patch for blt2.4z, see http://devtools.fg.oisin.rc-harwell.ac.uk/tcltk++.html

blt2.4z-configure.patch

This patch adds OSX support (based on a patch from fink)
and avoids discarding LDFLAGS on Linux.
--- blt2.4z/configure.bak	2013-03-29 00:38:08.062508923 +0000
+++ blt2.4z/configure	2013-03-29 19:46:30.911489694 +0000
@@ -3396,6 +3396,9 @@
   *-hpux*)
     SHLIB_SUFFIX="sl"
     ;;
+  *-darwin*)
+    SHLIB_SUFFIX="dylib"
+    ;;
   *)
     SHLIB_SUFFIX="so"
     ;;
@@ -3851,13 +3854,12 @@
 SHLIB_LD_FLAGS="$TCL_LD_FLAGS"
 SHLIB_RUNPATH="$TCL_LD_SEARCH_FLAGS"
 
-SHLIB_SUFFIX=".so"
+SHLIB_SUFFIX=".${SHLIB_SUFFIX}"
 SHLIB_TARGET=""
 SHLIB_CFLAGS=""
 SHLIB_LIB_SPECS="${JPEG_LIB_SPEC}"
 SHLIB_TCL_ONLY_LIB_SPECS="${TCL_ONLY_LIB_SPECS}"
 SHLIB_TCL_ONLY_LIB_SPECS=""
-LDFLAGS=""
 LD_RUN_PATH=""
 EXTRA_LIB_SPECS=""
 
@@ -4036,10 +4038,8 @@
   *-linux*)
     SHLIB_CFLAGS="-fPIC"
     SHLIB_LD="${CC}"
-    SHLIB_LD_FLAGS='-rdynamic -shared -Wl,-E -Wl,-soname,$@'
+    SHLIB_LD_FLAGS='-rdynamic -shared -Wl,-E -Wl,-soname,$@'" $LDFLAGS"
     LD_RUN_PATH="-Wl,-rpath,${loader_run_path}"
-    
-    LDFLAGS=""
     EXTRA_LIB_SPECS="-ldl"
     ;;
   
@@ -4208,6 +4208,11 @@
     SHLIB_LD_FLAGS=" -Wl,-Bexport"
     ;;
   
+  *-darwin*)
+    SHLIB_LIB_SPECS="${SHLIB_LIB_SPECS} ${LIB_SPECS}"
+    SHLIB_TCL_ONLY_LIB_SPECS="${TCL_ONLY_LIB_SPECS}"
+    ;;
+
   *)
     build_shared="no"
     ;;
--- blt2.4z/library/Makefile.in.bak	2013-03-29 00:38:08.062508923 +0000
+++ blt2.4z/library/Makefile.in	2013-03-29 19:46:30.911489694 +0000
@@ -58,7 +59,7 @@
 	for i in $(miscFiles) ; do \
 	    $(INSTALL_DATA) $(srcdir)/$$i $(INSTALL_ROOT)$(scriptdir) ; \
 	done 
-	$(INSTALL_DATA) pkgIndex.tcl $(scriptdir)
+	$(INSTALL_DATA) pkgIndex.tcl $(INSTALL_ROOT)$(scriptdir)
 
 mkdirs:
 	@for i in $(instdirs) ; do \