[rtems_waf commit] rtems: Add a library check.

[Chris Johns]

Module:    rtems_waf
Branch:    master
Commit:    e7a75df6531beec1c1b0d18fcaf2cfce7693920c
Changeset: http://git.rtems.org/rtems_waf/commit/?id=e7a75df6531beec1c1b0d18fcaf2cfce7693920c

Author:    Chris Johns <chrisj at rtems.org>
Date:      Thu Sep 19 09:04:02 2019 +1000

rtems: Add a library check.

---

 rtems.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/rtems.py b/rtems.py
index af4b5fd..ffb386f 100644
--- a/rtems.py
+++ b/rtems.py
@@ -343,6 +343,14 @@ def check_lib_path(ctx, lib, libpath = [], mandatory = True):
         ctx.env['LIBPATH_lib%s' % (lib)] = '..' + '/..' * (ctx.path.height() - 1) + out
         ctx.end_msg('found')
 
+def check_lib(ctx, libs):
+    if not isinstance(libs, list):
+        lib = [libs]
+    for lib in libs:
+        if 'LIBPATH_lib%s' % (lib) not in ctx.env:
+            return False
+    return True
+
 def check_cpuopt(conf, opt):
     code =  ['#ifndef %s' % (opt)]
     code += ['  #error %s is not defined' % (opt)]