1 # Public macros for the TeX Live (TL) tree.
2 # Copyright (C) 2009-2013 Peter Breitenlohner <tex-live@tug.org>
4 # This file is free software; the copyright holder
5 # gives unlimited permission to copy and/or distribute it,
6 # with or without modifications, as long as this notice is preserved.
10 # Provide the configure options '--with-system-zlib' (if in the TL tree),
11 # '--with-zlib-includes', and '--with-zlib-libdir'.
13 # Also test if <zlib.h> defines 'z_const' and define ZLIB_CONST or z_const.
15 # Set the make variables ZLIB_INCLUDES and ZLIB_LIBS to the CPPFLAGS and
16 # LIBS required for the `-lz' library in libs/zlib/ of the TL tree.
17 AC_DEFUN([KPSE_ZLIB_FLAGS], [dnl
18 AC_REQUIRE([KPSE_SAVE_FLAGS])[]dnl
19 _KPSE_LIB_FLAGS([zlib], [z], [],
20 [-IBLD/libs/zlib/include], [BLD/libs/zlib/libz.a], [],
21 [], [${top_builddir}/../../libs/zlib/include/zconf.h])[]dnl
22 AC_CACHE_CHECK([if <zlib.h> defines 'z_const'],
23 [kpse_cv_have_decl_z_const],
24 [KPSE_ADD_FLAGS([zlib])
25 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <zlib.h>]],
26 [[z_const char * foo();]])],
27 [kpse_cv_have_decl_z_const=yes],
28 [kpse_cv_have_decl_z_const=no])
30 AS_CASE([$kpse_cv_have_decl_z_const],
31 [yes], [AC_DEFINE([ZLIB_CONST], [1], [Define to 1 if <zlib.h> declares 'z_const'.])],
32 [AC_DEFINE([z_const], [], [Define as empty if not declared in <zlib.h>.])])
35 # KPSE_ZLIB_OPTIONS([WITH-SYSTEM])
36 # --------------------------------
37 AC_DEFUN([KPSE_ZLIB_OPTIONS], [_KPSE_LIB_OPTIONS([zlib], [$1])])
39 # KPSE_ZLIB_SYSTEM_FLAGS
40 # ----------------------
41 AC_DEFUN([KPSE_ZLIB_SYSTEM_FLAGS], [_KPSE_LIB_FLAGS_SYSTEM([zlib], [z])])