dnl $Id$ dnl Process this file with autoconf to produce a configure script. dnl dnl Copyright (C) 2016-2020 Karl Berry dnl Copyright (C) 2009-2013 Peter Breitenlohner dnl dnl This file is free software; the copyright holder dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. dnl m4_include([version.ac])[] dnl define zlib_version AC_INIT([zlib (TeX Live)], zlib_version, [tex-k@tug.org]) AC_PREREQ([2.65]) AC_CONFIG_SRCDIR([zlib-src/zlib.h]) AC_CONFIG_AUX_DIR([../../build-aux]) AC_CONFIG_MACRO_DIR([../../m4]) KPSE_BASIC([zlib]) AC_PROG_CC AC_PROG_RANLIB AC_PROG_LN_S KPSE_COMPILER_VISIBILITY AC_CONFIG_HEADERS([config.h])[]dnl unused, to avoid zillions of -D's on command line AM_CONDITIONAL([build], [test "x$enable_build" != xno]) AC_CHECK_HEADER([errno.h], [ZLIB_DEFINES=], [ZLIB_DEFINES="-DNO_ERRNO_H"]) AC_CHECK_HEADERS([unistd.h]) ZCONF_SRC=[zlib-src/zconf.h.in] if test x"$ac_cv_header_unistd_h" = xyes; then zconf_sh='sed <$srcdir/'"$ZCONF_SRC"' "/^#ifdef HAVE_UNISTD_H.* may be/s/def HAVE_UNISTD_H\\(.*\\) may be/ 1\\1 was/" >' else zconf_sh='cp $srcdir/'"$ZCONF_SRC" fi KPSE_LARGEFILE([ZLIB_DEFINES], [_LARGEFILE64_SOURCE]) AC_CONFIG_COMMANDS([zconf.h], [eval "$zconf_sh" zconf.h], [zconf_sh='$zconf_sh']) AC_MSG_CHECKING([for mmap support]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include #include #include caddr_t hello() { return mmap((caddr_t)0, (off_t)0, PROT_READ, MAP_SHARED, 0, (off_t)0); }]])], [AC_MSG_RESULT([yes]) ZLIB_DEFINES="$ZLIB_DEFINES -DUSE_MMAP"], [AC_MSG_RESULT([no])]) KPSE_CHECK_WIN32 if test "x$kpse_cv_have_win32" != xno; then ZLIB_DEFINES="$ZLIB_DEFINES -DNO_VIZ" fi AC_SUBST([ZLIB_DEFINES]) AC_SUBST([ZLIB_TREE], [zlib-src]) if test -f $srcdir/$ZLIB_TREE/zconf.h; then AC_MSG_ERROR([Sorry, you must remove the file $ZLIB_TREE/zconf.h]) fi AC_CONFIG_FILES([Makefile include/Makefile]) AC_OUTPUT