build: fix 'ar' invocation when cross-compiling

This shouldn't use the host's 'ar' when building static libs. It only
worked until now because Linux 'ar' is usually built with PE support.

Couldn't confirm whether it works, because this dumb crap is just
broken when cross-compiling to mingw.

1 files changed, 3 insertions, 1 deletions

diff --git a/wscript b/wscript
index c8b8754562..ece79db68d 100644
--- a/wscript
+++ b/wscript
@@ -833,15 +833,17 @@ def configure(ctx):
     ctx.resetenv(ctx.options.variant)
     ctx.check_waf_version(mini='1.8.1')
     target = os.environ.get('TARGET')
-    (cc, pkg_config, windres) = ('cc', 'pkg-config', 'windres')
+    (cc, pkg_config, ar, windres) = ('cc', 'pkg-config', 'ar', 'windres')
 
     if target:
         cc         = '-'.join([target, 'gcc'])
         pkg_config = '-'.join([target, pkg_config])
+        ar         = '-'.join([target, ar])
         windres    = '-'.join([target, windres])
 
     ctx.find_program(cc,          var='CC')
     ctx.find_program(pkg_config,  var='PKG_CONFIG')
+    ctx.find_program(ar,          var='AR')
     ctx.find_program('perl',      var='BIN_PERL')
     ctx.find_program('rst2man',   var='RST2MAN',   mandatory=False)
     ctx.find_program('rst2pdf',   var='RST2PDF',   mandatory=False)