dnl Process this file with autoconf to produce a configure script. dnl dnl Copyright (C) 2009, 2010 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_define([zlib_version], [1.2.5])[]dnl using unmodified zlib source tree AC_INIT([zlib for TeX Live], zlib_version, [tex-k@tug.org]) AC_PREREQ([2.65]) AC_CONFIG_SRCDIR([zlib-]zlib_version[/zlib.h]) AC_CONFIG_AUX_DIR([../../build-aux]) AC_CONFIG_MACRO_DIR([../../m4]) AM_INIT_AUTOMAKE([foreign]) AM_MAINTAINER_MODE AC_PROG_CC AC_PROG_RANLIB AC_PROG_LN_S AC_CONFIG_HEADERS([config.h])[]dnl unused, to avoid zillions of -D' on command line AM_CONDITIONAL([build], [test "x$enable_build" != xno]) if test "x$GCC" = xyes; then CFLAGS=${CFLAGS-"-O3"} fi AC_HEADER_STDC if test "x$ac_cv_header_stdc" != xyes; then AC_MSG_ERROR([Sorry, can't do anything for you]) fi AC_CHECK_HEADERS([unistd.h]) dnl zlib-1.2.3 has zconf.in.h, whereas zlib-1.2.4 has zconf.h.in m4_if(zlib_version, [1.2.3], [ ZCONF_SRC=zlib-[]zlib_version/zconf.in.h if test x"$ac_cv_header_unistd_h" = xyes; then zconf_sh='sed <$srcdir/'"$ZCONF_SRC"' "/HAVE_UNISTD_H/s%0%1%" >' else zconf_sh='cp $srcdir/'"$ZCONF_SRC" fi AC_SUBST([OTHER_TREE], [zlib-1.2.4])], [ ZCONF_SRC=zlib-[]zlib_version/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 AC_SUBST([OTHER_TREE], [zlib-1.2.3])]) AM_CONDITIONAL([ZLIB123], [test "x]zlib_version[" = x1.2.3]) AC_CONFIG_COMMANDS([zconf.h], [eval "$zconf_sh" zconf.h], [zconf_sh='$zconf_sh']) AC_CHECK_HEADER([errno.h], [ZLIB_DEFINES=], [ZLIB_DEFINES="-DNO_ERRNO_H"]) 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])]) AC_SUBST([ZLIB_DEFINES]) ZLIB_TREE=zlib-[]zlib_version AC_SUBST([ZLIB_TREE]) 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