libtool.m4: Fix for invalid postdeps

Omitting lines starting with 'Driving:' fixes the invalid postdeps
observed with FC.

Reported: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=76177

* m4/libtool.m4: Omit lines that start with 'Driving:' when setting
  output_verbose_link_cmd.

diff --git a/m4/libtool.m4 b/m4/libtool.m4
index def2c24a54e222884ce22806b2443c4121f4afaf..434f9ba72e1cdb830f51dd4cbf6e32f76f7252e9 100644 (file)
--- a/m4/libtool.m4
+++ b/m4/libtool.m4
@@ -6628,7 +6628,7 @@ if test yes != "$_lt_caught_CXX_error"; then
       # Commands to make compiler produce verbose output that lists
       # what "hidden" libraries, object files and flags are used when
       # linking a shared library.
-      output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP " [[-]]L"'
+      output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP -v "^Driving:" | $GREP " [[-]]L"'
 
     else
       GXX=no
@@ -7413,7 +7413,7 @@ if test yes != "$_lt_caught_CXX_error"; then
              # Commands to make compiler produce verbose output that lists
              # what "hidden" libraries, object files and flags are used when
              # linking a shared library.
-             output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP " [[-]]L"'
+             output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP -v "^Driving:" | $GREP " [[-]]L"'
 
            else
              # FIXME: insert proper C++ library support
@@ -7500,7 +7500,7 @@ if test yes != "$_lt_caught_CXX_error"; then
                # Commands to make compiler produce verbose output that lists
                # what "hidden" libraries, object files and flags are used when
                # linking a shared library.
-               output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP " [[-]]L"'
+               output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP -v "^Driving:" | $GREP " [[-]]L"'
              else
                # g++ 2.7 appears to require '-G' NOT '-shared' on this
                # platform.
@@ -7511,7 +7511,7 @@ if test yes != "$_lt_caught_CXX_error"; then
                # Commands to make compiler produce verbose output that lists
                # what "hidden" libraries, object files and flags are used when
                # linking a shared library.
-               output_verbose_link_cmd='$CC -G $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP " [[-]]L"'
+               output_verbose_link_cmd='$CC -G $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP -v "^Driving:" | $GREP " [[-]]L"'
              fi
 
              _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R $wl$libdir'