-dnl
-dnl Bash specific tests
-dnl
-dnl Some derived from PDKSH 5.1.3 autoconf tests
-dnl
-
-AC_DEFUN(BASH_C_LONG_LONG,
-[AC_CACHE_CHECK(for long long, ac_cv_c_long_long,
-[if test "$GCC" = yes; then
- ac_cv_c_long_long=yes
-else
-AC_TRY_RUN([
-int
-main()
-{
-long long foo = 0;
-exit(sizeof(long long) < sizeof(long));
-}
-], ac_cv_c_long_long=yes, ac_cv_c_long_long=no)
-fi])
-if test $ac_cv_c_long_long = yes; then
- AC_DEFINE(HAVE_LONG_LONG, 1, [Define if the `long long' type works.])
-fi
-])
-
-dnl
-dnl This is very similar to AC_C_LONG_DOUBLE, with the fix for IRIX
-dnl (< changed to <=) added.
-dnl
-AC_DEFUN(BASH_C_LONG_DOUBLE,
-[AC_CACHE_CHECK(for long double, ac_cv_c_long_double,
-[if test "$GCC" = yes; then
- ac_cv_c_long_double=yes
-else
-AC_TRY_RUN([
-int
-main()
-{
- /* The Stardent Vistra knows sizeof(long double), but does not
- support it. */
- long double foo = 0.0;
- /* On Ultrix 4.3 cc, long double is 4 and double is 8. */
- /* On IRIX 5.3, the compiler converts long double to double with a warning,
- but compiles this successfully. */
- exit(sizeof(long double) <= sizeof(double));
-}
-], ac_cv_c_long_double=yes, ac_cv_c_long_double=no)
-fi])
-if test $ac_cv_c_long_double = yes; then
- AC_DEFINE(HAVE_LONG_DOUBLE, 1, [Define if the `long double' type works.])
-fi
-])
-
-dnl
-dnl Check for <inttypes.h>. This is separated out so that it can be
-dnl AC_REQUIREd.
-dnl
-dnl BASH_HEADER_INTTYPES
-AC_DEFUN(BASH_HEADER_INTTYPES,
-[
- AC_CHECK_HEADERS(inttypes.h)
-])
-
-dnl
-dnl check for typedef'd symbols in header files, but allow the caller to
-dnl specify the include files to be checked in addition to the default
-dnl
-dnl BASH_CHECK_TYPE(TYPE, HEADERS, DEFAULT[, VALUE-IF-FOUND])
-AC_DEFUN(BASH_CHECK_TYPE,
-[
-AC_REQUIRE([AC_HEADER_STDC])dnl
-AC_REQUIRE([BASH_HEADER_INTTYPES])
-AC_MSG_CHECKING(for $1)
-AC_CACHE_VAL(bash_cv_type_$1,
-[AC_EGREP_CPP($1, [#include <sys/types.h>
-#if STDC_HEADERS
-#include <stdlib.h>
-#include <stddef.h>
-#endif
-#if HAVE_INTTYPES_H
-#include <inttypes.h>
-#endif
-$2
-], bash_cv_type_$1=yes, bash_cv_type_$1=no)])
-AC_MSG_RESULT($bash_cv_type_$1)
-ifelse($#, 4, [if test $bash_cv_type_$1 = yes; then
- AC_DEFINE($4)
- fi])
-if test $bash_cv_type_$1 = no; then
- AC_DEFINE_UNQUOTED($1, $3)
-fi
-])
-
-dnl
-dnl BASH_CHECK_DECL(FUNC)
-dnl
-dnl Check for a declaration of FUNC in stdlib.h and inttypes.h like
-dnl AC_CHECK_DECL
-dnl
-AC_DEFUN(BASH_CHECK_DECL,
-[
-AC_REQUIRE([AC_HEADER_STDC])
-AC_REQUIRE([BASH_HEADER_INTTYPES])
-AC_CACHE_CHECK([for declaration of $1], bash_cv_decl_$1,
-[AC_TRY_LINK(
-[
-#if STDC_HEADERS
-# include <stdlib.h>
-#endif
-#if HAVE_INTTYPES_H
-# include <inttypes.h>
-#endif
-],
-[return !$1;],
-bash_cv_decl_$1=yes, bash_cv_decl_$1=no)])
-bash_tr_func=HAVE_DECL_`echo $1 | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
-if test $bash_cv_decl_$1 = yes; then
- AC_DEFINE_UNQUOTED($bash_tr_func, 1)
-else
- AC_DEFINE_UNQUOTED($bash_tr_func, 0)
-fi
-])
-
-AC_DEFUN(BASH_DECL_PRINTF,
-[AC_MSG_CHECKING(for declaration of printf in <stdio.h>)
-AC_CACHE_VAL(bash_cv_printf_declared,
-[AC_TRY_RUN([
-#include <stdio.h>
-#ifdef __STDC__
-typedef int (*_bashfunc)(const char *, ...);
-#else
-typedef int (*_bashfunc)();
-#endif
-main()
-{
-_bashfunc pf;
-pf = (_bashfunc) printf;
-exit(pf == 0);
-}
-], bash_cv_printf_declared=yes, bash_cv_printf_declared=no,
- [AC_MSG_WARN(cannot check printf declaration if cross compiling -- defaulting to yes)
- bash_cv_printf_declared=yes]
-)])
-AC_MSG_RESULT($bash_cv_printf_declared)
-if test $bash_cv_printf_declared = yes; then
-AC_DEFINE(PRINTF_DECLARED)
-fi
-])
-
-AC_DEFUN(BASH_DECL_SBRK,
-[AC_MSG_CHECKING(for declaration of sbrk in <unistd.h>)
-AC_CACHE_VAL(bash_cv_sbrk_declared,
-[AC_EGREP_HEADER(sbrk, unistd.h,
- bash_cv_sbrk_declared=yes, bash_cv_sbrk_declared=no)])
-AC_MSG_RESULT($bash_cv_sbrk_declared)
-if test $bash_cv_sbrk_declared = yes; then
-AC_DEFINE(SBRK_DECLARED)
-fi
-])
-
-dnl
-dnl Check for sys_siglist[] or _sys_siglist[]
-dnl
-AC_DEFUN(BASH_DECL_UNDER_SYS_SIGLIST,
-[AC_MSG_CHECKING([for _sys_siglist in signal.h or unistd.h])
-AC_CACHE_VAL(bash_cv_decl_under_sys_siglist,
-[AC_TRY_COMPILE([
-#include <sys/types.h>
-#include <signal.h>
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif], [ char *msg = _sys_siglist[2]; ],
- bash_cv_decl_under_sys_siglist=yes, bash_cv_decl_under_sys_siglist=no,
- [AC_MSG_WARN(cannot check for _sys_siglist[] if cross compiling -- defaulting to no)])])dnl
-AC_MSG_RESULT($bash_cv_decl_under_sys_siglist)
-if test $bash_cv_decl_under_sys_siglist = yes; then
-AC_DEFINE(UNDER_SYS_SIGLIST_DECLARED)
-fi
-])
-
-AC_DEFUN(BASH_UNDER_SYS_SIGLIST,
-[AC_REQUIRE([BASH_DECL_UNDER_SYS_SIGLIST])
-AC_MSG_CHECKING([for _sys_siglist in system C library])
-AC_CACHE_VAL(bash_cv_under_sys_siglist,
-[AC_TRY_RUN([
-#include <sys/types.h>
-#include <signal.h>
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#ifndef UNDER_SYS_SIGLIST_DECLARED
-extern char *_sys_siglist[];
-#endif
-main()
-{
-char *msg = (char *)_sys_siglist[2];
-exit(msg == 0);
-}],
- bash_cv_under_sys_siglist=yes, bash_cv_under_sys_siglist=no,
- [AC_MSG_WARN(cannot check for _sys_siglist[] if cross compiling -- defaulting to no)
- bash_cv_under_sys_siglist=no])])
-AC_MSG_RESULT($bash_cv_under_sys_siglist)
-if test $bash_cv_under_sys_siglist = yes; then
-AC_DEFINE(HAVE_UNDER_SYS_SIGLIST)
-fi
-])
-
-AC_DEFUN(BASH_SYS_SIGLIST,
-[AC_REQUIRE([AC_DECL_SYS_SIGLIST])
-AC_MSG_CHECKING([for sys_siglist in system C library])
-AC_CACHE_VAL(bash_cv_sys_siglist,
-[AC_TRY_RUN([
-#include <sys/types.h>
-#include <signal.h>
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#ifndef SYS_SIGLIST_DECLARED
-extern char *sys_siglist[];
-#endif
-main()
-{
-char *msg = sys_siglist[2];
-exit(msg == 0);
-}],
- bash_cv_sys_siglist=yes, bash_cv_sys_siglist=no,
- [AC_MSG_WARN(cannot check for sys_siglist if cross compiling -- defaulting to no)
- bash_cv_sys_siglist=no])])
-AC_MSG_RESULT($bash_cv_sys_siglist)
-if test $bash_cv_sys_siglist = yes; then
-AC_DEFINE(HAVE_SYS_SIGLIST)
-fi
-])
-
-dnl Check for the various permutations of sys_siglist and make sure we
-dnl compile in siglist.o if they're not defined
-AC_DEFUN(BASH_CHECK_SYS_SIGLIST, [
-AC_REQUIRE([BASH_SYS_SIGLIST])
-AC_REQUIRE([BASH_DECL_UNDER_SYS_SIGLIST])
-AC_REQUIRE([BASH_FUNC_STRSIGNAL])
-if test "$bash_cv_sys_siglist" = no && test "$bash_cv_under_sys_siglist" = no && test "$bash_cv_have_strsignal" = no; then
- SIGLIST_O=siglist.o
-else
- SIGLIST_O=
-fi
-AC_SUBST([SIGLIST_O])
-])
-
-dnl Check for sys_errlist[] and sys_nerr, check for declaration
-AC_DEFUN(BASH_SYS_ERRLIST,
-[AC_MSG_CHECKING([for sys_errlist and sys_nerr])
-AC_CACHE_VAL(bash_cv_sys_errlist,
-[AC_TRY_LINK([#include <errno.h>],
-[extern char *sys_errlist[];
- extern int sys_nerr;
- char *msg = sys_errlist[sys_nerr - 1];],
- bash_cv_sys_errlist=yes, bash_cv_sys_errlist=no)])dnl
-AC_MSG_RESULT($bash_cv_sys_errlist)
-if test $bash_cv_sys_errlist = yes; then
-AC_DEFINE(HAVE_SYS_ERRLIST)
-fi
-])
-
-dnl
-dnl Check if dup2() does not clear the close on exec flag
-dnl
-AC_DEFUN(BASH_FUNC_DUP2_CLOEXEC_CHECK,
-[AC_MSG_CHECKING(if dup2 fails to clear the close-on-exec flag)
-AC_CACHE_VAL(bash_cv_dup2_broken,
-[AC_TRY_RUN([
-#include <sys/types.h>
-#include <fcntl.h>
-main()
-{
- int fd1, fd2, fl;
- fd1 = open("/dev/null", 2);
- if (fcntl(fd1, 2, 1) < 0)
- exit(1);
- fd2 = dup2(fd1, 1);
- if (fd2 < 0)
- exit(2);
- fl = fcntl(fd2, 1, 0);
- /* fl will be 1 if dup2 did not reset the close-on-exec flag. */
- exit(fl != 1);
-}
-], bash_cv_dup2_broken=yes, bash_cv_dup2_broken=no,
- [AC_MSG_WARN(cannot check dup2 if cross compiling -- defaulting to no)
- bash_cv_dup2_broken=no])
-])
-AC_MSG_RESULT($bash_cv_dup2_broken)
-if test $bash_cv_dup2_broken = yes; then
-AC_DEFINE(DUP2_BROKEN)
-fi
-])
-
-AC_DEFUN(BASH_FUNC_STRSIGNAL,
-[AC_MSG_CHECKING([for the existence of strsignal])
-AC_CACHE_VAL(bash_cv_have_strsignal,
-[AC_TRY_LINK([#include <sys/types.h>
-#include <signal.h>],
-[char *s = (char *)strsignal(2);],
- bash_cv_have_strsignal=yes, bash_cv_have_strsignal=no)])
-AC_MSG_RESULT($bash_cv_have_strsignal)
-if test $bash_cv_have_strsignal = yes; then
-AC_DEFINE(HAVE_STRSIGNAL)
-fi
-])
-
-dnl Check to see if opendir will open non-directories (not a nice thing)
-AC_DEFUN(BASH_FUNC_OPENDIR_CHECK,
-[AC_REQUIRE([AC_HEADER_DIRENT])dnl
-AC_MSG_CHECKING(if opendir() opens non-directories)
-AC_CACHE_VAL(bash_cv_opendir_not_robust,
-[AC_TRY_RUN([
-#include <stdio.h>
-#include <sys/types.h>
-#include <fcntl.h>
-#ifdef HAVE_UNISTD_H
-# include <unistd.h>
-#endif /* HAVE_UNISTD_H */
-#if defined(HAVE_DIRENT_H)
-# include <dirent.h>
-#else
-# define dirent direct
-# ifdef HAVE_SYS_NDIR_H
-# include <sys/ndir.h>
-# endif /* SYSNDIR */
-# ifdef HAVE_SYS_DIR_H
-# include <sys/dir.h>
-# endif /* SYSDIR */
-# ifdef HAVE_NDIR_H
-# include <ndir.h>
-# endif
-#endif /* HAVE_DIRENT_H */
-main()
-{
-DIR *dir;
-int fd, err;
-err = mkdir("/tmp/bash-aclocal", 0700);
-if (err < 0) {
- perror("mkdir");
- exit(1);
-}
-unlink("/tmp/bash-aclocal/not_a_directory");
-fd = open("/tmp/bash-aclocal/not_a_directory", O_WRONLY|O_CREAT|O_EXCL, 0666);
-write(fd, "\n", 1);
-close(fd);
-dir = opendir("/tmp/bash-aclocal/not_a_directory");
-unlink("/tmp/bash-aclocal/not_a_directory");
-rmdir("/tmp/bash-aclocal");
-exit (dir == 0);
-}], bash_cv_opendir_not_robust=yes,bash_cv_opendir_not_robust=no,
- [AC_MSG_WARN(cannot check opendir if cross compiling -- defaulting to no)
- bash_cv_opendir_not_robust=no]
-)])
-AC_MSG_RESULT($bash_cv_opendir_not_robust)
-if test $bash_cv_opendir_not_robust = yes; then
-AC_DEFINE(OPENDIR_NOT_ROBUST)
-fi
-])
-
-dnl
-AC_DEFUN(BASH_TYPE_SIGHANDLER,
-[AC_MSG_CHECKING([whether signal handlers are of type void])
-AC_CACHE_VAL(bash_cv_void_sighandler,
-[AC_TRY_COMPILE([#include <sys/types.h>
-#include <signal.h>
-#ifdef signal
-#undef signal
-#endif
-#ifdef __cplusplus
-extern "C"
-#endif
-void (*signal ()) ();],
-[int i;], bash_cv_void_sighandler=yes, bash_cv_void_sighandler=no)])dnl
-AC_MSG_RESULT($bash_cv_void_sighandler)
-if test $bash_cv_void_sighandler = yes; then
-AC_DEFINE(VOID_SIGHANDLER)
-fi
-])
-
-dnl
-dnl A signed 16-bit integer quantity
-dnl
-AC_DEFUN(BASH_TYPE_BITS16_T,
-[
-if test "$ac_cv_sizeof_short" = 2; then
- AC_CHECK_TYPE(bits16_t, short)
-elif test "$ac_cv_sizeof_char" = 2; then
- AC_CHECK_TYPE(bits16_t, char)
-else
- AC_CHECK_TYPE(bits16_t, short)
-fi
-])
-
-dnl
-dnl An unsigned 16-bit integer quantity
-dnl
-AC_DEFUN(BASH_TYPE_U_BITS16_T,
-[
-if test "$ac_cv_sizeof_short" = 2; then
- AC_CHECK_TYPE(u_bits16_t, unsigned short)
-elif test "$ac_cv_sizeof_char" = 2; then
- AC_CHECK_TYPE(u_bits16_t, unsigned char)
-else
- AC_CHECK_TYPE(u_bits16_t, unsigned short)
-fi
-])
-
-dnl
-dnl A signed 32-bit integer quantity
-dnl
-AC_DEFUN(BASH_TYPE_BITS32_T,
-[
-if test "$ac_cv_sizeof_int" = 4; then
- AC_CHECK_TYPE(bits32_t, int)
-elif test "$ac_cv_sizeof_long" = 4; then
- AC_CHECK_TYPE(bits32_t, long)
-else
- AC_CHECK_TYPE(bits32_t, int)
-fi
-])
-
-dnl
-dnl An unsigned 32-bit integer quantity
-dnl
-AC_DEFUN(BASH_TYPE_U_BITS32_T,
-[
-if test "$ac_cv_sizeof_int" = 4; then
- AC_CHECK_TYPE(u_bits32_t, unsigned int)
-elif test "$ac_cv_sizeof_long" = 4; then
- AC_CHECK_TYPE(u_bits32_t, unsigned long)
-else
- AC_CHECK_TYPE(u_bits32_t, unsigned int)
-fi
-])
-
-AC_DEFUN(BASH_TYPE_PTRDIFF_T,
-[
-if test "$ac_cv_sizeof_int" = "$ac_cv_sizeof_char_p"; then
- AC_CHECK_TYPE(ptrdiff_t, int)
-elif test "$ac_cv_sizeof_long" = "$ac_cv_sizeof_char_p"; then
- AC_CHECK_TYPE(ptrdiff_t, long)
-elif test "$ac_cv_type_long_long" = yes && test "$ac_cv_sizeof_long_long" = "$ac_cv_sizeof_char_p"; then
- AC_CHECK_TYPE(ptrdiff_t, [long long])
-else
- AC_CHECK_TYPE(ptrdiff_t, int)
-fi
-])
-
-dnl
-dnl A signed 64-bit quantity
-dnl
-AC_DEFUN(BASH_TYPE_BITS64_T,
-[
-if test "$ac_cv_sizeof_char_p" = 8; then
- AC_CHECK_TYPE(bits64_t, char *)
-elif test "$ac_cv_sizeof_double" = 8; then
- AC_CHECK_TYPE(bits64_t, double)
-elif test -n "$ac_cv_type_long_long" && test "$ac_cv_sizeof_long_long" = 8; then
- AC_CHECK_TYPE(bits64_t, [long long])
-elif test "$ac_cv_sizeof_long" = 8; then
- AC_CHECK_TYPE(bits64_t, long)
-else
- AC_CHECK_TYPE(bits64_t, double)
-fi
-])
-
-AC_DEFUN(BASH_TYPE_LONG_LONG,
-[
-AC_CACHE_CHECK([for long long], bash_cv_type_long_long,
-[AC_TRY_LINK([
-long long ll = 1; int i = 63;],
-[
-long long llm = (long long) -1;
-return ll << i | ll >> i | llm / ll | llm % ll;
-], bash_cv_type_long_long='long long', bash_cv_type_long_long='long')])
-if test "$bash_cv_type_long_long" = 'long long'; then
- AC_DEFINE(HAVE_LONG_LONG, 1)
-fi
-])
-
-AC_DEFUN(BASH_TYPE_UNSIGNED_LONG_LONG,
-[
-AC_CACHE_CHECK([for unsigned long long], bash_cv_type_unsigned_long_long,
-[AC_TRY_LINK([
-unsigned long long ull = 1; int i = 63;],
-[
-unsigned long long ullmax = (unsigned long long) -1;
-return ull << i | ull >> i | ullmax / ull | ullmax % ull;
-], bash_cv_type_unsigned_long_long='unsigned long long',
- bash_cv_type_unsigned_long_long='unsigned long')])
-if test "$bash_cv_type_unsigned_long_long" = 'unsigned long long'; then
- AC_DEFINE(HAVE_UNSIGNED_LONG_LONG, 1)
-fi
-])
-
-dnl
-dnl Type of struct rlimit fields: some systems (OSF/1, NetBSD, RISC/os 5.0)
-dnl have a rlim_t, others (4.4BSD based systems) use quad_t, others use
-dnl long and still others use int (HP-UX 9.01, SunOS 4.1.3). To simplify
-dnl matters, this just checks for rlim_t, quad_t, or long.
-dnl
-AC_DEFUN(BASH_TYPE_RLIMIT,
-[AC_MSG_CHECKING(for size and type of struct rlimit fields)
-AC_CACHE_VAL(bash_cv_type_rlimit,
-[AC_TRY_COMPILE([#include <sys/types.h>
-#include <sys/resource.h>],
-[rlim_t xxx;], bash_cv_type_rlimit=rlim_t,[
-AC_TRY_RUN([
-#include <sys/types.h>
-#include <sys/time.h>
-#include <sys/resource.h>
-main()
-{
-#ifdef HAVE_QUAD_T
- struct rlimit rl;
- if (sizeof(rl.rlim_cur) == sizeof(quad_t))
- exit(0);
-#endif
- exit(1);
-}], bash_cv_type_rlimit=quad_t, bash_cv_type_rlimit=long,
- [AC_MSG_WARN(cannot check quad_t if cross compiling -- defaulting to long)
- bash_cv_type_rlimit=long])])
-])
-AC_MSG_RESULT($bash_cv_type_rlimit)
-if test $bash_cv_type_rlimit = quad_t; then
-AC_DEFINE(RLIMTYPE, quad_t)
-elif test $bash_cv_type_rlimit = rlim_t; then
-AC_DEFINE(RLIMTYPE, rlim_t)
-fi
-])
-
-AC_DEFUN(BASH_FUNC_LSTAT,
-[dnl Cannot use AC_CHECK_FUNCS(lstat) because Linux defines lstat() as an
-dnl inline function in <sys/stat.h>.
-AC_CACHE_CHECK([for lstat], bash_cv_func_lstat,
-[AC_TRY_LINK([
-#include <sys/types.h>
-#include <sys/stat.h>
-],[ lstat(".",(struct stat *)0); ],
-bash_cv_func_lstat=yes, bash_cv_func_lstat=no)])
-if test $bash_cv_func_lstat = yes; then
- AC_DEFINE(HAVE_LSTAT)
-fi
-])
-
-AC_DEFUN(BASH_FUNC_INET_ATON,
-[
-AC_CACHE_CHECK([for inet_aton], bash_cv_func_inet_aton,
-[AC_TRY_LINK([
-#include <sys/types.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-struct in_addr ap;], [ inet_aton("127.0.0.1", &ap); ],
-bash_cv_func_inet_aton=yes, bash_cv_func_inet_aton=no)])
-if test $bash_cv_func_inet_aton = yes; then
- AC_DEFINE(HAVE_INET_ATON)
-else
- AC_LIBOBJ(inet_aton)
-fi
-])
-
-AC_DEFUN(BASH_FUNC_GETENV,
-[AC_MSG_CHECKING(to see if getenv can be redefined)
-AC_CACHE_VAL(bash_cv_getenv_redef,
-[AC_TRY_RUN([
-#ifdef HAVE_UNISTD_H
-# include <unistd.h>
-#endif
-#ifndef __STDC__
-# ifndef const
-# define const
-# endif
-#endif
-char *
-getenv (name)
-#if defined (__linux__) || defined (__bsdi__) || defined (convex)
- const char *name;
-#else
- char const *name;
-#endif /* !__linux__ && !__bsdi__ && !convex */
-{
-return "42";
-}
-main()
-{
-char *s;
-/* The next allows this program to run, but does not allow bash to link
- when it redefines getenv. I'm not really interested in figuring out
- why not. */
-#if defined (NeXT)
-exit(1);
-#endif
-s = getenv("ABCDE");
-exit(s == 0); /* force optimizer to leave getenv in */
-}
-], bash_cv_getenv_redef=yes, bash_cv_getenv_redef=no,
- [AC_MSG_WARN(cannot check getenv redefinition if cross compiling -- defaulting to yes)
- bash_cv_getenv_redef=yes]
-)])
-AC_MSG_RESULT($bash_cv_getenv_redef)
-if test $bash_cv_getenv_redef = yes; then
-AC_DEFINE(CAN_REDEFINE_GETENV)
-fi
-])
-
-# We should check for putenv before calling this
-AC_DEFUN(BASH_FUNC_STD_PUTENV,
-[
-AC_REQUIRE([AC_HEADER_STDC])
-AC_REQUIRE([AC_C_PROTOTYPES])
-AC_CACHE_CHECK([for standard-conformant putenv declaration], bash_cv_std_putenv,
-[AC_TRY_LINK([
-#if STDC_HEADERS
-#include <stdlib.h>
-#include <stddef.h>
-#endif
-#ifndef __STDC__
-# ifndef const
-# define const
-# endif
-#endif
-#ifdef PROTOTYPES
-extern int putenv (char *);
-#else
-extern int putenv ();
-#endif
-],
-[return (putenv == 0);],
-bash_cv_std_putenv=yes, bash_cv_std_putenv=no
-)])
-if test $bash_cv_std_putenv = yes; then
-AC_DEFINE(HAVE_STD_PUTENV)
-fi
-])
-
-# We should check for unsetenv before calling this
-AC_DEFUN(BASH_FUNC_STD_UNSETENV,
-[
-AC_REQUIRE([AC_HEADER_STDC])
-AC_REQUIRE([AC_C_PROTOTYPES])
-AC_CACHE_CHECK([for standard-conformant unsetenv declaration], bash_cv_std_unsetenv,
-[AC_TRY_LINK([
-#if STDC_HEADERS
-#include <stdlib.h>
-#include <stddef.h>
-#endif
-#ifndef __STDC__
-# ifndef const
-# define const
-# endif
-#endif
-#ifdef PROTOTYPES
-extern int unsetenv (const char *);
-#else
-extern int unsetenv ();
-#endif
-],
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-fi
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-
-AC_DEFUN(BASH_FUNC_ULIMIT_MAXFDS,
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-[AC_TRY_RUN([
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-{
-long maxfds = ulimit(4, 0L);
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-}
-], bash_cv_ulimit_maxfds=yes, bash_cv_ulimit_maxfds=no,
- [AC_MSG_WARN(cannot check ulimit if cross compiling -- defaulting to no)
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-)])
-AC_MSG_RESULT($bash_cv_ulimit_maxfds)
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-fi
-])
-
-AC_DEFUN(BASH_FUNC_GETCWD,
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-[AC_TRY_RUN([
-#include <stdio.h>
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-
-#ifndef __STDC__
-#ifndef const
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-#endif
-#endif
-
-int popen_called;
-
-FILE *
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- const char *command;
- const char *type;
-{
- popen_called = 1;
- return (FILE *)NULL;
-}
-
-FILE *_popen(command, type)
- const char *command;
- const char *type;
-{
- return (popen (command, type));
-}
-
-int
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-FILE *stream;
-{
- return 0;
-}
-
-int
-_pclose(stream)
-FILE *stream;
-{
- return 0;
-}
-
-main()
-{
- char lbuf[32];
- popen_called = 0;
- getcwd(lbuf, 32);
- exit (popen_called);
-}
-], bash_cv_getcwd_calls_popen=no, bash_cv_getcwd_calls_popen=yes,
- [AC_MSG_WARN(cannot check whether getcwd calls popen if cross compiling -- defaulting to no)
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-)])
-AC_MSG_RESULT($bash_cv_getcwd_calls_popen)
-if test $bash_cv_getcwd_calls_popen = yes; then
-AC_DEFINE(GETCWD_BROKEN)
-AC_LIBOBJ(getcwd)
-fi
-])
-
-dnl
-dnl This needs BASH_CHECK_SOCKLIB, but since that's not called on every
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-dnl
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-fi
-AC_CACHE_VAL(bash_cv_have_gethostbyname,
-[AC_TRY_LINK([#include <netdb.h>],
-[ struct hostent *hp;
- hp = gethostbyname("localhost");
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-)
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-fi
-AC_MSG_RESULT($bash_cv_have_gethostbyname)
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-[AC_TRY_RUN([
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-
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-{
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-#else
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-#endif
-}
-], bash_cv_fnm_extmatch=yes, bash_cv_fnm_extmatch=no,
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-])
-AC_MSG_RESULT($bash_cv_fnm_extmatch)
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-fi
-])
-
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-AC_CACHE_VAL(bash_cv_func_sigsetjmp,
-[AC_TRY_RUN([
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#include <sys/types.h>
-#include <signal.h>
-#include <setjmp.h>
-
-main()
-{
-#if !defined (_POSIX_VERSION) || !defined (HAVE_POSIX_SIGNALS)
-exit (1);
-#else
-
-int code;
-sigset_t set, oset;
-sigjmp_buf xx;
-
-/* get the mask */
-sigemptyset(&set);
-sigemptyset(&oset);
-sigprocmask(SIG_BLOCK, (sigset_t *)NULL, &set);
-sigprocmask(SIG_BLOCK, (sigset_t *)NULL, &oset);
-
-/* save it */
-code = sigsetjmp(xx, 1);
-if (code)
- exit(0); /* could get sigmask and compare to oset here. */
-
-/* change it */
-sigaddset(&set, SIGINT);
-sigprocmask(SIG_BLOCK, &set, (sigset_t *)NULL);
-
-/* and siglongjmp */
-siglongjmp(xx, 10);
-exit(1);
-#endif
-}], bash_cv_func_sigsetjmp=present, bash_cv_func_sigsetjmp=missing,
- [AC_MSG_WARN(cannot check for sigsetjmp/siglongjmp if cross-compiling -- defaulting to missing)
- bash_cv_func_sigsetjmp=missing]
-)])
-AC_MSG_RESULT($bash_cv_func_sigsetjmp)
-if test $bash_cv_func_sigsetjmp = present; then
-AC_DEFINE(HAVE_POSIX_SIGSETJMP)
-fi
-])
-
-AC_DEFUN(BASH_FUNC_STRCOLL,
-[
-AC_MSG_CHECKING(whether or not strcoll and strcmp differ)
-AC_CACHE_VAL(bash_cv_func_strcoll_broken,
-[AC_TRY_RUN([
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-#if defined (HAVE_LOCALE_H)
-#include <locale.h>
-#endif
-
-main(c, v)
-int c;
-char *v[];
-{
- int r1, r2;
- char *deflocale, *defcoll;
-
-#ifdef HAVE_SETLOCALE
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- defcoll = setlocale(LC_COLLATE, "");
-#endif
-
-#ifdef HAVE_STRCOLL
- /* These two values are taken from tests/glob-test. */
- r1 = strcoll("abd", "aXd");
-#else
- r1 = 0;
-#endif
- r2 = strcmp("abd", "aXd");
-
- /* These two should both be greater than 0. It is permissible for
- a system to return different values, as long as the sign is the
- same. */
-
- /* Exit with 1 (failure) if these two values are both > 0, since
- this tests whether strcoll(3) is broken with respect to strcmp(3)
- in the default locale. */
- exit (r1 > 0 && r2 > 0);
-}
-], bash_cv_func_strcoll_broken=yes, bash_cv_func_strcoll_broken=no,
- [AC_MSG_WARN(cannot check strcoll if cross compiling -- defaulting to no)
- bash_cv_func_strcoll_broken=no]
-)])
-AC_MSG_RESULT($bash_cv_func_strcoll_broken)
-if test $bash_cv_func_strcoll_broken = yes; then
-AC_DEFINE(STRCOLL_BROKEN)
-fi
-])
-
-AC_DEFUN(BASH_FUNC_PRINTF_A_FORMAT,
-[AC_MSG_CHECKING([for printf floating point output in hex notation])
-AC_CACHE_VAL(bash_cv_printf_a_format,
-[AC_TRY_RUN([
-#include <stdio.h>
-#include <string.h>
-
-int
-main()
-{
- double y = 0.0;
- char abuf[1024];
-
- sprintf(abuf, "%A", y);
- exit(strchr(abuf, 'P') == (char *)0);
-}
-], bash_cv_printf_a_format=yes, bash_cv_printf_a_format=no,
- [AC_MSG_WARN(cannot check printf if cross compiling -- defaulting to no)
- bash_cv_printf_a_format=no]
-)])
-AC_MSG_RESULT($bash_cv_printf_a_format)
-if test $bash_cv_printf_a_format = yes; then
-AC_DEFINE(HAVE_PRINTF_A_FORMAT)
-fi
-])
-
-AC_DEFUN(BASH_STRUCT_TERMIOS_LDISC,
-[
-AC_CHECK_MEMBER(struct termios.c_line, AC_DEFINE(TERMIOS_LDISC), ,[
-#include <sys/types.h>
-#include <termios.h>
-])
-])
-
-AC_DEFUN(BASH_STRUCT_TERMIO_LDISC,
-[
-AC_CHECK_MEMBER(struct termio.c_line, AC_DEFINE(TERMIO_LDISC), ,[
-#include <sys/types.h>
-#include <termio.h>
-])
-])
-
-dnl
-dnl Like AC_STRUCT_ST_BLOCKS, but doesn't muck with LIBOBJS
-dnl
-dnl sets bash_cv_struct_stat_st_blocks
-dnl
-dnl unused for now; we'll see how AC_CHECK_MEMBERS works
-dnl
-AC_DEFUN(BASH_STRUCT_ST_BLOCKS,
-[
-AC_MSG_CHECKING([for struct stat.st_blocks])
-AC_CACHE_VAL(bash_cv_struct_stat_st_blocks,
-[AC_TRY_COMPILE(
-[
-#include <sys/types.h>
-#include <sys/stat.h>
-],
-[
-main()
-{
-static struct stat a;
-if (a.st_blocks) return 0;
-return 0;
-}
-], bash_cv_struct_stat_st_blocks=yes, bash_cv_struct_stat_st_blocks=no)
-])
-AC_MSG_RESULT($bash_cv_struct_stat_st_blocks)
-if test "$bash_cv_struct_stat_st_blocks" = "yes"; then
-AC_DEFINE(HAVE_STRUCT_STAT_ST_BLOCKS)
-fi
-])
-
-AC_DEFUN(BASH_CHECK_LIB_TERMCAP,
-[
-if test "X$bash_cv_termcap_lib" = "X"; then
-_bash_needmsg=yes
+# generated automatically by aclocal 1.15.1 -*- Autoconf -*-
+
+# Copyright (C) 1996-2017 Free Software Foundation, Inc.
+
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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+
+# Copyright (C) 2002-2017 Free Software Foundation, Inc.
+#
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+m4_ifval([$2],
+[AC_DIAGNOSE([obsolete],
+ [$0: two- and three-arguments forms are deprecated.])
+m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl
+ AC_SUBST([PACKAGE], [$1])dnl
+ AC_SUBST([VERSION], [$2])],
+[_AM_SET_OPTIONS([$1])dnl
+dnl Diagnose old-style AC_INIT with new-style AM_AUTOMAKE_INIT.
+m4_if(
+ m4_ifdef([AC_PACKAGE_NAME], [ok]):m4_ifdef([AC_PACKAGE_VERSION], [ok]),
+ [ok:ok],,
+ [m4_fatal([AC_INIT should be called with package and version arguments])])dnl
+ AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl
+ AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl
+
+_AM_IF_OPTION([no-define],,
+[AC_DEFINE_UNQUOTED([PACKAGE], ["$PACKAGE"], [Name of package])
+ AC_DEFINE_UNQUOTED([VERSION], ["$VERSION"], [Version number of package])])dnl
+
+# Some tools Automake needs.
+AC_REQUIRE([AM_SANITY_CHECK])dnl
+AC_REQUIRE([AC_ARG_PROGRAM])dnl
+AM_MISSING_PROG([ACLOCAL], [aclocal-${am__api_version}])
+AM_MISSING_PROG([AUTOCONF], [autoconf])
+AM_MISSING_PROG([AUTOMAKE], [automake-${am__api_version}])
+AM_MISSING_PROG([AUTOHEADER], [autoheader])
+AM_MISSING_PROG([MAKEINFO], [makeinfo])
+AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
+AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
+AC_REQUIRE([AC_PROG_MKDIR_P])dnl
+# For better backward compatibility. To be removed once Automake 1.9.x
+# dies out for good. For more background, see:
+# <http://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
+# <http://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
+AC_SUBST([mkdir_p], ['$(MKDIR_P)'])
+# We need awk for the "check" target (and possibly the TAP driver). The
+# system "awk" is bad on some platforms.
+AC_REQUIRE([AC_PROG_AWK])dnl
+AC_REQUIRE([AC_PROG_MAKE_SET])dnl
+AC_REQUIRE([AM_SET_LEADING_DOT])dnl
+_AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
+ [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],
+ [_AM_PROG_TAR([v7])])])
+_AM_IF_OPTION([no-dependencies],,
+[AC_PROVIDE_IFELSE([AC_PROG_CC],
+ [_AM_DEPENDENCIES([CC])],
+ [m4_define([AC_PROG_CC],
+ m4_defn([AC_PROG_CC])[_AM_DEPENDENCIES([CC])])])dnl
+AC_PROVIDE_IFELSE([AC_PROG_CXX],
+ [_AM_DEPENDENCIES([CXX])],
+ [m4_define([AC_PROG_CXX],
+ m4_defn([AC_PROG_CXX])[_AM_DEPENDENCIES([CXX])])])dnl
+AC_PROVIDE_IFELSE([AC_PROG_OBJC],
+ [_AM_DEPENDENCIES([OBJC])],
+ [m4_define([AC_PROG_OBJC],
+ m4_defn([AC_PROG_OBJC])[_AM_DEPENDENCIES([OBJC])])])dnl
+AC_PROVIDE_IFELSE([AC_PROG_OBJCXX],
+ [_AM_DEPENDENCIES([OBJCXX])],
+ [m4_define([AC_PROG_OBJCXX],
+ m4_defn([AC_PROG_OBJCXX])[_AM_DEPENDENCIES([OBJCXX])])])dnl
+])
+AC_REQUIRE([AM_SILENT_RULES])dnl
+dnl The testsuite driver may need to know about EXEEXT, so add the
+dnl 'am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen. This
+dnl macro is hooked onto _AC_COMPILER_EXEEXT early, see below.
+AC_CONFIG_COMMANDS_PRE(dnl
+[m4_provide_if([_AM_COMPILER_EXEEXT],
+ [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl
+
+# POSIX will say in a future version that running "rm -f" with no argument
+# is OK; and we want to be able to make that assumption in our Makefile
+# recipes. So use an aggressive probe to check that the usage we want is
+# actually supported "in the wild" to an acceptable degree.
+# See automake bug#10828.
+# To make any issue more visible, cause the running configure to be aborted
+# by default if the 'rm' program in use doesn't match our expectations; the
+# user can still override this though.
+if rm -f && rm -fr && rm -rf; then : OK; else
+ cat >&2 <<'END'
+Oops!
+
+Your 'rm' program seems unable to run without file operands specified
+on the command line, even when the '-f' option is present. This is contrary
+to the behaviour of most rm programs out there, and not conforming with
+the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542>
+
+Please tell bug-automake@gnu.org about your system, including the value
+of your $PATH and any error possibly output before this message. This
+can help us improve future automake versions.
+
+END
+ if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then
+ echo 'Configuration will proceed anyway, since you have set the' >&2
+ echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2
+ echo >&2
+ else
+ cat >&2 <<'END'
+Aborting the configuration process, to ensure you take notice of the issue.
-AC_DEFUN(BASH_STRUCT_DIRENT_D_FILENO,
-[AC_REQUIRE([AC_HEADER_DIRENT])
-AC_MSG_CHECKING(if struct dirent has a d_fileno member)
-AC_CACHE_VAL(bash_cv_dirent_has_d_fileno,
-[AC_TRY_COMPILE([
-#include <stdio.h>
-#include <sys/types.h>
-#ifdef HAVE_UNISTD_H
-# include <unistd.h>
-#endif /* HAVE_UNISTD_H */
-#if defined(HAVE_DIRENT_H)
-# include <dirent.h>
-#else
-# define dirent direct
-# ifdef HAVE_SYS_NDIR_H
-# include <sys/ndir.h>
-# endif /* SYSNDIR */
-# ifdef HAVE_SYS_DIR_H
-# include <sys/dir.h>
-# endif /* SYSDIR */
-# ifdef HAVE_NDIR_H
-# include <ndir.h>
-# endif
-#endif /* HAVE_DIRENT_H */
-],[
-struct dirent d; int z; z = d.d_fileno;
-], bash_cv_dirent_has_d_fileno=yes, bash_cv_dirent_has_d_fileno=no)])
-AC_MSG_RESULT($bash_cv_dirent_has_d_fileno)
-if test $bash_cv_dirent_has_d_fileno = yes; then
-AC_DEFINE(STRUCT_DIRENT_HAS_D_FILENO)
-fi
-])
+You can download and install GNU coreutils to get an 'rm' implementation
+that behaves properly: <http://www.gnu.org/software/coreutils/>.
-AC_DEFUN(BASH_STRUCT_TIMEVAL,
-[AC_MSG_CHECKING(for struct timeval in sys/time.h and time.h)
-AC_CACHE_VAL(bash_cv_struct_timeval,
-[
-AC_EGREP_HEADER(struct timeval, sys/time.h,
- bash_cv_struct_timeval=yes,
- AC_EGREP_HEADER(struct timeval, time.h,
- bash_cv_struct_timeval=yes,
- bash_cv_struct_timeval=no))
-])
-AC_MSG_RESULT($bash_cv_struct_timeval)
-if test $bash_cv_struct_timeval = yes; then
- AC_DEFINE(HAVE_TIMEVAL)
-fi
-])
+If you want to complete the configuration process using your problematic
+'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
+to "yes", and re-run configure.
-AC_DEFUN(BASH_STRUCT_WINSIZE,
-[AC_MSG_CHECKING(for struct winsize in sys/ioctl.h and termios.h)
-AC_CACHE_VAL(bash_cv_struct_winsize_header,
-[AC_TRY_COMPILE([#include <sys/types.h>
-#include <sys/ioctl.h>], [struct winsize x;],
- bash_cv_struct_winsize_header=ioctl_h,
- [AC_TRY_COMPILE([#include <sys/types.h>
-#include <termios.h>], [struct winsize x;],
- bash_cv_struct_winsize_header=termios_h, bash_cv_struct_winsize_header=other)
-])])
-if test $bash_cv_struct_winsize_header = ioctl_h; then
- AC_MSG_RESULT(sys/ioctl.h)
- AC_DEFINE(STRUCT_WINSIZE_IN_SYS_IOCTL)
-elif test $bash_cv_struct_winsize_header = termios_h; then
- AC_MSG_RESULT(termios.h)
- AC_DEFINE(STRUCT_WINSIZE_IN_TERMIOS)
-else
- AC_MSG_RESULT(not found)
+END
+ AC_MSG_ERROR([Your 'rm' program is bad, sorry.])
+ fi
fi
-])
-
-dnl Check type of signal routines (posix, 4.2bsd, 4.1bsd or v7)
-AC_DEFUN(BASH_SYS_SIGNAL_VINTAGE,
-[AC_REQUIRE([AC_TYPE_SIGNAL])
-AC_MSG_CHECKING(for type of signal functions)
-AC_CACHE_VAL(bash_cv_signal_vintage,
-[
- AC_TRY_LINK([#include <signal.h>],[
- sigset_t ss;
- struct sigaction sa;
- sigemptyset(&ss); sigsuspend(&ss);
- sigaction(SIGINT, &sa, (struct sigaction *) 0);
- sigprocmask(SIG_BLOCK, &ss, (sigset_t *) 0);
- ], bash_cv_signal_vintage=posix,
- [
- AC_TRY_LINK([#include <signal.h>], [
- int mask = sigmask(SIGINT);
- sigsetmask(mask); sigblock(mask); sigpause(mask);
- ], bash_cv_signal_vintage=4.2bsd,
- [
- AC_TRY_LINK([
- #include <signal.h>
- RETSIGTYPE foo() { }], [
- int mask = sigmask(SIGINT);
- sigset(SIGINT, foo); sigrelse(SIGINT);
- sighold(SIGINT); sigpause(SIGINT);
- ], bash_cv_signal_vintage=svr3, bash_cv_signal_vintage=v7
- )]
- )]
+dnl The trailing newline in this macro's definition is deliberate, for
+dnl backward compatibility and to allow trailing 'dnl'-style comments
+dnl after the AM_INIT_AUTOMAKE invocation. See automake bug#16841.
+])
+
+dnl Hook into '_AC_COMPILER_EXEEXT' early to learn its expansion. Do not
+dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further
+dnl mangled by Autoconf and run in a shell conditional statement.
+m4_define([_AC_COMPILER_EXEEXT],
+m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])])
+
+# When config.status generates a header, we must update the stamp-h file.
+# This file resides in the same directory as the config header
+# that is generated. The stamp files are numbered to have different names.
+
+# Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
+# loop where config.status creates the headers, so we can generate
+# our stamp files there.
+AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
+[# Compute $1's index in $config_headers.
+_am_arg=$1
+_am_stamp_count=1
+for _am_header in $config_headers :; do
+ case $_am_header in
+ $_am_arg | $_am_arg:* )
+ break ;;
+ * )
+ _am_stamp_count=`expr $_am_stamp_count + 1` ;;
+ esac
+done
+echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
+
+# Copyright (C) 2001-2017 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_PROG_INSTALL_SH
+# ------------------
+# Define $install_sh.
+AC_DEFUN([AM_PROG_INSTALL_SH],
+[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
+if test x"${install_sh+set}" != xset; then
+ case $am_aux_dir in
+ *\ * | *\ *)
+ install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
+ *)
+ install_sh="\${SHELL} $am_aux_dir/install-sh"
+ esac
+fi
+AC_SUBST([install_sh])])
+
+# Add --enable-maintainer-mode option to configure. -*- Autoconf -*-
+# From Jim Meyering
+
+# Copyright (C) 1996-2017 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_MAINTAINER_MODE([DEFAULT-MODE])
+# ----------------------------------
+# Control maintainer-specific portions of Makefiles.
+# Default is to disable them, unless 'enable' is passed literally.
+# For symmetry, 'disable' may be passed as well. Anyway, the user
+# can override the default with the --enable/--disable switch.
+AC_DEFUN([AM_MAINTAINER_MODE],
+[m4_case(m4_default([$1], [disable]),
+ [enable], [m4_define([am_maintainer_other], [disable])],
+ [disable], [m4_define([am_maintainer_other], [enable])],
+ [m4_define([am_maintainer_other], [enable])
+ m4_warn([syntax], [unexpected argument to AM@&t@_MAINTAINER_MODE: $1])])
+AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
+ dnl maintainer-mode's default is 'disable' unless 'enable' is passed
+ AC_ARG_ENABLE([maintainer-mode],
+ [AS_HELP_STRING([--]am_maintainer_other[-maintainer-mode],
+ am_maintainer_other[ make rules and dependencies not useful
+ (and sometimes confusing) to the casual installer])],
+ [USE_MAINTAINER_MODE=$enableval],
+ [USE_MAINTAINER_MODE=]m4_if(am_maintainer_other, [enable], [no], [yes]))
+ AC_MSG_RESULT([$USE_MAINTAINER_MODE])
+ AM_CONDITIONAL([MAINTAINER_MODE], [test $USE_MAINTAINER_MODE = yes])
+ MAINT=$MAINTAINER_MODE_TRUE
+ AC_SUBST([MAINT])dnl
+]
)
-])
-AC_MSG_RESULT($bash_cv_signal_vintage)
-if test "$bash_cv_signal_vintage" = posix; then
-AC_DEFINE(HAVE_POSIX_SIGNALS)
-elif test "$bash_cv_signal_vintage" = "4.2bsd"; then
-AC_DEFINE(HAVE_BSD_SIGNALS)
-elif test "$bash_cv_signal_vintage" = svr3; then
-AC_DEFINE(HAVE_USG_SIGHOLD)
-fi
-])
-
-dnl Check if the pgrp of setpgrp() can't be the pid of a zombie process.
-AC_DEFUN(BASH_SYS_PGRP_SYNC,
-[AC_REQUIRE([AC_FUNC_GETPGRP])
-AC_MSG_CHECKING(whether pgrps need synchronization)
-AC_CACHE_VAL(bash_cv_pgrp_pipe,
-[AC_TRY_RUN([
-#ifdef HAVE_UNISTD_H
-# include <unistd.h>
-#endif
-main()
-{
-# ifdef GETPGRP_VOID
-# define getpgID() getpgrp()
-# else
-# define getpgID() getpgrp(0)
-# define setpgid(x,y) setpgrp(x,y)
-# endif
- int pid1, pid2, fds[2];
- int status;
- char ok;
-
- switch (pid1 = fork()) {
- case -1:
- exit(1);
- case 0:
- setpgid(0, getpid());
- exit(0);
- }
- setpgid(pid1, pid1);
-
- sleep(2); /* let first child die */
-
- if (pipe(fds) < 0)
- exit(2);
-
- switch (pid2 = fork()) {
- case -1:
- exit(3);
- case 0:
- setpgid(0, pid1);
- ok = getpgID() == pid1;
- write(fds[1], &ok, 1);
- exit(0);
- }
- setpgid(pid2, pid1);
-
- close(fds[1]);
- if (read(fds[0], &ok, 1) != 1)
- exit(4);
- wait(&status);
- wait(&status);
- exit(ok ? 0 : 5);
-}
-], bash_cv_pgrp_pipe=no,bash_cv_pgrp_pipe=yes,
- [AC_MSG_WARN(cannot check pgrp synchronization if cross compiling -- defaulting to no)
- bash_cv_pgrp_pipe=no])
-])
-AC_MSG_RESULT($bash_cv_pgrp_pipe)
-if test $bash_cv_pgrp_pipe = yes; then
-AC_DEFINE(PGRP_PIPE)
-fi
-])
-
-AC_DEFUN(BASH_SYS_REINSTALL_SIGHANDLERS,
-[AC_REQUIRE([AC_TYPE_SIGNAL])
-AC_REQUIRE([BASH_SYS_SIGNAL_VINTAGE])
-AC_MSG_CHECKING([if signal handlers must be reinstalled when invoked])
-AC_CACHE_VAL(bash_cv_must_reinstall_sighandlers,
-[AC_TRY_RUN([
-#include <signal.h>
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-
-typedef RETSIGTYPE sigfunc();
-
-int nsigint;
-
-#ifdef HAVE_POSIX_SIGNALS
-sigfunc *
-set_signal_handler(sig, handler)
- int sig;
- sigfunc *handler;
-{
- struct sigaction act, oact;
- act.sa_handler = handler;
- act.sa_flags = 0;
- sigemptyset (&act.sa_mask);
- sigemptyset (&oact.sa_mask);
- sigaction (sig, &act, &oact);
- return (oact.sa_handler);
-}
-#else
-#define set_signal_handler(s, h) signal(s, h)
-#endif
-
-RETSIGTYPE
-sigint(s)
-int s;
-{
- nsigint++;
-}
-
-main()
-{
- nsigint = 0;
- set_signal_handler(SIGINT, sigint);
- kill((int)getpid(), SIGINT);
- kill((int)getpid(), SIGINT);
- exit(nsigint != 2);
-}
-], bash_cv_must_reinstall_sighandlers=no, bash_cv_must_reinstall_sighandlers=yes,
- [AC_MSG_WARN(cannot check signal handling if cross compiling -- defaulting to no)
- bash_cv_must_reinstall_sighandlers=no]
-)])
-AC_MSG_RESULT($bash_cv_must_reinstall_sighandlers)
-if test $bash_cv_must_reinstall_sighandlers = yes; then
-AC_DEFINE(MUST_REINSTALL_SIGHANDLERS)
-fi
-])
-
-dnl check that some necessary job control definitions are present
-AC_DEFUN(BASH_SYS_JOB_CONTROL_MISSING,
-[AC_REQUIRE([BASH_SYS_SIGNAL_VINTAGE])
-AC_MSG_CHECKING(for presence of necessary job control definitions)
-AC_CACHE_VAL(bash_cv_job_control_missing,
-[AC_TRY_RUN([
-#include <sys/types.h>
-#ifdef HAVE_SYS_WAIT_H
-#include <sys/wait.h>
-#endif
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#include <signal.h>
-
-/* Add more tests in here as appropriate. */
-main()
-{
-/* signal type */
-#if !defined (HAVE_POSIX_SIGNALS) && !defined (HAVE_BSD_SIGNALS)
-exit(1);
-#endif
-
-/* signals and tty control. */
-#if !defined (SIGTSTP) || !defined (SIGSTOP) || !defined (SIGCONT)
-exit (1);
-#endif
-
-/* process control */
-#if !defined (WNOHANG) || !defined (WUNTRACED)
-exit(1);
-#endif
-
-/* Posix systems have tcgetpgrp and waitpid. */
-#if defined (_POSIX_VERSION) && !defined (HAVE_TCGETPGRP)
-exit(1);
-#endif
-
-#if defined (_POSIX_VERSION) && !defined (HAVE_WAITPID)
-exit(1);
-#endif
-
-/* Other systems have TIOCSPGRP/TIOCGPRGP and wait3. */
-#if !defined (_POSIX_VERSION) && !defined (HAVE_WAIT3)
-exit(1);
-#endif
-
-exit(0);
-}], bash_cv_job_control_missing=present, bash_cv_job_control_missing=missing,
- [AC_MSG_WARN(cannot check job control if cross-compiling -- defaulting to missing)
- bash_cv_job_control_missing=missing]
-)])
-AC_MSG_RESULT($bash_cv_job_control_missing)
-if test $bash_cv_job_control_missing = missing; then
-AC_DEFINE(JOB_CONTROL_MISSING)
-fi
-])
-
-dnl check whether named pipes are present
-dnl this requires a previous check for mkfifo, but that is awkward to specify
-AC_DEFUN(BASH_SYS_NAMED_PIPES,
-[AC_MSG_CHECKING(for presence of named pipes)
-AC_CACHE_VAL(bash_cv_sys_named_pipes,
-[AC_TRY_RUN([
-#include <sys/types.h>
-#include <sys/stat.h>
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-
-/* Add more tests in here as appropriate. */
-main()
-{
-int fd, err;
-
-#if defined (HAVE_MKFIFO)
-exit (0);
-#endif
-
-#if !defined (S_IFIFO) && (defined (_POSIX_VERSION) && !defined (S_ISFIFO))
-exit (1);
-#endif
-
-#if defined (NeXT)
-exit (1);
-#endif
-err = mkdir("/tmp/bash-aclocal", 0700);
-if (err < 0) {
- perror ("mkdir");
- exit(1);
-}
-fd = mknod ("/tmp/bash-aclocal/sh-np-autoconf", 0666 | S_IFIFO, 0);
-if (fd == -1) {
- rmdir ("/tmp/bash-aclocal");
- exit (1);
-}
-close(fd);
-unlink ("/tmp/bash-aclocal/sh-np-autoconf");
-rmdir ("/tmp/bash-aclocal");
-exit(0);
-}], bash_cv_sys_named_pipes=present, bash_cv_sys_named_pipes=missing,
- [AC_MSG_WARN(cannot check for named pipes if cross-compiling -- defaulting to missing)
- bash_cv_sys_named_pipes=missing]
-)])
-AC_MSG_RESULT($bash_cv_sys_named_pipes)
-if test $bash_cv_sys_named_pipes = missing; then
-AC_DEFINE(NAMED_PIPES_MISSING)
-fi
-])
-AC_DEFUN(BASH_SYS_DEFAULT_MAIL_DIR,
-[AC_MSG_CHECKING(for default mail directory)
-AC_CACHE_VAL(bash_cv_mail_dir,
-[if test -d /var/mail; then
- bash_cv_mail_dir=/var/mail
- elif test -d /var/spool/mail; then
- bash_cv_mail_dir=/var/spool/mail
- elif test -d /usr/mail; then
- bash_cv_mail_dir=/usr/mail
- elif test -d /usr/spool/mail; then
- bash_cv_mail_dir=/usr/spool/mail
- else
- bash_cv_mail_dir=unknown
- fi
-])
-AC_MSG_RESULT($bash_cv_mail_dir)
-AC_DEFINE_UNQUOTED(DEFAULT_MAIL_DIRECTORY, "$bash_cv_mail_dir")
-])
-
-AC_DEFUN(BASH_HAVE_TIOCGWINSZ,
-[AC_MSG_CHECKING(for TIOCGWINSZ in sys/ioctl.h)
-AC_CACHE_VAL(bash_cv_tiocgwinsz_in_ioctl,
-[AC_TRY_COMPILE([#include <sys/types.h>
-#include <sys/ioctl.h>], [int x = TIOCGWINSZ;],
- bash_cv_tiocgwinsz_in_ioctl=yes,bash_cv_tiocgwinsz_in_ioctl=no)])
-AC_MSG_RESULT($bash_cv_tiocgwinsz_in_ioctl)
-if test $bash_cv_tiocgwinsz_in_ioctl = yes; then
-AC_DEFINE(GWINSZ_IN_SYS_IOCTL)
-fi
-])
-
-AC_DEFUN(BASH_HAVE_TIOCSTAT,
-[AC_MSG_CHECKING(for TIOCSTAT in sys/ioctl.h)
-AC_CACHE_VAL(bash_cv_tiocstat_in_ioctl,
-[AC_TRY_COMPILE([#include <sys/types.h>
-#include <sys/ioctl.h>], [int x = TIOCSTAT;],
- bash_cv_tiocstat_in_ioctl=yes,bash_cv_tiocstat_in_ioctl=no)])
-AC_MSG_RESULT($bash_cv_tiocstat_in_ioctl)
-if test $bash_cv_tiocstat_in_ioctl = yes; then
-AC_DEFINE(TIOCSTAT_IN_SYS_IOCTL)
-fi
-])
-
-AC_DEFUN(BASH_HAVE_FIONREAD,
-[AC_MSG_CHECKING(for FIONREAD in sys/ioctl.h)
-AC_CACHE_VAL(bash_cv_fionread_in_ioctl,
-[AC_TRY_COMPILE([#include <sys/types.h>
-#include <sys/ioctl.h>], [int x = FIONREAD;],
- bash_cv_fionread_in_ioctl=yes,bash_cv_fionread_in_ioctl=no)])
-AC_MSG_RESULT($bash_cv_fionread_in_ioctl)
-if test $bash_cv_fionread_in_ioctl = yes; then
-AC_DEFINE(FIONREAD_IN_SYS_IOCTL)
-fi
-])
-
-dnl
-dnl See if speed_t is declared in <sys/types.h>. Some versions of linux
-dnl require a definition of speed_t each time <termcap.h> is included,
-dnl but you can only get speed_t if you include <termios.h> (on some
-dnl versions) or <sys/types.h> (on others).
-dnl
-AC_DEFUN(BASH_CHECK_SPEED_T,
-[AC_MSG_CHECKING(for speed_t in sys/types.h)
-AC_CACHE_VAL(bash_cv_speed_t_in_sys_types,
-[AC_TRY_COMPILE([#include <sys/types.h>], [speed_t x;],
- bash_cv_speed_t_in_sys_types=yes,bash_cv_speed_t_in_sys_types=no)])
-AC_MSG_RESULT($bash_cv_speed_t_in_sys_types)
-if test $bash_cv_speed_t_in_sys_types = yes; then
-AC_DEFINE(SPEED_T_IN_SYS_TYPES)
-fi
-])
-
-AC_DEFUN(BASH_CHECK_GETPW_FUNCS,
-[AC_MSG_CHECKING(whether getpw functions are declared in pwd.h)
-AC_CACHE_VAL(bash_cv_getpw_declared,
-[AC_EGREP_CPP(getpwuid,
-[
-#include <sys/types.h>
-#ifdef HAVE_UNISTD_H
-# include <unistd.h>
-#endif
-#include <pwd.h>
-],
-bash_cv_getpw_declared=yes,bash_cv_getpw_declared=no)])
-AC_MSG_RESULT($bash_cv_getpw_declared)
-if test $bash_cv_getpw_declared = yes; then
-AC_DEFINE(HAVE_GETPW_DECLS)
-fi
-])
-
-AC_DEFUN(BASH_CHECK_DEV_FD,
-[AC_MSG_CHECKING(whether /dev/fd is available)
-AC_CACHE_VAL(bash_cv_dev_fd,
-[if test -d /dev/fd && test -r /dev/fd/0; then
- bash_cv_dev_fd=standard
- elif test -d /proc/self/fd && test -r /proc/self/fd/0; then
- bash_cv_dev_fd=whacky
- else
- bash_cv_dev_fd=absent
- fi
-])
-AC_MSG_RESULT($bash_cv_dev_fd)
-if test $bash_cv_dev_fd = "standard"; then
- AC_DEFINE(HAVE_DEV_FD)
- AC_DEFINE(DEV_FD_PREFIX, "/dev/fd/")
-elif test $bash_cv_dev_fd = "whacky"; then
- AC_DEFINE(HAVE_DEV_FD)
- AC_DEFINE(DEV_FD_PREFIX, "/proc/self/fd/")
-fi
-])
-
-AC_DEFUN(BASH_CHECK_DEV_STDIN,
-[AC_MSG_CHECKING(whether /dev/stdin stdout stderr are available)
-AC_CACHE_VAL(bash_cv_dev_stdin,
-[if test -d /dev/fd && test -r /dev/stdin; then
- bash_cv_dev_stdin=present
- elif test -d /proc/self/fd && test -r /dev/stdin; then
- bash_cv_dev_stdin=present
- else
- bash_cv_dev_stdin=absent
- fi
-])
-AC_MSG_RESULT($bash_cv_dev_stdin)
-if test $bash_cv_dev_stdin = "present"; then
- AC_DEFINE(HAVE_DEV_STDIN)
-fi
-])
-
-dnl
-dnl Check if HPUX needs _KERNEL defined for RLIMIT_* definitions
-dnl
-AC_DEFUN(BASH_CHECK_KERNEL_RLIMIT,
-[AC_MSG_CHECKING([whether $host_os needs _KERNEL for RLIMIT defines])
-AC_CACHE_VAL(bash_cv_kernel_rlimit,
-[AC_TRY_COMPILE([
-#include <sys/types.h>
-#include <sys/resource.h>
-],
-[
- int f;
- f = RLIMIT_DATA;
-], bash_cv_kernel_rlimit=no,
-[AC_TRY_COMPILE([
-#include <sys/types.h>
-#define _KERNEL
-#include <sys/resource.h>
-#undef _KERNEL
-],
-[
- int f;
- f = RLIMIT_DATA;
-], bash_cv_kernel_rlimit=yes, bash_cv_kernel_rlimit=no)]
-)])
-AC_MSG_RESULT($bash_cv_kernel_rlimit)
-if test $bash_cv_kernel_rlimit = yes; then
-AC_DEFINE(RLIMIT_NEEDS_KERNEL)
-fi
-])
-
-dnl
-dnl Check for 64-bit off_t -- used for malloc alignment
-dnl
-dnl C does not allow duplicate case labels, so the compile will fail if
-dnl sizeof(off_t) is > 4.
-dnl
-AC_DEFUN(BASH_CHECK_OFF_T_64,
-[AC_CACHE_CHECK(for 64-bit off_t, bash_cv_off_t_64,
-AC_TRY_COMPILE([
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#include <sys/types.h>
-],[
-switch (0) case 0: case (sizeof (off_t) <= 4):;
-], bash_cv_off_t_64=no, bash_cv_off_t_64=yes))
-if test $bash_cv_off_t_64 = yes; then
- AC_DEFINE(HAVE_OFF_T_64)
-fi])
-
-AC_DEFUN(BASH_CHECK_RTSIGS,
-[AC_MSG_CHECKING(for unusable real-time signals due to large values)
-AC_CACHE_VAL(bash_cv_unusable_rtsigs,
-[AC_TRY_RUN([
-#include <sys/types.h>
-#include <signal.h>
-
-#ifndef NSIG
-# define NSIG 64
-#endif
-
-main ()
-{
- int n_sigs = 2 * NSIG;
-#ifdef SIGRTMIN
- int rtmin = SIGRTMIN;
-#else
- int rtmin = 0;
-#endif
-
- exit(rtmin < n_sigs);
-}], bash_cv_unusable_rtsigs=yes, bash_cv_unusable_rtsigs=no,
- [AC_MSG_WARN(cannot check real-time signals if cross compiling -- defaulting to yes)
- bash_cv_unusable_rtsigs=yes]
-)])
-AC_MSG_RESULT($bash_cv_unusable_rtsigs)
-if test $bash_cv_unusable_rtsigs = yes; then
-AC_DEFINE(UNUSABLE_RT_SIGNALS)
-fi
-])
-
-dnl
-dnl check for availability of multibyte characters and functions
-dnl
-AC_DEFUN(BASH_CHECK_MULTIBYTE,
-[
-AC_CHECK_HEADERS(wctype.h)
-AC_CHECK_HEADERS(wchar.h)
-AC_CHECK_HEADERS(langinfo.h)
-
-AC_CHECK_FUNC(mbrtowc, AC_DEFINE(HAVE_MBRTOWC))
-AC_CHECK_FUNC(mbsrtowcs, AC_DEFINE(HAVE_MBSRTOWCS))
-AC_CHECK_FUNC(wcwidth, AC_DEFINE(HAVE_WCWIDTH))
-if test "$ac_cv_func_wcwidth" = no && test "$ac_cv_header_wchar_h" = yes; then
- WCWIDTH_OBJ=wcwidth.o
+# Fake the existence of programs that GNU maintainers use. -*- Autoconf -*-
+
+# Copyright (C) 1997-2017 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_MISSING_PROG(NAME, PROGRAM)
+# ------------------------------
+AC_DEFUN([AM_MISSING_PROG],
+[AC_REQUIRE([AM_MISSING_HAS_RUN])
+$1=${$1-"${am_missing_run}$2"}
+AC_SUBST($1)])
+
+# AM_MISSING_HAS_RUN
+# ------------------
+# Define MISSING if not defined so far and test if it is modern enough.
+# If it is, set am_missing_run to use it, otherwise, to nothing.
+AC_DEFUN([AM_MISSING_HAS_RUN],
+[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
+AC_REQUIRE_AUX_FILE([missing])dnl
+if test x"${MISSING+set}" != xset; then
+ case $am_aux_dir in
+ *\ * | *\ *)
+ MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
+ *)
+ MISSING="\${SHELL} $am_aux_dir/missing" ;;
+ esac
+fi
+# Use eval to expand $SHELL
+if eval "$MISSING --is-lightweight"; then
+ am_missing_run="$MISSING "
else
- WCWIDTH_OBJ=
-fi
-AC_SUBST(WCWIDTH_OBJ)
-
-AC_CACHE_CHECK([for mbstate_t], bash_cv_have_mbstate_t,
-[AC_TRY_LINK(
-[#include <wchar.h>],
-[int
-main ()
-{
- mbstate_t ps;
- return 0;
-}], bash_cv_have_mbstate_t=yes, bash_cv_have_mbstate_t=no)])
-if test $bash_cv_have_mbstate_t = yes; then
- AC_DEFINE(HAVE_MBSTATE_T)
-fi
-
-AC_CACHE_CHECK([for nl_langinfo and CODESET], bash_cv_langinfo_codeset,
-[AC_TRY_LINK(
-[#include <langinfo.h>],
-[char* cs = nl_langinfo(CODESET);],
-bash_cv_langinfo_codeset=yes, bash_cv_langinfo_codeset=no)])
-if test $bash_cv_langinfo_codeset = yes; then
- AC_DEFINE(HAVE_LANGINFO_CODESET)
-fi
-
-])
-
-dnl need: prefix exec_prefix libdir includedir CC TERMCAP_LIB
-dnl require:
-dnl AC_PROG_CC
-dnl BASH_CHECK_LIB_TERMCAP
-
-AC_DEFUN(RL_LIB_READLINE_VERSION,
-[
-AC_REQUIRE([BASH_CHECK_LIB_TERMCAP])
-
-AC_MSG_CHECKING([version of installed readline library])
-
-# What a pain in the ass this is.
-
-# save cpp and ld options
-_save_CFLAGS="$CFLAGS"
-_save_LDFLAGS="$LDFLAGS"
-_save_LIBS="$LIBS"
-
-# Don't set ac_cv_rl_prefix if the caller has already assigned a value. This
-# allows the caller to do something like $_rl_prefix=$withval if the user
-# specifies --with-installed-readline=PREFIX as an argument to configure
-
-if test -z "$ac_cv_rl_prefix"; then
-test "x$prefix" = xNONE && ac_cv_rl_prefix=$ac_default_prefix || ac_cv_rl_prefix=${prefix}
-fi
-
-eval ac_cv_rl_includedir=${ac_cv_rl_prefix}/include
-eval ac_cv_rl_libdir=${ac_cv_rl_prefix}/lib
-
-LIBS="$LIBS -lreadline ${TERMCAP_LIB}"
-CFLAGS="$CFLAGS -I${ac_cv_rl_includedir}"
-LDFLAGS="$LDFLAGS -L${ac_cv_rl_libdir}"
-
-AC_TRY_RUN([
-#include <stdio.h>
-#include <readline/readline.h>
-
-main()
-{
- FILE *fp;
- fp = fopen("conftest.rlv", "w");
- if (fp == 0) exit(1);
- fprintf(fp, "%s\n", rl_library_version ? rl_library_version : "0.0");
- fclose(fp);
- exit(0);
-}
-],
-ac_cv_rl_version=`cat conftest.rlv`,
-ac_cv_rl_version='0.0',
-ac_cv_rl_version='4.2')
-
-CFLAGS="$_save_CFLAGS"
-LDFLAGS="$_save_LDFLAGS"
-LIBS="$_save_LIBS"
-
-RL_MAJOR=0
-RL_MINOR=0
-
-# (
-case "$ac_cv_rl_version" in
-2*|3*|4*|5*|6*|7*|8*|9*)
- RL_MAJOR=`echo $ac_cv_rl_version | sed 's:\..*$::'`
- RL_MINOR=`echo $ac_cv_rl_version | sed -e 's:^.*\.::' -e 's:[[a-zA-Z]]*$::'`
- ;;
+ am_missing_run=
+ AC_MSG_WARN(['missing' script is too old or missing])
+fi
+])
+
+# Helper functions for option handling. -*- Autoconf -*-
+
+# Copyright (C) 2001-2017 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# _AM_MANGLE_OPTION(NAME)
+# -----------------------
+AC_DEFUN([_AM_MANGLE_OPTION],
+[[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
+
+# _AM_SET_OPTION(NAME)
+# --------------------
+# Set option NAME. Presently that only means defining a flag for this option.
+AC_DEFUN([_AM_SET_OPTION],
+[m4_define(_AM_MANGLE_OPTION([$1]), [1])])
+
+# _AM_SET_OPTIONS(OPTIONS)
+# ------------------------
+# OPTIONS is a space-separated list of Automake options.
+AC_DEFUN([_AM_SET_OPTIONS],
+[m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
+
+# _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
+# -------------------------------------------
+# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
+AC_DEFUN([_AM_IF_OPTION],
+[m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
+
+# Check to make sure that the build environment is sane. -*- Autoconf -*-
+
+# Copyright (C) 1996-2017 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_SANITY_CHECK
+# ---------------
+AC_DEFUN([AM_SANITY_CHECK],
+[AC_MSG_CHECKING([whether build environment is sane])
+# Reject unsafe characters in $srcdir or the absolute working directory
+# name. Accept space and tab only in the latter.
+am_lf='
+'
+case `pwd` in
+ *[[\\\"\#\$\&\'\`$am_lf]]*)
+ AC_MSG_ERROR([unsafe absolute working directory name]);;
esac
-
-# (((
-case $RL_MAJOR in
-[[0-9][0-9]]) _RL_MAJOR=$RL_MAJOR ;;
-[[0-9]]) _RL_MAJOR=0$RL_MAJOR ;;
-*) _RL_MAJOR=00 ;;
+case $srcdir in
+ *[[\\\"\#\$\&\'\`$am_lf\ \ ]]*)
+ AC_MSG_ERROR([unsafe srcdir value: '$srcdir']);;
esac
-# (((
-case $RL_MINOR in
-[[0-9][0-9]]) _RL_MINOR=$RL_MINOR ;;
-[[0-9]]) _RL_MINOR=0$RL_MINOR ;;
-*) _RL_MINOR=00 ;;
+# Do 'set' in a subshell so we don't clobber the current shell's
+# arguments. Must try -L first in case configure is actually a
+# symlink; some systems play weird games with the mod time of symlinks
+# (eg FreeBSD returns the mod time of the symlink's containing
+# directory).
+if (
+ am_has_slept=no
+ for am_try in 1 2; do
+ echo "timestamp, slept: $am_has_slept" > conftest.file
+ set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
+ if test "$[*]" = "X"; then
+ # -L didn't work.
+ set X `ls -t "$srcdir/configure" conftest.file`
+ fi
+ if test "$[*]" != "X $srcdir/configure conftest.file" \
+ && test "$[*]" != "X conftest.file $srcdir/configure"; then
+
+ # If neither matched, then we have a broken ls. This can happen
+ # if, for instance, CONFIG_SHELL is bash and it inherits a
+ # broken ls alias from the environment. This has actually
+ # happened. Such a system could not be considered "sane".
+ AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
+ alias in your environment])
+ fi
+ if test "$[2]" = conftest.file || test $am_try -eq 2; then
+ break
+ fi
+ # Just in case.
+ sleep 1
+ am_has_slept=yes
+ done
+ test "$[2]" = conftest.file
+ )
+then
+ # Ok.
+ :
+else
+ AC_MSG_ERROR([newly created file is older than distributed files!
+Check your system clock])
+fi
+AC_MSG_RESULT([yes])
+# If we didn't sleep, we still need to ensure time stamps of config.status and
+# generated files are strictly newer.
+am_sleep_pid=
+if grep 'slept: no' conftest.file >/dev/null 2>&1; then
+ ( sleep 1 ) &
+ am_sleep_pid=$!
+fi
+AC_CONFIG_COMMANDS_PRE(
+ [AC_MSG_CHECKING([that generated files are newer than configure])
+ if test -n "$am_sleep_pid"; then
+ # Hide warnings about reused PIDs.
+ wait $am_sleep_pid 2>/dev/null
+ fi
+ AC_MSG_RESULT([done])])
+rm -f conftest.file
+])
+
+# Copyright (C) 2009-2017 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_SILENT_RULES([DEFAULT])
+# --------------------------
+# Enable less verbose build rules; with the default set to DEFAULT
+# ("yes" being less verbose, "no" or empty being verbose).
+AC_DEFUN([AM_SILENT_RULES],
+[AC_ARG_ENABLE([silent-rules], [dnl
+AS_HELP_STRING(
+ [--enable-silent-rules],
+ [less verbose build output (undo: "make V=1")])
+AS_HELP_STRING(
+ [--disable-silent-rules],
+ [verbose build output (undo: "make V=0")])dnl
+])
+case $enable_silent_rules in @%:@ (((
+ yes) AM_DEFAULT_VERBOSITY=0;;
+ no) AM_DEFAULT_VERBOSITY=1;;
+ *) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);;
esac
-
-RL_VERSION="0x${_RL_MAJOR}${_RL_MINOR}"
-
-# Readline versions greater than 4.2 have these defines in readline.h
-
-if test $ac_cv_rl_version = '0.0' ; then
- AC_MSG_WARN([Could not test version of installed readline library.])
-elif test $RL_MAJOR -gt 4 || { test $RL_MAJOR = 4 && test $RL_MINOR -gt 2 ; } ; then
- # set these for use by the caller
- RL_PREFIX=$ac_cv_rl_prefix
- RL_LIBDIR=$ac_cv_rl_libdir
- RL_INCLUDEDIR=$ac_cv_rl_includedir
- AC_MSG_RESULT($ac_cv_rl_version)
+dnl
+dnl A few 'make' implementations (e.g., NonStop OS and NextStep)
+dnl do not support nested variable expansions.
+dnl See automake bug#9928 and bug#10237.
+am_make=${MAKE-make}
+AC_CACHE_CHECK([whether $am_make supports nested variables],
+ [am_cv_make_support_nested_variables],
+ [if AS_ECHO([['TRUE=$(BAR$(V))
+BAR0=false
+BAR1=true
+V=1
+am__doit:
+ @$(TRUE)
+.PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then
+ am_cv_make_support_nested_variables=yes
else
-
-AC_DEFINE_UNQUOTED(RL_READLINE_VERSION, $RL_VERSION, [encoded version of the installed readline library])
-AC_DEFINE_UNQUOTED(RL_VERSION_MAJOR, $RL_MAJOR, [major version of installed readline library])
-AC_DEFINE_UNQUOTED(RL_VERSION_MINOR, $RL_MINOR, [minor version of installed readline library])
-
-AC_SUBST(RL_VERSION)
-AC_SUBST(RL_MAJOR)
-AC_SUBST(RL_MINOR)
-
-# set these for use by the caller
-RL_PREFIX=$ac_cv_rl_prefix
-RL_LIBDIR=$ac_cv_rl_libdir
-RL_INCLUDEDIR=$ac_cv_rl_includedir
-
-AC_MSG_RESULT($ac_cv_rl_version)
-
-fi
-])
+ am_cv_make_support_nested_variables=no
+fi])
+if test $am_cv_make_support_nested_variables = yes; then
+ dnl Using '$V' instead of '$(V)' breaks IRIX make.
+ AM_V='$(V)'
+ AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
+else
+ AM_V=$AM_DEFAULT_VERBOSITY
+ AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
+fi
+AC_SUBST([AM_V])dnl
+AM_SUBST_NOTMAKE([AM_V])dnl
+AC_SUBST([AM_DEFAULT_V])dnl
+AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl
+AC_SUBST([AM_DEFAULT_VERBOSITY])dnl
+AM_BACKSLASH='\'
+AC_SUBST([AM_BACKSLASH])dnl
+_AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
+])
+
+# Copyright (C) 2001-2017 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_PROG_INSTALL_STRIP
+# ---------------------
+# One issue with vendor 'install' (even GNU) is that you can't
+# specify the program used to strip binaries. This is especially
+# annoying in cross-compiling environments, where the build's strip
+# is unlikely to handle the host's binaries.
+# Fortunately install-sh will honor a STRIPPROG variable, so we
+# always use install-sh in "make install-strip", and initialize
+# STRIPPROG with the value of the STRIP variable (set by the user).
+AC_DEFUN([AM_PROG_INSTALL_STRIP],
+[AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
+# Installed binaries are usually stripped using 'strip' when the user
+# run "make install-strip". However 'strip' might not be the right
+# tool to use in cross-compilation environments, therefore Automake
+# will honor the 'STRIP' environment variable to overrule this program.
+dnl Don't test for $cross_compiling = yes, because it might be 'maybe'.
+if test "$cross_compiling" != no; then
+ AC_CHECK_TOOL([STRIP], [strip], :)
+fi
+INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
+AC_SUBST([INSTALL_STRIP_PROGRAM])])
+
+# Copyright (C) 2006-2017 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# _AM_SUBST_NOTMAKE(VARIABLE)
+# ---------------------------
+# Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
+# This macro is traced by Automake.
+AC_DEFUN([_AM_SUBST_NOTMAKE])
+
+# AM_SUBST_NOTMAKE(VARIABLE)
+# --------------------------
+# Public sister of _AM_SUBST_NOTMAKE.
+AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
+
+# Check how to create a tarball. -*- Autoconf -*-
+
+# Copyright (C) 2004-2017 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# _AM_PROG_TAR(FORMAT)
+# --------------------
+# Check how to create a tarball in format FORMAT.
+# FORMAT should be one of 'v7', 'ustar', or 'pax'.
+#
+# Substitute a variable $(am__tar) that is a command
+# writing to stdout a FORMAT-tarball containing the directory
+# $tardir.
+# tardir=directory && $(am__tar) > result.tar
+#
+# Substitute a variable $(am__untar) that extract such
+# a tarball read from stdin.
+# $(am__untar) < result.tar
+#
+AC_DEFUN([_AM_PROG_TAR],
+[# Always define AMTAR for backward compatibility. Yes, it's still used
+# in the wild :-( We should find a proper way to deprecate it ...
+AC_SUBST([AMTAR], ['$${TAR-tar}'])
+
+# We'll loop over all known methods to create a tar archive until one works.
+_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
+
+m4_if([$1], [v7],
+ [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
+
+ [m4_case([$1],
+ [ustar],
+ [# The POSIX 1988 'ustar' format is defined with fixed-size fields.
+ # There is notably a 21 bits limit for the UID and the GID. In fact,
+ # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343
+ # and bug#13588).
+ am_max_uid=2097151 # 2^21 - 1
+ am_max_gid=$am_max_uid
+ # The $UID and $GID variables are not portable, so we need to resort
+ # to the POSIX-mandated id(1) utility. Errors in the 'id' calls
+ # below are definitely unexpected, so allow the users to see them
+ # (that is, avoid stderr redirection).
+ am_uid=`id -u || echo unknown`
+ am_gid=`id -g || echo unknown`
+ AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
+ if test $am_uid -le $am_max_uid; then
+ AC_MSG_RESULT([yes])
+ else
+ AC_MSG_RESULT([no])
+ _am_tools=none
+ fi
+ AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
+ if test $am_gid -le $am_max_gid; then
+ AC_MSG_RESULT([yes])
+ else
+ AC_MSG_RESULT([no])
+ _am_tools=none
+ fi],
+
+ [pax],
+ [],
+
+ [m4_fatal([Unknown tar format])])
+
+ AC_MSG_CHECKING([how to create a $1 tar archive])
+
+ # Go ahead even if we have the value already cached. We do so because we
+ # need to set the values for the 'am__tar' and 'am__untar' variables.
+ _am_tools=${am_cv_prog_tar_$1-$_am_tools}
+
+ for _am_tool in $_am_tools; do
+ case $_am_tool in
+ gnutar)
+ for _am_tar in tar gnutar gtar; do
+ AM_RUN_LOG([$_am_tar --version]) && break
+ done
+ am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
+ am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
+ am__untar="$_am_tar -xf -"
+ ;;
+ plaintar)
+ # Must skip GNU tar: if it does not support --format= it doesn't create
+ # ustar tarball either.
+ (tar --version) >/dev/null 2>&1 && continue
+ am__tar='tar chf - "$$tardir"'
+ am__tar_='tar chf - "$tardir"'
+ am__untar='tar xf -'
+ ;;
+ pax)
+ am__tar='pax -L -x $1 -w "$$tardir"'
+ am__tar_='pax -L -x $1 -w "$tardir"'
+ am__untar='pax -r'
+ ;;
+ cpio)
+ am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
+ am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
+ am__untar='cpio -i -H $1 -d'
+ ;;
+ none)
+ am__tar=false
+ am__tar_=false
+ am__untar=false
+ ;;
+ esac
+
+ # If the value was cached, stop now. We just wanted to have am__tar
+ # and am__untar set.
+ test -n "${am_cv_prog_tar_$1}" && break
+
+ # tar/untar a dummy directory, and stop if the command works.
+ rm -rf conftest.dir
+ mkdir conftest.dir
+ echo GrepMe > conftest.dir/file
+ AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
+ rm -rf conftest.dir
+ if test -s conftest.tar; then
+ AM_RUN_LOG([$am__untar <conftest.tar])
+ AM_RUN_LOG([cat conftest.dir/file])
+ grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
+ fi
+ done
+ rm -rf conftest.dir
+
+ AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
+ AC_MSG_RESULT([$am_cv_prog_tar_$1])])
+
+AC_SUBST([am__tar])
+AC_SUBST([am__untar])
+]) # _AM_PROG_TAR
+
+m4_include([../config/lead-dot.m4])
+m4_include([../config/override.m4])
projects / deliverable / binutils-gdb.git / blobdiff