Define NO_GZIP in zconf.h instead of at compile time

CMakeLists.txt

@@ -75,9 +75,6 @@ FILE(GLOB SRC_SHA1 src/block-sha1/*.c)
 FILE(GLOB SRC_PLAT src/unix/*.c)
 FILE(GLOB SRC_H include/git2/*.h)
 
-# Do not build Zlib with GZIP support
-ADD_DEFINITIONS(-DNO_GZIP)
-
 # On Windows use specific platform sources
 IF (WIN32 AND NOT CYGWIN)
     ADD_DEFINITIONS(-DWIN32 -D_DEBUG -D_LIB)

deps/zlib/zconf.h

@@ -10,6 +10,7 @@
 
 #include "../../src/common.h"
 
+#define NO_GZIP
 #define STDC
 
 /* Jeez, don't complain about non-prototype

wscript

@@ -61,9 +61,6 @@ def configure(conf):
         conf.env.PLATFORM = 'unix'
         conf.check_cc(lib='pthread', uselib_store='pthread')
 
-    # Do not build ZLib with GZIP support
-    conf.env.DEFINES += ['NO_GZIP']
-
     # check for sqlite3
     if conf.options.use_sqlite and conf.check_cc(
         lib='sqlite3', uselib_store='sqlite3', install_path=None, mandatory=False):