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annotate zlib/configure.ac @ 158:494b0b89df80 default tip

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 1830386684a0
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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51
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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1 dnl Process this with autoconf to create configure
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2
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3 AC_INIT([zlib], [1.1.4])
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4 AC_CONFIG_SRCDIR([zlib.h])
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5
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6 if test -n "${with_target_subdir}"; then
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7 AM_ENABLE_MULTILIB(, ..)
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8 fi
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9
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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10 AC_CANONICAL_SYSTEM
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11
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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12 # This works around an automake problem.
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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13 mkinstalldirs="`cd $ac_aux_dir && ${PWDCMD-pwd}`/mkinstalldirs"
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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14 AC_SUBST(mkinstalldirs)
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15
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16 AM_INIT_AUTOMAKE
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17
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18 AM_MAINTAINER_MODE
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19
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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20 dnl We use these options to decide which functions to include.
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21 AC_ARG_WITH(target-subdir,
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22 [ --with-target-subdir=SUBDIR
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23 configuring in a subdirectory])
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24
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25 if test -z "$with_target_subdir" || test "$with_target_subdir" = "."; then
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26 COMPPATH=.
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27 else
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28 COMPPATH=..
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29 fi
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30 AC_SUBST(COMPPATH)
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31
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32 AC_ARG_WITH(cross-host,
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33 [ --with-cross-host=HOST configuring with a cross compiler])
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34
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35 dnl Default to --enable-multilib
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36 AC_ARG_ENABLE(multilib,
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37 [ --enable-multilib build many library versions (default)],
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38 [case "${enableval}" in
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39 yes) multilib=yes ;;
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40 no) multilib=no ;;
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41 *) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;
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42 esac], [test -z "$with_target_subdir" && multilib=no || multilib=yes])dnl
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43
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44 AC_ARG_WITH(system-zlib,
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45 [ --with-system-zlib use installed libz])
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46
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47 # Make sure we don't test executables when making cross-tools.
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48 GCC_NO_EXECUTABLES
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49
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50 # The same as in boehm-gc and libstdc++. Have to borrow it from there.
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51 # We must force CC to /not/ be precious variables; otherwise
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52 # the wrong, non-multilib-adjusted value will be used in multilibs.
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53 # As a side effect, we have to subst CFLAGS ourselves.
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54
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55 m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS])
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56 m4_define([_AC_ARG_VAR_PRECIOUS],[])
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57 AC_PROG_CC
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58 m4_rename_force([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
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59
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60 AC_SUBST(CFLAGS)
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61
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62 AC_PROG_LIBTOOL
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63
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64 # Find CPP now so that any conditional tests below won't do it and
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65 # thereby make the resulting definitions conditional.
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66 AC_PROG_CPP
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67
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68 if test -n "$with_cross_host"; then
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69 # We are being configured with a cross compiler. AC_REPLACE_FUNCS
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70 # may not work correctly, because the compiler may not be able to
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71 # link executables.
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72
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73 # We assume newlib. This lets us hard-code the functions we know
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74 # we'll have.
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75 AC_DEFINE(HAVE_MEMCPY)
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76 AC_DEFINE(HAVE_STRERROR)
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77 else
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78 AC_FUNC_MMAP
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79 AC_CHECK_FUNCS(memcpy strerror)
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80 fi
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81
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82 AC_CHECK_HEADERS(unistd.h)
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83
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84 GCC_WITH_TOOLEXECLIBDIR
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85
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86 if test -n "$with_cross_host" &&
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87 test x"$with_cross_host" != x"no"; then
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88 toolexecdir='$(exec_prefix)/$(target_alias)'
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89 case ${with_toolexeclibdir} in
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90 no)
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91 toolexeclibdir='$(toolexecdir)/lib'
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92 ;;
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93 *)
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94 toolexeclibdir=${with_toolexeclibdir}
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95 ;;
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96 esac
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97 else
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98 toolexecdir='$(libdir)/gcc-lib/$(target_alias)'
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99 toolexeclibdir='$(libdir)'
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100 fi
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101 if test "$GCC" = yes && $CC -print-multi-os-directory > /dev/null 2>&1; then
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102 multiosdir=/`$CC -print-multi-os-directory`
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103 case $multiosdir in
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104 /.) multiosdir= ;; # Avoid trailing /.
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105 esac
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106 else
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107 multiosdir=
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108 fi
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109 toolexeclibdir=${toolexeclibdir}${multiosdir}
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110 AC_SUBST(toolexecdir)
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111 AC_SUBST(toolexeclibdir)
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112
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113 AM_CONDITIONAL(TARGET_LIBRARY, test -n "$with_target_subdir")
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114
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115 if test "${multilib}" = "yes"; then
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116 multilib_arg="--enable-multilib"
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117 else
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118 multilib_arg=
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119 fi
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120
111
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121 AC_ARG_ENABLE(host-shared,
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122 [AS_HELP_STRING([--enable-host-shared],
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123 [build host code as shared libraries])],
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124 [PICFLAG=-fPIC], [PICFLAG=])
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125 AC_SUBST(PICFLAG)
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126
51
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127 AC_CONFIG_FILES([Makefile])
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
128 AC_OUTPUT