1 files changed, 55 insertions, 0 deletions
diff --git a/external/python3/internal-zlib.patch.0 b/external/python3/internal-zlib.patch.0
new file mode 100644
index 000000000..27bb737db
--- /dev/null
+++ b/external/python3/internal-zlib.patch.0
@@ -0,0 +1,55 @@
+--- configure
++++ configure
+@@ -11607,13 +11607,13 @@
+ 	;;
+ esac
+ 
+-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for inflateCopy in -lz" >&5
+-$as_echo_n "checking for inflateCopy in -lz... " >&6; }
++{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for inflateCopy in -lzlib" >&5
++$as_echo_n "checking for inflateCopy in -lzlib... " >&6; }
+ if ${ac_cv_lib_z_inflateCopy+:} false; then :
+   $as_echo_n "(cached) " >&6
+ else
+   ac_check_lib_save_LIBS=$LIBS
+-LIBS="-lz  $LIBS"
++LIBS="-lzlib  $LIBS"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+ /* end confdefs.h.  */
+ 
+--- setup.py
++++ setup.py
+@@ -1483,7 +1483,7 @@
+         #
+         # You can upgrade zlib to version 1.1.4 yourself by going to
+         # http://www.gzip.org/zlib/
+-        zlib_inc = find_file('zlib.h', [], self.inc_dirs)
++        zlib_inc = [os.environ.get('ZLIB_INCDIR')]
+         have_zlib = False
+         if zlib_inc is not None:
+             zlib_h = zlib_inc[0] + '/zlib.h'
+@@ -1500,13 +1500,13 @@
+                         version = line.split()[2]
+                         break
+             if version >= version_req:
+-                if (self.compiler.find_library_file(self.lib_dirs, 'z')):
++                if (self.compiler.find_library_file(self.lib_dirs, 'zlib')):
+                     if MACOS:
+                         zlib_extra_link_args = ('-Wl,-search_paths_first',)
+                     else:
+                         zlib_extra_link_args = ()
+                     self.add(Extension('zlib', ['zlibmodule.c'],
+-                                       libraries=['z'],
++                                       libraries=['zlib'],
+                                        extra_link_args=zlib_extra_link_args))
+                     have_zlib = True
+                 else:
+@@ -1520,7 +1520,7 @@
+         # crc32 if we have it.  Otherwise binascii uses its own.
+         if have_zlib:
+             extra_compile_args = ['-DUSE_ZLIB_CRC32']
+-            libraries = ['z']
++            libraries = ['zlib']
+             extra_link_args = zlib_extra_link_args
+         else:
+             extra_compile_args = []