Index: libpng-1.2.46/configure.ac
===================================================================
--- libpng-1.2.46.orig/configure.ac	2011-08-30 14:48:43.039028289 +0400
+++ libpng-1.2.46/configure.ac	2011-08-30 14:56:09.680021389 +0400
@@ -78,8 +78,23 @@
 AC_SUBST(LIBPNG_DEFINES)
 AC_SUBST(LIBPNG_NO_MMX)
 
+AC_MSG_CHECKING([if using Solaris linker])
+SLD=`$LD --version 2>&1 | grep Solaris`
+if test "$SLD"; then
+    have_solaris_ld=yes
+    AC_MSG_RESULT(yes)
+else
+    have_solaris_ld=no
+    AC_MSG_RESULT(no)
+fi
+AM_CONDITIONAL(HAVE_SOLARIS_LD, test "$have_solaris_ld" = "yes")
+
 AC_MSG_CHECKING([if libraries can be versioned])
-GLD=`$LD --help < /dev/null 2>/dev/null | grep version-script`
+if test "$have_solaris_ld" = "yes"; then
+    GLD=`$LD --help < /dev/null 2>&1 | grep 'M mapfile'`
+else
+    GLD=`$LD --help < /dev/null 2>/dev/null | grep version-script`
+fi
 if test "$GLD"; then
     have_ld_version_script=yes
     AC_MSG_RESULT(yes)
Index: libpng-1.2.46/Makefile.am
===================================================================
--- libpng-1.2.46.orig/Makefile.am	2011-08-30 14:48:43.039223476 +0400
+++ libpng-1.2.46/Makefile.am	2011-08-30 15:02:18.775861919 +0400
@@ -49,7 +49,11 @@
 
 if HAVE_LD_VERSION_SCRIPT
   # Versioned symbols and restricted exports
+if HAVE_SOLARIS_LD
+  libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -Wl,-M Wl,libpng.vers
+else
+  libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -Wl,--version-script=libpng.vers
+endif
   libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES = libpng.vers
 else
   # Only restricted exports when possible