv_lib_ole32_main" >&5
echo "${ECHO_T}$ac_cv_lib_ole32_main" >&6; }
if test $ac_cv_lib_ole32_main = yes; then
cat >>confdefs.h <<_ACEOF
#define HAVE_LIBOLE32 1
_ACEOF
LIBS="-lole32 $LIBS"
fi
{ echo "$as_me:$LINENO: checking for main in -lpsapi" >&5
echo $ECHO_N "checking for main in -lpsapi... $ECHO_C" >&6; }
if test "${ac_cv_lib_psapi_main+set}" = set; then

3
include/llvm/Config/config.h.in
View File

@ -140,6 +140,9 @@
/* Define to 1 if you have the `m' library (-lm). */
#undef HAVE_LIBM
/* Define to 1 if you have the `ole32' library (-lole32). */
#undef HAVE_LIBOLE32
/* Define to 1 if you have the `psapi' library (-lpsapi). */
#undef HAVE_LIBPSAPI