source/libs/zlib/configure.ac

   1 dnl Process this file with autoconf to produce a configure script.
   2 dnl
   3 dnl   Copyright (C) 2016 Karl Berry <tex-live@tug.org>
   4 dnl   Copyright (C) 2009-2013 Peter Breitenlohner <tex-live@tug.org>
   5 dnl
   6 dnl   This file is free software; the copyright holder
   7 dnl   gives unlimited permission to copy and/or distribute it,
   8 dnl   with or without modifications, as long as this notice is preserved.
   9 dnl
  10 m4_include([version.ac])[] dnl define zlib_version
  11 AC_INIT([zlib (TeX Live)], zlib_version, [tex-k@tug.org])
  12 AC_PREREQ([2.65])
  13 AC_CONFIG_SRCDIR([zlib-src/zlib.h])
  14 AC_CONFIG_AUX_DIR([../../build-aux])
  15 AC_CONFIG_MACRO_DIR([../../m4])
  16
  17 KPSE_BASIC([zlib])
  18
  19 AC_PROG_CC
  20 AC_PROG_RANLIB
  21 AC_PROG_LN_S
  22
  23 KPSE_COMPILER_VISIBILITY
  24
  25 AC_CONFIG_HEADERS([config.h])[]dnl unused, to avoid zillions of -D's on command line
  26
  27 AM_CONDITIONAL([build], [test "x$enable_build" != xno])
  28
  29 if test "x$GCC" = xyes; then
  30   CFLAGS=${CFLAGS-"-O3"}
  31 fi
  32
  33 AC_HEADER_STDC
  34 if test "x$ac_cv_header_stdc" != xyes; then
  35   AC_MSG_ERROR([Sorry, can't do anything for you without header_stdc])
  36 fi
  37
  38 AC_CHECK_HEADER([errno.h],
  39                 [ZLIB_DEFINES=],
  40                 [ZLIB_DEFINES="-DNO_ERRNO_H"])
  41
  42 AC_CHECK_HEADERS([unistd.h])
  43 ZCONF_SRC=[zlib-src/zconf.h.in]
  44 if test x"$ac_cv_header_unistd_h" = xyes; then
  45   zconf_sh='sed <$srcdir/'"$ZCONF_SRC"' "/^#ifdef HAVE_UNISTD_H.* may be/s/def HAVE_UNISTD_H\\(.*\\) may be/ 1\\1 was/" >'
  46 else
  47   zconf_sh='cp $srcdir/'"$ZCONF_SRC"
  48 fi
  49
  50 KPSE_LARGEFILE([ZLIB_DEFINES], [_LARGEFILE64_SOURCE])
  51
  52 AC_CONFIG_COMMANDS([zconf.h],
  53                    [eval "$zconf_sh" zconf.h],
  54                    [zconf_sh='$zconf_sh'])
  55
  56 AC_MSG_CHECKING([for mmap support])
  57 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
  58 #include <sys/mman.h>
  59 #include <sys/stat.h>
  60 caddr_t hello() {
  61   return mmap((caddr_t)0, (off_t)0, PROT_READ, MAP_SHARED, 0, (off_t)0);
  62 }]])],
  63                   [AC_MSG_RESULT([yes])
  64                   ZLIB_DEFINES="$ZLIB_DEFINES -DUSE_MMAP"],
  65                   [AC_MSG_RESULT([no])])
  66
  67 KPSE_CHECK_WIN32
  68 if test "x$kpse_cv_have_win32" != xno; then
  69   ZLIB_DEFINES="$ZLIB_DEFINES -DNO_VIZ"
  70 fi
  71
  72 AC_SUBST([ZLIB_DEFINES])
  73
  74 AC_SUBST([ZLIB_TREE], [zlib-src])
  75
  76 if test -f $srcdir/$ZLIB_TREE/zconf.h; then
  77   AC_MSG_ERROR([Sorry, you must remove the file $ZLIB_TREE/zconf.h])
  78 fi
  79
  80 AC_CONFIG_FILES([Makefile include/Makefile])
  81
  82 AC_OUTPUT