diff options
Diffstat (limited to 'ext')
| -rw-r--r-- | ext/zlib/extconf.rb | 1 | ||||
| -rw-r--r-- | ext/zlib/zlib.c | 6 |
2 files changed, 6 insertions, 1 deletions
diff --git a/ext/zlib/extconf.rb b/ext/zlib/extconf.rb index 499f55a046..d94fea743b 100644 --- a/ext/zlib/extconf.rb +++ b/ext/zlib/extconf.rb @@ -58,6 +58,7 @@ if %w'z libz zlib1 zlib zdll'.find {|z| have_library(z, 'deflateReset')} and have_func('crc32_combine', 'zlib.h') have_func('adler32_combine', 'zlib.h') + have_type('z_crc_t', 'zlib.h') create_makefile('zlib') diff --git a/ext/zlib/zlib.c b/ext/zlib/zlib.c index d8cbe2fd65..fee74bfc98 100644 --- a/ext/zlib/zlib.c +++ b/ext/zlib/zlib.c @@ -505,7 +505,11 @@ rb_zlib_crc32_combine(VALUE klass, VALUE crc1, VALUE crc2, VALUE len2) static VALUE rb_zlib_crc_table(VALUE obj) { - const unsigned long *crctbl; +#if !defined(HAVE_TYPE_Z_CRC_T) + /* z_crc_t is defined since zlib-1.2.7. */ + typedef unsigned long z_crc_t; +#endif + const z_crc_t *crctbl; VALUE dst; int i; |