mirror of
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a8f101d0bc
Update NEWS docs. Enhance the manual to use automake version.texi, and use the canonical FSF copyright features and statement. Some $(realpath ...) tests won't work on Windows; leave them out The jobserver filedescriptor test might fail if some FDs are reserved, so for now comment out that check.
464 lines
14 KiB
Plaintext
464 lines
14 KiB
Plaintext
# Process this file with autoconf to produce a configure script.
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#
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# Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
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# 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
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# This file is part of GNU Make.
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#
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# GNU Make is free software; you can redistribute it and/or modify it under the
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# terms of the GNU General Public License as published by the Free Software
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# Foundation; either version 2, or (at your option) any later version.
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#
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# GNU Make is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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# A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along with
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# GNU Make; see the file COPYING. If not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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AC_INIT([GNU make],[3.81],[bug-make@gnu.org])
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AC_PREREQ(2.59)
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AC_REVISION([[$Id$]])
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# Autoconf setup
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AC_CONFIG_AUX_DIR(config)
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AC_CONFIG_SRCDIR(vpath.c)
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AC_CONFIG_HEADERS(config.h)
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# Automake setup
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AM_INIT_AUTOMAKE([1.9])
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# Checks for programs.
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AC_PROG_CC
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AC_PROG_INSTALL
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AC_PROG_RANLIB
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AC_PROG_CPP
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AC_CHECK_PROG(AR, ar, ar, ar)
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# Perl is needed for the test suite (only)
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AC_CHECK_PROG(PERL, perl, perl, perl)
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# Specialized system macros
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AC_CANONICAL_HOST
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AC_AIX
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AC_ISC_POSIX
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AC_MINIX
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# Needed for ansi2knr
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AM_C_PROTOTYPES
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# Enable gettext, in "external" mode.
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AM_GNU_GETTEXT_VERSION(0.14.1)
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AM_GNU_GETTEXT([external])
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# This test must come as early as possible after the compiler configuration
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# tests, because the choice of the file model can (in principle) affect
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# whether functions and headers are available, whether they work, etc.
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AC_SYS_LARGEFILE
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# Checks for libraries.
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AC_SEARCH_LIBS(getpwnam, [sun])
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# Checks for header files.
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AC_HEADER_STDC
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AC_HEADER_DIRENT
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AC_HEADER_STAT
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AC_HEADER_TIME
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AC_CHECK_HEADERS(stdlib.h locale.h unistd.h limits.h fcntl.h string.h \
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memory.h sys/param.h sys/resource.h sys/time.h sys/timeb.h)
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# Set a flag if we have an ANSI C compiler
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if test "$ac_cv_prog_cc_stdc" != no; then
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AC_DEFINE(HAVE_ANSI_COMPILER, 1,
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[Define if your compiler conforms to the ANSI C standard.])
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fi
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# Determine what kind of variadic function calls we support
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AC_CHECK_HEADERS(stdarg.h varargs.h, break)
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AM_PROG_CC_C_O
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AC_C_CONST
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AC_TYPE_SIGNAL
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AC_TYPE_UID_T
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AC_TYPE_PID_T
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# Find some definition for uintmax_t
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AC_CHECK_TYPE(uintmax_t,,[
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uintmax_t="unsigned long"
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AC_CHECK_TYPE(unsigned long long,[uintmax_t="unsigned long long"])
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AC_DEFINE_UNQUOTED(uintmax_t,$uintmax_t,
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[Define uintmax_t if not defined in <stdint.h> or <inttypes.h>.])])
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# Find out whether our struct stat returns nanosecond resolution timestamps.
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AC_STRUCT_ST_MTIM_NSEC
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AC_MSG_CHECKING([whether to use high resolution file timestamps])
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AC_CACHE_VAL(make_cv_file_timestamp_hi_res, [
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make_cv_file_timestamp_hi_res=no
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if test "$ac_cv_struct_st_mtim_nsec" != no; then
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
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# if HAVE_INTTYPES_H
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# include <inttypes.h>
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# endif]],
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[[char a[0x7fffffff < (uintmax_t)-1 >> 30 ? 1 : -1];]])],
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[make_cv_file_timestamp_hi_res=yes],
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[])
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fi])
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AC_MSG_RESULT($make_cv_file_timestamp_hi_res)
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if test "$make_cv_file_timestamp_hi_res" = yes; then
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val=1
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else
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val=0
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fi
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AC_DEFINE_UNQUOTED(FILE_TIMESTAMP_HI_RES, $val,
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[Use high resolution file timestamps if nonzero.])
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if test "$make_cv_file_timestamp_hi_res" = yes; then
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# Solaris 2.5.1 needs -lposix4 to get the clock_gettime function.
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# Solaris 7 prefers the library name -lrt to the obsolescent name -lposix4.
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AC_SEARCH_LIBS(clock_gettime, [rt posix4])
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if test "$ac_cv_search_clock_gettime" != no; then
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AC_DEFINE(HAVE_CLOCK_GETTIME, 1,
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[Define if you have the clock_gettime function.])
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fi
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fi
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# Check for DOS-style pathnames.
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pds_AC_DOS_PATHS
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# See if we have a standard version of gettimeofday(). Since actual
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# implementations can differ, just make sure we have the most common
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# one.
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AC_CACHE_CHECK([for standard gettimeofday], ac_cv_func_gettimeofday,
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[ac_cv_func_gettimeofday=no
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AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <sys/time.h>
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int main ()
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{
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struct timeval t; t.tv_sec = -1; t.tv_usec = -1;
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exit (gettimeofday (&t, 0) != 0
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|| t.tv_sec < 0 || t.tv_usec < 0);
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}]])],
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[ac_cv_func_gettimeofday=yes],
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[ac_cv_func_gettimeofday=no],
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[ac_cv_func_gettimeofday="no (cross-compiling)"])])
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if test "$ac_cv_func_gettimeofday" = yes; then
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AC_DEFINE(HAVE_GETTIMEOFDAY, 1,
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[Define if you have a standard gettimeofday function])
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fi
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AC_CHECK_FUNCS( memcpy memmove strchr strdup mkstemp mktemp fdopen \
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bsd_signal dup2 getcwd realpath sigsetmask sigaction \
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getgroups seteuid setegid setlinebuf setreuid setregid \
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getrlimit setrlimit setvbuf pipe strerror strsignal \
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lstat readlink atexit)
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AC_FUNC_SETVBUF_REVERSED
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# strcoll() is used by the GNU glob library
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AC_FUNC_STRCOLL
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AC_FUNC_ALLOCA
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AC_FUNC_FORK([])
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AC_FUNC_VPRINTF
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AC_FUNC_CLOSEDIR_VOID
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AC_FUNC_GETLOADAVG
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# AC_FUNC_GETLOADAVG is documented to set the NLIST_STRUCT value, but it
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# doesn't. So, we will.
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if test "$ac_cv_header_nlist_h" = yes; then
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <nlist.h>]],
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[[struct nlist nl;
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nl.n_name = "string";
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return 0;]])],
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[make_cv_nlist_struct=yes],
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[make_cv_nlist_struct=no])
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if test "$make_cv_nlist_struct" = yes; then
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AC_DEFINE(NLIST_STRUCT, 1,
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[Define if struct nlist.n_name is a pointer rather than an array.])
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fi
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fi
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AC_CHECK_DECLS([sys_siglist, _sys_siglist, __sys_siglist], , ,
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[AC_INCLUDES_DEFAULT
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#include <signal.h>
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/* NetBSD declares sys_siglist in unistd.h. */
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#if HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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])
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# Check out the wait reality.
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AC_CHECK_HEADERS(sys/wait.h)
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AC_CHECK_FUNCS(waitpid wait3)
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AC_MSG_CHECKING(for union wait)
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AC_CACHE_VAL(make_cv_union_wait, [dnl
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AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
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#include <sys/wait.h>]],
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[[union wait status; int pid; pid = wait (&status);
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#ifdef WEXITSTATUS
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/* Some POSIXoid systems have both the new-style macros and the old
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union wait type, and they do not work together. If union wait
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conflicts with WEXITSTATUS et al, we don't want to use it at all. */
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if (WEXITSTATUS (status) != 0) pid = -1;
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#ifdef WTERMSIG
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/* If we have WEXITSTATUS and WTERMSIG, just use them on ints. */
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-- blow chunks here --
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#endif
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#endif
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#ifdef HAVE_WAITPID
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/* Make sure union wait works with waitpid. */
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pid = waitpid (-1, &status, 0);
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#endif
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]])],
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[make_cv_union_wait=yes],
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[make_cv_union_wait=no])])
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if test "$make_cv_union_wait" = yes; then
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AC_DEFINE(HAVE_UNION_WAIT, 1,
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[Define this if you have the \`union wait' type in <sys/wait.h>.])
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fi
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AC_MSG_RESULT($make_cv_union_wait)
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# If we're building on Windows/DOS/OS/2, add some support for DOS drive specs.
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if test "$PATH_SEPARATOR" = ';'; then
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AC_DEFINE(HAVE_DOS_PATHS, 1,
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[Define this if your system requires backslashes or drive specs in pathnames.])
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fi
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# See if the user wants to use pmake's "customs" distributed build capability
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AC_SUBST(REMOTE) REMOTE=stub
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use_customs=false
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AC_ARG_WITH(customs,
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AC_HELP_STRING([--with-customs=DIR],
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[enable remote jobs via Customs--see README.customs]),
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[case $withval in
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n|no) : ;;
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*) make_cppflags="$CPPFLAGS"
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case $withval in
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y|ye|yes) : ;;
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*) CPPFLAGS="$CPPFLAGS -I$with_customs/include/customs"
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make_ldflags="$LDFLAGS -L$with_customs/lib" ;;
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esac
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CF_NETLIBS
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AC_CHECK_HEADER(customs.h,
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[use_customs=true
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REMOTE=cstms
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LIBS="$LIBS -lcustoms" LDFLAGS="$make_ldflags"],
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[with_customs=no
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CPPFLAGS="$make_cppflags" make_badcust=yes])
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;;
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esac])
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# Tell automake about this, so it can include the right .c files.
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AM_CONDITIONAL(USE_CUSTOMS, test "$use_customs" = true)
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# See if the user asked to handle case insensitive file systems.
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AH_TEMPLATE(HAVE_CASE_INSENSITIVE_FS, [Use case insensitive file names])
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AC_ARG_ENABLE(case-insensitive-file-system,
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AC_HELP_STRING([--enable-case-insensitive-file-system],
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[enable case insensitive file system support]),
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case_insensitive_fs="yes" AC_DEFINE(HAVE_CASE_INSENSITIVE_FS),
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case_insensitive_fs="no")
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# See if we can handle the job server feature, and if the user wants it.
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AC_ARG_ENABLE(job-server,
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AC_HELP_STRING([--disable-job-server],
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[disallow recursive make communication during -jN]),
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[make_cv_job_server="$enableval" user_job_server="$enableval"],
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[make_cv_job_server="yes"])
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has_wait_nohang=yes
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case "$ac_cv_func_waitpid/$ac_cv_func_wait3" in
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no/no) has_wait_nohang=no ;;
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esac
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AC_CACHE_CHECK(for SA_RESTART, make_cv_sa_restart, [
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <signal.h>]],
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[[return SA_RESTART;]])],
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[make_cv_sa_restart=yes],
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[make_cv_sa_restart=no])])
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if test "$make_cv_sa_restart" != no; then
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AC_DEFINE(HAVE_SA_RESTART, 1,
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[Define if <signal.h> defines the SA_RESTART constant.])
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fi
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# enable make_cv_sa_restart for OS/2 so that the jobserver will be enabled,
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# but do it after HAVE_SA_RESTART has been defined.
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case "$host_os" in
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os2*) make_cv_sa_restart=yes ;;
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esac
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case "$ac_cv_func_pipe/$ac_cv_func_sigaction/$make_cv_sa_restart/$has_wait_nohang/$make_cv_job_server" in
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yes/yes/yes/yes/yes)
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AC_DEFINE(MAKE_JOBSERVER, 1,
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[Define this to enable job server support in GNU make.]);;
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esac
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# if we have both lstat() and readlink() then we can support symlink
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# timechecks.
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case "$ac_cv_func_lstat/$ac_cv_func_readlink" in
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yes/yes)
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AC_DEFINE(MAKE_SYMLINKS, 1,
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[Define this to enable symbolic link timestamp checking.]);;
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esac
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# Find the SCCS commands, so we can include them in our default rules.
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AC_CACHE_CHECK(for location of SCCS get command, make_cv_path_sccs_get, [
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if test -f /usr/sccs/get; then
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make_cv_path_sccs_get=/usr/sccs/get
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else
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make_cv_path_sccs_get=get
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fi])
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AC_DEFINE_UNQUOTED(SCCS_GET, ["$make_cv_path_sccs_get"],
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[Define to the name of the SCCS 'get' command.])
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ac_clean_files="$ac_clean_files s.conftest conftoast" # Remove these later.
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if ( /usr/sccs/admin -n s.conftest || admin -n s.conftest ) >/dev/null 2>&1 &&
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test -f s.conftest; then
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# We successfully created an SCCS file.
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AC_CACHE_CHECK(if SCCS get command understands -G, make_cv_sys_get_minus_G, [
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if $make_cv_path_sccs_get -Gconftoast s.conftest >/dev/null 2>&1 &&
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test -f conftoast; then
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make_cv_sys_get_minus_G=yes
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else
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make_cv_sys_get_minus_G=no
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fi])
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case "$make_cv_sys_get_minus_G" in
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yes) AC_DEFINE(SCCS_GET_MINUS_G, 1,
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[Define this if the SCCS 'get' command understands the '-G<file>' option.]);;
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esac
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fi
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rm -f s.conftest conftoast
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# Check the system to see if it provides GNU glob. If not, use our
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# local version.
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AC_MSG_CHECKING(if system libc has GNU glob)
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AC_CACHE_VAL(make_cv_sys_gnu_glob, [
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AC_EGREP_CPP(gnu glob,[
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#include <features.h>
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#include <glob.h>
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#include <fnmatch.h>
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#define GLOB_INTERFACE_VERSION 1
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#if !defined _LIBC && defined __GNU_LIBRARY__ && __GNU_LIBRARY__ > 1
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# include <gnu-versions.h>
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# if _GNU_GLOB_INTERFACE_VERSION == GLOB_INTERFACE_VERSION
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gnu glob
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# endif
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#endif
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], [AC_MSG_RESULT(yes)
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make_cv_sys_gnu_glob=yes], [AC_MSG_RESULT([no; using local copy])
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AC_SUBST(GLOBINC) GLOBINC='-I$(srcdir)/glob'
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AC_SUBST(GLOBLIB) GLOBLIB=glob/libglob.a
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make_cv_sys_gnu_glob=no])])
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# Tell automake about this, so it can build the right .c files.
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AM_CONDITIONAL(USE_LOCAL_GLOB, test "$make_cv_sys_gnu_glob" = no)
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# Let the makefile know what our build host is
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AC_DEFINE_UNQUOTED(MAKE_HOST,"$host",[Build host information.])
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MAKE_HOST="$host"
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AC_SUBST(MAKE_HOST)
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w32_target_env=no
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AM_CONDITIONAL([WINDOWSENV], false)
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case "$host" in
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*-*-mingw32)
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AM_CONDITIONAL(WINDOWSENV, true)
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w32_target_env=yes
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AC_DEFINE([WINDOWS32], [1], [Use platform specific coding])
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AC_DEFINE([HAVE_DOS_PATHS], [1], [Use platform specific coding])
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;;
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esac
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# Include the Maintainer's Makefile section, if it's here.
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MAINT_MAKEFILE=/dev/null
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if test -r "$srcdir/maintMakefile"; then
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MAINT_MAKEFILE="$srcdir/maintMakefile"
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fi
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AC_SUBST_FILE(MAINT_MAKEFILE)
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# Allow building with dmalloc
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AM_WITH_DMALLOC
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# Forcibly disable SET_MAKE. If it's set it breaks things like the test
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# scripts, etc.
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SET_MAKE=
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# Sanity check and inform the user of what we found
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case "$make_badcust" in
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yes) echo
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echo "WARNING: --with-customs specified but no customs.h could be found;"
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echo " disabling Customs support."
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echo ;;
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esac
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case "$with_customs" in
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""|n|no|y|ye|yes) ;;
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*) if test -f "$with_customs/lib/libcustoms.a"; then
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:
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else
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echo
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echo "WARNING: '$with_customs/lib' does not appear to contain the"
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echo " Customs library. You must build and install Customs"
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echo " before compiling GNU make."
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echo
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fi ;;
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esac
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case "$has_wait_nohang" in
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no) echo
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echo "WARNING: Your system has neither waitpid() nor wait3()."
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echo " Without one of these, signal handling is unreliable."
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echo " You should be aware that running GNU make with -j"
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echo " could result in erratic behavior."
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echo ;;
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esac
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case "$make_cv_job_server/$user_job_server" in
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no/yes) echo
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echo "WARNING: Make job server requires a POSIX-ish system that"
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echo " supports the pipe(), sigaction(), and either"
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echo " waitpid() or wait3() functions. Your system doesn't"
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echo " appear to provide one or more of those."
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echo " Disabling job server support."
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echo ;;
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esac
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# Specify what files are to be created.
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AC_CONFIG_FILES(Makefile glob/Makefile po/Makefile.in config/Makefile doc/Makefile w32/Makefile)
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# OK, do it!
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AC_OUTPUT
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# We only generate the build.sh if we have a build.sh.in; we won't have
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# one before we've created a distribution.
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if test -f "$srcdir/build.sh.in"; then
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./config.status --file build.sh
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chmod +x build.sh
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fi
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dnl Local Variables:
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dnl comment-start: "dnl "
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dnl comment-end: ""
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dnl comment-start-skip: "\\bdnl\\b\\s *"
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dnl compile-command: "make configure config.h.in"
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dnl End:
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