[SCM] GNU Libtool branch, master, updated. v2.2.10-190-ga93b848

[Peter Rosin]

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- Log -----------------------------------------------------------------
commit a93b8481087b3eb9675ea9e6ca15b09e7e6901ae
Author: Peter Rosin <address@hidden>
Date:   Fri Sep 17 16:15:04 2010 +0200

    Copy over DLL_EXPORT handling from C to C++ for non-GCC on w32.
    
    * libltdl/m4/libtool.m4 (_LT_COMPILER_PIC) [mingw, cygwin, os2]
    [pw32, cegcc]: Copy over the DLL_EXPORT handling from C to C++.
    
    Signed-off-by: Peter Rosin <address@hidden>

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog             |    6 ++++++
 libltdl/m4/libtool.m4 |    6 ++++++
 2 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 326b658..514a20e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2010-09-17  Peter Rosin  <address@hidden>
+
+       Copy over DLL_EXPORT handling from C to C++ for non-GCC on w32.
+       * libltdl/m4/libtool.m4 (_LT_COMPILER_PIC) [mingw, cygwin, os2]
+       [pw32, cegcc]: Copy over the DLL_EXPORT handling from C to C++.
+
 2010-09-17  Ralf Wildenhues  <address@hidden>
 
        LTO: consistently accept -fwhopr* and -flto* for GCC.
diff --git a/libltdl/m4/libtool.m4 b/libltdl/m4/libtool.m4
index 1a5b85d..a8b07bf 100644
--- a/libltdl/m4/libtool.m4
+++ b/libltdl/m4/libtool.m4
@@ -3873,6 +3873,12 @@ m4_if([$1], [CXX], [
          ;;
        esac
        ;;
+      mingw* | cygwin* | os2* | pw32* | cegcc*)
+       # This hack is so that the source file can tell whether it is being
+       # built for inclusion in a dll (and should export symbols for example).
+       m4_if([$1], [GCJ], [],
+         [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'])
+       ;;
       dgux*)
        case $cc_basename in
          ec++*)


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