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use AC_LINK to check for va_copy, not AC_COMPILE

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@29607 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2004-10-02 20:31:34 +00:00
parent 6a8b0d4586
commit ba3d13e1c8
2 changed files with 127 additions and 1 deletions
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126
configure vendored
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@@ -18120,6 +18120,132 @@ cat >>confdefs.h <<_ACEOF
_ACEOF
echo "$as_me:$LINENO: checking for va_copy" >&5
echo $ECHO_N "checking for va_copy... $ECHO_C" >&6
if test "${wx_cv_func_va_copy+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
cat >conftest.$ac_ext <<_ACEOF
#include <stdarg.h>
void foo(char *f, ...)
{
va_list ap1, ap2;
va_start(ap1, f);
va_copy(ap2, ap1);
va_end(ap2);
va_end(ap1);
}
_ACEOF
rm -f conftest.$ac_objext conftest$ac_exeext
if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&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'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&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'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
wx_cv_func_va_copy=yes
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
wx_cv_func_va_copy=no
fi
rm -f conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
fi
echo "$as_me:$LINENO: result: $wx_cv_func_va_copy" >&5
echo "${ECHO_T}$wx_cv_func_va_copy" >&6
if test $wx_cv_func_va_copy = "yes"; then
cat >>confdefs.h <<\_ACEOF
#define HAVE_VA_COPY 1
_ACEOF
else
echo "$as_me:$LINENO: checking if va_list can be copied by value" >&5
echo $ECHO_N "checking if va_list can be copied by value... $ECHO_C" >&6
if test "${wx_cv_type_va_list_lvalue+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
if test "$cross_compiling" = yes; then
wx_cv_type_va_list_lvalue=yes
else
cat >conftest.$ac_ext <<_ACEOF
#include <stdarg.h>
int foo(char *f, ...)
{
va_list ap1, ap2;
va_start(ap1, f);
ap2 = ap1;
if ( va_arg(ap1, int) != 17 || va_arg(ap2, int) != 17 )
return 1;
va_end(ap2);
va_end(ap1);
return 0;
}
int main()
{
return foo("hi", 17);
}
_ACEOF
rm -f conftest$ac_exeext
if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
(eval $ac_link) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } && { ac_try='./conftest$ac_exeext'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
wx_cv_type_va_list_lvalue=yes
else
echo "$as_me: program exited with status $ac_status" >&5
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
( exit $ac_status )
wx_cv_type_va_list_lvalue=no
fi
rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
fi
fi
echo "$as_me:$LINENO: result: $wx_cv_type_va_list_lvalue" >&5
echo "${ECHO_T}$wx_cv_type_va_list_lvalue" >&6
if test $wx_cv_type_va_list_lvalue != "yes"; then
cat >>confdefs.h <<\_ACEOF
#define VA_LIST_IS_ARRAY 1
_ACEOF
fi
fi
# Check whether --enable-largefile or --disable-largefile was given.
if test "${enable_largefile+set}" = set; then
enableval="$enable_largefile"

2
configure.in
View File

@@ -1717,7 +1717,7 @@ dnl checks needed to define wxVaCopy
AC_CACHE_CHECK([for va_copy],
wx_cv_func_va_copy,
[
AC_COMPILE_IFELSE([
AC_LINK_IFELSE([
#include <stdarg.h>
void foo(char *f, ...)
{