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526 lines
18 KiB
Plaintext
526 lines
18 KiB
Plaintext
# Process this file with autoconf to produce a configure script.
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#
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# Copyright (C) 1993-2013 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
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# the terms of the GNU General Public License as published by the Free Software
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# Foundation; either version 3 of the License, or (at your option) any later
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# 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
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# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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# 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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# this program. If not, see <http://www.gnu.org/licenses/>.
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AC_INIT([GNU make],[4.0.90],[bug-make@gnu.org])
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AC_PREREQ([2.62])
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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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# We have to enable "foreign" because ChangeLog is auto-generated
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# We cannot enable -Werror because gettext 0.18.1 has invalid content
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# When we update gettext to 0.18.3 or better we can add it again.
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AM_INIT_AUTOMAKE([1.11.1 silent-rules foreign -Wall])
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# Checks for programs.
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AC_USE_SYSTEM_EXTENSIONS
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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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# Needed for w32/Makefile.am
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AM_PROG_AR
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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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# Enable gettext, in "external" mode.
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AM_GNU_GETTEXT_VERSION([0.18.1])
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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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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], [$uintmax_t],
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[Define uintmax_t if not defined in <stdint.h> or <inttypes.h>.])
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])
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# Find out whether our struct stat returns nanosecond resolution timestamps.
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AC_STRUCT_ST_MTIM_NSEC
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AC_CACHE_CHECK([whether to use high resolution file timestamps],
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[make_cv_file_timestamp_hi_res],
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[ make_cv_file_timestamp_hi_res=no
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AS_IF([test "$ac_cv_struct_st_mtim_nsec" != no],
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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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AS_IF([test "$make_cv_file_timestamp_hi_res" = yes], [val=1], [val=0])
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AC_DEFINE_UNQUOTED([FILE_TIMESTAMP_HI_RES], [$val],
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[Use high resolution file timestamps if nonzero.])
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AS_IF([test "$make_cv_file_timestamp_hi_res" = yes],
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[ # Solaris 2.5.1 needs -lposix4 to get the clock_gettime function.
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# Solaris 7 prefers the library name -lrt to the obsolescent name -lposix4.
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AC_SEARCH_LIBS([clock_gettime], [rt posix4])
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AS_IF([test "$ac_cv_search_clock_gettime" != no],
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[ AC_DEFINE([HAVE_CLOCK_GETTIME], [1],
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[Define to 1 if you have the clock_gettime function.])
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])
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])
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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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AS_IF([test "$ac_cv_func_gettimeofday" = yes],
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[ AC_DEFINE([HAVE_GETTIMEOFDAY], [1],
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[Define to 1 if you have a standard gettimeofday function])
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])
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AC_CHECK_FUNCS([strdup strndup mkstemp mktemp fdopen fileno \
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dup 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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# We need to check declarations, not just existence, because on Tru64 this
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# function is not declared without special flags, which themselves cause
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# other problems. We'll just use our own.
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AC_CHECK_DECLS([bsd_signal], [], [], [[#define _GNU_SOURCE 1
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#include <signal.h>]])
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AC_FUNC_SETVBUF_REVERSED
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# Rumor has it that strcasecmp lives in -lresolv on some odd systems.
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# It doesn't hurt much to use our own if we can't find it so I don't
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# make the effort here.
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AC_CHECK_FUNCS([strcasecmp strncasecmp strcmpi strncmpi stricmp strnicmp])
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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_CLOSEDIR_VOID
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# See if the user wants to add (or not) GNU Guile support
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PKG_PROG_PKG_CONFIG
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AC_ARG_WITH([guile], [AS_HELP_STRING([--with-guile],
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[Support GNU Guile for embedded scripting])])
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# For some strange reason, at least on Ubuntu, each version of Guile
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# comes with it's own PC file so we have to specify them as individual
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# packages. Ugh.
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AS_IF([test "x$with_guile" != xno],
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[ PKG_CHECK_MODULES([GUILE], [guile-2.0], [have_guile=yes],
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[PKG_CHECK_MODULES([GUILE], [guile-1.8], [have_guile=yes],
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[have_guile=no])])
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])
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AS_IF([test "$have_guile" = yes],
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[AC_DEFINE([HAVE_GUILE], [1], [Embed GNU Guile support])])
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AM_CONDITIONAL([HAVE_GUILE], [test "$have_guile" = yes])
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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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AS_IF([test "$ac_cv_header_nlist_h" = yes],
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[ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <nlist.h>]],
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[[struct nlist nl;
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nl.n_name = "string";
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return 0;]])],
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[make_cv_nlist_struct=yes],
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[make_cv_nlist_struct=no])
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AS_IF([test "$make_cv_nlist_struct" = yes],
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[ AC_DEFINE([NLIST_STRUCT], [1],
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[Define to 1 if struct nlist.n_name is a pointer rather than an array.])
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])
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])
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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],[],[],[[#include <sys/types.h>]])
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AC_CHECK_FUNCS([waitpid wait3])
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AC_CACHE_CHECK([for union wait], [make_cv_union_wait],
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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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])
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AS_IF([test "$make_cv_union_wait" = yes],
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[ AC_DEFINE([HAVE_UNION_WAIT], [1],
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[Define to 1 if you have the 'union wait' type in <sys/wait.h>.])
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])
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# If we're building on Windows/DOS/OS/2, add some support for DOS drive specs.
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AS_IF([test "$PATH_SEPARATOR" = ';'],
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[ AC_DEFINE([HAVE_DOS_PATHS], [1],
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[Define to 1 if your system requires backslashes or drive specs in pathnames.])
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])
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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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[ AS_CASE([$withval], [n|no], [:],
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[make_cppflags="$CPPFLAGS"
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AS_CASE([$withval],
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[y|ye|yes], [:],
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[CPPFLAGS="$CPPFLAGS -I$with_customs/include/customs"
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make_ldflags="$LDFLAGS -L$with_customs/lib"])
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CF_NETLIBS
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AC_CHECK_HEADER([customs.h],
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[use_customs=true
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REMOTE=cstms
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LIBS="$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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])
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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 "$use_customs" = true])
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# See if the user asked to handle case insensitive file systems.
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AH_TEMPLATE([HAVE_CASE_INSENSITIVE_FS], [Use case insensitive file names])
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AC_ARG_ENABLE([case-insensitive-file-system],
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AC_HELP_STRING([--enable-case-insensitive-file-system],
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[assume file systems are case insensitive]),
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[AS_IF([test "$enableval" = yes], [AC_DEFINE([HAVE_CASE_INSENSITIVE_FS])])])
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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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AS_IF([test "$ac_cv_func_waitpid" = no && test "$ac_cv_func_wait3" = no],
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[has_wait_nohang=no],
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[has_wait_nohang=yes])
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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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AS_IF([test "$make_cv_sa_restart" != no],
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[ AC_DEFINE([HAVE_SA_RESTART], [1],
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[Define to 1 if <signal.h> defines the SA_RESTART constant.])
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])
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# Only allow jobserver on systems that support it
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AS_CASE([/$ac_cv_func_pipe/$ac_cv_func_sigaction/$make_cv_sa_restart/$has_wait_nohang/],
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[*/no/*], [make_cv_job_server=no])
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# Also supported on OS2 and MinGW
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AS_CASE([$host_os], [os2*|mingw*], [make_cv_job_server=yes])
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# If we support it and the user didn't disable it, build with jobserver
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AS_CASE([/$make_cv_job_server/$user_job_server/],
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[*/no/*], [: no jobserver],
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[AC_DEFINE(MAKE_JOBSERVER, 1,
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[Define to 1 to enable job server support in GNU make.])
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])
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# If dl*() functions are supported we can enable the load operation
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AC_CHECK_DECLS([dlopen, dlsym, dlerror], [], [],
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[[#include <dlfcn.h>]])
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AC_ARG_ENABLE([load],
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AC_HELP_STRING([--disable-load],
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[disable support for the 'load' operation]),
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[make_cv_load="$enableval" user_load="$enableval"],
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[make_cv_load="yes"])
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AS_CASE([/$ac_cv_have_decl_dlopen/$ac_cv_have_decl_dlsym/$ac_cv_have_decl_dlerror/],
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[*/no/*], [make_cv_load=no])
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# We might need -ldl
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AS_IF([test "$make_cv_load" = yes], [
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AC_SEARCH_LIBS([dlopen], [dl], [], [make_cv_load=])
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])
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AS_CASE([/$make_cv_load/$user_load/],
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[*/no/*], [make_cv_load=no],
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[AC_DEFINE(MAKE_LOAD, 1,
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[Define to 1 to enable 'load' support in GNU make.])
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])
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# If we want load support, we might need to link with export-dynamic.
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# See if we can figure it out. Unfortunately this is very difficult.
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# For example passing -rdynamic to the SunPRO linker gives a warning
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# but succeeds and creates a shared object, not an executable!
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AS_IF([test "$make_cv_load" = yes], [
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AC_MSG_CHECKING([If the linker accepts -Wl,--export-dynamic])
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old_LDFLAGS="$LDFLAGS"
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LDFLAGS="$LDFLAGS -Wl,--export-dynamic"
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AC_LINK_IFELSE([AC_LANG_SOURCE([int main(){}])],
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[AC_MSG_RESULT([yes])
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AC_SUBST([AM_LDFLAGS], [-Wl,--export-dynamic])],
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[AC_MSG_RESULT([no])
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AC_MSG_CHECKING([If the linker accepts -rdynamic])
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LDFLAGS="$old_LDFLAGS -rdynamic"
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AC_LINK_IFELSE([AC_LANG_SOURCE([int main(){}])],
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[AC_MSG_RESULT([yes])
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AC_SUBST([AM_LDFLAGS], [-rdynamic])],
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[AC_MSG_RESULT([no])])
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])
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LDFLAGS="$old_LDFLAGS"
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])
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# if we have both lstat() and readlink() then we can support symlink
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# timechecks.
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AS_IF([test "$ac_cv_func_lstat" = yes && test "$ac_cv_func_readlink" = yes],
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[ AC_DEFINE([MAKE_SYMLINKS], [1],
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[Define to 1 to enable symbolic link timestamp checking.])
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])
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# Find the SCCS commands, so we can include them in our default rules.
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AC_CACHE_CHECK([for location of SCCS get command], [make_cv_path_sccs_get], [
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AS_IF([test -f /usr/sccs/get],
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[make_cv_path_sccs_get=/usr/sccs/get],
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[make_cv_path_sccs_get=get])
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])
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AC_DEFINE_UNQUOTED([SCCS_GET], ["$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="$ac_clean_files s.conftest conftoast" # Remove these later.
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AS_IF([(/usr/sccs/admin -n s.conftest || admin -n s.conftest) >/dev/null 2>&1 &&
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test -f s.conftest],
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[ # We successfully created an SCCS file.
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AC_CACHE_CHECK([if SCCS get command understands -G], [make_cv_sys_get_minus_G],
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[AS_IF([$make_cv_path_sccs_get -Gconftoast s.conftest >/dev/null 2>&1 &&
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test -f conftoast],
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[make_cv_sys_get_minus_G=yes],
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[make_cv_sys_get_minus_G=no])
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])
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AS_IF([test "$make_cv_sys_get_minus_G" = yes],
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[AC_DEFINE([SCCS_GET_MINUS_G], [1],
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[Define to 1 if the SCCS 'get' command understands the '-G<file>' option.])
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])
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])
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rm -f s.conftest conftoast
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# Check the system to see if it provides GNU glob. If not, use our
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# local version.
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AC_CACHE_CHECK([if system libc has GNU glob], [make_cv_sys_gnu_glob],
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[ AC_EGREP_CPP([gnu glob],[
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#include <features.h>
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#include <glob.h>
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#include <fnmatch.h>
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#define GLOB_INTERFACE_VERSION 1
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#if !defined _LIBC && defined __GNU_LIBRARY__ && __GNU_LIBRARY__ > 1
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# include <gnu-versions.h>
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# if _GNU_GLOB_INTERFACE_VERSION == GLOB_INTERFACE_VERSION
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gnu glob
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# endif
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#endif],
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[make_cv_sys_gnu_glob=yes],
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[make_cv_sys_gnu_glob=no])])
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AS_IF([test "$make_cv_sys_gnu_glob" = no],
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[ GLOBINC='-I$(srcdir)/glob'
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GLOBLIB=glob/libglob.a
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])
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AC_SUBST([GLOBINC])
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AC_SUBST([GLOBLIB])
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# Tell automake about this, so it can build the right .c files.
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AM_CONDITIONAL([USE_LOCAL_GLOB], [test "$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])
|
|
|
|
AS_CASE([$host],
|
|
[*-*-mingw32],
|
|
[AM_CONDITIONAL([WINDOWSENV], [true])
|
|
w32_target_env=yes
|
|
AC_DEFINE([WINDOWS32], [1], [Use platform specific coding])
|
|
AC_DEFINE([HAVE_DOS_PATHS], [1], [Use platform specific coding])
|
|
])
|
|
|
|
AC_DEFINE_UNQUOTED([PATH_SEPARATOR_CHAR],['$PATH_SEPARATOR'],
|
|
[Define to the character that separates directories in PATH.])
|
|
|
|
# Include the Maintainer's Makefile section, if it's here.
|
|
|
|
MAINT_MAKEFILE=/dev/null
|
|
AS_IF([test -r "$srcdir/maintMakefile"],
|
|
[ MAINT_MAKEFILE="$srcdir/maintMakefile"
|
|
])
|
|
AC_SUBST_FILE([MAINT_MAKEFILE])
|
|
|
|
# Allow building with dmalloc
|
|
AM_WITH_DMALLOC
|
|
|
|
# Forcibly disable SET_MAKE. If it's set it breaks things like the test
|
|
# scripts, etc.
|
|
SET_MAKE=
|
|
|
|
# Sanity check and inform the user of what we found
|
|
|
|
AS_IF([test "x$make_badcust" = xyes], [
|
|
echo
|
|
echo "WARNING: --with-customs specified but no customs.h could be found;"
|
|
echo " disabling Customs support."
|
|
echo
|
|
])
|
|
|
|
AS_CASE([$with_customs],
|
|
[""|n|no|y|ye|yes], [:],
|
|
[AS_IF([test -f "$with_customs/lib/libcustoms.a"], [:],
|
|
[ echo
|
|
echo "WARNING: '$with_customs/lib' does not appear to contain the"
|
|
echo " Customs library. You must build and install Customs"
|
|
echo " before compiling GNU make."
|
|
echo
|
|
])])
|
|
|
|
AS_IF([test "x$has_wait_nohang" = xno],
|
|
[ echo
|
|
echo "WARNING: Your system has neither waitpid() nor wait3()."
|
|
echo " Without one of these, signal handling is unreliable."
|
|
echo " You should be aware that running GNU make with -j"
|
|
echo " could result in erratic behavior."
|
|
echo
|
|
])
|
|
|
|
AS_IF([test "x$make_cv_job_server" = xno && test "x$user_job_server" = xyes],
|
|
[ echo
|
|
echo "WARNING: Make job server requires a POSIX-ish system that"
|
|
echo " supports the pipe(), sigaction(), and either"
|
|
echo " waitpid() or wait3() functions. Your system doesn't"
|
|
echo " appear to provide one or more of those."
|
|
echo " Disabling job server support."
|
|
echo
|
|
])
|
|
|
|
AS_IF([test "x$make_cv_load" = xno && test "x$user_load" = xyes],
|
|
[ echo
|
|
echo "WARNING: 'load' support requires a POSIX-ish system that"
|
|
echo " supports the dlopen(), dlsym(), and dlerror() functions."
|
|
echo " Your system doesn't appear to provide one or more of these."
|
|
echo " Disabling 'load' support."
|
|
echo
|
|
])
|
|
|
|
# Specify what files are to be created.
|
|
AC_CONFIG_FILES([Makefile glob/Makefile po/Makefile.in config/Makefile \
|
|
doc/Makefile w32/Makefile tests/config-flags.pm])
|
|
|
|
# OK, do it!
|
|
|
|
AC_OUTPUT
|
|
|
|
# We only generate the build.sh if we have a build.sh.in; we won't have
|
|
# one before we've created a distribution.
|
|
AS_IF([test -f "$srcdir/build.sh.in"],
|
|
[ ./config.status --file build.sh
|
|
chmod +x build.sh
|
|
])
|
|
|
|
dnl Local Variables:
|
|
dnl comment-start: "dnl "
|
|
dnl comment-end: ""
|
|
dnl comment-start-skip: "\\bdnl\\b\\s *"
|
|
dnl compile-command: "make configure config.h.in"
|
|
dnl End:
|