1 files changed, 99 insertions, 0 deletions
diff --git a/acinclude.m4 b/acinclude.m4
new file mode 100644
index 00000000..1dc30479
--- /dev/null
+++ b/acinclude.m4
@@ -0,0 +1,99 @@
+dnl Add directory level
+AC_DEFUN( AC_ADD_DIRLEVEL,
+[
+    for i in $1; do
+	eval o=\$$i
+	o=`echo $o | sed 's#.\.\./#&../#g'`
+	eval $i=\$o	
+    done
+])
+
+dnl Test file
+AC_DEFUN( AC_TEST_FILE,
+[
+    if test -f $1; then
+	ifelse([$2], , :,[$2])
+    else
+	ifelse([$3], , :,[$3])
+    fi
+])
+
+dnl Test dir
+AC_DEFUN( AC_TEST_DIR,
+[
+    if test -d $1; then
+	ifelse([$2], , :,[$2])
+    else
+	ifelse([$3], , :,[$3])
+    fi
+])
+
+dnl Test files
+AC_DEFUN( AC_TEST_FILES,
+[
+    ac_file_found=yes
+    for f in $1; do
+	if test ! -f $2/$f; then
+    	   ac_file_found=no
+	   break;
+	fi
+    done
+
+    if test "$ac_file_found" = "yes" ; then
+	ifelse([$3], , :,[$3])
+    else
+	ifelse([$4], , :,[$4])
+    fi
+])
+
+dnl Search for headers, add path to CPPFLAGS if found 
+AC_DEFUN( AC_SEARCH_HEADERS, 
+[
+    AC_MSG_CHECKING("for $1") 
+    ac_hdr_found=no
+    for p in $2; do
+	AC_TEST_FILES($1, $p, 
+	    [ 
+     	       ac_hdr_found=yes
+	       break
+	    ]
+	)
+    done 
+    if test "$ac_hdr_found" = "yes" ; then
+	CPPFLAGS="$CPPFLAGS -I$p"
+        AC_MSG_RESULT( [($p) yes] ) 
+	ifelse([$3], , :,[$3])
+    else
+        AC_MSG_RESULT("no") 
+	ifelse([$4], , :,[$4])
+    fi
+])
+
+dnl Search for library, add path to LIBS if found 
+AC_DEFUN( AC_SEARCH_LIB, 
+[
+    AC_MSG_CHECKING("for lib$1")
+
+    ac_save_LDFLAGS=$LDFLAGS
+
+    ac_lib_found=no
+    for p in $3; do
+	LDFLAGS="-L$p -l$1"
+	AC_TRY_LINK_FUNC($2,
+	    [ 
+	       LIBS="$LIBS -L$p -l$1"
+     	       ac_lib_found=yes
+	       break
+	    ]
+	)
+    done 
+    if test "$ac_lib_found" = "yes" ; then
+        AC_MSG_RESULT( [($p) yes] ) 
+	ifelse([$4], , :,[$4])
+    else
+        AC_MSG_RESULT("no") 
+	ifelse([$5], , :,[$5])
+    fi
+
+    LDFLAGS=$ac_save_LDFLAGS
+])