third_party/zlib: Initial copy of zlib.

Signed-off-by: Ira Cooper <ira@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>

1 files changed, 30 insertions, 0 deletions

diff --git a/third_party/zlib/wscript b/third_party/zlib/wscript
new file mode 100644
index 00000000000..9965fe27601
--- /dev/null
+++ b/third_party/zlib/wscript
@@ -0,0 +1,30 @@
+#!/usr/bin/env python
+
+def configure(conf):
+    version_check='''
+        #if (ZLIB_VERNUM >= 0x1230)
+        #else
+        #error "ZLIB_VERNUM < 0x1230"
+        #endif
+        z_stream *z;
+        inflateInit2(z, -15);
+        '''
+
+    if conf.CHECK_BUNDLED_SYSTEM('z', minversion='1.2.3', pkg='zlib',
+                                 checkfunctions='zlibVersion',
+                                 headers='zlib.h',
+                                 checkcode=version_check,
+                                 implied_deps='replace'):
+        conf.define('USING_SYSTEM_ZLIB', 1)
+
+def build(bld):
+    if bld.CONFIG_SET('USING_SYSTEM_ZLIB'):
+        return
+
+    bld.SAMBA_LIBRARY('z',
+                      private_library=True,
+                      deps='replace',
+                      allow_warnings=True,
+                      source='''adler32.c compress.c crc32.c gzio.c
+                                uncompr.c deflate.c trees.c zutil.c
+                                inflate.c infback.c inftrees.c inffast.c''')