1# Configure template for GNU Diffutils.
2
3# Copyright (C) 1994, 1995, 1998, 2001, 2002 Free Software Foundation, Inc.
4
5# This program is free software; you can redistribute it and/or modify
6# it under the terms of the GNU General Public License as published by
7# the Free Software Foundation; either version 2, or (at your option)
8# any later version.
9
10# This program is distributed in the hope that it will be useful,
11# but WITHOUT ANY WARRANTY; without even the implied warranty of
12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13# GNU General Public License for more details.
14
15# You should have received a copy of the GNU General Public License
16# along with this program; if not, write to the Free Software
17# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
18# 02111-1307, USA.
19
20AC_PREREQ(2.53)
21
22AC_INIT(GNU diffutils, 2.8.1, bug-gnu-utils@gnu.org)
23AC_CONFIG_SRCDIR(src/diff.c)
24
25AC_CONFIG_AUX_DIR(config)
26AM_CONFIG_HEADER([config.h:config.hin])
27AM_INIT_AUTOMAKE([gnits])
28
29AC_PROG_AWK
30AC_PROG_CC
31AC_ISC_POSIX
32AM_PROG_CC_STDC
33AC_PROG_CPP
34AM_MISSING_PROG(HELP2MAN, help2man)
35AC_PROG_INSTALL
36AC_PROG_RANLIB
37
38AC__GNU_SOURCE
39AC_DEFINE([__EXTENSIONS__], 1, [Enable Solaris extensions.])
40AC_SYS_LARGEFILE
41
42AC_C_CONST
43AC_C_INLINE
44AC_C_VARARRAYS
45
46AC_DEFINE(DEFAULT_DIFF_PROGRAM, "diff",
47  [Name of "diff" program, unless overridden.])
48
49AC_DEFINE(DEFAULT_EDITOR_PROGRAM, "ed",
50  [Name of editor program, unless overridden.])
51
52AC_PATH_PROG(PR_PROGRAM, pr, "")
53AC_DEFINE_UNQUOTED(PR_PROGRAM, "$PR_PROGRAM", [Name of "pr" program.])
54
55AC_HEADER_STDBOOL
56AC_HEADER_STDC
57AC_CHECK_HEADERS(fcntl.h libintl.h limits.h locale.h \
58  stdlib.h string.h sys/file.h time.h unistd.h)
59AC_CHECK_MEMBERS([struct stat.st_blksize])
60AC_CHECK_MEMBERS([struct stat.st_rdev])
61AC_CHECK_TYPE(ptrdiff_t, int)
62AC_CHECK_TYPE(ssize_t, int)
63jm_AC_TYPE_UINTMAX_T
64AM_GNU_GETTEXT([external])
65XGETTEXT="AWK='$AWK' \$(SHELL) \$(top_srcdir)/exgettext $XGETTEXT"
66AC_HEADER_DIRENT
67AC_HEADER_STAT
68AC_HEADER_SYS_WAIT
69AC_STRUCT_ST_MTIM_NSEC
70AC_TYPE_PID_T
71AC_TYPE_SIGNAL
72
73AC_CHECK_FUNCS(diraccess dup2 gettimeofday \
74  sigaction sigprocmask strchr strerror tmpnam)
75AC_REPLACE_FUNCS(memchr mkstemp strcasecmp waitpid)
76if test $ac_cv_func_mkstemp != yes; then
77  AC_LIBOBJ(tempname)
78fi
79AC_FUNC_CLOSEDIR_VOID
80AC_FUNC_FORK
81AC_FUNC_VPRINTF
82jm_FUNC_GLIBC_UNLOCKED_IO
83jm_FUNC_GNU_STRFTIME
84# No need for AC_FUNC_MEMCMP, since memcmp is used only to test for equality.
85jm_FUNC_MALLOC
86jm_FUNC_REALLOC
87jm_PREREQ_C_STACK
88jm_PREREQ_ERROR
89jm_PREREQ_HARD_LOCALE
90jm_PREREQ_QUOTEARG
91jm_PREREQ_REGEX
92AC_DEFINE([REGEX_MALLOC], 1,
93  [Define to 1 to avoid alloca in the regular-expression implementation.])
94jm_PREREQ_TEMPNAME
95jm_AC_PREREQ_XSTRTOUMAX
96
97# Check for clock_gettime and its library.  Solaris puts it in -lrt or
98# -lposix4, but we don't want to link that library unless we have to.
99diff_saved_libs=$LIBS
100AC_SEARCH_LIBS(clock_gettime, [rt posix4])
101case $ac_cv_search_clock_gettime in
102no | 'none required')
103  LIB_CLOCK_GETTIME=;;
104*)
105  LIB_CLOCK_GETTIME=$ac_cv_search_clock_gettime;;
106esac
107AC_SUBST([LIB_CLOCK_GETTIME])
108AC_CHECK_FUNCS(clock_gettime)
109LIBS=$diff_saved_libs
110
111# fnmatch
112AC_FUNC_FNMATCH
113if test $ac_cv_func_fnmatch_works = yes; then
114  rm -f lib/fnmatch.h
115else
116  AC_LIBOBJ(fnmatch)
117  AC_CONFIG_LINKS(lib/fnmatch.h:lib/fnmatch.hin)
118fi
119
120# regex
121jm_INCLUDED_REGEX([lib/regex.c])
122if test "$jm_with_regex" = yes; then
123  AC_CONFIG_LINKS(lib/regex.h:lib/regex.hin)
124else
125  rm -f lib/regex.h
126fi
127
128jm_AC_DOS
129AC_FUNC_SETMODE_DOS
130
131AC_CONFIG_FILES([Makefile doc/Makefile \
132		 lib/Makefile lib/posix/Makefile man/Makefile \
133		 m4/Makefile ms/Makefile po/Makefile.in src/Makefile])
134AC_CONFIG_COMMANDS([default], [date > stamp-h])
135AC_OUTPUT
136