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source: kBuild/trunk/src/gmakenew/configure.in@ 944

Last change on this file since 944 was 931, checked in by bird, 18 years ago

Drop doc and po when bootstrapping kmk using the autoconf/automake. It means we can skip the tedious 'make update' bit.

  • Property svn:eol-style set to native
File size: 14.6 KB
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1# Process this file with autoconf to produce a configure script.
2#
3# Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
4# 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
5# This file is part of GNU Make.
6#
7# GNU Make is free software; you can redistribute it and/or modify it under the
8# terms of the GNU General Public License as published by the Free Software
9# Foundation; either version 2, or (at your option) any later version.
10#
11# GNU Make is distributed in the hope that it will be useful, but WITHOUT ANY
12# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
13# A PARTICULAR PURPOSE. See the GNU General Public License for more details.
14#
15# You should have received a copy of the GNU General Public License along with
16# GNU Make; see the file COPYING. If not, write to the Free Software
17# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18
19AC_INIT([GNU make],[3.81.90],[[email protected]])
20
21AC_PREREQ(2.59)
22AC_REVISION([[$Id: configure.in,v 1.147 2007/05/09 02:01:53 psmith Exp $]])
23
24# Autoconf setup
25AC_CONFIG_AUX_DIR(config)
26AC_CONFIG_SRCDIR(vpath.c)
27AC_CONFIG_HEADERS(config.h)
28
29# Automake setup
30AM_INIT_AUTOMAKE([1.9])
31
32# Checks for programs.
33AC_PROG_CC
34AC_PROG_INSTALL
35AC_PROG_RANLIB
36AC_PROG_CPP
37AC_CHECK_PROG(AR, ar, ar, ar)
38# Perl is needed for the test suite (only)
39AC_CHECK_PROG(PERL, perl, perl, perl)
40
41# Specialized system macros
42AC_CANONICAL_HOST
43AC_AIX
44AC_ISC_POSIX
45AC_MINIX
46
47# kmk does not need gettext (yet)
48## Enable gettext, in "external" mode.
49#
50#AM_GNU_GETTEXT_VERSION(0.14.1)
51#AM_GNU_GETTEXT([external])
52
53# This test must come as early as possible after the compiler configuration
54# tests, because the choice of the file model can (in principle) affect
55# whether functions and headers are available, whether they work, etc.
56AC_SYS_LARGEFILE
57
58# Checks for libraries.
59AC_SEARCH_LIBS(getpwnam, [sun])
60
61# Checks for header files.
62AC_HEADER_STDC
63AC_HEADER_DIRENT
64AC_HEADER_STAT
65AC_HEADER_TIME
66AC_CHECK_HEADERS(stdlib.h locale.h unistd.h limits.h fcntl.h string.h \
67 memory.h sys/param.h sys/resource.h sys/time.h sys/timeb.h)
68
69# Set a flag if we have an ANSI C compiler
70if test "$ac_cv_prog_cc_stdc" != no; then
71 AC_DEFINE(HAVE_ANSI_COMPILER, 1,
72 [Define to 1 if your compiler conforms to the ANSI C standard.])
73fi
74
75
76# Determine what kind of variadic function calls we support
77AC_CHECK_HEADERS(stdarg.h varargs.h, break)
78
79AM_PROG_CC_C_O
80AC_C_CONST
81AC_TYPE_SIGNAL
82AC_TYPE_UID_T
83AC_TYPE_PID_T
84
85# Find some definition for uintmax_t
86
87AC_CHECK_TYPE(uintmax_t,,[
88 uintmax_t="unsigned long"
89 AC_CHECK_TYPE(unsigned long long,[uintmax_t="unsigned long long"])
90 AC_DEFINE_UNQUOTED(uintmax_t,$uintmax_t,
91 [Define uintmax_t if not defined in <stdint.h> or <inttypes.h>.])])
92
93# Find out whether our struct stat returns nanosecond resolution timestamps.
94
95AC_STRUCT_ST_MTIM_NSEC
96AC_MSG_CHECKING([whether to use high resolution file timestamps])
97AC_CACHE_VAL(make_cv_file_timestamp_hi_res, [
98 make_cv_file_timestamp_hi_res=no
99 if test "$ac_cv_struct_st_mtim_nsec" != no; then
100 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
101# if HAVE_INTTYPES_H
102# include <inttypes.h>
103# endif]],
104 [[char a[0x7fffffff < (uintmax_t)-1 >> 30 ? 1 : -1];]])],
105 [make_cv_file_timestamp_hi_res=yes],
106 [])
107 fi])
108AC_MSG_RESULT($make_cv_file_timestamp_hi_res)
109if test "$make_cv_file_timestamp_hi_res" = yes; then
110 val=1
111else
112 val=0
113fi
114AC_DEFINE_UNQUOTED(FILE_TIMESTAMP_HI_RES, $val,
115 [Use high resolution file timestamps if nonzero.])
116
117if test "$make_cv_file_timestamp_hi_res" = yes; then
118 # Solaris 2.5.1 needs -lposix4 to get the clock_gettime function.
119 # Solaris 7 prefers the library name -lrt to the obsolescent name -lposix4.
120 AC_SEARCH_LIBS(clock_gettime, [rt posix4])
121 if test "$ac_cv_search_clock_gettime" != no; then
122 AC_DEFINE(HAVE_CLOCK_GETTIME, 1,
123 [Define to 1 if you have the clock_gettime function.])
124 fi
125fi
126
127# Check for DOS-style pathnames.
128pds_AC_DOS_PATHS
129
130# See if we have a standard version of gettimeofday(). Since actual
131# implementations can differ, just make sure we have the most common
132# one.
133AC_CACHE_CHECK([for standard gettimeofday], ac_cv_func_gettimeofday,
134 [ac_cv_func_gettimeofday=no
135 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <sys/time.h>
136 int main ()
137 {
138 struct timeval t; t.tv_sec = -1; t.tv_usec = -1;
139 exit (gettimeofday (&t, 0) != 0
140 || t.tv_sec < 0 || t.tv_usec < 0);
141 }]])],
142 [ac_cv_func_gettimeofday=yes],
143 [ac_cv_func_gettimeofday=no],
144 [ac_cv_func_gettimeofday="no (cross-compiling)"])])
145if test "$ac_cv_func_gettimeofday" = yes; then
146 AC_DEFINE(HAVE_GETTIMEOFDAY, 1,
147 [Define to 1 if you have a standard gettimeofday function])
148fi
149
150AC_CHECK_FUNCS( strdup mkstemp mktemp fdopen \
151 bsd_signal dup2 getcwd realpath sigsetmask sigaction \
152 getgroups seteuid setegid setlinebuf setreuid setregid \
153 getrlimit setrlimit setvbuf pipe strerror strsignal \
154 lstat readlink atexit)
155
156AC_FUNC_SETVBUF_REVERSED
157
158# Rumor has it that strcasecmp lives in -lresolv on some odd systems.
159# It doesn't hurt much to use our own if we can't find it so I don't
160# make the effort here.
161AC_CHECK_FUNCS(strcasecmp strcmpi stricmp)
162
163# strcoll() is used by the GNU glob library
164AC_FUNC_STRCOLL
165
166AC_FUNC_ALLOCA
167AC_FUNC_FORK([])
168AC_FUNC_VPRINTF
169AC_FUNC_CLOSEDIR_VOID
170
171AC_FUNC_GETLOADAVG
172
173# AC_FUNC_GETLOADAVG is documented to set the NLIST_STRUCT value, but it
174# doesn't. So, we will.
175
176if test "$ac_cv_header_nlist_h" = yes; then
177 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <nlist.h>]],
178 [[struct nlist nl;
179 nl.n_name = "string";
180 return 0;]])],
181 [make_cv_nlist_struct=yes],
182 [make_cv_nlist_struct=no])
183 if test "$make_cv_nlist_struct" = yes; then
184 AC_DEFINE(NLIST_STRUCT, 1,
185 [Define to 1 if struct nlist.n_name is a pointer rather than an array.])
186 fi
187fi
188
189AC_CHECK_DECLS([sys_siglist, _sys_siglist, __sys_siglist], , ,
190 [AC_INCLUDES_DEFAULT
191#include <signal.h>
192/* NetBSD declares sys_siglist in unistd.h. */
193#if HAVE_UNISTD_H
194# include <unistd.h>
195#endif
196])
197
198
199# Check out the wait reality.
200AC_CHECK_HEADERS(sys/wait.h,,,[[#include <sys/types.h>]])
201AC_CHECK_FUNCS(waitpid wait3)
202AC_MSG_CHECKING(for union wait)
203AC_CACHE_VAL(make_cv_union_wait, [dnl
204 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
205#include <sys/wait.h>]],
206 [[union wait status; int pid; pid = wait (&status);
207#ifdef WEXITSTATUS
208/* Some POSIXoid systems have both the new-style macros and the old
209 union wait type, and they do not work together. If union wait
210 conflicts with WEXITSTATUS et al, we don't want to use it at all. */
211 if (WEXITSTATUS (status) != 0) pid = -1;
212#ifdef WTERMSIG
213 /* If we have WEXITSTATUS and WTERMSIG, just use them on ints. */
214 -- blow chunks here --
215#endif
216#endif
217#ifdef HAVE_WAITPID
218 /* Make sure union wait works with waitpid. */
219 pid = waitpid (-1, &status, 0);
220#endif
221 ]])],
222 [make_cv_union_wait=yes],
223 [make_cv_union_wait=no])])
224if test "$make_cv_union_wait" = yes; then
225 AC_DEFINE(HAVE_UNION_WAIT, 1,
226 [Define to 1 if you have the \`union wait' type in <sys/wait.h>.])
227fi
228AC_MSG_RESULT($make_cv_union_wait)
229
230
231# If we're building on Windows/DOS/OS/2, add some support for DOS drive specs.
232if test "$PATH_SEPARATOR" = ';'; then
233 AC_DEFINE(HAVE_DOS_PATHS, 1,
234 [Define to 1 if your system requires backslashes or drive specs in pathnames.])
235fi
236
237
238# See if the user wants to use pmake's "customs" distributed build capability
239
240AC_SUBST(REMOTE) REMOTE=stub
241use_customs=false
242AC_ARG_WITH(customs,
243 AC_HELP_STRING([--with-customs=DIR],
244 [enable remote jobs via Customs--see README.customs]),
245 [case $withval in
246 n|no) : ;;
247 *) make_cppflags="$CPPFLAGS"
248 case $withval in
249 y|ye|yes) : ;;
250 *) CPPFLAGS="$CPPFLAGS -I$with_customs/include/customs"
251 make_ldflags="$LDFLAGS -L$with_customs/lib" ;;
252 esac
253 CF_NETLIBS
254 AC_CHECK_HEADER(customs.h,
255 [use_customs=true
256 REMOTE=cstms
257 LIBS="$LIBS -lcustoms" LDFLAGS="$make_ldflags"],
258 [with_customs=no
259 CPPFLAGS="$make_cppflags" make_badcust=yes])
260 ;;
261 esac])
262# Tell automake about this, so it can include the right .c files.
263AM_CONDITIONAL(USE_CUSTOMS, test "$use_customs" = true)
264
265# See if the user asked to handle case insensitive file systems.
266
267AH_TEMPLATE(HAVE_CASE_INSENSITIVE_FS, [Use case insensitive file names])
268AC_ARG_ENABLE(case-insensitive-file-system,
269 AC_HELP_STRING([--enable-case-insensitive-file-system],
270 [assume file systems are case insensitive]),
271 [case $enableval in
272 yes) AC_DEFINE(HAVE_CASE_INSENSITIVE_FS) ;;
273 esac])
274
275# See if we can handle the job server feature, and if the user wants it.
276
277AC_ARG_ENABLE(job-server,
278 AC_HELP_STRING([--disable-job-server],
279 [disallow recursive make communication during -jN]),
280 [make_cv_job_server="$enableval" user_job_server="$enableval"],
281 [make_cv_job_server="yes"])
282
283has_wait_nohang=yes
284case "$ac_cv_func_waitpid/$ac_cv_func_wait3" in
285 no/no) has_wait_nohang=no ;;
286esac
287
288AC_CACHE_CHECK(for SA_RESTART, make_cv_sa_restart, [
289 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <signal.h>]],
290 [[return SA_RESTART;]])],
291 [make_cv_sa_restart=yes],
292 [make_cv_sa_restart=no])])
293
294if test "$make_cv_sa_restart" != no; then
295 AC_DEFINE(HAVE_SA_RESTART, 1,
296 [Define to 1 if <signal.h> defines the SA_RESTART constant.])
297fi
298
299# enable make_cv_sa_restart for OS/2 so that the jobserver will be enabled,
300# but do it after HAVE_SA_RESTART has been defined.
301case "$host_os" in
302 os2*) make_cv_sa_restart=yes ;;
303esac
304
305case "$ac_cv_func_pipe/$ac_cv_func_sigaction/$make_cv_sa_restart/$has_wait_nohang/$make_cv_job_server" in
306 yes/yes/yes/yes/yes)
307 AC_DEFINE(MAKE_JOBSERVER, 1,
308 [Define to 1 to enable job server support in GNU make.]);;
309esac
310
311# if we have both lstat() and readlink() then we can support symlink
312# timechecks.
313case "$ac_cv_func_lstat/$ac_cv_func_readlink" in
314 yes/yes)
315 AC_DEFINE(MAKE_SYMLINKS, 1,
316 [Define to 1 to enable symbolic link timestamp checking.]);;
317esac
318
319# Find the SCCS commands, so we can include them in our default rules.
320
321AC_CACHE_CHECK(for location of SCCS get command, make_cv_path_sccs_get, [
322if test -f /usr/sccs/get; then
323 make_cv_path_sccs_get=/usr/sccs/get
324else
325 make_cv_path_sccs_get=get
326fi])
327AC_DEFINE_UNQUOTED(SCCS_GET, ["$make_cv_path_sccs_get"],
328 [Define to the name of the SCCS 'get' command.])
329
330ac_clean_files="$ac_clean_files s.conftest conftoast" # Remove these later.
331if ( /usr/sccs/admin -n s.conftest || admin -n s.conftest ) >/dev/null 2>&1 &&
332 test -f s.conftest; then
333 # We successfully created an SCCS file.
334 AC_CACHE_CHECK(if SCCS get command understands -G, make_cv_sys_get_minus_G, [
335 if $make_cv_path_sccs_get -Gconftoast s.conftest >/dev/null 2>&1 &&
336 test -f conftoast; then
337 make_cv_sys_get_minus_G=yes
338 else
339 make_cv_sys_get_minus_G=no
340 fi])
341 case "$make_cv_sys_get_minus_G" in
342 yes) AC_DEFINE(SCCS_GET_MINUS_G, 1,
343 [Define to 1 if the SCCS 'get' command understands the '-G<file>' option.]);;
344 esac
345fi
346rm -f s.conftest conftoast
347
348# Check the system to see if it provides GNU glob. If not, use our
349# local version.
350
351AC_MSG_CHECKING(if system libc has GNU glob)
352AC_CACHE_VAL(make_cv_sys_gnu_glob, [
353 AC_EGREP_CPP(gnu glob,[
354#include <features.h>
355#include <glob.h>
356#include <fnmatch.h>
357
358#define GLOB_INTERFACE_VERSION 1
359#if !defined _LIBC && defined __GNU_LIBRARY__ && __GNU_LIBRARY__ > 1
360# include <gnu-versions.h>
361# if _GNU_GLOB_INTERFACE_VERSION == GLOB_INTERFACE_VERSION
362 gnu glob
363# endif
364#endif
365 ], [AC_MSG_RESULT(yes)
366make_cv_sys_gnu_glob=yes], [AC_MSG_RESULT([no; using local copy])
367AC_SUBST(GLOBINC) GLOBINC='-I$(srcdir)/glob'
368AC_SUBST(GLOBLIB) GLOBLIB=glob/libglob.a
369make_cv_sys_gnu_glob=no])])
370# Tell automake about this, so it can build the right .c files.
371AM_CONDITIONAL(USE_LOCAL_GLOB, test "$make_cv_sys_gnu_glob" = no)
372
373# Let the makefile know what our build host is
374
375AC_DEFINE_UNQUOTED(MAKE_HOST,"$host",[Build host information.])
376MAKE_HOST="$host"
377AC_SUBST(MAKE_HOST)
378
379w32_target_env=no
380AM_CONDITIONAL([WINDOWSENV], false)
381
382case "$host" in
383 *-*-mingw32)
384 AM_CONDITIONAL(WINDOWSENV, true)
385 w32_target_env=yes
386 AC_DEFINE([WINDOWS32], [1], [Use platform specific coding])
387 AC_DEFINE([HAVE_DOS_PATHS], [1], [Use platform specific coding])
388 ;;
389esac
390
391AC_DEFINE_UNQUOTED(PATH_SEPARATOR_CHAR,'$PATH_SEPARATOR',[Define to the character that separates directories in PATH.])
392
393# Include the Maintainer's Makefile section, if it's here.
394
395MAINT_MAKEFILE=/dev/null
396if test -r "$srcdir/maintMakefile"; then
397 MAINT_MAKEFILE="$srcdir/maintMakefile"
398fi
399AC_SUBST_FILE(MAINT_MAKEFILE)
400
401# Allow building with dmalloc
402AM_WITH_DMALLOC
403
404# Forcibly disable SET_MAKE. If it's set it breaks things like the test
405# scripts, etc.
406SET_MAKE=
407
408# Sanity check and inform the user of what we found
409
410case "$make_badcust" in
411 yes) echo
412 echo "WARNING: --with-customs specified but no customs.h could be found;"
413 echo " disabling Customs support."
414 echo ;;
415esac
416
417case "$with_customs" in
418 ""|n|no|y|ye|yes) ;;
419 *) if test -f "$with_customs/lib/libcustoms.a"; then
420 :
421 else
422 echo
423 echo "WARNING: '$with_customs/lib' does not appear to contain the"
424 echo " Customs library. You must build and install Customs"
425 echo " before compiling GNU make."
426 echo
427 fi ;;
428esac
429
430case "$has_wait_nohang" in
431 no) echo
432 echo "WARNING: Your system has neither waitpid() nor wait3()."
433 echo " Without one of these, signal handling is unreliable."
434 echo " You should be aware that running GNU make with -j"
435 echo " could result in erratic behavior."
436 echo ;;
437esac
438
439case "$make_cv_job_server/$user_job_server" in
440 no/yes) echo
441 echo "WARNING: Make job server requires a POSIX-ish system that"
442 echo " supports the pipe(), sigaction(), and either"
443 echo " waitpid() or wait3() functions. Your system doesn't"
444 echo " appear to provide one or more of those."
445 echo " Disabling job server support."
446 echo ;;
447esac
448
449
450# Specify what files are to be created.
451#we can safely drop doc and po when bootstrapping kmk.
452#AC_CONFIG_FILES(Makefile glob/Makefile po/Makefile.in config/Makefile doc/Makefile w32/Makefile)
453AC_CONFIG_FILES(Makefile glob/Makefile config/Makefile w32/Makefile)
454
455# OK, do it!
456
457AC_OUTPUT
458
459# We only generate the build.sh if we have a build.sh.in; we won't have
460# one before we've created a distribution.
461if test -f "$srcdir/build.sh.in"; then
462 ./config.status --file build.sh
463 chmod +x build.sh
464fi
465
466dnl Local Variables:
467dnl comment-start: "dnl "
468dnl comment-end: ""
469dnl comment-start-skip: "\\bdnl\\b\\s *"
470dnl compile-command: "make configure config.h.in"
471dnl End:
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