New file. Checks whether libgtop is installed and reads its

* gnome-libgtop-check.m4 (GNOME_LIBGTOP_HOOK): New file.
Checks whether libgtop is installed and reads its `libgtopConf.sh'
file if it can be found. Defines HAVE_LIBGTOP on success and
provides HAVE_LIBGTOP automake conditional.

svn path=/trunk/; revision=224

1 files changed, 73 insertions, 0 deletions

diff --git a/macros/gnome-libgtop-check.m4 b/macros/gnome-libgtop-check.m4
new file mode 100644
index 0000000000..0a5ff19b1c
--- /dev/null
+++ b/macros/gnome-libgtop-check.m4
@@ -0,0 +1,73 @@
+dnl
+dnl GNOME_LIBGTOP_HOOK (script-if-libgtop-enabled, failflag)
+dnl
+dnl if failflag is "fail" then GNOME_LIBGTOP_HOOK will abort if gtopConf.sh
+dnl is not found. 
+dnl
+
+AC_DEFUN([GNOME_LIBGTOP_HOOK],
+[	
+	AC_REQUIRE([GNOME_LIBGTOP_SYSDEPS])
+
+	AC_SUBST(LIBGTOP_LIBDIR)
+	AC_SUBST(LIBGTOP_INCLUDEDIR)
+	AC_SUBST(LIBGTOP_LIBS)
+	AC_SUBST(LIBGTOP_INCS)
+	AC_SUBST(LIBGTOP_GUILE_INCS)
+	AC_SUBST(LIBGTOP_GUILE_LIBS)
+	AC_SUBST(LIBGTOP_BINDIR)
+	AC_SUBST(LIBGTOP_SERVER)
+
+	if test x$exec_prefix = xNONE; then
+	    if test x$prefix = xNONE; then
+	        libgtop_prefix=$ac_default_prefix/lib
+	    else
+		libgtop_prefix=$prefix/lib
+	    fi
+	else
+	    libgtop_prefix=`eval echo \`echo $libdir\``
+	fi
+
+	AC_ARG_WITH(libgtop-includes,
+	[  --with-libgtop-includes Specify location of LIBGTOP headers],[
+	CFLAGS="$CFLAGS -I$withval"
+	])
+
+	AC_ARG_WITH(libgtop-libs,
+	[  --with-libgtop-libs     Specify location of LIBGTOP libs],[
+	LDFLAGS="$LDFLAGS -L$withval"
+	libgtop_prefix=$withval
+	])
+
+	AC_ARG_WITH(libgtop,
+	[  --with-libgtop          Specify prefix for LIBGTOP files],[
+	if test x$withval = xyes; then
+	    dnl Note that an empty true branch is not valid sh syntax.
+	    ifelse([$1], [], :, [$1])
+        else
+	    LDFLAGS="$LDFLAGS -L$withval/lib"
+	    CFLAGS="$CFLAGS -I$withval/include"
+	    libgtop_prefix=$withval/lib
+  	fi
+	])
+
+        AC_MSG_CHECKING(for libgtopConf.sh file in $libgtop_prefix)
+	if test -f $libgtop_prefix/libgtopConf.sh; then
+	    AC_MSG_RESULT(found)
+	    AC_DEFINE(HAVE_LIBGTOP)
+	    echo "loading libgtop configuration from $libgtop_prefix/libgtopConf.sh"
+	    . $libgtop_prefix/libgtopConf.sh
+	    $1
+	else
+	    AC_MSG_RESULT(not found)
+ 	    if test x$2 = xfail; then
+	        AC_MSG_ERROR(Could not find the libgtopConf.sh file that is generated by libgtop install)
+ 	    fi
+	fi
+
+	AM_CONDITIONAL(HAVE_LIBGTOP, test -f $libgtop_prefix/libgtopConf.sh)
+])
+
+AC_DEFUN([GNOME_INIT_LIBGTOP],[
+	GNOME_LIBGTOP_HOOK([],)
+])