annotate zlib/configure.ac @ 144:8f4e72ab4e11

fix segmentation fault caused by nothing next cur_op to end
author Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
date Sun, 23 Dec 2018 21:23:56 +0900
parents 84e7813d76e9
children 1830386684a0
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
51
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1 dnl Process this with autoconf to create configure
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2
55
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3 AC_PREREQ(2.64)
51
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4 AC_INIT
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5 AC_CONFIG_SRCDIR([zlib.h])
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6
131
84e7813d76e9 gcc-8.2
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7 if test -n "${with_target_subdir}"; then
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8 AM_ENABLE_MULTILIB(, ..)
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9 fi
51
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10
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11 AC_CANONICAL_SYSTEM
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12
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13 # This works around an automake problem.
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14 mkinstalldirs="`cd $ac_aux_dir && ${PWDCMD-pwd}`/mkinstalldirs"
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15 AC_SUBST(mkinstalldirs)
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16
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17 AM_INIT_AUTOMAKE(zlib, 1.1.4)
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18
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19 AM_MAINTAINER_MODE
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20
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21 dnl We use these options to decide which functions to include.
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22 AC_ARG_WITH(target-subdir,
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23 [ --with-target-subdir=SUBDIR
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24 configuring in a subdirectory])
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25
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26 if test -z "$with_target_subdir" || test "$with_target_subdir" = "."; then
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27 COMPPATH=.
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28 else
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29 COMPPATH=..
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30 fi
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31 AC_SUBST(COMPPATH)
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32
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33 AC_ARG_WITH(cross-host,
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34 [ --with-cross-host=HOST configuring with a cross compiler])
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35
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36 dnl Default to --enable-multilib
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37 AC_ARG_ENABLE(multilib,
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38 [ --enable-multilib build many library versions (default)],
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39 [case "${enableval}" in
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40 yes) multilib=yes ;;
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41 no) multilib=no ;;
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42 *) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;
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43 esac], [test -z "$with_target_subdir" && multilib=no || multilib=yes])dnl
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44
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45 AC_ARG_WITH(system-zlib,
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46 [ --with-system-zlib use installed libz])
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47
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48 # Make sure we don't test executables when making cross-tools.
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49 GCC_NO_EXECUTABLES
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50
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51 # The same as in boehm-gc and libstdc++. Have to borrow it from there.
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52 # We must force CC to /not/ be precious variables; otherwise
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53 # the wrong, non-multilib-adjusted value will be used in multilibs.
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54 # As a side effect, we have to subst CFLAGS ourselves.
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55
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56 m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS])
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57 m4_define([_AC_ARG_VAR_PRECIOUS],[])
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58 AC_PROG_CC
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59 m4_rename_force([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
51
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60
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61 AC_SUBST(CFLAGS)
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62
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63 AC_PROG_LIBTOOL
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64
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65 # Find CPP now so that any conditional tests below won't do it and
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66 # thereby make the resulting definitions conditional.
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67 AC_PROG_CPP
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68
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69 if test -n "$with_cross_host"; then
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70 # We are being configured with a cross compiler. AC_REPLACE_FUNCS
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71 # may not work correctly, because the compiler may not be able to
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72 # link executables.
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73
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74 # We assume newlib. This lets us hard-code the functions we know
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75 # we'll have.
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76 AC_DEFINE(HAVE_MEMCPY)
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77 AC_DEFINE(HAVE_STRERROR)
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78
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79 # We ignore --with-system-zlib in this case.
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80 target_all=libzgcj.la
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81 else
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82 AC_FUNC_MMAP
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83 AC_CHECK_FUNCS(memcpy strerror)
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84
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85 if test "$with_system_zlib" = yes; then
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86 AC_CHECK_LIB(z, deflate, target_all=, target_all=libzgcj.la)
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87 else
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88 target_all=libzgcj.la
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89 fi
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90 fi
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91
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92 AC_SUBST(target_all)
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93
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94 AC_CHECK_HEADERS(unistd.h)
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95
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96 if test -n "$with_cross_host" &&
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97 test x"$with_cross_host" != x"no"; then
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98 toolexecdir='$(exec_prefix)/$(target_alias)'
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99 toolexeclibdir='$(toolexecdir)/lib'
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100 else
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101 toolexecdir='$(libdir)/gcc-lib/$(target_alias)'
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102 toolexeclibdir='$(libdir)'
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103 fi
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104 if test "$GCC" = yes && $CC -print-multi-os-directory > /dev/null 2>&1; then
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105 multiosdir=/`$CC -print-multi-os-directory`
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106 case $multiosdir in
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107 /.) multiosdir= ;; # Avoid trailing /.
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108 esac
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109 else
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110 multiosdir=
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111 fi
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112 toolexeclibdir=${toolexeclibdir}${multiosdir}
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113 AC_SUBST(toolexecdir)
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114 AC_SUBST(toolexeclibdir)
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115
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116 AM_CONDITIONAL(TARGET_LIBRARY, test -n "$with_target_subdir")
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117
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118 if test "${multilib}" = "yes"; then
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119 multilib_arg="--enable-multilib"
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parents:
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120 else
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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121 multilib_arg=
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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122 fi
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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123
111
kono
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124 AC_ARG_ENABLE(host-shared,
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125 [AS_HELP_STRING([--enable-host-shared],
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126 [build host code as shared libraries])],
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127 [PICFLAG=-fPIC], [PICFLAG=])
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128 AC_SUBST(PICFLAG)
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129
51
ae3a4bfb450b add some files of version 4.4.3 that have been forgotten.
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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130 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:
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131 AC_OUTPUT