PR ld/12761

* elflink.c (elf_link_add_object_symbols): Process .gnu.warning
	sections when building shared libraries.

	* lib/ld-lib.exp (run_cc_link_tests): Add an optional 8th
	parameter - an expected warning message from the linker.
	* ld-elf/shared.exp (build_tests): Expect a warning message when
	building the libbarw.so library.

	* ld-elf/shared.exp: Run library building tests even when not
	building a native toolchain.

bfd/ChangeLog

@@ -1,3 +1,9 @@
+2011-05-18  Nick Clifton  <nickc@redhat.com>
+
+	PR ld/12761
+	* elflink.c (elf_link_add_object_symbols): Process .gnu.warning
+	sections when building shared libraries.
+
 2011-05-18  Rafał Krypa  <r.krypa@samsung.com>
 
 	PR ld/12778

bfd/elflink.c

@@ -3423,7 +3423,8 @@ elf_link_add_object_symbols (bfd *abfd, struct bfd_link_info *info)
      .gnu.warning.SYMBOL are treated as warning symbols for the given
      symbol.  This differs from .gnu.warning sections, which generate
      warnings when they are included in an output file.  */
-  if (info->executable)
+  /* PR 12761: Also generate this warning when building shared libraries.  */
+  if (info->executable || info->shared)
     {
       asection *s;
 

ld/testsuite/ChangeLog

@@ -1,3 +1,14 @@
+2011-05-18  Nick Clifton  <nickc@redhat.com>
+
+	PR ld/12761
+	* lib/ld-lib.exp (run_cc_link_tests): Add an optional 8th
+	parameter - an expected warning message from the linker.
+	* ld-elf/shared.exp (build_tests): Expect a warning message when
+	building the libbarw.so library.
+
+	* ld-elf/shared.exp: Run library building tests even when not
+	building a native toolchain.
+
 2011-05-16  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* ld-scripts/phdrs.exp: Replace --private with

ld/testsuite/ld-elf/shared.exp

@@ -25,12 +25,7 @@ if ![is_elf_format] {
     return
 }
 
-# The following tests require running the executable generated by ld.
+# Check to see if the C compiler works
-if ![isnative] {
-    return
-}
-
-# Check if compiler works
 if { [which $CC] == 0 } {
     return
 }
@@ -47,7 +42,8 @@ set build_tests {
    {begin.c end.c} {} "libbar.so"}
   {"Build warn libbar.so"
    "-shared" "-fPIC"
-   {beginwarn.c end.c} {} "libbarw.so"}
+   {beginwarn.c end.c} {} "libbarw.so"
+    "C" "^.*\\\): warning: function foo is deprecated$"}
   {"Build hidden libbar.so"
    "-shared" "-fPIC"
    {begin.c endhidden.c} {} "libbarh.so"}
@@ -156,6 +152,13 @@ set build_tests {
    {pr11138-2.c} {} "libpr11138-2.o"}
 }
 
+run_cc_link_tests $build_tests
+
+# The following tests require running the executable generated by ld.
+if ![isnative] {
+    return
+}
+
 set run_tests {
     {"Run normal with libfoo.so"
      "tmpdir/begin.o tmpdir/libfoo.so tmpdir/end.o" ""
@@ -280,11 +283,10 @@ set run_tests {
      {dummy.c} "pr11138b" "pr11138.out"}
 }
 
-run_cc_link_tests $build_tests
 # NetBSD ELF systems do not currently support the .*_array sections.
 run_ld_link_exec_tests [list "*-*-netbsdelf*"] $run_tests
 
-# Check if compiler works
+# Check to see if the C++ compiler works
 if { [which $CXX] == 0 } {
     return
 }

ld/testsuite/lib/ld-lib.exp

@@ -1243,6 +1243,7 @@ proc run_ld_link_exec_tests { targets_to_xfail ldtests } {
 #  4:action and options.
 #  5:name of output file
 #  6:language (optional)
+#  7:linker warnings (optional)
 #
 # Actions:
 # objdump: Apply objdump options on result.  Compare with regex (last arg).
@@ -1261,6 +1262,7 @@ proc run_cc_link_tests { ldtests } {
     global CFLAGS
     global CXXFLAGS
     global ar
+    global exec_output
 
     foreach testitem $ldtests {
 	set testname [lindex $testitem 0]
@@ -1270,6 +1272,7 @@ proc run_cc_link_tests { ldtests } {
 	set actions [lindex $testitem 4]
 	set binfile tmpdir/[lindex $testitem 5]
 	set lang [lindex $testitem 6]
+	set warnings [lindex $testitem 7]
 	set objfiles {}
 	set is_unresolved 0
 	set failed 0
@@ -1306,8 +1309,18 @@ proc run_cc_link_tests { ldtests } {
 		set failed 0
 	    }
 	} elseif { ![ld_simple_link $cc_cmd $binfile "-L$srcdir/$subdir $ldflags $objfiles"] } {
-	    fail $testname
+	    # Check if exec_output is expected.
-	    set failed 1
+	    if { $warnings != "" } then {
+		verbose -log "returned with: <$exec_output>, expected: <$warnings>"
+		if { [regexp $warnings $exec_output] } then {
+		    set failed 0
+		} else {
+		    set failed 1
+		}
+	    } else {
+		fail $testname
+		set failed 1
+	    }
 	} else {
 	    set failed 0
 	}