summaryrefslogtreecommitdiff
path: root/configure.ac
blob: 9d33ec902166d9840b84cb21f515fcbaff7d8007 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
dnl Process this file with -*- autoconf -*- to produce a configure script.
AC_INIT([GNU sed], 4.2.2, bug-sed@gnu.org, sed)
AC_CONFIG_AUX_DIR(build-aux)
AC_CONFIG_SRCDIR([sed/sed.c])
AM_CONFIG_HEADER(config.h:config_h.in)
AC_PREREQ(2.60)
AM_INIT_AUTOMAKE

SED_FEATURE_VERSION=4.2.2
AC_DEFINE_UNQUOTED(SED_FEATURE_VERSION, "$SED_FEATURE_VERSION",
  [Define to the version of GNU sed whose features are supported by this sed.])
AC_SUBST(SED_FEATURE_VERSION)

COPYRIGHT_YEAR=2012
AC_SUBST(COPYRIGHT_YEAR)

AC_PROG_CC
gl_EARLY
gl_INIT
gl_DISABLE_THREADS
AC_CACHE_CHECK([whether "rt" can be used with fopen], [sed_cv_fopen_rt], [
AC_TRY_RUN([
#include <stdio.h>
#include <errno.h>

int main()
{
  FILE *fp;
  int result;
  errno = 0;
  fp = fopen ("conftest.c", "rt");
  if (fp) fclose (fp);
  return fp ? 0 : 1;
}], [sed_cv_fopen_rt=yes],
    [sed_cv_fopen_rt=no],
    [case $host in
       *cygwin* | *mingw*) sed_cv_fopen_rt=yes ;;
       *) sed_cv_fopen_rt='assuming no' ;;
     esac])])
if test "$sed_cv_fopen_rt" = yes; then
  AC_DEFINE([HAVE_FOPEN_RT], [1],
            [Defined if "rt" can be used as a mode to fopen.])
fi

AC_CACHE_CHECK([whether -lcP is needed], [sed_cv_libcp_needed], [
AC_TRY_RUN([
#include <stdio.h>
#include <errno.h>

int main()
{
  FILE *fp;
  int result;
  errno = 0;
  fp = fopen ("conftest.c", "r");
  if (!fp) return 0;	   /* error, assume not needed */
  result = fflush (fp) == EOF && errno == 0;
  fclose (fp);
  return result;
}], [sed_cv_libcp_needed=no],
    [sed_cv_libcp_needed=yes],
    [sed_cv_libcp_needed="assuming no"])
])
if test "$sed_cv_libcp_needed" = yes; then
  LIBS="-lcP $LIBS"
fi

AC_CHECK_HEADERS_ONCE(locale.h errno.h wchar.h wctype.h mcheck.h,
		      [], [], [AC_INCLUDES_DEFAULT])
AC_C_CONST
AC_TYPE_SIZE_T

AM_GNU_GETTEXT_VERSION(0.17)
AM_GNU_GETTEXT([external])

AC_CHECK_FUNCS_ONCE(isatty isascii memcpy strchr strtoul lstat readlink
		    popen pathconf fchown fchmod setlocale)

# Check whether we are able to follow symlinks
if test "$ac_cv_func_lstat:$ac_cv_func_readlink" = yes:yes; then
   AC_DEFINE(ENABLE_FOLLOW_SYMLINKS, ,[Follow symlinks when processing in place])
fi

AC_ARG_ENABLE(i18n,
[  --disable-i18n          disable internationalization (default=enabled)], ,
enable_i18n=yes)
if test "x$enable_i18n" = xno; then
  ac_cv_func_wcscoll=no
fi

AC_ARG_ENABLE(regex-tests, 
[  --enable-regex-tests    enable regex matcher regression tests (default=yes)],
[if test "x$with_included_regex" = xno; then
  enable_regex_tests=no
fi],
enable_regex_tests=$with_included_regex)

AM_CONDITIONAL(TEST_REGEX, test "x$enable_regex_tests" = xyes)
if test "x$enable_regex_tests" = xyes; then
  AC_DEFINE_UNQUOTED(_REGEX_RE_COMP, 1,
    [Include BSD functions in regex, used by the testsuite])
fi

# Determine whether we should run UTF-8 tests by checking if cyrillic
# letters are case-folded properly.  The test for UTF-8 locales (both
# in general and specifically for a Russian one) is a bit weak, but it
# should match exactly what is done in the testsuite.  In fact, sed's
# logic is portable (though testing it requires care) so it is enough to
# have a couple of platforms where these tests pass.  Right now, only
# Windows and HP/UX do not support the tests.
AC_MSG_CHECKING([whether UTF-8 case folding tests should pass])
AC_TRY_RUN([
#include <locale.h>
#include <string.h>
#include <stdlib.h>
#include <wchar.h>
#ifdef HAVE_WCTYPE_H
#include <wctype.h>
#endif

int test(void)
{
  char in[] = "\xD0\xB4";
  char good[] = "\xD0\x94";
  char out[10];
  wchar_t in_wc, good_wc;
  if (mbtowc (&in_wc, in, 3) == -1)
    return 0;
  if (mbtowc (&good_wc, good, 3) == -1)
    return 0;
  if (towupper (in_wc) != good_wc)
    return 0;
  if (wctomb (out, good_wc) != 2)
    return 0;
  if (memcmp (out, good, 2))
    return 0;
  return 1;
}

int main()
{
  char *old;
  int len;

  /* Try hardcoding a Russian UTF-8 locale.  If the name "ru_RU.UTF-8"
     is invalid, use setlocale again just to get the current locale.  */
  old = setlocale (LC_CTYPE, "ru_RU.UTF-8");
  if (old)
    {
      if (test())
        exit (0);
    }
  else
    old = setlocale (LC_CTYPE, "C");

  /* Maybe cyrillic case folding is implemented for all UTF-8 locales.
     If the current locale is not UTF-8, the test will be skipped.  */
  len = strlen (old);
  if ((len > 6 && !strcmp (old + len - 6, ".UTF-8"))
      || (len > 6 && !strcmp (old + len - 6, ".utf-8"))
      || (len > 5 && !strcmp (old + len - 5, ".UTF8"))
      || (len > 5 && !strcmp (old + len - 5, ".utf8")))

    /* ok */
    ;
  else
    exit (1);

  /* Run the test in the detected UTF-8 locale.  */
  setlocale (LC_CTYPE, old);
  exit (!test ());
}
], [AC_MSG_RESULT([yes]); XFAIL_TESTS=],
   [AC_MSG_RESULT([no]); XFAIL_TESTS='utf8-1 utf8-2 utf8-3 utf8-4'],
   [AC_MSG_RESULT([don't care (cross compiling)]); XFAIL_TESTS=])

# Under MinGW, the bsd.sh test fails because of the EOF character (^Z).
case $host in
  *mingw*) XFAIL_TESTS="$XFAIL_TESTS bsd" ;;
  *) ;;
esac
AC_SUBST([XFAIL_TESTS])

AC_CONFIG_FILES([testsuite/version.good:testsuite/version.gin])
AC_CONFIG_FILES([Makefile doc/Makefile \
lib/Makefile sed/Makefile testsuite/Makefile \
po/Makefile.in])
AC_OUTPUT