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1 # -*- Autoconf -*-
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2 # Process this file with autoconf to produce a configure script.
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3
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4 AC_PREREQ(2.59)
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5 AC_INIT(cpplib, [ ], gcc-bugs@gcc.gnu.org, cpplib)
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6 AC_CONFIG_SRCDIR(ucnid.h)
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7 AC_CONFIG_MACRO_DIR(../config)
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8 AC_CANONICAL_SYSTEM
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9
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10 # Checks for programs.
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11 AC_PROG_MAKE_SET
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12 AC_PROG_INSTALL
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13 AC_PROG_CC
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14 AC_PROG_RANLIB
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15
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16 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
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17 AC_CHECK_PROGS([ACLOCAL], [aclocal], [$MISSING aclocal])
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18 AC_CHECK_PROGS([AUTOCONF], [autoconf], [$MISSING autoconf])
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19 AC_CHECK_PROGS([AUTOHEADER], [autoheader], [$MISSING autoheader])
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20
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21 # Figure out what compiler warnings we can enable.
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22 # See config/warnings.m4 for details.
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23
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24 ACX_PROG_CC_WARNING_OPTS([-W -Wall -Wwrite-strings -Wstrict-prototypes \
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25 -Wmissing-prototypes -Wold-style-definition \
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26 -Wmissing-format-attribute])
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27 ACX_PROG_CC_WARNING_ALMOST_PEDANTIC([-Wno-long-long])
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28
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29 # Only enable with --enable-werror-always until existing warnings are
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30 # corrected.
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31 ACX_PROG_CC_WARNINGS_ARE_ERRORS([manual])
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32
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33 # Dependency checking.
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34 ZW_CREATE_DEPDIR
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35 ZW_PROG_COMPILER_DEPENDENCIES([CC])
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36
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37 # Checks for header files.
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38 AC_HEADER_TIME
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39 ACX_HEADER_STRING
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40 AC_CHECK_HEADERS(iconv.h locale.h fcntl.h limits.h stddef.h \
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41 stdlib.h strings.h string.h sys/file.h unistd.h)
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42
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43 # Checks for typedefs, structures, and compiler characteristics.
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44 AC_C_CONST
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45 AC_C_INLINE
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46 AC_FUNC_OBSTACK
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47 AC_TYPE_OFF_T
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48 AC_TYPE_SIZE_T
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49 AC_CHECK_TYPE(ssize_t, int)
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50 AC_STRUCT_TM
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51 AC_CHECK_SIZEOF(int)
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52 AC_CHECK_SIZEOF(long)
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53 define(libcpp_UNLOCKED_FUNCS, clearerr_unlocked feof_unlocked dnl
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54 ferror_unlocked fflush_unlocked fgetc_unlocked fgets_unlocked dnl
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55 fileno_unlocked fprintf_unlocked fputc_unlocked fputs_unlocked dnl
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56 fread_unlocked fwrite_unlocked getchar_unlocked getc_unlocked dnl
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57 putchar_unlocked putc_unlocked)
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58 AC_CHECK_FUNCS(libcpp_UNLOCKED_FUNCS)
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59 AC_CHECK_DECLS(m4_split(m4_normalize(abort asprintf basename errno getopt \
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60 libcpp_UNLOCKED_FUNCS vasprintf)))
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61
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62 # Checks for library functions.
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63 AC_FUNC_ALLOCA
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64 AC_HEADER_STDC
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65 AM_LANGINFO_CODESET
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66 ZW_GNU_GETTEXT_SISTER_DIR
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67
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68 AC_CACHE_CHECK(for uchar, gcc_cv_type_uchar,
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69 [AC_TRY_COMPILE([
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70 #include <sys/types.h>
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71 ],
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72 [if ((uchar *)0) return 0;
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73 if (sizeof(uchar)) return 0;],
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74 ac_cv_type_uchar=yes, ac_cv_type_uchar=no)])
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75 if test $ac_cv_type_uchar = yes; then
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76 AC_DEFINE(HAVE_UCHAR, 1,
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77 [Define if <sys/types.h> defines \`uchar'.])
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78 fi
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79
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80 AM_ICONV
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81
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82 # More defines and substitutions.
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83 PACKAGE="$PACKAGE_TARNAME"
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84 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Define to the name of this package.])
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85 AC_SUBST(PACKAGE)
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86
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87 if test "x$enable_nls" != xno; then
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88 USED_CATALOGS='$(CATALOGS)'
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89 else
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90 USED_CATALOGS=
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91 fi
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92 AC_SUBST(USED_CATALOGS)
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93
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94 AC_ARG_ENABLE(maintainer-mode,
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95 [ --enable-maintainer-mode enable rules only needed by maintainers],,
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96 enable_maintainer_mode=no)
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97
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98 if test "x$enable_maintainer_mode" = xno; then
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99 MAINT='#'
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100 else
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101 MAINT=
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102 fi
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103 AC_SUBST(MAINT)
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104
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105 AC_ARG_ENABLE(checking,
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106 [ --enable-checking enable expensive run-time checks],,
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107 enable_checking=no)
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108
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109 if test $enable_checking != no ; then
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110 AC_DEFINE(ENABLE_CHECKING, 1,
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111 [Define if you want more run-time sanity checks.])
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112 fi
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113
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114 m4_changequote(,)
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115 case $target in
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116 alpha*-*-* | \
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117 arm*-*-*eabi* | \
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118 arm*-*-symbianelf* | \
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119 x86_64-*-* | \
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120 ia64-*-* | \
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121 hppa*64*-*-* | \
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122 i[34567]86-*-darwin* | \
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123 i[34567]86-*-solaris2.1[0-9]* | \
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124 mips*-*-* | \
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125 mmix-*-* | \
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126 powerpc*-*-* | \
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127 rs6000*-*-* | \
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128 s390*-*-* | \
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129 sparc*-*-* | \
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130 spu-*-* | \
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131 sh[123456789lbe]*-*-* | sh-*-*)
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132 need_64bit_hwint=yes ;;
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133 i[34567]86-*-linux*)
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134 if test "x$enable_targets" = xall; then
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135 need_64bit_hwint=yes
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136 else
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137 need_64bit_hwint=no
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138 fi
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139 ;;
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140 *)
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141 need_64bit_hwint=no ;;
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142 esac
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143
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144 case $need_64bit_hwint:$ac_cv_sizeof_long in
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145 *:8 | no:*) host_wide_int=long ;;
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146 *) host_wide_int='long long' ;;
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147 esac
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148 m4_changequote([,])
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149
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150 AC_DEFINE_UNQUOTED(HOST_WIDE_INT, $host_wide_int,
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151 [Define to the widest efficient host integer type at least
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152 as wide as the target's size_t type.])
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153
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154 # Output.
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155
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156 AC_CONFIG_HEADERS(config.h:config.in, [echo timestamp > stamp-h1])
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157 AC_CONFIG_FILES(Makefile)
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158 AC_OUTPUT
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