s3: also run the test prog from the explicit external lib bug check

on Linux linking already stops with a broken ld, on FreeBSD8 linking works but
the binary is broken, so we must check both.

this should be the final fix for bug #7561

diff --git a/source3/configure.in b/source3/configure.in
index 541dbe9e276a115322bcfa58b4480f4eae3dc652..b99a004a689eb172be54e258112359f4fef74ba9 100644 (file)
--- a/source3/configure.in
+++ b/source3/configure.in
@@ -23,6 +23,7 @@ m4_include(m4/check_path.m4)
 m4_include(pkg.m4)
 
 AC_LIBREPLACE_CC_CHECKS
+AC_LIBREPLACE_RUNTIME_LIB_PATH_VAR
 
 m4_include(../lib/tevent/libtevent.m4)
 
@@ -1834,15 +1835,18 @@ cat > conftest.c <<END
 extern void a();
 int main() {
        a();
+       return 0;
 }
 END
 
+       rm -fr conftest
        AC_TRY_COMMAND([$CC $CPPFLAGS $CFLAGS $PICFLAG -c -o conftest_sha.o conftest_sha.c 1>&AS_MESSAGE_LOG_FD 2>&1])
        AC_TRY_COMMAND([$CC $CPPFLAGS $CFLAGS $PICFLAG -c -o conftest_shb.o conftest_shb.c 1>&AS_MESSAGE_LOG_FD 2>&1])
        TESTCMD="`eval echo \"$SHLD $LDSHFLAGS $PICFLAG\"`"
        AC_TRY_COMMAND([$TESTCMD -o libconftest_shb.$SHLIBEXT conftest_shb.o 1>&AS_MESSAGE_LOG_FD 2>&1])
        AC_TRY_COMMAND([$TESTCMD -o libconftest_sha.$SHLIBEXT conftest_sha.o 1>&AS_MESSAGE_LOG_FD 2>&1])
-       if AC_TRY_COMMAND([$CC -o conftest conftest.c $LDFLAGS -L. -lconftest_sha -lconftest_shb 1>&AS_MESSAGE_LOG_FD 2>&1])
+       AC_TRY_COMMAND([$CC -o conftest conftest.c $LDFLAGS -L. -lconftest_sha -lconftest_shb 1>&AS_MESSAGE_LOG_FD 2>&1])
+       if AC_TRY_COMMAND([eval "$LIB_PATH_VAR=. ./conftest 1>&AS_MESSAGE_LOG_FD 2>&1"])
        then
                AC_MSG_RESULT([no])
        else
@@ -1956,7 +1960,6 @@ AC_MSG_RESULT([$PICFLAG])
 
 AC_DEFINE_UNQUOTED(SHLIBEXT, "$SHLIBEXT", [Shared library extension])
 
-AC_LIBREPLACE_RUNTIME_LIB_PATH_VAR
 
 
 ###########################################################