1 # Process this file with autoconf to produce a configure script.
2 # Copyright (C) 1995, 1998, 1999 Free Software Foundation, Inc.
3 # Contributed by Dave Love (d.love@dl.ac.uk).
5 #This file is part of the GNU Fortran libU77 library.
7 #This library is free software; you can redistribute it and/or modify
8 #it under the terms of the GNU General Public License as published by
9 #the Free Software Foundation; either version 2, or (at your option)
12 #GNU Fortran is distributed in the hope that it will be useful,
13 #but WITHOUT ANY WARRANTY; without even the implied warranty of
14 #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 #GNU Library General Public License for more details.
17 #You should have received a copy of the GNU Library General Public
18 #License along with GNU Fortran; see the file COPYING. If not, write
19 #to Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
24 AC_CONFIG_HEADER(config.h:config.hin)
26 dnl FIXME AC_PROG_CC wants CC to be able to link things, but it may
28 define([AC_PROG_CC_WORKS],[])
30 # For g77 we'll set CC to point at the built gcc, but this will get it into
34 # These defines are necessary to get 64-bit file size support.
35 # NetBSD 1.4 header files does not support XOPEN_SOURCE == 600, but it
36 # handles 64-bit file sizes without needing these defines.
37 AC_MSG_CHECKING(whether _XOPEN_SOURCE may be defined)
38 AC_TRY_COMPILE([#define _XOPEN_SOURCE 600L
39 #include <unistd.h>],,
40 may_use_xopen_source=yes,
41 may_use_xopen_source=no)
42 AC_MSG_RESULT($may_use_xopen_source)
43 if test $may_use_xopen_source = yes; then
44 AC_DEFINE(_XOPEN_SOURCE, 600L, [Get Single Unix Specification semantics])
45 # The following is needed by irix6.2 so that struct timeval is declared.
46 AC_DEFINE(_XOPEN_SOURCE_EXTENDED, 1, [Get Single Unix Specification semantics])
47 # The following is needed by Solaris2.5.1 so that struct timeval is declared.
48 AC_DEFINE(__EXTENSIONS__, 1, [Solaris extensions])
49 AC_DEFINE(_FILE_OFFSET_BITS, 64, [Get 64-bit file size support])
50 # The following is needed by glibc2 so that gethostname is declared.
51 AC_DEFINE(_GNU_SOURCE, 1, [Get GNU extensions])
54 dnl Checks for programs.
56 LIBTOOL='$(SHELL) ../libtool'
60 dnl Gives misleading `(cached)' message from the check.
71 dnl This is only because we (horribly) punt the chmod job to the program at
72 dnl present. Note that the result of this test could be wrong in the cross
74 AC_PATH_PROG(ac_cv_prog_chmod, chmod, no)
75 if test "$ac_cv_prog_chmod" != no || test "$CROSS"; then
77 AC_DEFINE_UNQUOTED(CHMOD_PATH,"$ac_cv_prog_chmod")
82 dnl Checks for header files.
85 AC_CHECK_HEADERS(limits.h unistd.h sys/time.h string.h stdlib.h \
86 sys/param.h sys/times.h)
88 dnl Checks for typedefs, structures, and compiler characteristics.
94 dnl The next 3 demand a dummy fileblocks.o (added to LIBOJS). We don't use
101 dnl Some systems (SVR4, SCO OpenServer) need -lsocket for gethostname()
102 AC_CHECK_LIB(socket, gethostname, [LIBS="$LIBS -lsocket"])
104 dnl Checks for library functions.
106 AC_CHECK_FUNCS(symlink getcwd getwd lstat gethostname strerror clock \
107 getrusage times alarm getlogin getgid getuid kill link ttyname)
109 dnl The standard autoconf HAVE_STRUCT_TIMEZONE doesn't actually check
110 dnl for struct timezone, as you might think. We also need to check how
111 dnl to call gettimeofday if we have it.
114 test $ac_cv_func_symlink = yes && MAYBES="$MAYBES symlnk_.o"
115 test $ac_cv_func_lstat = yes && MAYBES="$MAYBES lstat_.o"
116 test $ac_cv_func_gethostname = yes && MAYBES="$MAYBES hostnm_.o"
117 test $ac_cv_func_clock = yes && MAYBES="$MAYBES mclock_.o"
122 AC_SUBST(RANLIB_TEST)