On Linux: Run ldconfig during make install,if not --disable-ldconfig-at-install

Makefile.am

@@ -75,6 +75,9 @@ libburn_libburn_la_SOURCES = \
 libinclude_HEADERS = \
 	libburn/libburn.h 
 
+install-exec-hook:
+	$(LIBBURNIA_LDCONFIG_CMD) "$(DESTDIR)$(libdir)" || echo 'NOTE: Explicite dynamic library configuration failed. If needed, configure manually for:' "$(DESTDIR)$(libdir)"
+
 ## ========================================================================= ##
 
 ## Build test applications

README

@@ -60,6 +60,11 @@ Warning: The trunk might contain experimental features which might not
 
                         Special ./configure options
 
+make install on GNU/Linux will try to run program ldconfig with the library
+installation directory as only argument. Failure to do so will not abort
+installation. One may disable ldconfig by ./configure option:
+   --disable-ldconfig-at-install
+
 In some situations Linux may deliver a better write performance to drives if
 the track input is read with O_DIRECT (see man 2 open). The API call
 burn_os_open_track_src() and the input readers of cdrskin and libburn fifo

acinclude.m4

@@ -16,11 +16,13 @@ AC_DEFUN([TARGET_SHIZZLE],
 
   AC_MSG_CHECKING([target operating system])
 
+  LIBBURNIA_LDCONFIG_CMD="echo 'No ldconfig run performed. If needed, configure manually for:'"
   
   case $target_os in
     linux*)
       ARCH=linux
       LIBBURN_ARCH_LIBS=
+      LIBBURNIA_LDCONFIG_CMD=ldconfig
       ;;
     freebsd*)
       ARCH=freebsd

cdrskin/cdrskin_timestamp.h

@@ -1 +1 @@
-#define Cdrskin_timestamP "2010.09.17.073827"
+#define Cdrskin_timestamP "2010.09.22.105426"

configure.ac

@@ -264,6 +264,17 @@ else
     echo "disabled strict symbol encapsulation"
 fi
 
+AC_ARG_ENABLE(ldconfig-at-install,
+[  --enable-ldconfig-at-install    On GNU/Linux run ldconfig, default=yes],
+               , ldconfig_at_install=yes)
+if test x$ldconfig_at_install = xyes; then 
+    dummy=dummy
+else
+    LIBBURNIA_LDCONFIG_CMD="echo 'NOTE: ldconfig is disabled. If needed, configure manually for:'"
+    echo "disabled run of ldconfig during installation on GNU/Linux"
+fi  
+AC_SUBST(LIBBURNIA_LDCONFIG_CMD)
+
 
 dnl Add compiler-specific flags