Remove calls to AC_PROG_CC and AC_PROG_CXX from CS_PROG_CC and CS_PROG_CXX because we call those functions earlier.

acinclude.m4

@@ -1416,7 +1416,6 @@ AC_DEFUN([CS_CHECK_TEMPLATE_TOOLKIT2],
 #-----------------------------------------------------------------------------
 AC_DEFUN([CS_PROG_CC],[
     CFLAGS="$CFLAGS" # Filter undesired flags
-    AC_PROG_CC
     AS_IF([test -n "$CC"],[
 	CS_EMIT_BUILD_PROPERTY([CMD.CC], [$CC])
 	CS_EMIT_BUILD_PROPERTY([COMPILER.CFLAGS], [$CPPFLAGS $CFLAGS], [+])
@@ -1429,7 +1428,6 @@ AC_DEFUN([CS_PROG_CC],[
 
 AC_DEFUN([CS_PROG_CXX],[
     CXXFLAGS="$CXXFLAGS" # Filter undesired flags
-    AC_PROG_CXX
     AS_IF([test -n "$CXX"],[
 	CS_EMIT_BUILD_PROPERTY([CMD.C++], [$CXX])
 

config.h.in

@@ -60,9 +60,8 @@
 /* Define to 1 if you have the <windows.h> header file. */
 #undef HAVE_WINDOWS_H
 
-/* Define to the sub-directory in which libtool stores uninstalled libraries.
-   */
-#undef LT_OBJDIR
+/* Define to 1 if your C compiler doesn't accept -c and -o together. */
+#undef NO_MINUS_C_MINUS_O
 
 /* Name of package */
 #undef PACKAGE

configure.ac

@@ -18,7 +18,7 @@ CS_PACKAGEINFO(
     [http://www.bulletphysics.com])
 AC_CONFIG_SRCDIR([configure.ac])
 AM_INIT_AUTOMAKE
-AC_PROG_CC
+AM_PROG_CC_C_O
 AC_PROG_CXX
 AC_PROG_LIBTOOL