Index: src/scripts/COMPILE.in
===================================================================
--- src/scripts/COMPILE.in	(revision 31681)
+++ src/scripts/COMPILE.in	(working copy)
@@ -15,8 +15,8 @@
 usage="Usage: R CMD COMPILE [options] files
 
 Compile the specified files for subsequent collection into a shared
-library using 'R CMD SHLIB'.  Currently, C, C++, and FORTRAN files
-(with extensions '.c', '.cc' or '.cpp' or '.C', and '.f', respectively),
+library using 'R CMD SHLIB'.  Currently, C, ObjC, C++, and FORTRAN files
+(with extensions '.c', '.m', '.cc' or '.cpp' or '.C', and '.f', respectively),
 are supported.
 
 Options:
Index: src/scripts/SHLIB.in
===================================================================
--- src/scripts/SHLIB.in	(revision 31681)
+++ src/scripts/SHLIB.in	(working copy)
@@ -59,7 +59,7 @@
       fi
       objs="${objs} `echo ${1} | sed 's/\.[^\.][^\.]*$/.o/'`"
       ;;
-    *.[co])
+    *.[com])
       if test -z "${shlib}"; then
 	shlib="`echo ${1} | sed 's/\.[^\.][^\.]*$/@SHLIB_EXT@/'`"
       fi
Index: src/scripts/INSTALL.in
===================================================================
--- src/scripts/INSTALL.in	(revision 31681)
+++ src/scripts/INSTALL.in	(working copy)
@@ -466,7 +466,7 @@
       cd ..
     else
       cd src;
-      srcs=`ls *.[cfC] *.cc *.cpp 2>/dev/null`
+      srcs=`ls *.[cfmC] *.cc *.cpp 2>/dev/null`
       if test -n "${srcs}"; then
 	sh "${R_HOME}/bin/SHLIB" -o "${pkg_name}@SHLIB_EXT@" ${srcs} \
           && cp *@SHLIB_EXT@ "${R_PACKAGE_DIR}/libs" \