1 files changed, 26 insertions, 0 deletions

diff --git a/am/lib.m4 b/am/lib.m4
new file mode 100644
index 0000000..73f3564
--- /dev/null
+++ b/am/lib.m4
@@ -0,0 +1,26 @@
+dnl Arguments:
+dnl   $1     --    Library to look for
+dnl   $2     --    Function to check in the library
+dnl   $3     --    Any additional libraries that might be needed
+dnl   $4     --    Action to be taken when test succeeds
+dnl   $5     --    Action to be taken when test fails
+dnl   $6     --    Directories where the library may reside
+AC_DEFUN([RA_CHECK_LIB],
+[
+  save_LIBS=$LIBS
+  AC_CACHE_CHECK([for -l$1], ra_cv_lib_$1,
+  [
+   for path in $6
+   do
+      LIBS="$save_LIBS -L$path"
+      AC_CHECK_LIB($1, $2,
+                   [ra_cv_lib_$1="$3 -L$path -l$1"
+                    break],
+                   [ra_cv_lib_$1=no],$3)
+   done
+  ])
+  RA_RESULT_ACTIONS([ra_cv_lib_$1],[LIB$1],[$4],[$5])
+  LIBS=$save_LIBS
+])
+
+