From: ro <ro@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Fri, 9 Apr 2010 17:35:18 +0000 (+0000)
Subject: 	* configure.ac (plugin -rdynamic test): Log result.
X-Git-Url: http://git.sourceforge.jp/view?p=pf3gnuchains%2Fgcc-fork.git;a=commitdiff_plain;h=57587f17a68e9094852f9cc91297a76a219f7359

	* configure.ac (plugin -rdynamic test): Log result.
	* configure: Regenerate.
	* config/sol2.h (LINK_SPEC): Handle -rdynamic.
	(RDYNAMIC_SPEC): Define.
	* config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@158173 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index a822b36ac02..6c3d71a768d 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,13 @@
 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 
+	* configure.ac (plugin -rdynamic test): Log result.
+	* configure: Regenerate.
+	* config/sol2.h (LINK_SPEC): Handle -rdynamic.
+	(RDYNAMIC_SPEC): Define.
+	* config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
+
+2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
 	* configure.ac: Determine Sun ld version numbers.
 	(comdat_group): Restrict GNU ld version checks to gld.
 	(comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
diff --git a/gcc/config/sol2-gld.h b/gcc/config/sol2-gld.h
index 217e09259f6..cf020f9c139 100644
--- a/gcc/config/sol2-gld.h
+++ b/gcc/config/sol2-gld.h
@@ -25,3 +25,7 @@ along with GCC; see the file COPYING3.  If not see
 
 #undef SUPPORTS_INIT_PRIORITY
 #define SUPPORTS_INIT_PRIORITY 1
+
+/* GNU ld needs --export-dynamic to implement -rdynamic.  */
+#undef RDYNAMIC_SPEC
+#define RDYNAMIC_SPEC "--export-dynamic"
diff --git a/gcc/config/sol2.h b/gcc/config/sol2.h
index 8f24bc745f3..98e54e6a92c 100644
--- a/gcc/config/sol2.h
+++ b/gcc/config/sol2.h
@@ -174,12 +174,16 @@ along with GCC; see the file COPYING3.  If not see
 #define LINK_SPEC \
   "%{h*} %{v:-V} \
    %{b} \
+   %{!shared:%{!static:%{rdynamic: " RDYNAMIC_SPEC "}}} \
    %{static:-dn -Bstatic} \
    %{shared:-G -dy %{!mimpure-text:-z text}} \
    %{symbolic:-Bsymbolic -G -dy -z text} \
    %(link_arch) \
    %{Qy:} %{!Qn:-Qy}"
 
+/* With Sun ld, -rdynamic is a no-op.  */
+#define RDYNAMIC_SPEC ""
+
 /* The Solaris linker doesn't understand constructor priorities.  (The
    GNU linker does support constructor priorities, so GNU ld
    configuration files for Solaris override this setting.)  */
diff --git a/gcc/configure b/gcc/configure
index 888fc9418a6..e32454a1e72 100755
--- a/gcc/configure
+++ b/gcc/configure
@@ -25234,10 +25234,14 @@ $as_echo_n "checking for exported symbols... " >&6; }
 $as_echo_n "checking for -rdynamic... " >&6; }
     ${CC} ${CFLAGS} ${LDFLAGS} -rdynamic conftest.c -o conftest > /dev/null 2>&1
     if $gcc_cv_objdump -T conftest | grep foobar > /dev/null; then
+      plugin_rdynamic=yes
       pluginlibs="-rdynamic"
     else
+      plugin_rdynamic=no
       enable_plugin=no
     fi
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $plugin_rdynamic" >&5
+$as_echo "$plugin_rdynamic" >&6; }
   fi
 
   # Check -ldl
diff --git a/gcc/configure.ac b/gcc/configure.ac
index abf03c5b31f..2d7823435f4 100644
--- a/gcc/configure.ac
+++ b/gcc/configure.ac
@@ -4449,10 +4449,13 @@ if test x"$enable_plugin" = x"yes"; then
     AC_MSG_CHECKING([for -rdynamic])
     ${CC} ${CFLAGS} ${LDFLAGS} -rdynamic conftest.c -o conftest > /dev/null 2>&1
     if $gcc_cv_objdump -T conftest | grep foobar > /dev/null; then
+      plugin_rdynamic=yes
       pluginlibs="-rdynamic"
     else
+      plugin_rdynamic=no
       enable_plugin=no
     fi
+    AC_MSG_RESULT([$plugin_rdynamic])
   fi
 
   # Check -ldl