| 1 | # Process this file with autoconf to produce a configure script.
|
|---|
| 2 | #
|
|---|
| 3 | # Copyright (C) 1993-2016 Free Software Foundation, Inc.
|
|---|
| 4 | # This file is part of GNU Make.
|
|---|
| 5 | #
|
|---|
| 6 | # GNU Make is free software; you can redistribute it and/or modify it under
|
|---|
| 7 | # the terms of the GNU General Public License as published by the Free Software
|
|---|
| 8 | # Foundation; either version 3 of the License, or (at your option) any later
|
|---|
| 9 | # 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
|
|---|
| 13 | # FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
|
|---|
| 14 | # details.
|
|---|
| 15 | #
|
|---|
| 16 | # You should have received a copy of the GNU General Public License along with
|
|---|
| 17 | # this program. If not, see <http://www.gnu.org/licenses/>.
|
|---|
| 18 |
|
|---|
| 19 | AC_INIT([GNU make],[4.2.1],[bug-make@gnu.org])
|
|---|
| 20 |
|
|---|
| 21 | AC_PREREQ([2.69])
|
|---|
| 22 |
|
|---|
| 23 | # Autoconf setup
|
|---|
| 24 | AC_CONFIG_AUX_DIR([config])
|
|---|
| 25 | AC_CONFIG_SRCDIR([vpath.c])
|
|---|
| 26 | AC_CONFIG_HEADERS([config.h])
|
|---|
| 27 |
|
|---|
| 28 | # Automake setup
|
|---|
| 29 | # We have to enable "foreign" because ChangeLog is auto-generated
|
|---|
| 30 | # We cannot enable -Werror because gettext 0.18.1 has invalid content
|
|---|
| 31 | # When we update gettext to 0.18.3 or better we can add it again.
|
|---|
| 32 | # bird: Added subdir-objects
|
|---|
| 33 | AM_INIT_AUTOMAKE([1.15 foreign -Werror -Wall subdir-objects])
|
|---|
| 34 |
|
|---|
| 35 | # Checks for programs.
|
|---|
| 36 | AC_USE_SYSTEM_EXTENSIONS
|
|---|
| 37 | AC_PROG_CC
|
|---|
| 38 | AC_PROG_INSTALL
|
|---|
| 39 | AC_PROG_RANLIB
|
|---|
| 40 | AC_PROG_CPP
|
|---|
| 41 | AC_CHECK_PROG([AR], [ar], [ar], [ar])
|
|---|
| 42 | # Perl is needed for the test suite (only)
|
|---|
| 43 | AC_CHECK_PROG([PERL], [perl], [perl], [perl])
|
|---|
| 44 |
|
|---|
| 45 | # Needed for w32/Makefile.am
|
|---|
| 46 | AM_PROG_AR
|
|---|
| 47 |
|
|---|
| 48 | # Specialized system macros
|
|---|
| 49 | AC_CANONICAL_HOST
|
|---|
| 50 | AC_AIX
|
|---|
| 51 | AC_ISC_POSIX
|
|---|
| 52 | AC_MINIX
|
|---|
| 53 |
|
|---|
| 54 | # Enable gettext, in "external" mode.
|
|---|
| 55 | # bird: causes trouble when it doesn't find 'po' in SUBDIRS, so skip it.
|
|---|
| 56 | #AM_GNU_GETTEXT_VERSION([0.19.4])
|
|---|
| 57 | #AM_GNU_GETTEXT([external])
|
|---|
| 58 |
|
|---|
| 59 | # This test must come as early as possible after the compiler configuration
|
|---|
| 60 | # tests, because the choice of the file model can (in principle) affect
|
|---|
| 61 | # whether functions and headers are available, whether they work, etc.
|
|---|
| 62 | AC_SYS_LARGEFILE
|
|---|
| 63 |
|
|---|
| 64 | # Checks for libraries.
|
|---|
| 65 | AC_SEARCH_LIBS([getpwnam], [sun])
|
|---|
| 66 |
|
|---|
| 67 | # Checks for header files.
|
|---|
| 68 | AC_HEADER_STDC
|
|---|
| 69 | AC_HEADER_DIRENT
|
|---|
| 70 | AC_HEADER_STAT
|
|---|
| 71 | AC_HEADER_TIME
|
|---|
| 72 | AC_CHECK_HEADERS([stdlib.h locale.h unistd.h limits.h fcntl.h string.h \
|
|---|
| 73 | memory.h sys/param.h sys/resource.h sys/time.h sys/timeb.h \
|
|---|
| 74 | sys/select.h])
|
|---|
| 75 |
|
|---|
| 76 | AM_PROG_CC_C_O
|
|---|
| 77 | AC_C_CONST
|
|---|
| 78 | AC_TYPE_SIGNAL
|
|---|
| 79 | AC_TYPE_UID_T
|
|---|
| 80 | AC_TYPE_PID_T
|
|---|
| 81 | AC_TYPE_OFF_T
|
|---|
| 82 | AC_TYPE_SIZE_T
|
|---|
| 83 | AC_TYPE_SSIZE_T
|
|---|
| 84 | AC_TYPE_UINTMAX_T
|
|---|
| 85 |
|
|---|
| 86 | # Find out whether our struct stat returns nanosecond resolution timestamps.
|
|---|
| 87 |
|
|---|
| 88 | AC_STRUCT_ST_MTIM_NSEC
|
|---|
| 89 | AC_CACHE_CHECK([whether to use high resolution file timestamps],
|
|---|
| 90 | [make_cv_file_timestamp_hi_res],
|
|---|
| 91 | [ make_cv_file_timestamp_hi_res=no
|
|---|
| 92 | AS_IF([test "$ac_cv_struct_st_mtim_nsec" != no],
|
|---|
| 93 | [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
|---|
| 94 | #if HAVE_INTTYPES_H
|
|---|
| 95 | # include <inttypes.h>
|
|---|
| 96 | #endif]],
|
|---|
| 97 | [[char a[0x7fffffff < (uintmax_t)-1 >> 30 ? 1 : -1];]])],
|
|---|
| 98 | [make_cv_file_timestamp_hi_res=yes])
|
|---|
| 99 | ])])
|
|---|
| 100 | AS_IF([test "$make_cv_file_timestamp_hi_res" = yes], [val=1], [val=0])
|
|---|
| 101 | AC_DEFINE_UNQUOTED([FILE_TIMESTAMP_HI_RES], [$val],
|
|---|
| 102 | [Use high resolution file timestamps if nonzero.])
|
|---|
| 103 |
|
|---|
| 104 | AS_IF([test "$make_cv_file_timestamp_hi_res" = yes],
|
|---|
| 105 | [ # Solaris 2.5.1 needs -lposix4 to get the clock_gettime function.
|
|---|
| 106 | # Solaris 7 prefers the library name -lrt to the obsolescent name -lposix4.
|
|---|
| 107 | AC_SEARCH_LIBS([clock_gettime], [rt posix4])
|
|---|
| 108 | AS_IF([test "$ac_cv_search_clock_gettime" != no],
|
|---|
| 109 | [ AC_DEFINE([HAVE_CLOCK_GETTIME], [1],
|
|---|
| 110 | [Define to 1 if you have the clock_gettime function.])
|
|---|
| 111 | ])
|
|---|
| 112 | ])
|
|---|
| 113 |
|
|---|
| 114 | # Check for DOS-style pathnames.
|
|---|
| 115 | pds_AC_DOS_PATHS
|
|---|
| 116 |
|
|---|
| 117 | # See if we have a standard version of gettimeofday(). Since actual
|
|---|
| 118 | # implementations can differ, just make sure we have the most common
|
|---|
| 119 | # one.
|
|---|
| 120 | AC_CACHE_CHECK([for standard gettimeofday], [ac_cv_func_gettimeofday],
|
|---|
| 121 | [ac_cv_func_gettimeofday=no
|
|---|
| 122 | AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <sys/time.h>
|
|---|
| 123 | int main ()
|
|---|
| 124 | {
|
|---|
| 125 | struct timeval t; t.tv_sec = -1; t.tv_usec = -1;
|
|---|
| 126 | exit (gettimeofday (&t, 0) != 0
|
|---|
| 127 | || t.tv_sec < 0 || t.tv_usec < 0);
|
|---|
| 128 | }]])],
|
|---|
| 129 | [ac_cv_func_gettimeofday=yes],
|
|---|
| 130 | [ac_cv_func_gettimeofday=no],
|
|---|
| 131 | [ac_cv_func_gettimeofday="no (cross-compiling)"])])
|
|---|
| 132 | AS_IF([test "$ac_cv_func_gettimeofday" = yes],
|
|---|
| 133 | [ AC_DEFINE([HAVE_GETTIMEOFDAY], [1],
|
|---|
| 134 | [Define to 1 if you have a standard gettimeofday function])
|
|---|
| 135 | ])
|
|---|
| 136 |
|
|---|
| 137 | AC_CHECK_FUNCS([strdup strndup mkstemp mktemp fdopen fileno \
|
|---|
| 138 | dup dup2 getcwd realpath sigsetmask sigaction \
|
|---|
| 139 | getgroups seteuid setegid setlinebuf setreuid setregid \
|
|---|
| 140 | getrlimit setrlimit setvbuf pipe strerror strsignal \
|
|---|
| 141 | lstat readlink atexit isatty ttyname pselect])
|
|---|
| 142 |
|
|---|
| 143 | # We need to check declarations, not just existence, because on Tru64 this
|
|---|
| 144 | # function is not declared without special flags, which themselves cause
|
|---|
| 145 | # other problems. We'll just use our own.
|
|---|
| 146 | AC_CHECK_DECLS([bsd_signal], [], [], [[#define _GNU_SOURCE 1
|
|---|
| 147 | #include <signal.h>]])
|
|---|
| 148 |
|
|---|
| 149 | AC_FUNC_FORK
|
|---|
| 150 |
|
|---|
| 151 | AC_FUNC_SETVBUF_REVERSED
|
|---|
| 152 |
|
|---|
| 153 | # Rumor has it that strcasecmp lives in -lresolv on some odd systems.
|
|---|
| 154 | # It doesn't hurt much to use our own if we can't find it so I don't
|
|---|
| 155 | # make the effort here.
|
|---|
| 156 | AC_CHECK_FUNCS([strcasecmp strncasecmp strcmpi strncmpi stricmp strnicmp])
|
|---|
| 157 |
|
|---|
| 158 | # strcoll() is used by the GNU glob library
|
|---|
| 159 | AC_FUNC_STRCOLL
|
|---|
| 160 |
|
|---|
| 161 | AC_FUNC_ALLOCA
|
|---|
| 162 | AC_FUNC_CLOSEDIR_VOID
|
|---|
| 163 |
|
|---|
| 164 | # See if the user wants to add (or not) GNU Guile support
|
|---|
| 165 | PKG_PROG_PKG_CONFIG
|
|---|
| 166 | AC_ARG_WITH([guile], [AS_HELP_STRING([--with-guile],
|
|---|
| 167 | [Support GNU Guile for embedded scripting])])
|
|---|
| 168 |
|
|---|
| 169 | # For some strange reason, at least on Ubuntu, each version of Guile
|
|---|
| 170 | # comes with it's own PC file so we have to specify them as individual
|
|---|
| 171 | # packages. Ugh.
|
|---|
| 172 | AS_IF([test "x$with_guile" != xno],
|
|---|
| 173 | [ PKG_CHECK_MODULES([GUILE], [guile-2.0], [have_guile=yes],
|
|---|
| 174 | [PKG_CHECK_MODULES([GUILE], [guile-1.8], [have_guile=yes],
|
|---|
| 175 | [have_guile=no])])
|
|---|
| 176 | ])
|
|---|
| 177 |
|
|---|
| 178 | AS_IF([test "$have_guile" = yes],
|
|---|
| 179 | [AC_DEFINE([HAVE_GUILE], [1], [Embed GNU Guile support])])
|
|---|
| 180 |
|
|---|
| 181 | AM_CONDITIONAL([HAVE_GUILE], [test "$have_guile" = yes])
|
|---|
| 182 |
|
|---|
| 183 | AC_FUNC_GETLOADAVG
|
|---|
| 184 |
|
|---|
| 185 | # AC_FUNC_GETLOADAVG is documented to set the NLIST_STRUCT value, but it
|
|---|
| 186 | # doesn't. So, we will.
|
|---|
| 187 |
|
|---|
| 188 | AS_IF([test "$ac_cv_header_nlist_h" = yes],
|
|---|
| 189 | [ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <nlist.h>]],
|
|---|
| 190 | [[struct nlist nl;
|
|---|
| 191 | nl.n_name = "string";
|
|---|
| 192 | return 0;]])],
|
|---|
| 193 | [make_cv_nlist_struct=yes],
|
|---|
| 194 | [make_cv_nlist_struct=no])
|
|---|
| 195 | AS_IF([test "$make_cv_nlist_struct" = yes],
|
|---|
| 196 | [ AC_DEFINE([NLIST_STRUCT], [1],
|
|---|
| 197 | [Define to 1 if struct nlist.n_name is a pointer rather than an array.])
|
|---|
| 198 | ])
|
|---|
| 199 | ])
|
|---|
| 200 |
|
|---|
| 201 | AC_CHECK_DECLS([sys_siglist, _sys_siglist, __sys_siglist], , ,
|
|---|
| 202 | [AC_INCLUDES_DEFAULT
|
|---|
| 203 | #include <signal.h>
|
|---|
| 204 | /* NetBSD declares sys_siglist in unistd.h. */
|
|---|
| 205 | #if HAVE_UNISTD_H
|
|---|
| 206 | # include <unistd.h>
|
|---|
| 207 | #endif
|
|---|
| 208 | ])
|
|---|
| 209 |
|
|---|
| 210 |
|
|---|
| 211 | # Check out the wait reality.
|
|---|
| 212 | AC_CHECK_HEADERS([sys/wait.h],[],[],[[#include <sys/types.h>]])
|
|---|
| 213 | AC_CHECK_FUNCS([waitpid wait3])
|
|---|
| 214 | AC_CACHE_CHECK([for union wait], [make_cv_union_wait],
|
|---|
| 215 | [ AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
|
|---|
| 216 | #include <sys/wait.h>]],
|
|---|
| 217 | [[union wait status; int pid; pid = wait (&status);
|
|---|
| 218 | #ifdef WEXITSTATUS
|
|---|
| 219 | /* Some POSIXoid systems have both the new-style macros and the old
|
|---|
| 220 | union wait type, and they do not work together. If union wait
|
|---|
| 221 | conflicts with WEXITSTATUS et al, we don't want to use it at all. */
|
|---|
| 222 | if (WEXITSTATUS (status) != 0) pid = -1;
|
|---|
| 223 | #ifdef WTERMSIG
|
|---|
| 224 | /* If we have WEXITSTATUS and WTERMSIG, just use them on ints. */
|
|---|
| 225 | -- blow chunks here --
|
|---|
| 226 | #endif
|
|---|
| 227 | #endif
|
|---|
| 228 | #ifdef HAVE_WAITPID
|
|---|
| 229 | /* Make sure union wait works with waitpid. */
|
|---|
| 230 | pid = waitpid (-1, &status, 0);
|
|---|
| 231 | #endif
|
|---|
| 232 | ]])],
|
|---|
| 233 | [make_cv_union_wait=yes],
|
|---|
| 234 | [make_cv_union_wait=no])
|
|---|
| 235 | ])
|
|---|
| 236 | AS_IF([test "$make_cv_union_wait" = yes],
|
|---|
| 237 | [ AC_DEFINE([HAVE_UNION_WAIT], [1],
|
|---|
| 238 | [Define to 1 if you have the 'union wait' type in <sys/wait.h>.])
|
|---|
| 239 | ])
|
|---|
| 240 |
|
|---|
| 241 |
|
|---|
| 242 | # If we're building on Windows/DOS/OS/2, add some support for DOS drive specs.
|
|---|
| 243 | AS_IF([test "$PATH_SEPARATOR" = ';'],
|
|---|
| 244 | [ AC_DEFINE([HAVE_DOS_PATHS], [1],
|
|---|
| 245 | [Define to 1 if your system requires backslashes or drive specs in pathnames.])
|
|---|
| 246 | ])
|
|---|
| 247 |
|
|---|
| 248 | # See if the user wants to use pmake's "customs" distributed build capability
|
|---|
| 249 | AC_SUBST([REMOTE]) REMOTE=stub
|
|---|
| 250 | use_customs=false
|
|---|
| 251 | AC_ARG_WITH([customs],
|
|---|
| 252 | [AC_HELP_STRING([--with-customs=DIR],
|
|---|
| 253 | [enable remote jobs via Customs--see README.customs])],
|
|---|
| 254 | [ AS_CASE([$withval], [n|no], [:],
|
|---|
| 255 | [make_cppflags="$CPPFLAGS"
|
|---|
| 256 | AS_CASE([$withval],
|
|---|
| 257 | [y|ye|yes], [:],
|
|---|
| 258 | [CPPFLAGS="$CPPFLAGS -I$with_customs/include/customs"
|
|---|
| 259 | make_ldflags="$LDFLAGS -L$with_customs/lib"])
|
|---|
| 260 | CF_NETLIBS
|
|---|
| 261 | AC_CHECK_HEADER([customs.h],
|
|---|
| 262 | [use_customs=true
|
|---|
| 263 | REMOTE=cstms
|
|---|
| 264 | LIBS="$LIBS -lcustoms" LDFLAGS="$make_ldflags"],
|
|---|
| 265 | [with_customs=no
|
|---|
| 266 | CPPFLAGS="$make_cppflags" make_badcust=yes])
|
|---|
| 267 | ])
|
|---|
| 268 | ])
|
|---|
| 269 |
|
|---|
| 270 | # Tell automake about this, so it can include the right .c files.
|
|---|
| 271 | AM_CONDITIONAL([USE_CUSTOMS], [test "$use_customs" = true])
|
|---|
| 272 |
|
|---|
| 273 | # See if the user asked to handle case insensitive file systems.
|
|---|
| 274 | AH_TEMPLATE([HAVE_CASE_INSENSITIVE_FS], [Use case insensitive file names])
|
|---|
| 275 | AC_ARG_ENABLE([case-insensitive-file-system],
|
|---|
| 276 | AC_HELP_STRING([--enable-case-insensitive-file-system],
|
|---|
| 277 | [assume file systems are case insensitive]),
|
|---|
| 278 | [AS_IF([test "$enableval" = yes], [AC_DEFINE([HAVE_CASE_INSENSITIVE_FS])])])
|
|---|
| 279 |
|
|---|
| 280 | # See if we can handle the job server feature, and if the user wants it.
|
|---|
| 281 | AC_ARG_ENABLE([job-server],
|
|---|
| 282 | AC_HELP_STRING([--disable-job-server],
|
|---|
| 283 | [disallow recursive make communication during -jN]),
|
|---|
| 284 | [make_cv_job_server="$enableval" user_job_server="$enableval"],
|
|---|
| 285 | [make_cv_job_server="yes"])
|
|---|
| 286 |
|
|---|
| 287 | AS_IF([test "$ac_cv_func_waitpid" = no && test "$ac_cv_func_wait3" = no],
|
|---|
| 288 | [has_wait_nohang=no],
|
|---|
| 289 | [has_wait_nohang=yes])
|
|---|
| 290 |
|
|---|
| 291 | AC_CACHE_CHECK([for SA_RESTART], [make_cv_sa_restart], [
|
|---|
| 292 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <signal.h>]],
|
|---|
| 293 | [[return SA_RESTART;]])],
|
|---|
| 294 | [make_cv_sa_restart=yes],
|
|---|
| 295 | [make_cv_sa_restart=no])])
|
|---|
| 296 |
|
|---|
| 297 | AS_IF([test "$make_cv_sa_restart" != no],
|
|---|
| 298 | [ AC_DEFINE([HAVE_SA_RESTART], [1],
|
|---|
| 299 | [Define to 1 if <signal.h> defines the SA_RESTART constant.])
|
|---|
| 300 | ])
|
|---|
| 301 |
|
|---|
| 302 | # Only allow jobserver on systems that support it
|
|---|
| 303 | AS_CASE([/$ac_cv_func_pipe/$ac_cv_func_sigaction/$make_cv_sa_restart/$has_wait_nohang/],
|
|---|
| 304 | [*/no/*], [make_cv_job_server=no])
|
|---|
| 305 |
|
|---|
| 306 | # Also supported on OS2 and MinGW
|
|---|
| 307 | AS_CASE([$host_os], [os2*|mingw*], [make_cv_job_server=yes])
|
|---|
| 308 |
|
|---|
| 309 | # If we support it and the user didn't disable it, build with jobserver
|
|---|
| 310 | AS_CASE([/$make_cv_job_server/$user_job_server/],
|
|---|
| 311 | [*/no/*], [: no jobserver],
|
|---|
| 312 | [AC_DEFINE(MAKE_JOBSERVER, 1,
|
|---|
| 313 | [Define to 1 to enable job server support in GNU make.])
|
|---|
| 314 | ])
|
|---|
| 315 |
|
|---|
| 316 | # If dl*() functions are supported we can enable the load operation
|
|---|
| 317 | AC_CHECK_DECLS([dlopen, dlsym, dlerror], [], [],
|
|---|
| 318 | [[#include <dlfcn.h>]])
|
|---|
| 319 |
|
|---|
| 320 | AC_ARG_ENABLE([load],
|
|---|
| 321 | AC_HELP_STRING([--disable-load],
|
|---|
| 322 | [disable support for the 'load' operation]),
|
|---|
| 323 | [make_cv_load="$enableval" user_load="$enableval"],
|
|---|
| 324 | [make_cv_load="yes"])
|
|---|
| 325 |
|
|---|
| 326 | AS_CASE([/$ac_cv_have_decl_dlopen/$ac_cv_have_decl_dlsym/$ac_cv_have_decl_dlerror/],
|
|---|
| 327 | [*/no/*], [make_cv_load=no])
|
|---|
| 328 |
|
|---|
| 329 | # We might need -ldl
|
|---|
| 330 | AS_IF([test "$make_cv_load" = yes], [
|
|---|
| 331 | AC_SEARCH_LIBS([dlopen], [dl], [], [make_cv_load=])
|
|---|
| 332 | ])
|
|---|
| 333 |
|
|---|
| 334 | AS_CASE([/$make_cv_load/$user_load/],
|
|---|
| 335 | [*/no/*], [make_cv_load=no],
|
|---|
| 336 | [AC_DEFINE(MAKE_LOAD, 1,
|
|---|
| 337 | [Define to 1 to enable 'load' support in GNU make.])
|
|---|
| 338 | ])
|
|---|
| 339 |
|
|---|
| 340 | # If we want load support, we might need to link with export-dynamic.
|
|---|
| 341 | # See if we can figure it out. Unfortunately this is very difficult.
|
|---|
| 342 | # For example passing -rdynamic to the SunPRO linker gives a warning
|
|---|
| 343 | # but succeeds and creates a shared object, not an executable!
|
|---|
| 344 | AS_IF([test "$make_cv_load" = yes], [
|
|---|
| 345 | AC_MSG_CHECKING([If the linker accepts -Wl,--export-dynamic])
|
|---|
| 346 | old_LDFLAGS="$LDFLAGS"
|
|---|
| 347 | LDFLAGS="$LDFLAGS -Wl,--export-dynamic"
|
|---|
| 348 | AC_LINK_IFELSE([AC_LANG_SOURCE([int main(){}])],
|
|---|
| 349 | [AC_MSG_RESULT([yes])
|
|---|
| 350 | AC_SUBST([AM_LDFLAGS], [-Wl,--export-dynamic])],
|
|---|
| 351 | [AC_MSG_RESULT([no])
|
|---|
| 352 | AC_MSG_CHECKING([If the linker accepts -rdynamic])
|
|---|
| 353 | LDFLAGS="$old_LDFLAGS -rdynamic"
|
|---|
| 354 | AC_LINK_IFELSE([AC_LANG_SOURCE([int main(){}])],
|
|---|
| 355 | [AC_MSG_RESULT([yes])
|
|---|
| 356 | AC_SUBST([AM_LDFLAGS], [-rdynamic])],
|
|---|
| 357 | [AC_MSG_RESULT([no])])
|
|---|
| 358 | ])
|
|---|
| 359 | LDFLAGS="$old_LDFLAGS"
|
|---|
| 360 | ])
|
|---|
| 361 |
|
|---|
| 362 | # if we have both lstat() and readlink() then we can support symlink
|
|---|
| 363 | # timechecks.
|
|---|
| 364 | AS_IF([test "$ac_cv_func_lstat" = yes && test "$ac_cv_func_readlink" = yes],
|
|---|
| 365 | [ AC_DEFINE([MAKE_SYMLINKS], [1],
|
|---|
| 366 | [Define to 1 to enable symbolic link timestamp checking.])
|
|---|
| 367 | ])
|
|---|
| 368 |
|
|---|
| 369 | # Find the SCCS commands, so we can include them in our default rules.
|
|---|
| 370 |
|
|---|
| 371 | AC_CACHE_CHECK([for location of SCCS get command], [make_cv_path_sccs_get], [
|
|---|
| 372 | AS_IF([test -f /usr/sccs/get],
|
|---|
| 373 | [make_cv_path_sccs_get=/usr/sccs/get],
|
|---|
| 374 | [make_cv_path_sccs_get=get])
|
|---|
| 375 | ])
|
|---|
| 376 | AC_DEFINE_UNQUOTED([SCCS_GET], ["$make_cv_path_sccs_get"],
|
|---|
| 377 | [Define to the name of the SCCS 'get' command.])
|
|---|
| 378 |
|
|---|
| 379 | ac_clean_files="$ac_clean_files s.conftest conftoast" # Remove these later.
|
|---|
| 380 | AS_IF([(/usr/sccs/admin -n s.conftest || admin -n s.conftest) >/dev/null 2>&1 &&
|
|---|
| 381 | test -f s.conftest],
|
|---|
| 382 | [ # We successfully created an SCCS file.
|
|---|
| 383 | AC_CACHE_CHECK([if SCCS get command understands -G], [make_cv_sys_get_minus_G],
|
|---|
| 384 | [AS_IF([$make_cv_path_sccs_get -Gconftoast s.conftest >/dev/null 2>&1 &&
|
|---|
| 385 | test -f conftoast],
|
|---|
| 386 | [make_cv_sys_get_minus_G=yes],
|
|---|
| 387 | [make_cv_sys_get_minus_G=no])
|
|---|
| 388 | ])
|
|---|
| 389 | AS_IF([test "$make_cv_sys_get_minus_G" = yes],
|
|---|
| 390 | [AC_DEFINE([SCCS_GET_MINUS_G], [1],
|
|---|
| 391 | [Define to 1 if the SCCS 'get' command understands the '-G<file>' option.])
|
|---|
| 392 | ])
|
|---|
| 393 | ])
|
|---|
| 394 | rm -f s.conftest conftoast
|
|---|
| 395 |
|
|---|
| 396 | ## bird: always use our glob impl. Avoids trouble with newish glibc.
|
|---|
| 397 | # Check the system to see if it provides GNU glob. If not, use our
|
|---|
| 398 | # local version.
|
|---|
| 399 | #x# AC_CACHE_CHECK([if system libc has GNU glob], [make_cv_sys_gnu_glob],
|
|---|
| 400 | #x# [ AC_EGREP_CPP([gnu glob],[
|
|---|
| 401 | #x# #include <features.h>
|
|---|
| 402 | #x# #include <glob.h>
|
|---|
| 403 | #x# #include <fnmatch.h>
|
|---|
| 404 | #x#
|
|---|
| 405 | #x# #define GLOB_INTERFACE_VERSION 1
|
|---|
| 406 | #x# #if !defined _LIBC && defined __GNU_LIBRARY__ && __GNU_LIBRARY__ > 1
|
|---|
| 407 | #x# # include <gnu-versions.h>
|
|---|
| 408 | #x# # if _GNU_GLOB_INTERFACE_VERSION == GLOB_INTERFACE_VERSION
|
|---|
| 409 | #x# gnu glob
|
|---|
| 410 | #x# # endif
|
|---|
| 411 | #x# #endif],
|
|---|
| 412 | #x# [make_cv_sys_gnu_glob=yes],
|
|---|
| 413 | #x# [make_cv_sys_gnu_glob=no])])
|
|---|
| 414 | #x# AS_IF([test "$make_cv_sys_gnu_glob" = no],
|
|---|
| 415 | AS_IF([test yes = yes],
|
|---|
| 416 | [ GLOBINC='-I$(srcdir)/glob'
|
|---|
| 417 | GLOBLIB=glob/libglob.a
|
|---|
| 418 | make_cv_sys_gnu_glob=no
|
|---|
| 419 | ])
|
|---|
| 420 | AC_SUBST([GLOBINC])
|
|---|
| 421 | AC_SUBST([GLOBLIB])
|
|---|
| 422 |
|
|---|
| 423 | # Tell automake about this, so it can build the right .c files.
|
|---|
| 424 | AM_CONDITIONAL([USE_LOCAL_GLOB], [test "$make_cv_sys_gnu_glob" = no])
|
|---|
| 425 |
|
|---|
| 426 | # Let the makefile know what our build host is
|
|---|
| 427 |
|
|---|
| 428 | AC_DEFINE_UNQUOTED([MAKE_HOST],["$host"],[Build host information.])
|
|---|
| 429 | MAKE_HOST="$host"
|
|---|
| 430 | AC_SUBST([MAKE_HOST])
|
|---|
| 431 |
|
|---|
| 432 | w32_target_env=no
|
|---|
| 433 | AM_CONDITIONAL([WINDOWSENV], [false])
|
|---|
| 434 |
|
|---|
| 435 | AS_CASE([$host],
|
|---|
| 436 | [*-*-mingw32],
|
|---|
| 437 | [AM_CONDITIONAL([WINDOWSENV], [true])
|
|---|
| 438 | w32_target_env=yes
|
|---|
| 439 | AC_DEFINE([WINDOWS32], [1], [Use platform specific coding])
|
|---|
| 440 | AC_DEFINE([HAVE_DOS_PATHS], [1], [Use platform specific coding])
|
|---|
| 441 | ])
|
|---|
| 442 |
|
|---|
| 443 | AC_DEFINE_UNQUOTED([PATH_SEPARATOR_CHAR],['$PATH_SEPARATOR'],
|
|---|
| 444 | [Define to the character that separates directories in PATH.])
|
|---|
| 445 |
|
|---|
| 446 | # Include the Maintainer's Makefile section, if it's here.
|
|---|
| 447 |
|
|---|
| 448 | MAINT_MAKEFILE=/dev/null
|
|---|
| 449 | AS_IF([test -r "$srcdir/maintMakefile"],
|
|---|
| 450 | [ MAINT_MAKEFILE="$srcdir/maintMakefile"
|
|---|
| 451 | ])
|
|---|
| 452 | AC_SUBST_FILE([MAINT_MAKEFILE])
|
|---|
| 453 |
|
|---|
| 454 | # Allow building with dmalloc
|
|---|
| 455 | AM_WITH_DMALLOC
|
|---|
| 456 |
|
|---|
| 457 | # Forcibly disable SET_MAKE. If it's set it breaks things like the test
|
|---|
| 458 | # scripts, etc.
|
|---|
| 459 | SET_MAKE=
|
|---|
| 460 |
|
|---|
| 461 | # Sanity check and inform the user of what we found
|
|---|
| 462 |
|
|---|
| 463 | AS_IF([test "x$make_badcust" = xyes], [
|
|---|
| 464 | echo
|
|---|
| 465 | echo "WARNING: --with-customs specified but no customs.h could be found;"
|
|---|
| 466 | echo " disabling Customs support."
|
|---|
| 467 | echo
|
|---|
| 468 | ])
|
|---|
| 469 |
|
|---|
| 470 | AS_CASE([$with_customs],
|
|---|
| 471 | [""|n|no|y|ye|yes], [:],
|
|---|
| 472 | [AS_IF([test -f "$with_customs/lib/libcustoms.a"], [:],
|
|---|
| 473 | [ echo
|
|---|
| 474 | echo "WARNING: '$with_customs/lib' does not appear to contain the"
|
|---|
| 475 | echo " Customs library. You must build and install Customs"
|
|---|
| 476 | echo " before compiling GNU make."
|
|---|
| 477 | echo
|
|---|
| 478 | ])])
|
|---|
| 479 |
|
|---|
| 480 | AS_IF([test "x$has_wait_nohang" = xno],
|
|---|
| 481 | [ echo
|
|---|
| 482 | echo "WARNING: Your system has neither waitpid() nor wait3()."
|
|---|
| 483 | echo " Without one of these, signal handling is unreliable."
|
|---|
| 484 | echo " You should be aware that running GNU make with -j"
|
|---|
| 485 | echo " could result in erratic behavior."
|
|---|
| 486 | echo
|
|---|
| 487 | ])
|
|---|
| 488 |
|
|---|
| 489 | AS_IF([test "x$make_cv_job_server" = xno && test "x$user_job_server" = xyes],
|
|---|
| 490 | [ echo
|
|---|
| 491 | echo "WARNING: Make job server requires a POSIX-ish system that"
|
|---|
| 492 | echo " supports the pipe(), sigaction(), and either"
|
|---|
| 493 | echo " waitpid() or wait3() functions. Your system doesn't"
|
|---|
| 494 | echo " appear to provide one or more of those."
|
|---|
| 495 | echo " Disabling job server support."
|
|---|
| 496 | echo
|
|---|
| 497 | ])
|
|---|
| 498 |
|
|---|
| 499 | AS_IF([test "x$make_cv_load" = xno && test "x$user_load" = xyes],
|
|---|
| 500 | [ echo
|
|---|
| 501 | echo "WARNING: 'load' support requires a POSIX-ish system that"
|
|---|
| 502 | echo " supports the dlopen(), dlsym(), and dlerror() functions."
|
|---|
| 503 | echo " Your system doesn't appear to provide one or more of these."
|
|---|
| 504 | echo " Disabling 'load' support."
|
|---|
| 505 | echo
|
|---|
| 506 | ])
|
|---|
| 507 |
|
|---|
| 508 | # Specify what files are to be created.
|
|---|
| 509 | AC_CONFIG_FILES([Makefile glob/Makefile po/Makefile.in config/Makefile \
|
|---|
| 510 | doc/Makefile w32/Makefile tests/config-flags.pm])
|
|---|
| 511 |
|
|---|
| 512 | # OK, do it!
|
|---|
| 513 |
|
|---|
| 514 | AC_OUTPUT
|
|---|
| 515 |
|
|---|
| 516 | # We only generate the build.sh if we have a build.sh.in; we won't have
|
|---|
| 517 | # one before we've created a distribution.
|
|---|
| 518 | AS_IF([test -f "$srcdir/build.sh.in"],
|
|---|
| 519 | [ ./config.status --file build.sh
|
|---|
| 520 | chmod +x build.sh
|
|---|
| 521 | ])
|
|---|
| 522 |
|
|---|
| 523 | dnl Local Variables:
|
|---|
| 524 | dnl comment-start: "dnl "
|
|---|
| 525 | dnl comment-end: ""
|
|---|
| 526 | dnl comment-start-skip: "\\bdnl\\b\\s *"
|
|---|
| 527 | dnl compile-command: "make configure config.h.in"
|
|---|
| 528 | dnl End:
|
|---|
