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Two things: Fix testcase to use extern - otherwise the link will always 

succeed. Also make the testcase clearer as to what we're doing and
emit a checking notification to the log.

llvm-svn: 121101
This commit is contained in:
Eric Christopher 2010-12-07 02:05:42 +00:00
parent 287f4366c1
commit ba4f77262c
2 changed files with 39 additions and 28 deletions
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22
llvm/autoconf/configure.ac
View File

@ -1325,13 +1325,21 @@ dnl Try to find Darwin specific crash reporting libraries.
AC_CHECK_HEADERS([CrashReporterClient.h])
dnl Try to find Darwin specific crash reporting global.
AC_LINK_IFELSE([AC_LANG_PROGRAM([[const char *__crashreporter_info__;]], [[]])],[darwin_crashreport = yes],[darwin_crashreport = no])
AC_MSG_RESULT($darwin_crashreport)
if test "x$darwin_crashreport = xyes"
then
AC_DEFINE([HAVE_CRASHREPORTER_INFO],[1],
[Define if __crashreporter_info__ exists.])
fi
AC_MSG_CHECKING([__crashreporter_info__])
AC_LINK_IFELSE(
AC_LANG_SOURCE(
[[extern const char *__crashreporter_info__;
int main() {
__crashreporter_info__ = "test";
return 0;
}
]]),
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__),
AC_MSG_RESULT(no)
AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0,
Define if __crashreporter_info__ exists.))
dnl===-----------------------------------------------------------------------===
dnl===
dnl=== SECTION 7: Check for types and structures

45
llvm/configure vendored
View File

@ -17419,20 +17419,20 @@ fi
done
{ echo "$as_me:$LINENO: checking __crashreporter_info__" >&5
echo $ECHO_N "checking __crashreporter_info__... $ECHO_C" >&6; }
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
const char *__crashreporter_info__;
int
main ()
{
extern const char *__crashreporter_info__;
int main() {
__crashreporter_info__ = "test";
return 0;
}
;
return 0;
}
_ACEOF
rm -f conftest.$ac_objext conftest$ac_exeext
if { (ac_try="$ac_link"
@ -17468,27 +17468,30 @@ eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
darwin_crashreport = yes
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
darwin_crashreport = no
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
{ echo "$as_me:$LINENO: result: $darwin_crashreport" >&5
echo "${ECHO_T}$darwin_crashreport" >&6; }
if test "x$darwin_crashreport = xyes"
then
{ echo "$as_me:$LINENO: result: yes" >&5
echo "${ECHO_T}yes" >&6; }
cat >>confdefs.h <<\_ACEOF
#define HAVE_CRASHREPORTER_INFO 1
_ACEOF
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
{ echo "$as_me:$LINENO: result: no" >&5
echo "${ECHO_T}no" >&6; }
cat >>confdefs.h <<\_ACEOF
#define HAVE_CRASHREPORTER_INFO 0
_ACEOF
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
{ echo "$as_me:$LINENO: checking for HUGE_VAL sanity" >&5