dnl
dnl Some derived from PDKSH 5.1.3 autoconf tests
dnl
-dnl
-dnl Check if dup2() does not clear the close on exec flag
-dnl
-AC_DEFUN(BASH_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>
+
+AC_DEFUN(BASH_C_LONG_LONG,
+[AC_CACHE_CHECK(for long long, ac_cv_c_long_long,
+[if test "$GCC" = yes; then
+ ac_cv_c_long_long=yes
+else
+AC_TRY_RUN([
+#include <stdlib.h>
+int
main()
{
- int fd1, fd2, fl;
- fd1 = open("/dev/null", 2);
- if (fcntl(fd1, 2, 1) < 0)
- exit(1);
- fd2 = dup2(fd1, 1);
- if (fd2 < 0)
- exit(2);
- fl = fcntl(fd2, 1, 0);
- /* fl will be 1 if dup2 did not reset the close-on-exec flag. */
- exit(fl != 1);
+long long foo = 0;
+exit(sizeof(long long) < sizeof(long));
}
-], bash_cv_dup2_broken=yes, bash_cv_dup2_broken=no,
- AC_MSG_ERROR(cannot check dup2 if cross compiling))
-])
-AC_MSG_RESULT($bash_cv_dup2_broken)
-if test $bash_cv_dup2_broken = yes; then
-AC_DEFINE(DUP2_BROKEN)
-fi
-])
-
-dnl Check type of signal routines (posix, 4.2bsd, 4.1bsd or v7)
-AC_DEFUN(BASH_SIGNAL_CHECK,
-[AC_REQUIRE([AC_TYPE_SIGNAL])
-AC_MSG_CHECKING(for type of signal functions)
-AC_CACHE_VAL(bash_cv_signal_vintage,
-[
- AC_TRY_LINK([#include <signal.h>],[
- sigset_t ss;
- struct sigaction sa;
- sigemptyset(&ss); sigsuspend(&ss);
- sigaction(SIGINT, &sa, (struct sigaction *) 0);
- sigprocmask(SIG_BLOCK, &ss, (sigset_t *) 0);
- ], bash_cv_signal_vintage=posix,
- [
- AC_TRY_LINK([#include <signal.h>], [
- int mask = sigmask(SIGINT);
- sigsetmask(mask); sigblock(mask); sigpause(mask);
- ], bash_cv_signal_vintage=4.2bsd,
- [
- AC_TRY_LINK([
- #include <signal.h>
- RETSIGTYPE foo() { }], [
- int mask = sigmask(SIGINT);
- sigset(SIGINT, foo); sigrelse(SIGINT);
- sighold(SIGINT); sigpause(SIGINT);
- ], bash_cv_signal_vintage=svr3, bash_cv_signal_vintage=v7
- )]
- )]
-)
-])
-AC_MSG_RESULT($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)
+], ac_cv_c_long_long=yes, ac_cv_c_long_long=no)
+fi])
+if test $ac_cv_c_long_long = yes; then
+ AC_DEFINE(HAVE_LONG_LONG, 1, [Define if the `long long' type works.])
fi
])
-dnl Check if the pgrp of setpgrp() can't be the pid of a zombie process.
-AC_DEFUN(BASH_PGRP_SYNC,
-[AC_REQUIRE([AC_FUNC_GETPGRP])
-AC_MSG_CHECKING(whether pgrps need synchronization)
-AC_CACHE_VAL(bash_cv_pgrp_pipe,
-[AC_TRY_RUN([
-#ifdef HAVE_UNISTD_H
-# include <unistd.h>
-#endif
+dnl
+dnl This is very similar to AC_C_LONG_DOUBLE, with the fix for IRIX
+dnl (< changed to <=) added.
+dnl
+AC_DEFUN(BASH_C_LONG_DOUBLE,
+[AC_CACHE_CHECK(for long double, ac_cv_c_long_double,
+[if test "$GCC" = yes; then
+ ac_cv_c_long_double=yes
+else
+AC_TRY_RUN([
+#include <stdlib.h>
+int
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);
+ /* 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));
}
-], bash_cv_pgrp_pipe=no,bash_cv_pgrp_pipe=yes,
- AC_MSG_ERROR(cannot check pgrp synchronization if cross compiling))
-])
-AC_MSG_RESULT($bash_cv_pgrp_pipe)
-if test $bash_cv_pgrp_pipe = yes; then
-AC_DEFINE(PGRP_PIPE)
+], 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 This could be changed to use AC_COMPILE_IFELSE instead of AC_EGREP_CPP
dnl
dnl BASH_CHECK_TYPE(TYPE, HEADERS, DEFAULT[, VALUE-IF-FOUND])
AC_DEFUN(BASH_CHECK_TYPE,
-[AC_REQUIRE([AC_HEADER_STDC])dnl
+[
+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
+#if HAVE_STDINT_H
+#include <stdint.h>
#endif
$2
], bash_cv_type_$1=yes, bash_cv_type_$1=no)])
AC_DEFINE($4)
fi])
if test $bash_cv_type_$1 = no; then
- AC_DEFINE($1, $3)
+ AC_DEFINE_UNQUOTED($1, $3)
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 BASH_CHECK_DECL(FUNC)
dnl
-AC_DEFUN(BASH_RLIMIT_TYPE,
-[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>],
-[rlim_t xxx;], bash_cv_type_rlimit=rlim_t,[
-AC_TRY_RUN([
-#include <sys/types.h>
-#include <sys/time.h>
-#include <sys/resource.h>
+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($bash_tr_func, 0)
+fi
+])
+
+AC_DEFUN(BASH_DECL_PRINTF,
+[AC_MSG_CHECKING(for declaration of printf in <stdio.h>)
+AC_CACHE_VAL(bash_cv_printf_declared,
+[AC_TRY_RUN([
+#include <stdio.h>
+#ifdef __STDC__
+typedef int (*_bashfunc)(const char *, ...);
+#else
+typedef int (*_bashfunc)();
+#endif
+#include <stdlib.h>
+int
main()
{
-#ifdef HAVE_QUAD_T
- struct rlimit rl;
- if (sizeof(rl.rlim_cur) == sizeof(quad_t))
- exit(0);
-#endif
- exit(1);
-}], bash_cv_type_rlimit=quad_t, bash_cv_type_rlimit=long,
- AC_MSG_ERROR(cannot check quad_t if cross compiling))])
+_bashfunc pf;
+pf = (_bashfunc) printf;
+exit(pf == 0);
+}
+], bash_cv_printf_declared=yes, bash_cv_printf_declared=no,
+ [AC_MSG_WARN(cannot check printf declaration if cross compiling -- defaulting to yes)
+ bash_cv_printf_declared=yes]
+)])
+AC_MSG_RESULT($bash_cv_printf_declared)
+if test $bash_cv_printf_declared = yes; then
+AC_DEFINE(PRINTF_DECLARED)
+fi
])
-AC_MSG_RESULT($bash_cv_type_rlimit)
-if test $bash_cv_type_rlimit = quad_t; then
-AC_DEFINE(RLIMTYPE, quad_t)
-elif test $bash_cv_type_rlimit = rlim_t; then
-AC_DEFINE(RLIMTYPE, rlim_t)
+
+AC_DEFUN(BASH_DECL_SBRK,
+[AC_MSG_CHECKING(for declaration of sbrk in <unistd.h>)
+AC_CACHE_VAL(bash_cv_sbrk_declared,
+[AC_EGREP_HEADER(sbrk, unistd.h,
+ bash_cv_sbrk_declared=yes, bash_cv_sbrk_declared=no)])
+AC_MSG_RESULT($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 $bash_cv_decl_under_sys_siglist = yes; then
+AC_DEFINE(UNDER_SYS_SIGLIST_DECLARED)
+fi
+])
+
AC_DEFUN(BASH_UNDER_SYS_SIGLIST,
-[AC_MSG_CHECKING([for _sys_siglist in system C library])
+[AC_REQUIRE([BASH_DECL_UNDER_SYS_SIGLIST])
+AC_MSG_CHECKING([for _sys_siglist in system C library])
AC_CACHE_VAL(bash_cv_under_sys_siglist,
[AC_TRY_RUN([
#include <sys/types.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
-#ifndef _sys_siglist
+#include <stdlib.h>
+#ifndef UNDER_SYS_SIGLIST_DECLARED
extern char *_sys_siglist[];
#endif
+int
main()
{
-char *msg = _sys_siglist[2];
+char *msg = (char *)_sys_siglist[2];
exit(msg == 0);
}],
-bash_cv_under_sys_siglist=yes, bash_cv_under_sys_siglist=no,
-AC_MSG_ERROR(cannot check for _sys_siglist[] if cross compiling))])dnl
+ bash_cv_under_sys_siglist=yes, bash_cv_under_sys_siglist=no,
+ [AC_MSG_WARN(cannot check for _sys_siglist[] if cross compiling -- defaulting to no)
+ bash_cv_under_sys_siglist=no])])
AC_MSG_RESULT($bash_cv_under_sys_siglist)
if test $bash_cv_under_sys_siglist = yes; then
AC_DEFINE(HAVE_UNDER_SYS_SIGLIST)
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
-#ifndef SYS_SIGLIST_DECLARED
+#include <stdlib.h>
+#if !HAVE_DECL_SYS_SIGLIST
extern char *sys_siglist[];
#endif
+int
main()
{
char *msg = sys_siglist[2];
exit(msg == 0);
}],
-bash_cv_sys_siglist=yes, bash_cv_sys_siglist=no,
-AC_MSG_ERROR(cannot check for sys_siglist if cross compiling))])dnl
+ bash_cv_sys_siglist=yes, bash_cv_sys_siglist=no,
+ [AC_MSG_WARN(cannot check for sys_siglist if cross compiling -- defaulting to no)
+ bash_cv_sys_siglist=no])])
AC_MSG_RESULT($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])
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>
+#include <stdlib.h>
+int
+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 $bash_cv_dup2_broken = yes; then
+AC_DEFINE(DUP2_BROKEN)
+fi
+])
+
+AC_DEFUN(BASH_FUNC_STRSIGNAL,
+[AC_MSG_CHECKING([for the existence of strsignal])
+AC_CACHE_VAL(bash_cv_have_strsignal,
+[AC_TRY_LINK([#include <sys/types.h>
+#include <signal.h>
+#include <string.h>],
+[char *s = (char *)strsignal(2);],
+ bash_cv_have_strsignal=yes, bash_cv_have_strsignal=no)])
+AC_MSG_RESULT($bash_cv_have_strsignal)
+if test $bash_cv_have_strsignal = yes; then
+AC_DEFINE(HAVE_STRSIGNAL)
+fi
+])
+
dnl Check to see if opendir will open non-directories (not a nice thing)
AC_DEFUN(BASH_FUNC_OPENDIR_CHECK,
[AC_REQUIRE([AC_HEADER_DIRENT])dnl
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif /* HAVE_UNISTD_H */
+#ifdef HAVE_SYS_STAT_H
+#include <sys/stat.h>
+#endif
#if defined(HAVE_DIRENT_H)
# include <dirent.h>
#else
# include <ndir.h>
# endif
#endif /* HAVE_DIRENT_H */
+#include <stdlib.h>
+int
main()
{
DIR *dir;
-int fd;
-unlink("/tmp/not_a_directory");
-fd = open("/tmp/not_a_directory", O_WRONLY|O_CREAT, 0666);
+int fd, err;
+err = mkdir("bash-aclocal", 0700);
+if (err < 0) {
+ perror("mkdir");
+ exit(1);
+}
+unlink("bash-aclocal/not_a_directory");
+fd = open("bash-aclocal/not_a_directory", O_WRONLY|O_CREAT|O_EXCL, 0666);
write(fd, "\n", 1);
close(fd);
-dir = opendir("/tmp/not_a_directory");
-unlink("/tmp/not_a_directory");
+dir = opendir("bash-aclocal/not_a_directory");
+unlink("bash-aclocal/not_a_directory");
+rmdir("bash-aclocal");
exit (dir == 0);
}], bash_cv_opendir_not_robust=yes,bash_cv_opendir_not_robust=no,
- AC_MSG_ERROR(cannot check opendir if cross compiling))])
+ [AC_MSG_WARN(cannot check opendir if cross compiling -- defaulting to no)
+ bash_cv_opendir_not_robust=no]
+)])
AC_MSG_RESULT($bash_cv_opendir_not_robust)
if test $bash_cv_opendir_not_robust = yes; then
AC_DEFINE(OPENDIR_NOT_ROBUST)
fi
])
-AC_DEFUN(BASH_FUNC_STRSIGNAL,
-[AC_MSG_CHECKING([for the existance of strsignal])
-AC_CACHE_VAL(bash_cv_have_strsignal,
-[AC_TRY_LINK([#include <sys/types.h>
-#include <signal.h>],
-[char *s = (char *)strsignal(2);],
- bash_cv_have_strsignal=yes, bash_cv_have_strsignal=no)])
-AC_MSG_RESULT($bash_cv_have_strsignal)
-if test $bash_cv_have_strsignal = yes; then
-AC_DEFINE(HAVE_STRSIGNAL)
+dnl
+dnl A signed 16-bit integer quantity
+dnl
+AC_DEFUN(BASH_TYPE_BITS16_T,
+[
+if test "$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 "$bash_cv_type_unsigned_long_long" = 'unsigned long long'; then
+ AC_DEFINE(HAVE_UNSIGNED_LONG_LONG, 1)
+fi
+])
+
+dnl
+dnl Type of struct rlimit fields: some systems (OSF/1, NetBSD, RISC/os 5.0)
+dnl have a rlim_t, others (4.4BSD based systems) use quad_t, others use
+dnl long and still others use int (HP-UX 9.01, SunOS 4.1.3). To simplify
+dnl matters, this just checks for rlim_t, quad_t, or long.
+dnl
+AC_DEFUN(BASH_TYPE_RLIMIT,
+[AC_MSG_CHECKING(for size and type of struct rlimit fields)
+AC_CACHE_VAL(bash_cv_type_rlimit,
+[AC_TRY_COMPILE([#include <sys/types.h>
+#include <sys/resource.h>],
+[rlim_t xxx;], bash_cv_type_rlimit=rlim_t,[
+AC_TRY_RUN([
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+#include <stdlib.h>
+int
+main()
+{
+#ifdef HAVE_QUAD_T
+ struct rlimit rl;
+ if (sizeof(rl.rlim_cur) == sizeof(quad_t))
+ exit(0);
+#endif
+ exit(1);
+}], bash_cv_type_rlimit=quad_t, bash_cv_type_rlimit=long,
+ [AC_MSG_WARN(cannot check quad_t if cross compiling -- defaulting to long)
+ bash_cv_type_rlimit=long])])
+])
+AC_MSG_RESULT($bash_cv_type_rlimit)
+if test $bash_cv_type_rlimit = quad_t; then
+AC_DEFINE(RLIMTYPE, quad_t)
+elif test $bash_cv_type_rlimit = rlim_t; then
+AC_DEFINE(RLIMTYPE, rlim_t)
+fi
+])
+
+AC_DEFUN(BASH_TYPE_SIG_ATOMIC_T,
+[AC_CACHE_CHECK([for sig_atomic_t in signal.h], ac_cv_have_sig_atomic_t,
+[AC_TRY_LINK([
+#include <signal.h>
+],[ sig_atomic_t x; ],
+ac_cv_have_sig_atomic_t=yes, ac_cv_have_sig_atomic_t=no)])
+if test "$ac_cv_have_sig_atomic_t" = "no"
+then
+ AC_CHECK_TYPE(sig_atomic_t,int)
fi
])
[AC_TRY_LINK([
#include <sys/types.h>
#include <sys/stat.h>
-],[ lstat("",(struct stat *)0); ],
+],[ lstat(".",(struct stat *)0); ],
bash_cv_func_lstat=yes, bash_cv_func_lstat=no)])
if test $bash_cv_func_lstat = yes; then
AC_DEFINE(HAVE_LSTAT)
fi
])
-AC_DEFUN(BASH_STRUCT_TERMIOS_LDISC,
-[AC_MSG_CHECKING([for a c_line member of struct termios])
-AC_CACHE_VAL(bash_cv_termios_ldisc,
-[AC_TRY_COMPILE([#include <sys/types.h>
-#include <termios.h>],[struct termios t; int i; i = t.c_line;],
- bash_cv_termios_ldisc=yes, bash_cv_termios_ldisc=no)])dnl
-AC_MSG_RESULT($bash_cv_termios_ldisc)
-if test $bash_cv_termios_ldisc = yes; then
-AC_DEFINE(TERMIOS_LDISC)
-fi
-])
-
-AC_DEFUN(BASH_STRUCT_TERMIO_LDISC,
-[AC_MSG_CHECKING([for a c_line member of struct termio])
-AC_CACHE_VAL(bash_cv_termio_ldisc,
-[AC_TRY_COMPILE([#include <sys/types.h>
-#include <termio.h>],[struct termio t; int i; i = t.c_line;],
- bash_cv_termio_ldisc=yes, bash_cv_termio_ldisc=no)])dnl
-AC_MSG_RESULT($bash_cv_termio_ldisc)
-if test $bash_cv_termio_ldisc = yes; then
-AC_DEFINE(TERMIO_LDISC)
+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 $bash_cv_func_inet_aton = yes; then
+ AC_DEFINE(HAVE_INET_ATON)
+else
+ AC_LIBOBJ(inet_aton)
fi
])
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
+#include <stdlib.h>
#ifndef __STDC__
# ifndef const
# define const
{
return "42";
}
+int
main()
{
char *s;
exit(s == 0); /* force optimizer to leave getenv in */
}
], bash_cv_getenv_redef=yes, bash_cv_getenv_redef=no,
-AC_MSG_ERROR(cannot check getenv redefinition if cross compiling))])
+ [AC_MSG_WARN(cannot check getenv redefinition if cross compiling -- defaulting to yes)
+ bash_cv_getenv_redef=yes]
+)])
AC_MSG_RESULT($bash_cv_getenv_redef)
if test $bash_cv_getenv_redef = yes; then
AC_DEFINE(CAN_REDEFINE_GETENV)
fi
])
-AC_DEFUN(BASH_FUNC_PRINTF,
-[AC_MSG_CHECKING(for declaration of printf in <stdio.h>)
-AC_CACHE_VAL(bash_cv_printf_declared,
-[AC_TRY_RUN([
-#include <stdio.h>
-#ifdef __STDC__
-typedef int (*_bashfunc)(const char *, ...);
+# We should check for putenv before calling this
+AC_DEFUN(BASH_FUNC_STD_PUTENV,
+[
+AC_REQUIRE([AC_HEADER_STDC])
+AC_REQUIRE([AC_C_PROTOTYPES])
+AC_CACHE_CHECK([for standard-conformant putenv declaration], bash_cv_std_putenv,
+[AC_TRY_LINK([
+#if STDC_HEADERS
+#include <stdlib.h>
+#include <stddef.h>
+#endif
+#ifndef __STDC__
+# ifndef const
+# define const
+# endif
+#endif
+#ifdef PROTOTYPES
+extern int putenv (char *);
#else
-typedef int (*_bashfunc)();
+extern int putenv ();
#endif
-main()
-{
-_bashfunc pf;
-pf = printf;
-exit(pf == 0);
-}
-],bash_cv_printf_declared=yes, bash_cv_printf_declared=no,
-AC_MSG_ERROR(cannot check printf declaration if cross compiling))])
-AC_MSG_RESULT($bash_cv_printf_declared)
-if test $bash_cv_printf_declared = yes; then
-AC_DEFINE(PRINTF_DECLARED)
+],
+[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
+],
+[return (unsetenv == 0);],
+bash_cv_std_unsetenv=yes, bash_cv_std_unsetenv=no
+)])
+if test $bash_cv_std_unsetenv = yes; then
+AC_DEFINE(HAVE_STD_UNSETENV)
fi
])
[AC_MSG_CHECKING(whether ulimit can substitute for getdtablesize)
AC_CACHE_VAL(bash_cv_ulimit_maxfds,
[AC_TRY_RUN([
+#include <stdlib.h>
+#ifdef HAVE_ULIMIT_H
+#include <ulimit.h>
+#endif
+int
main()
{
long maxfds = ulimit(4, 0L);
exit (maxfds == -1L);
}
-],bash_cv_ulimit_maxfds=yes, bash_cv_ulimit_maxfds=no,
-AC_MSG_ERROR(cannot check ulimit if cross compiling))])
+], bash_cv_ulimit_maxfds=yes, bash_cv_ulimit_maxfds=no,
+ [AC_MSG_WARN(cannot check ulimit if cross compiling -- defaulting to no)
+ bash_cv_ulimit_maxfds=no]
+)])
AC_MSG_RESULT($bash_cv_ulimit_maxfds)
if test $bash_cv_ulimit_maxfds = yes; then
AC_DEFINE(ULIMIT_MAXFDS)
fi
])
-AC_DEFUN(BASH_CHECK_LIB_TERMCAP,
-[
-if test "X$bash_cv_termcap_lib" = "X"; then
-_bash_needmsg=yes
-else
-AC_MSG_CHECKING(which library has the termcap functions)
-_bash_needmsg=
-fi
-AC_CACHE_VAL(bash_cv_termcap_lib,
-[AC_CHECK_LIB(termcap, tgetent, bash_cv_termcap_lib=libtermcap,
- [AC_CHECK_LIB(curses, tgetent, bash_cv_termcap_lib=libcurses,
- [AC_CHECK_LIB(ncurses, tgetent, bash_cv_termcap_lib=libncurses,
- bash_cv_termcap_lib=gnutermcap)])])])
-if test "X$_bash_needmsg" = "Xyes"; then
-AC_MSG_CHECKING(which library has the termcap functions)
-fi
-AC_MSG_RESULT(using $bash_cv_termcap_lib)
-if test $bash_cv_termcap_lib = gnutermcap; then
-LDFLAGS="$LDFLAGS -L./lib/termcap"
-TERMCAP_LIB="./lib/termcap/libtermcap.a"
-TERMCAP_DEP="./lib/termcap/libtermcap.a"
-elif test $bash_cv_termcap_lib = libtermcap && test -z "$prefer_curses"; then
-TERMCAP_LIB=-ltermcap
-TERMCAP_DEP=
-elif test $bash_cv_termcap_lib = libncurses; then
-TERMCAP_LIB=-lncurses
-TERMCAP_DEP=
-else
-TERMCAP_LIB=-lcurses
-TERMCAP_DEP=
-fi
-])
-
AC_DEFUN(BASH_FUNC_GETCWD,
-[AC_MSG_CHECKING([if getcwd() calls popen()])
-AC_CACHE_VAL(bash_cv_getcwd_calls_popen,
+[AC_MSG_CHECKING([if getcwd() will dynamically allocate memory with 0 size])
+AC_CACHE_VAL(bash_cv_getcwd_malloc,
[AC_TRY_RUN([
#include <stdio.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
+#include <stdlib.h>
-#ifndef __STDC__
-#ifndef const
-#define const
-#endif
-#endif
-
-int popen_called;
-
-FILE *
-popen(command, type)
- const char *command;
- const char *type;
+int
+main()
{
- popen_called = 1;
- return (FILE *)NULL;
+ char *xpwd;
+ xpwd = getcwd(0, 0);
+ exit (xpwd == 0);
}
+], bash_cv_getcwd_malloc=yes, bash_cv_getcwd_malloc=no,
+ [AC_MSG_WARN(cannot check whether getcwd allocates memory when cross-compiling -- defaulting to no)
+ bash_cv_getcwd_malloc=no]
+)])
+AC_MSG_RESULT($bash_cv_getcwd_malloc)
+if test $bash_cv_getcwd_malloc = no; then
+AC_DEFINE(GETCWD_BROKEN)
+AC_LIBOBJ(getcwd)
+fi
+])
-FILE *_popen(command, type)
- const char *command;
- const char *type;
-{
- return (popen (command, type));
-}
+dnl
+dnl This needs BASH_CHECK_SOCKLIB, but since that's not called on every
+dnl system, we can't use AC_PREREQ
+dnl
+AC_DEFUN(BASH_FUNC_GETHOSTBYNAME,
+[if test "X$bash_cv_have_gethostbyname" = "X"; then
+_bash_needmsg=yes
+else
+AC_MSG_CHECKING(for gethostbyname in socket library)
+_bash_needmsg=
+fi
+AC_CACHE_VAL(bash_cv_have_gethostbyname,
+[AC_TRY_LINK([#include <netdb.h>],
+[ struct hostent *hp;
+ hp = gethostbyname("localhost");
+], bash_cv_have_gethostbyname=yes, bash_cv_have_gethostbyname=no)]
+)
+if test "X$_bash_needmsg" = Xyes; then
+ AC_MSG_CHECKING(for gethostbyname in socket library)
+fi
+AC_MSG_RESULT($bash_cv_have_gethostbyname)
+if test "$bash_cv_have_gethostbyname" = yes; then
+AC_DEFINE(HAVE_GETHOSTBYNAME)
+fi
+])
-int
-pclose(stream)
-FILE *stream;
-{
- return 0;
-}
+AC_DEFUN(BASH_FUNC_FNMATCH_EXTMATCH,
+[AC_MSG_CHECKING(if fnmatch does extended pattern matching with FNM_EXTMATCH)
+AC_CACHE_VAL(bash_cv_fnm_extmatch,
+[AC_TRY_RUN([
+#include <fnmatch.h>
int
-_pclose(stream)
-FILE *stream;
-{
- return 0;
-}
-
main()
{
- char lbuf[32];
- popen_called = 0;
- getcwd(lbuf, 32);
- exit (popen_called);
+#ifdef FNM_EXTMATCH
+ return (0);
+#else
+ return (1);
+#endif
}
-], bash_cv_getcwd_calls_popen=no, bash_cv_getcwd_calls_popen=yes,
-AC_MSG_ERROR(cannot check whether getcwd calls popen if cross compiling))])
-AC_MSG_RESULT($bash_cv_getcwd_calls_popen)
-if test $bash_cv_getcwd_calls_popen = yes; then
-AC_DEFINE(GETCWD_BROKEN)
+], bash_cv_fnm_extmatch=yes, bash_cv_fnm_extmatch=no,
+ [AC_MSG_WARN(cannot check FNM_EXTMATCH if cross compiling -- defaulting to no)
+ bash_cv_fnm_extmatch=no])
+])
+AC_MSG_RESULT($bash_cv_fnm_extmatch)
+if test $bash_cv_fnm_extmatch = yes; then
+AC_DEFINE(HAVE_LIBC_FNM_EXTMATCH)
fi
])
-AC_DEFUN(BASH_STRUCT_DIRENT_D_INO,
-[AC_REQUIRE([AC_HEADER_DIRENT])
-AC_MSG_CHECKING(if struct dirent has a d_ino member)
-AC_CACHE_VAL(bash_cv_dirent_has_dino,
-[AC_TRY_COMPILE([
-#include <stdio.h>
-#include <sys/types.h>
+AC_DEFUN(BASH_FUNC_POSIX_SETJMP,
+[AC_REQUIRE([BASH_SYS_SIGNAL_VINTAGE])
+AC_MSG_CHECKING(for presence of POSIX-style sigsetjmp/siglongjmp)
+AC_CACHE_VAL(bash_cv_func_sigsetjmp,
+[AC_TRY_RUN([
#ifdef HAVE_UNISTD_H
-# include <unistd.h>
-#endif /* HAVE_UNISTD_H */
-#if defined(HAVE_DIRENT_H)
-# include <dirent.h>
+#include <unistd.h>
+#endif
+#include <sys/types.h>
+#include <signal.h>
+#include <setjmp.h>
+#include <stdlib.h>
+
+int
+main()
+{
+#if !defined (_POSIX_VERSION) || !defined (HAVE_POSIX_SIGNALS)
+exit (1);
#else
-# define dirent direct
-# ifdef HAVE_SYS_NDIR_H
+
+int code;
+sigset_t set, oset;
+sigjmp_buf xx;
+
+/* get the mask */
+sigemptyset(&set);
+sigemptyset(&oset);
+sigprocmask(SIG_BLOCK, (sigset_t *)NULL, &set);
+sigprocmask(SIG_BLOCK, (sigset_t *)NULL, &oset);
+
+/* save it */
+code = sigsetjmp(xx, 1);
+if (code)
+ exit(0); /* could get sigmask and compare to oset here. */
+
+/* change it */
+sigaddset(&set, SIGINT);
+sigprocmask(SIG_BLOCK, &set, (sigset_t *)NULL);
+
+/* and siglongjmp */
+siglongjmp(xx, 10);
+exit(1);
+#endif
+}], bash_cv_func_sigsetjmp=present, bash_cv_func_sigsetjmp=missing,
+ [AC_MSG_WARN(cannot check for sigsetjmp/siglongjmp if cross-compiling -- defaulting to missing)
+ bash_cv_func_sigsetjmp=missing]
+)])
+AC_MSG_RESULT($bash_cv_func_sigsetjmp)
+if test $bash_cv_func_sigsetjmp = present; then
+AC_DEFINE(HAVE_POSIX_SIGSETJMP)
+fi
+])
+
+AC_DEFUN(BASH_FUNC_STRCOLL,
+[
+AC_MSG_CHECKING(whether or not strcoll and strcmp differ)
+AC_CACHE_VAL(bash_cv_func_strcoll_broken,
+[AC_TRY_RUN([
+#include <stdio.h>
+#if defined (HAVE_LOCALE_H)
+#include <locale.h>
+#endif
+#include <string.h>
+#include <stdlib.h>
+
+int
+main(c, v)
+int c;
+char *v[];
+{
+ int r1, r2;
+ char *deflocale, *defcoll;
+
+#ifdef HAVE_SETLOCALE
+ deflocale = setlocale(LC_ALL, "");
+ defcoll = setlocale(LC_COLLATE, "");
+#endif
+
+#ifdef HAVE_STRCOLL
+ /* These two values are taken from tests/glob-test. */
+ r1 = strcoll("abd", "aXd");
+#else
+ r1 = 0;
+#endif
+ r2 = strcmp("abd", "aXd");
+
+ /* These two should both be greater than 0. It is permissible for
+ a system to return different values, as long as the sign is the
+ same. */
+
+ /* Exit with 1 (failure) if these two values are both > 0, since
+ this tests whether strcoll(3) is broken with respect to strcmp(3)
+ in the default locale. */
+ exit (r1 > 0 && r2 > 0);
+}
+], bash_cv_func_strcoll_broken=yes, bash_cv_func_strcoll_broken=no,
+ [AC_MSG_WARN(cannot check strcoll if cross compiling -- defaulting to no)
+ bash_cv_func_strcoll_broken=no]
+)])
+AC_MSG_RESULT($bash_cv_func_strcoll_broken)
+if test $bash_cv_func_strcoll_broken = yes; then
+AC_DEFINE(STRCOLL_BROKEN)
+fi
+])
+
+AC_DEFUN(BASH_FUNC_PRINTF_A_FORMAT,
+[AC_MSG_CHECKING([for printf floating point output in hex notation])
+AC_CACHE_VAL(bash_cv_printf_a_format,
+[AC_TRY_RUN([
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+int
+main()
+{
+ double y = 0.0;
+ char abuf[1024];
+
+ sprintf(abuf, "%A", y);
+ exit(strchr(abuf, 'P') == (char *)0);
+}
+], bash_cv_printf_a_format=yes, bash_cv_printf_a_format=no,
+ [AC_MSG_WARN(cannot check printf if cross compiling -- defaulting to no)
+ bash_cv_printf_a_format=no]
+)])
+AC_MSG_RESULT($bash_cv_printf_a_format)
+if test $bash_cv_printf_a_format = yes; then
+AC_DEFINE(HAVE_PRINTF_A_FORMAT)
+fi
+])
+
+AC_DEFUN(BASH_STRUCT_TERMIOS_LDISC,
+[
+AC_CHECK_MEMBER(struct termios.c_line, AC_DEFINE(TERMIOS_LDISC), ,[
+#include <sys/types.h>
+#include <termios.h>
+])
+])
+
+AC_DEFUN(BASH_STRUCT_TERMIO_LDISC,
+[
+AC_CHECK_MEMBER(struct termio.c_line, AC_DEFINE(TERMIO_LDISC), ,[
+#include <sys/types.h>
+#include <termio.h>
+])
+])
+
+dnl
+dnl Like AC_STRUCT_ST_BLOCKS, but doesn't muck with LIBOBJS
+dnl
+dnl sets bash_cv_struct_stat_st_blocks
+dnl
+dnl unused for now; we'll see how AC_CHECK_MEMBERS works
+dnl
+AC_DEFUN(BASH_STRUCT_ST_BLOCKS,
+[
+AC_MSG_CHECKING([for struct stat.st_blocks])
+AC_CACHE_VAL(bash_cv_struct_stat_st_blocks,
+[AC_TRY_COMPILE(
+[
+#include <sys/types.h>
+#include <sys/stat.h>
+],
+[
+int
+main()
+{
+static struct stat a;
+if (a.st_blocks) return 0;
+return 0;
+}
+], bash_cv_struct_stat_st_blocks=yes, bash_cv_struct_stat_st_blocks=no)
+])
+AC_MSG_RESULT($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
+else
+AC_MSG_CHECKING(which library has the termcap functions)
+_bash_needmsg=
+fi
+AC_CACHE_VAL(bash_cv_termcap_lib,
+[AC_CHECK_FUNC(tgetent, bash_cv_termcap_lib=libc,
+ [AC_CHECK_LIB(termcap, tgetent, bash_cv_termcap_lib=libtermcap,
+ [AC_CHECK_LIB(tinfo, tgetent, bash_cv_termcap_lib=libtinfo,
+ [AC_CHECK_LIB(curses, tgetent, bash_cv_termcap_lib=libcurses,
+ [AC_CHECK_LIB(ncurses, tgetent, bash_cv_termcap_lib=libncurses,
+ [AC_CHECK_LIB(ncursesw, tgetent, bash_cv_termcap_lib=libncursesw,
+ bash_cv_termcap_lib=gnutermcap)])])])])])])
+if test "X$_bash_needmsg" = "Xyes"; then
+AC_MSG_CHECKING(which library has the termcap functions)
+fi
+AC_MSG_RESULT(using $bash_cv_termcap_lib)
+if test $bash_cv_termcap_lib = gnutermcap && test -z "$prefer_curses"; then
+LDFLAGS="$LDFLAGS -L./lib/termcap"
+TERMCAP_LIB="./lib/termcap/libtermcap.a"
+TERMCAP_DEP="./lib/termcap/libtermcap.a"
+elif test $bash_cv_termcap_lib = libtermcap && test -z "$prefer_curses"; then
+TERMCAP_LIB=-ltermcap
+TERMCAP_DEP=
+elif test $bash_cv_termcap_lib = libtinfo; then
+TERMCAP_LIB=-ltinfo
+TERMCAP_DEP=
+elif test $bash_cv_termcap_lib = libncurses; then
+TERMCAP_LIB=-lncurses
+TERMCAP_DEP=
+elif test $bash_cv_termcap_lib = libc; then
+TERMCAP_LIB=
+TERMCAP_DEP=
+else
+TERMCAP_LIB=-lcurses
+TERMCAP_DEP=
+fi
+])
+
+dnl
+dnl Check for the presence of getpeername in libsocket.
+dnl If libsocket is present, check for libnsl and add it to LIBS if
+dnl it's there, since most systems with libsocket require linking
+dnl with libnsl as well. This should only be called if getpeername
+dnl was not found in libc.
+dnl
+dnl NOTE: IF WE FIND GETPEERNAME, WE ASSUME THAT WE HAVE BIND/CONNECT
+dnl AS WELL
+dnl
+AC_DEFUN(BASH_CHECK_LIB_SOCKET,
+[
+if test "X$bash_cv_have_socklib" = "X"; then
+_bash_needmsg=
+else
+AC_MSG_CHECKING(for socket library)
+_bash_needmsg=yes
+fi
+AC_CACHE_VAL(bash_cv_have_socklib,
+[AC_CHECK_LIB(socket, getpeername,
+ bash_cv_have_socklib=yes, bash_cv_have_socklib=no, -lnsl)])
+if test "X$_bash_needmsg" = Xyes; then
+ AC_MSG_RESULT($bash_cv_have_socklib)
+ _bash_needmsg=
+fi
+if test $bash_cv_have_socklib = yes; then
+ # check for libnsl, add it to LIBS if present
+ if test "X$bash_cv_have_libnsl" = "X"; then
+ _bash_needmsg=
+ else
+ AC_MSG_CHECKING(for libnsl)
+ _bash_needmsg=yes
+ fi
+ AC_CACHE_VAL(bash_cv_have_libnsl,
+ [AC_CHECK_LIB(nsl, t_open,
+ bash_cv_have_libnsl=yes, bash_cv_have_libnsl=no)])
+ if test "X$_bash_needmsg" = Xyes; then
+ AC_MSG_RESULT($bash_cv_have_libnsl)
+ _bash_needmsg=
+ fi
+ if test $bash_cv_have_libnsl = yes; then
+ LIBS="-lsocket -lnsl $LIBS"
+ else
+ LIBS="-lsocket $LIBS"
+ fi
+ AC_DEFINE(HAVE_LIBSOCKET)
+ AC_DEFINE(HAVE_GETPEERNAME)
+fi
+])
+
+AC_DEFUN(BASH_STRUCT_DIRENT_D_INO,
+[AC_REQUIRE([AC_HEADER_DIRENT])
+AC_MSG_CHECKING(for struct dirent.d_ino)
+AC_CACHE_VAL(bash_cv_dirent_has_dino,
+[AC_TRY_COMPILE([
+#include <stdio.h>
+#include <sys/types.h>
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif /* HAVE_UNISTD_H */
+#if defined(HAVE_DIRENT_H)
+# include <dirent.h>
+#else
+# define dirent direct
+# ifdef HAVE_SYS_NDIR_H
# include <sys/ndir.h>
# endif /* SYSNDIR */
# ifdef HAVE_SYS_DIR_H
], bash_cv_dirent_has_dino=yes, bash_cv_dirent_has_dino=no)])
AC_MSG_RESULT($bash_cv_dirent_has_dino)
if test $bash_cv_dirent_has_dino = yes; then
-AC_DEFINE(STRUCT_DIRENT_HAS_D_INO)
+AC_DEFINE(HAVE_STRUCT_DIRENT_D_INO)
fi
])
AC_DEFUN(BASH_STRUCT_DIRENT_D_FILENO,
[AC_REQUIRE([AC_HEADER_DIRENT])
-AC_MSG_CHECKING(if struct dirent has a d_fileno member)
+AC_MSG_CHECKING(for struct dirent.d_fileno)
AC_CACHE_VAL(bash_cv_dirent_has_d_fileno,
[AC_TRY_COMPILE([
#include <stdio.h>
], bash_cv_dirent_has_d_fileno=yes, bash_cv_dirent_has_d_fileno=no)])
AC_MSG_RESULT($bash_cv_dirent_has_d_fileno)
if test $bash_cv_dirent_has_d_fileno = yes; then
-AC_DEFINE(STRUCT_DIRENT_HAS_D_FILENO)
+AC_DEFINE(HAVE_STRUCT_DIRENT_D_FILENO)
fi
])
-AC_DEFUN(BASH_REINSTALL_SIGHANDLERS,
-[AC_REQUIRE([AC_TYPE_SIGNAL])
-AC_REQUIRE([BASH_SIGNAL_CHECK])
-AC_MSG_CHECKING([if signal handlers must be reinstalled when invoked])
-AC_CACHE_VAL(bash_cv_must_reinstall_sighandlers,
-[AC_TRY_RUN([
-#include <signal.h>
+AC_DEFUN(BASH_STRUCT_DIRENT_D_NAMLEN,
+[AC_REQUIRE([AC_HEADER_DIRENT])
+AC_MSG_CHECKING(for struct dirent.d_namlen)
+AC_CACHE_VAL(bash_cv_dirent_has_d_namlen,
+[AC_TRY_COMPILE([
+#include <stdio.h>
+#include <sys/types.h>
#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
+# include <unistd.h>
+#endif /* HAVE_UNISTD_H */
+#if defined(HAVE_DIRENT_H)
+# include <dirent.h>
+#else
+# define dirent direct
+# ifdef HAVE_SYS_NDIR_H
+# include <sys/ndir.h>
+# endif /* SYSNDIR */
+# ifdef HAVE_SYS_DIR_H
+# include <sys/dir.h>
+# endif /* SYSDIR */
+# ifdef HAVE_NDIR_H
+# include <ndir.h>
+# endif
+#endif /* HAVE_DIRENT_H */
+],[
+struct dirent d; int z; z = d.d_namlen;
+], bash_cv_dirent_has_d_namlen=yes, bash_cv_dirent_has_d_namlen=no)])
+AC_MSG_RESULT($bash_cv_dirent_has_d_namlen)
+if test $bash_cv_dirent_has_d_namlen = yes; then
+AC_DEFINE(HAVE_STRUCT_DIRENT_D_NAMLEN)
+fi
+])
-typedef RETSIGTYPE sigfunc();
+AC_DEFUN(BASH_STRUCT_TIMEVAL,
+[AC_MSG_CHECKING(for struct timeval in sys/time.h and time.h)
+AC_CACHE_VAL(bash_cv_struct_timeval,
+[AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[#if HAVE_SYS_TIME_H
+ #include <sys/time.h>
+ #endif
+ #include <time.h>
+ ]],
+ [[static struct timeval x; x.tv_sec = x.tv_usec;]]
+ )],
+ bash_cv_struct_timeval=yes,
+ bash_cv_struct_timeval=no)
+])
+AC_MSG_RESULT($bash_cv_struct_timeval)
+if test $bash_cv_struct_timeval = yes; then
+ AC_DEFINE(HAVE_TIMEVAL)
+fi
+])
-int nsigint;
+AC_DEFUN(BASH_STRUCT_TIMEZONE,
+[AC_MSG_CHECKING(for struct timezone in sys/time.h and time.h)
+AC_CACHE_VAL(bash_cv_struct_timezone,
+[
+AC_EGREP_HEADER(struct timezone, sys/time.h,
+ bash_cv_struct_timezone=yes,
+ AC_EGREP_HEADER(struct timezone, time.h,
+ bash_cv_struct_timezone=yes,
+ bash_cv_struct_timezone=no))
+])
+AC_MSG_RESULT($bash_cv_struct_timezone)
+if test $bash_cv_struct_timezone = yes; then
+ AC_DEFINE(HAVE_STRUCT_TIMEZONE)
+fi
+])
-#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);
+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 $bash_cv_struct_winsize_header = termios_h; then
+ AC_MSG_RESULT(termios.h)
+ AC_DEFINE(STRUCT_WINSIZE_IN_TERMIOS)
+else
+ AC_MSG_RESULT(not found)
+fi
+])
+
+dnl Check type of signal routines (posix, 4.2bsd, 4.1bsd or v7)
+AC_DEFUN(BASH_SYS_SIGNAL_VINTAGE,
+[AC_REQUIRE([AC_TYPE_SIGNAL])
+AC_MSG_CHECKING(for type of signal functions)
+AC_CACHE_VAL(bash_cv_signal_vintage,
+[
+ AC_TRY_LINK([#include <signal.h>],[
+ sigset_t ss;
+ struct sigaction sa;
+ sigemptyset(&ss); sigsuspend(&ss);
+ sigaction(SIGINT, &sa, (struct sigaction *) 0);
+ sigprocmask(SIG_BLOCK, &ss, (sigset_t *) 0);
+ ], bash_cv_signal_vintage=posix,
+ [
+ AC_TRY_LINK([#include <signal.h>], [
+ int mask = sigmask(SIGINT);
+ sigsetmask(mask); sigblock(mask); sigpause(mask);
+ ], bash_cv_signal_vintage=4.2bsd,
+ [
+ AC_TRY_LINK([
+ #include <signal.h>
+ RETSIGTYPE foo() { }], [
+ int mask = sigmask(SIGINT);
+ sigset(SIGINT, foo); sigrelse(SIGINT);
+ sighold(SIGINT); sigpause(SIGINT);
+ ], bash_cv_signal_vintage=svr3, bash_cv_signal_vintage=v7
+ )]
+ )]
+)
+])
+AC_MSG_RESULT($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 "$bash_cv_signal_vintage" = svr3; then
+AC_DEFINE(HAVE_USG_SIGHOLD)
+fi
+])
+
+dnl Check if the pgrp of setpgrp() can't be the pid of a zombie process.
+AC_DEFUN(BASH_SYS_PGRP_SYNC,
+[AC_REQUIRE([AC_FUNC_GETPGRP])
+AC_MSG_CHECKING(whether pgrps need synchronization)
+AC_CACHE_VAL(bash_cv_pgrp_pipe,
+[AC_TRY_RUN([
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+#ifdef HAVE_SYS_WAIT_H
+# include <sys/wait.h>
+#endif
+#include <stdlib.h>
+int
+main()
+{
+# ifdef GETPGRP_VOID
+# define getpgID() getpgrp()
+# else
+# define getpgID() getpgrp(0)
+# define setpgid(x,y) setpgrp(x,y)
+# endif
+ int pid1, pid2, fds[2];
+ int status;
+ char ok;
+
+ switch (pid1 = fork()) {
+ case -1:
+ exit(1);
+ case 0:
+ setpgid(0, getpid());
+ exit(0);
+ }
+ setpgid(pid1, pid1);
+
+ sleep(2); /* let first child die */
+
+ if (pipe(fds) < 0)
+ exit(2);
+
+ switch (pid2 = fork()) {
+ case -1:
+ exit(3);
+ case 0:
+ setpgid(0, pid1);
+ ok = getpgID() == pid1;
+ write(fds[1], &ok, 1);
+ exit(0);
+ }
+ setpgid(pid2, pid1);
+
+ close(fds[1]);
+ if (read(fds[0], &ok, 1) != 1)
+ exit(4);
+ wait(&status);
+ wait(&status);
+ exit(ok ? 0 : 5);
+}
+], bash_cv_pgrp_pipe=no,bash_cv_pgrp_pipe=yes,
+ [AC_MSG_WARN(cannot check pgrp synchronization if cross compiling -- defaulting to no)
+ bash_cv_pgrp_pipe=no])
+])
+AC_MSG_RESULT($bash_cv_pgrp_pipe)
+if test $bash_cv_pgrp_pipe = yes; then
+AC_DEFINE(PGRP_PIPE)
+fi
+])
+
+AC_DEFUN(BASH_SYS_REINSTALL_SIGHANDLERS,
+[AC_REQUIRE([AC_TYPE_SIGNAL])
+AC_REQUIRE([BASH_SYS_SIGNAL_VINTAGE])
+AC_MSG_CHECKING([if signal handlers must be reinstalled when invoked])
+AC_CACHE_VAL(bash_cv_must_reinstall_sighandlers,
+[AC_TRY_RUN([
+#include <signal.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#include <stdlib.h>
+
+typedef RETSIGTYPE sigfunc();
+
+volatile int nsigint;
+
+#ifdef HAVE_POSIX_SIGNALS
+sigfunc *
+set_signal_handler(sig, handler)
+ int sig;
+ sigfunc *handler;
+{
+ struct sigaction act, oact;
+ act.sa_handler = handler;
+ act.sa_flags = 0;
+ sigemptyset (&act.sa_mask);
sigemptyset (&oact.sa_mask);
sigaction (sig, &act, &oact);
return (oact.sa_handler);
nsigint++;
}
+int
main()
{
nsigint = 0;
exit(nsigint != 2);
}
], bash_cv_must_reinstall_sighandlers=no, bash_cv_must_reinstall_sighandlers=yes,
-AC_MSG_ERROR(cannot check signal handling if cross compiling))])
+ [AC_MSG_WARN(cannot check signal handling if cross compiling -- defaulting to no)
+ bash_cv_must_reinstall_sighandlers=no]
+)])
AC_MSG_RESULT($bash_cv_must_reinstall_sighandlers)
if test $bash_cv_must_reinstall_sighandlers = yes; then
AC_DEFINE(MUST_REINSTALL_SIGHANDLERS)
fi
])
-AC_DEFUN(BASH_FUNC_SBRK_DECLARED,
-[AC_MSG_CHECKING(for declaration of sbrk in <unistd.h>)
-AC_CACHE_VAL(bash_cv_sbrk_declared,
-[AC_EGREP_HEADER(sbrk, unistd.h,
- bash_cv_sbrk_declared=yes, bash_cv_sbrk_declared=no)])
-AC_MSG_RESULT($bash_cv_sbrk_declared)
-if test $bash_cv_sbrk_declared = yes; then
-AC_DEFINE(SBRK_DECLARED)
-fi
-])
-
dnl check that some necessary job control definitions are present
-AC_DEFUN(BASH_JOB_CONTROL_MISSING,
-[AC_REQUIRE([BASH_SIGNAL_CHECK])
+AC_DEFUN(BASH_SYS_JOB_CONTROL_MISSING,
+[AC_REQUIRE([BASH_SYS_SIGNAL_VINTAGE])
AC_MSG_CHECKING(for presence of necessary job control definitions)
AC_CACHE_VAL(bash_cv_job_control_missing,
-[AC_TRY_RUN([
+[AC_TRY_COMPILE([
#include <sys/types.h>
#ifdef HAVE_SYS_WAIT_H
#include <sys/wait.h>
#endif
#include <signal.h>
-/* Add more tests in here as appropriate. */
-main()
-{
+/* add more tests in here as appropriate */
+
/* signal type */
#if !defined (HAVE_POSIX_SIGNALS) && !defined (HAVE_BSD_SIGNALS)
-exit(1);
+#error
#endif
/* signals and tty control. */
#if !defined (SIGTSTP) || !defined (SIGSTOP) || !defined (SIGCONT)
-exit (1);
+#error
#endif
/* process control */
#if !defined (WNOHANG) || !defined (WUNTRACED)
-exit(1);
+#error
#endif
/* Posix systems have tcgetpgrp and waitpid. */
#if defined (_POSIX_VERSION) && !defined (HAVE_TCGETPGRP)
-exit(1);
+#error
#endif
#if defined (_POSIX_VERSION) && !defined (HAVE_WAITPID)
-exit(1);
+#error
#endif
/* Other systems have TIOCSPGRP/TIOCGPRGP and wait3. */
#if !defined (_POSIX_VERSION) && !defined (HAVE_WAIT3)
-exit(1);
+#error
#endif
-exit(0);
-}],bash_cv_job_control_missing=present, bash_cv_job_control_missing=missing,
- AC_MSG_ERROR(cannot check job control if cross-compiling))
-])
+], , bash_cv_job_control_missing=present, bash_cv_job_control_missing=missing
+)])
AC_MSG_RESULT($bash_cv_job_control_missing)
if test $bash_cv_job_control_missing = missing; then
AC_DEFINE(JOB_CONTROL_MISSING)
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
+#include <stdio.h>
+#include <stdlib.h>
/* Add more tests in here as appropriate. */
+int
main()
{
-int fd;
+int fd, err;
#if defined (HAVE_MKFIFO)
exit (0);
#if defined (NeXT)
exit (1);
#endif
-
-fd = mknod ("/tmp/sh-np-autoconf", 0666 | S_IFIFO, 0);
-if (fd == -1)
+err = mkdir("bash-aclocal", 0700);
+if (err < 0) {
+ perror ("mkdir");
+ exit(1);
+}
+fd = mknod ("bash-aclocal/sh-np-autoconf", 0666 | S_IFIFO, 0);
+if (fd == -1) {
+ rmdir ("bash-aclocal");
exit (1);
+}
close(fd);
-unlink ("/tmp/sh-np-autoconf");
+unlink ("bash-aclocal/sh-np-autoconf");
+rmdir ("bash-aclocal");
exit(0);
-}],bash_cv_sys_named_pipes=present, bash_cv_sys_named_pipes=missing,
- AC_MSG_ERROR(cannot check for named pipes if cross-compiling))
-])
+}], bash_cv_sys_named_pipes=present, bash_cv_sys_named_pipes=missing,
+ [AC_MSG_WARN(cannot check for named pipes if cross-compiling -- defaulting to missing)
+ bash_cv_sys_named_pipes=missing]
+)])
AC_MSG_RESULT($bash_cv_sys_named_pipes)
if test $bash_cv_sys_named_pipes = missing; then
AC_DEFINE(NAMED_PIPES_MISSING)
fi
])
-AC_DEFUN(BASH_FUNC_POSIX_SETJMP,
-[AC_REQUIRE([BASH_SIGNAL_CHECK])
-AC_MSG_CHECKING(for presence of POSIX-style sigsetjmp/siglongjmp)
-AC_CACHE_VAL(bash_cv_func_sigsetjmp,
-[AC_TRY_RUN([
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#include <sys/types.h>
-#include <signal.h>
-#include <setjmp.h>
-
-main()
-{
-#if !defined (_POSIX_VERSION) || !defined (HAVE_POSIX_SIGNALS)
-exit (1);
-#else
-
-int code;
-sigset_t set, oset;
-sigjmp_buf xx;
-
-/* get the mask */
-sigemptyset(&set);
-sigemptyset(&oset);
-sigprocmask(SIG_BLOCK, (sigset_t *)NULL, &set);
-sigprocmask(SIG_BLOCK, (sigset_t *)NULL, &oset);
-
-/* save it */
-code = sigsetjmp(xx, 1);
-if (code)
- exit(0); /* could get sigmask and compare to oset here. */
-
-/* change it */
-sigaddset(&set, SIGINT);
-sigprocmask(SIG_BLOCK, &set, (sigset_t *)NULL);
-
-/* and siglongjmp */
-siglongjmp(xx, 10);
-exit(1);
-#endif
-}],bash_cv_func_sigsetjmp=present, bash_cv_func_sigsetjmp=missing,
- AC_MSG_ERROR(cannot check for sigsetjmp/siglongjmp if cross-compiling))
+AC_DEFUN(BASH_SYS_DEFAULT_MAIL_DIR,
+[AC_MSG_CHECKING(for default mail directory)
+AC_CACHE_VAL(bash_cv_mail_dir,
+[if test -d /var/mail; then
+ bash_cv_mail_dir=/var/mail
+ elif test -d /var/spool/mail; then
+ bash_cv_mail_dir=/var/spool/mail
+ elif test -d /usr/mail; then
+ bash_cv_mail_dir=/usr/mail
+ elif test -d /usr/spool/mail; then
+ bash_cv_mail_dir=/usr/spool/mail
+ else
+ bash_cv_mail_dir=unknown
+ fi
])
-AC_MSG_RESULT($bash_cv_func_sigsetjmp)
-if test $bash_cv_func_sigsetjmp = present; then
-AC_DEFINE(HAVE_POSIX_SIGSETJMP)
-fi
+AC_MSG_RESULT($bash_cv_mail_dir)
+AC_DEFINE_UNQUOTED(DEFAULT_MAIL_DIRECTORY, "$bash_cv_mail_dir")
])
AC_DEFUN(BASH_HAVE_TIOCGWINSZ,
fi
])
-AC_DEFUN(BASH_STRUCT_WINSIZE,
-[AC_MSG_CHECKING(for struct winsize in sys/ioctl.h)
-AC_CACHE_VAL(bash_cv_struct_winsize_in_ioctl,
-[AC_TRY_COMPILE([#include <sys/types.h>
-#include <sys/ioctl.h>], [struct winsize x;],
- bash_cv_struct_winsize_in_ioctl=yes,bash_cv_struct_winsize_in_ioctl=no)])
-AC_MSG_RESULT($bash_cv_struct_winsize_in_ioctl)
-if test $bash_cv_struct_winsize_in_ioctl = yes; then
-AC_DEFINE(STRUCT_WINSIZE_IN_SYS_IOCTL)
-fi
-])
-
AC_DEFUN(BASH_HAVE_TIOCSTAT,
[AC_MSG_CHECKING(for TIOCSTAT in sys/ioctl.h)
AC_CACHE_VAL(bash_cv_tiocstat_in_ioctl,
dnl but you can only get speed_t if you include <termios.h> (on some
dnl versions) or <sys/types.h> (on others).
dnl
-AC_DEFUN(BASH_MISC_SPEED_T,
+AC_DEFUN(BASH_CHECK_SPEED_T,
[AC_MSG_CHECKING(for speed_t in sys/types.h)
AC_CACHE_VAL(bash_cv_speed_t_in_sys_types,
[AC_TRY_COMPILE([#include <sys/types.h>], [speed_t x;],
])
AC_DEFUN(BASH_CHECK_GETPW_FUNCS,
-[AC_MSG_CHECKING(whether programs are able to redeclare getpw functions)
-AC_CACHE_VAL(bash_cv_can_redecl_getpw,
-[AC_TRY_COMPILE([#include <sys/types.h>
+[AC_MSG_CHECKING(whether getpw functions are declared in pwd.h)
+AC_CACHE_VAL(bash_cv_getpw_declared,
+[AC_EGREP_CPP(getpwuid,
+[
+#include <sys/types.h>
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
#include <pwd.h>
-extern struct passwd *getpwent();], [struct passwd *z; z = getpwent();],
- bash_cv_can_redecl_getpw=yes,bash_cv_can_redecl_getpw=no)])
-AC_MSG_RESULT($bash_cv_can_redecl_getpw)
-if test $bash_cv_can_redecl_getpw = no; then
+],
+bash_cv_getpw_declared=yes,bash_cv_getpw_declared=no)])
+AC_MSG_RESULT($bash_cv_getpw_declared)
+if test $bash_cv_getpw_declared = yes; then
AC_DEFINE(HAVE_GETPW_DECLS)
fi
])
AC_DEFUN(BASH_CHECK_DEV_FD,
[AC_MSG_CHECKING(whether /dev/fd is available)
AC_CACHE_VAL(bash_cv_dev_fd,
-[if test -d /dev/fd && test -r /dev/fd/0; then
- bash_cv_dev_fd=standard
- elif test -d /proc/self/fd && test -r /proc/self/fd/0; then
- bash_cv_dev_fd=whacky
- else
- bash_cv_dev_fd=absent
- fi
+[bash_cv_dev_fd=""
+if test -d /dev/fd && (exec test -r /dev/fd/0 < /dev/null) ; then
+# check for systems like FreeBSD 5 that only provide /dev/fd/[012]
+ if (exec test -r /dev/fd/3 3</dev/null) ; then
+ bash_cv_dev_fd=standard
+ else
+ bash_cv_dev_fd=absent
+ fi
+fi
+if test -z "$bash_cv_dev_fd" ; then
+ if test -d /proc/self/fd && (exec test -r /proc/self/fd/0 < /dev/null) ; then
+ bash_cv_dev_fd=whacky
+ else
+ bash_cv_dev_fd=absent
+ fi
+fi
])
AC_MSG_RESULT($bash_cv_dev_fd)
if test $bash_cv_dev_fd = "standard"; then
fi
])
+AC_DEFUN(BASH_CHECK_DEV_STDIN,
+[AC_MSG_CHECKING(whether /dev/stdin stdout stderr are available)
+AC_CACHE_VAL(bash_cv_dev_stdin,
+[if (exec test -r /dev/stdin < /dev/null) ; then
+ bash_cv_dev_stdin=present
+ else
+ bash_cv_dev_stdin=absent
+ fi
+])
+AC_MSG_RESULT($bash_cv_dev_stdin)
+if test $bash_cv_dev_stdin = "present"; then
+ AC_DEFINE(HAVE_DEV_STDIN)
+fi
+])
+
dnl
-dnl Check for the presence of getpeername (the only networking function
-dnl bash currently requires) in libsocket. If libsocket is present,
-dnl check for libnsl and add it to LIBS if it's there, since most
-dnl systems with libsocket require linking with libnsl as well.
-dnl This should only be called if getpeername was not found in libc.
+dnl Check if HPUX needs _KERNEL defined for RLIMIT_* definitions
dnl
-AC_DEFUN(BASH_CHECK_SOCKLIB,
-[
-if test "X$bash_cv_have_socklib" = "X"; then
-_bash_needmsg=
-else
-AC_MSG_CHECKING(for socket library)
-_bash_needmsg=yes
-fi
-AC_CACHE_VAL(bash_cv_have_socklib,
-[AC_CHECK_LIB(socket, getpeername,
- bash_cv_have_socklib=yes, bash_cv_have_socklib=no, -lnsl)])
-if test "X$_bash_needmsg" = Xyes; then
- AC_MSG_RESULT($bash_cv_have_socklib)
- _bash_needmsg=
-fi
-if test $bash_cv_have_socklib = yes; then
- # check for libnsl, add it to LIBS if present
- if test "X$bash_cv_have_libnsl" = "X"; then
- _bash_needmsg=
- else
- AC_MSG_CHECKING(for libnsl)
- _bash_needmsg=yes
- fi
- AC_CACHE_VAL(bash_cv_have_libnsl,
- [AC_CHECK_LIB(nsl, t_open,
- bash_cv_have_libnsl=yes, bash_cv_have_libnsl=no)])
- if test "X$_bash_needmsg" = Xyes; then
- AC_MSG_RESULT($bash_cv_have_libnsl)
- _bash_needmsg=
- fi
- if test $bash_cv_have_libnsl = yes; then
- LIBS="-lsocket -lnsl $LIBS"
- else
- LIBS="-lsocket $LIBS"
- fi
- AC_DEFINE(HAVE_LIBSOCKET)
- AC_DEFINE(HAVE_GETPEERNAME)
-fi
-])
-
-AC_DEFUN(BASH_DEFAULT_MAIL_DIR,
-[AC_MSG_CHECKING(for default mail directory)
-AC_CACHE_VAL(bash_cv_mail_dir,
-[if test -d /var/mail; then
- bash_cv_mail_dir=/var/mail
- elif test -d /usr/mail; then
- bash_cv_mail_dir=/usr/mail
- elif test -d /usr/spool/mail; then
- bash_cv_mail_dir=/usr/spool/mail
- elif test -d /var/spool/mail; then
- bash_cv_mail_dir=/var/spool/mail
- else
- bash_cv_mail_dir=unknown
- fi
-])
-AC_MSG_RESULT($bash_cv_mail_dir)
-if test $bash_cv_mail_dir = "/var/mail"; then
- AC_DEFINE(DEFAULT_MAIL_DIRECTORY, "/var/mail")
-elif test $bash_cv_mail_dir = "/usr/mail"; then
- AC_DEFINE(DEFAULT_MAIL_DIRECTORY, "/usr/mail")
-elif test $bash_cv_mail_dir = "/var/spool/mail"; then
- AC_DEFINE(DEFAULT_MAIL_DIRECTORY, "/var/spool/mail")
-elif test $bash_cv_mail_dir = "/usr/spool/mail"; then
- AC_DEFINE(DEFAULT_MAIL_DIRECTORY, "/usr/spool/mail")
-else
- AC_DEFINE(DEFAULT_MAIL_DIRECTORY, "unknown")
-fi
-])
-
-dnl
-dnl Check if HPUX needs _KERNEL defined for RLIMIT_* definitions
-dnl
-AC_DEFUN(BASH_KERNEL_RLIMIT_CHECK,
+AC_DEFUN(BASH_CHECK_KERNEL_RLIMIT,
[AC_MSG_CHECKING([whether $host_os needs _KERNEL for RLIMIT defines])
AC_CACHE_VAL(bash_cv_kernel_rlimit,
[AC_TRY_COMPILE([
int f;
f = RLIMIT_DATA;
], bash_cv_kernel_rlimit=no,
- [AC_TRY_COMPILE([
- #include <sys/types.h>
- #define _KERNEL
- #include <sys/resource.h>
- #undef _KERNEL
- ],
- [
+[AC_TRY_COMPILE([
+#include <sys/types.h>
+#define _KERNEL
+#include <sys/resource.h>
+#undef _KERNEL
+],
+[
int f;
f = RLIMIT_DATA;
- ], bash_cv_kernel_rlimit=yes, bash_cv_kernel_rlimit=no)]
+], bash_cv_kernel_rlimit=yes, bash_cv_kernel_rlimit=no)]
)])
AC_MSG_RESULT($bash_cv_kernel_rlimit)
if test $bash_cv_kernel_rlimit = yes; then
fi
])
-AC_DEFUN(BASH_FUNC_STRCOLL,
+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 $bash_cv_off_t_64 = yes; then
+ AC_DEFINE(HAVE_OFF_T_64)
+fi])
+
+AC_DEFUN(BASH_CHECK_RTSIGS,
+[AC_MSG_CHECKING(for unusable real-time signals due to large values)
+AC_CACHE_VAL(bash_cv_unusable_rtsigs,
+[AC_TRY_RUN([
+#include <sys/types.h>
+#include <signal.h>
+#include <stdlib.h>
+
+#ifndef NSIG
+# define NSIG 64
+#endif
+
+int
+main ()
+{
+ int n_sigs = 2 * NSIG;
+#ifdef SIGRTMIN
+ int rtmin = SIGRTMIN;
+#else
+ int rtmin = 0;
+#endif
+
+ exit(rtmin < n_sigs);
+}], bash_cv_unusable_rtsigs=yes, bash_cv_unusable_rtsigs=no,
+ [AC_MSG_WARN(cannot check real-time signals if cross compiling -- defaulting to yes)
+ bash_cv_unusable_rtsigs=yes]
+)])
+AC_MSG_RESULT($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
+dnl geez, I wish I didn't have to check for all of this stuff separately
+dnl
+AC_DEFUN(BASH_CHECK_MULTIBYTE,
[
-AC_MSG_CHECKING(whether or not strcoll and strcmp differ)
-AC_CACHE_VAL(bash_cv_func_strcoll_broken,
+AC_CHECK_HEADERS(wctype.h)
+AC_CHECK_HEADERS(wchar.h)
+AC_CHECK_HEADERS(langinfo.h)
+
+AC_CHECK_HEADERS(mbstr.h)
+
+AC_CHECK_FUNC(mbrlen, AC_DEFINE(HAVE_MBRLEN))
+AC_CHECK_FUNC(mbscasecmp, AC_DEFINE(HAVE_MBSCMP))
+AC_CHECK_FUNC(mbscmp, AC_DEFINE(HAVE_MBSCMP))
+AC_CHECK_FUNC(mbsnrtowcs, AC_DEFINE(HAVE_MBSNRTOWCS))
+AC_CHECK_FUNC(mbsrtowcs, AC_DEFINE(HAVE_MBSRTOWCS))
+
+AC_REPLACE_FUNCS(mbschr)
+
+AC_CHECK_FUNC(wcrtomb, AC_DEFINE(HAVE_WCRTOMB))
+AC_CHECK_FUNC(wcscoll, AC_DEFINE(HAVE_WCSCOLL))
+AC_CHECK_FUNC(wcsdup, AC_DEFINE(HAVE_WCSDUP))
+AC_CHECK_FUNC(wcwidth, AC_DEFINE(HAVE_WCWIDTH))
+AC_CHECK_FUNC(wctype, AC_DEFINE(HAVE_WCTYPE))
+
+AC_REPLACE_FUNCS(wcswidth)
+
+dnl checks for both mbrtowc and mbstate_t
+AC_FUNC_MBRTOWC
+if test $ac_cv_func_mbrtowc = yes; then
+ AC_DEFINE(HAVE_MBSTATE_T)
+fi
+
+AC_CHECK_FUNCS(iswlower iswupper towlower towupper iswctype)
+
+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 check for wchar_t in <wchar.h>
+AC_CACHE_CHECK([for wchar_t in wchar.h], bash_cv_type_wchar_t,
+[AC_TRY_COMPILE(
+[#include <wchar.h>
+],
+[
+ wchar_t foo;
+ foo = 0;
+], bash_cv_type_wchar_t=yes, bash_cv_type_wchar_t=no)])
+if test $bash_cv_type_wchar_t = yes; then
+ AC_DEFINE(HAVE_WCHAR_T, 1, [systems should define this type here])
+fi
+
+dnl check for wctype_t in <wctype.h>
+AC_CACHE_CHECK([for wctype_t in wctype.h], bash_cv_type_wctype_t,
+[AC_TRY_COMPILE(
+[#include <wctype.h>],
+[
+ wctype_t foo;
+ foo = 0;
+], bash_cv_type_wctype_t=yes, bash_cv_type_wctype_t=no)])
+if test $bash_cv_type_wctype_t = yes; then
+ AC_DEFINE(HAVE_WCTYPE_T, 1, [systems should define this type here])
+fi
+
+dnl check for wint_t in <wctype.h>
+AC_CACHE_CHECK([for wint_t in wctype.h], bash_cv_type_wint_t,
+[AC_TRY_COMPILE(
+[#include <wctype.h>],
+[
+ wint_t foo;
+ foo = 0;
+], bash_cv_type_wint_t=yes, bash_cv_type_wint_t=no)])
+if test $bash_cv_type_wint_t = yes; then
+ AC_DEFINE(HAVE_WINT_T, 1, [systems should define this type here])
+fi
+
+dnl check for broken wcwidth
+AC_CACHE_CHECK([for wcwidth broken with unicode combining characters],
+bash_cv_wcwidth_broken,
[AC_TRY_RUN([
+#include <unistd.h>
+#include <stdlib.h>
#include <stdio.h>
-#if defined (HAVE_LOCALE_H)
+
#include <locale.h>
-#endif
+#include <wchar.h>
+int
main(c, v)
int c;
-char *v[];
+char **v;
{
- int r1, r2;
- char *deflocale, *defcoll;
+ int w;
+
+ setlocale(LC_ALL, "en_US.UTF-8");
+ w = wcwidth (0x0301);
+ exit (w == 0); /* exit 0 if wcwidth broken */
+}
+],
+bash_cv_wcwidth_broken=yes, bash_cv_wcwidth_broken=no, bash_cv_wcwidth_broken=no)])
+if test "$bash_cv_wcwidth_broken" = yes; then
+ AC_DEFINE(WCWIDTH_BROKEN, 1, [wcwidth is usually not broken])
+fi
+
+if test "$am_cv_func_iconv" = yes; then
+ OLDLIBS="$LIBS"
+ LIBS="$LIBS $LIBINTL $LIBICONV"
+ AC_CHECK_FUNCS(locale_charset)
+ LIBS="$OLDLIBS"
+fi
+
+AC_CHECK_SIZEOF(wchar_t, 4)
+
+])
+
+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${ac_cv_rl_libdir}"
+
+AC_CACHE_VAL(ac_cv_rl_version,
+[AC_TRY_RUN([
+#include <stdio.h>
+#include <readline/readline.h>
+#include <stdlib.h>
+
+extern int rl_gnu_readline_p;
+
+int
+main()
+{
+ FILE *fp;
+ fp = fopen("conftest.rlv", "w");
+ if (fp == 0)
+ exit(1);
+ if (rl_gnu_readline_p != 1)
+ fprintf(fp, "0.0\n");
+ else
+ fprintf(fp, "%s\n", rl_library_version ? rl_library_version : "0.0");
+ fclose(fp);
+ exit(0);
+}
+],
+ac_cv_rl_version=`cat conftest.rlv`,
+ac_cv_rl_version='0.0',
+ac_cv_rl_version='8.0')])
+
+CFLAGS="$_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 $ac_cv_rl_version | sed -e 's:^.*\.::' -e 's:[[a-zA-Z]]*$::'`
+ ;;
+esac
+
+# (((
+case $RL_MAJOR in
+[[0-9][0-9]]) _RL_MAJOR=$RL_MAJOR ;;
+[[0-9]]) _RL_MAJOR=0$RL_MAJOR ;;
+*) _RL_MAJOR=00 ;;
+esac
+
+# (((
+case $RL_MINOR in
+[[0-9][0-9]]) _RL_MINOR=$RL_MINOR ;;
+[[0-9]]) _RL_MINOR=0$RL_MINOR ;;
+*) _RL_MINOR=00 ;;
+esac
+
+RL_VERSION="0x${_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)
+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($ac_cv_rl_version)
+
+fi
+])
+
+AC_DEFUN(BASH_FUNC_CTYPE_NONASCII,
+[
+AC_MSG_CHECKING(whether the ctype macros accept non-ascii characters)
+AC_CACHE_VAL(bash_cv_func_ctype_nonascii,
+[AC_TRY_RUN([
+#ifdef HAVE_LOCALE_H
+#include <locale.h>
+#endif
+#include <stdio.h>
+#include <ctype.h>
+#include <stdlib.h>
+
+int
+main(c, v)
+int c;
+char *v[];
+{
+ char *deflocale;
+ unsigned char x;
+ int r1, r2;
#ifdef HAVE_SETLOCALE
- deflocale = setlocale(LC_ALL, "");
- defcoll = setlocale(LC_COLLATE, "");
+ /* We take a shot here. If that locale is not known, try the
+ system default. We try this one because '\342' (226) is
+ known to be a printable character in that locale. */
+ deflocale = setlocale(LC_ALL, "en_US.ISO8859-1");
+ if (deflocale == 0)
+ deflocale = setlocale(LC_ALL, "");
#endif
-#ifdef HAVE_STRCOLL
- /* These two values are taken from tests/glob-test. */
- r1 = strcoll("abd", "aXd");
+ x = '\342';
+ r1 = isprint(x);
+ x -= 128;
+ r2 = isprint(x);
+ exit (r1 == 0 || r2 == 0);
+}
+], bash_cv_func_ctype_nonascii=yes, bash_cv_func_ctype_nonascii=no,
+ [AC_MSG_WARN(cannot check ctype macros if cross compiling -- defaulting to no)
+ bash_cv_func_ctype_nonascii=no]
+)])
+AC_MSG_RESULT($bash_cv_func_ctype_nonascii)
+if test $bash_cv_func_ctype_nonascii = yes; then
+AC_DEFINE(CTYPE_NON_ASCII)
+fi
+])
+
+AC_DEFUN(BASH_CHECK_WCONTINUED,
+[
+AC_MSG_CHECKING(whether WCONTINUED flag to waitpid is unavailable or available but broken)
+AC_CACHE_VAL(bash_cv_wcontinued_broken,
+[AC_TRY_RUN([
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include <errno.h>
+#include <stdlib.h>
+
+#ifndef errno
+extern int errno;
+#endif
+int
+main()
+{
+ int x;
+
+ x = waitpid(-1, (int *)0, WNOHANG|WCONTINUED);
+ if (x == -1 && errno == EINVAL)
+ exit (1);
+ else
+ exit (0);
+}
+], bash_cv_wcontinued_broken=no,bash_cv_wcontinued_broken=yes,
+ [AC_MSG_WARN(cannot check WCONTINUED if cross compiling -- defaulting to no)
+ bash_cv_wcontinued_broken=no]
+)])
+AC_MSG_RESULT($bash_cv_wcontinued_broken)
+if test $bash_cv_wcontinued_broken = yes; then
+AC_DEFINE(WCONTINUED_BROKEN)
+fi
+])
+
+dnl
+dnl tests added for bashdb
+dnl
+
+
+AC_DEFUN([AM_PATH_LISPDIR],
+ [AC_ARG_WITH(lispdir, AC_HELP_STRING([--with-lispdir], [override the default lisp directory]),
+ [ lispdir="$withval"
+ AC_MSG_CHECKING([where .elc files should go])
+ AC_MSG_RESULT([$lispdir])],
+ [
+ # If set to t, that means we are running in a shell under Emacs.
+ # If you have an Emacs named "t", then use the full path.
+ test x"$EMACS" = xt && EMACS=
+ AC_CHECK_PROGS(EMACS, emacs xemacs, no)
+ if test $EMACS != "no"; then
+ if test x${lispdir+set} != xset; then
+ AC_CACHE_CHECK([where .elc files should go], [am_cv_lispdir], [dnl
+ am_cv_lispdir=`$EMACS -batch -q -eval '(while load-path (princ (concat (car load-path) "\n")) (setq load-path (cdr load-path)))' | sed -n -e 's,/$,,' -e '/.*\/lib\/\(x\?emacs\/site-lisp\)$/{s,,${libdir}/\1,;p;q;}' -e '/.*\/share\/\(x\?emacs\/site-lisp\)$/{s,,${datadir}/\1,;p;q;}'`
+ if test -z "$am_cv_lispdir"; then
+ am_cv_lispdir='${datadir}/emacs/site-lisp'
+ fi
+ ])
+ lispdir="$am_cv_lispdir"
+ fi
+ fi
+ ])
+ AC_SUBST(lispdir)
+])
+
+dnl From gnulib
+AC_DEFUN([BASH_FUNC_FPURGE],
+[
+ AC_CHECK_FUNCS_ONCE([fpurge])
+ AC_CHECK_FUNCS_ONCE([__fpurge])
+ AC_CHECK_DECLS([fpurge], , , [#include <stdio.h>])
+])
+
+AC_DEFUN([BASH_FUNC_SNPRINTF],
+[
+ AC_CHECK_FUNCS_ONCE([snprintf])
+ if test X$ac_cv_func_snprintf = Xyes; then
+ AC_CACHE_CHECK([for standard-conformant snprintf], [bash_cv_func_snprintf],
+ [AC_TRY_RUN([
+#include <stdio.h>
+#include <stdlib.h>
+
+int
+main()
+{
+ int n;
+ n = snprintf (0, 0, "%s", "0123456");
+ exit(n != 7);
+}
+], bash_cv_func_snprintf=yes, bash_cv_func_snprintf=no,
+ [AC_MSG_WARN([cannot check standard snprintf if cross-compiling])
+ bash_cv_func_snprintf=yes]
+)])
+ if test $bash_cv_func_snprintf = no; then
+ ac_cv_func_snprintf=no
+ fi
+ fi
+ if test $ac_cv_func_snprintf = no; then
+ AC_DEFINE(HAVE_SNPRINTF, 0,
+ [Define if you have a standard-conformant snprintf function.])
+ fi
+])
+
+AC_DEFUN([BASH_FUNC_VSNPRINTF],
+[
+ AC_CHECK_FUNCS_ONCE([vsnprintf])
+ if test X$ac_cv_func_vsnprintf = Xyes; then
+ AC_CACHE_CHECK([for standard-conformant vsnprintf], [bash_cv_func_vsnprintf],
+ [AC_TRY_RUN([
+#if HAVE_STDARG_H
+#include <stdarg.h>
#else
- r1 = 0;
+#include <varargs.h>
#endif
- r2 = strcmp("abd", "aXd");
+#include <stdio.h>
+#include <stdlib.h>
- /* 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. */
+static int
+#if HAVE_STDARG_H
+foo(const char *fmt, ...)
+#else
+foo(format, va_alist)
+ const char *format;
+ va_dcl
+#endif
+{
+ va_list args;
+ int n;
- /* 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);
+#if HAVE_STDARG_H
+ va_start(args, fmt);
+#else
+ va_start(args);
+#endif
+ n = vsnprintf(0, 0, fmt, args);
+ va_end (args);
+ return n;
}
-], bash_cv_func_strcoll_broken=yes, bash_cv_func_strcoll_broken=no,
- AC_MSG_ERROR(cannot check strcoll if cross compiling))
+
+int
+main()
+{
+ int n;
+ n = foo("%s", "0123456");
+ exit(n != 7);
+}
+], bash_cv_func_vsnprintf=yes, bash_cv_func_vsnprintf=no,
+ [AC_MSG_WARN([cannot check standard vsnprintf if cross-compiling])
+ bash_cv_func_vsnprintf=yes]
+)])
+ if test $bash_cv_func_vsnprintf = no; then
+ ac_cv_func_vsnprintf=no
+ fi
+ fi
+ if test $ac_cv_func_vsnprintf = no; then
+ AC_DEFINE(HAVE_VSNPRINTF, 0,
+ [Define if you have a standard-conformant vsnprintf function.])
+ fi
])
-AC_MSG_RESULT($bash_cv_func_strcoll_broken)
-if test $bash_cv_func_strcoll_broken = yes; then
-AC_DEFINE(STRCOLL_BROKEN)
+
+AC_DEFUN(BASH_STRUCT_WEXITSTATUS_OFFSET,
+[AC_MSG_CHECKING(for offset of exit status in return status from wait)
+AC_CACHE_VAL(bash_cv_wexitstatus_offset,
+[AC_TRY_RUN([
+#include <stdlib.h>
+#include <unistd.h>
+
+#include <sys/wait.h>
+
+int
+main(c, v)
+ int c;
+ char **v;
+{
+ pid_t pid, p;
+ int s, i, n;
+
+ s = 0;
+ pid = fork();
+ if (pid == 0)
+ exit (42);
+
+ /* wait for the process */
+ p = wait(&s);
+ if (p != pid)
+ exit (255);
+
+ /* crack s */
+ for (i = 0; i < (sizeof(s) * 8); i++)
+ {
+ n = (s >> i) & 0xff;
+ if (n == 42)
+ exit (i);
+ }
+
+ exit (254);
+}
+], bash_cv_wexitstatus_offset=0, bash_cv_wexitstatus_offset=$?,
+ [AC_MSG_WARN(cannot check WEXITSTATUS offset if cross compiling -- defaulting to 0)
+ bash_cv_wexitstatus_offset=0]
+)])
+if test "$bash_cv_wexitstatus_offset" -gt 32 ; then
+ AC_MSG_WARN(bad exit status from test program -- defaulting to 0)
+ bash_cv_wexitstatus_offset=0
+fi
+AC_MSG_RESULT($bash_cv_wexitstatus_offset)
+AC_DEFINE_UNQUOTED([WEXITSTATUS_OFFSET], [$bash_cv_wexitstatus_offset], [Offset of exit status in wait status word])
+])
+
+AC_DEFUN([BASH_FUNC_SBRK],
+[
+ AC_MSG_CHECKING([for sbrk])
+ AC_CACHE_VAL(ac_cv_func_sbrk,
+ [AC_TRY_LINK([#include <unistd.h>],
+ [ void *x = sbrk (4096); ],
+ ac_cv_func_sbrk=yes, ac_cv_func_sbrk=no)])
+ AC_MSG_RESULT($ac_cv_func_sbrk)
+ if test X$ac_cv_func_sbrk = Xyes; then
+ AC_CACHE_CHECK([for working sbrk], [bash_cv_func_sbrk],
+ [AC_TRY_RUN([
+#include <stdlib.h>
+#include <unistd.h>
+
+int
+main(int c, char **v)
+{
+ void *x;
+
+ x = sbrk (4096);
+ exit ((x == (void *)-1) ? 1 : 0);
+}
+], bash_cv_func_sbrk=yes, bash_cv_func_snprintf=sbrk,
+ [AC_MSG_WARN([cannot check working sbrk if cross-compiling])
+ bash_cv_func_sbrk=yes]
+)])
+ if test $bash_cv_func_sbrk = no; then
+ ac_cv_func_sbrk=no
+ fi
+ fi
+ if test $ac_cv_func_sbrk = yes; then
+ AC_DEFINE(HAVE_SBRK, 1,
+ [Define if you have a working sbrk function.])
+ fi
+])
+
+AC_DEFUN(BASH_FUNC_FNMATCH_EQUIV_FALLBACK,
+[AC_MSG_CHECKING(whether fnmatch can be used to check bracket equivalence classes)
+AC_CACHE_VAL(bash_cv_fnmatch_equiv_fallback,
+[AC_TRY_RUN([
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <fnmatch.h>
+#include <locale.h>
+
+char *pattern = "[[=a=]]";
+
+/* char *string = "รค"; */
+unsigned char string[4] = { '\xc3', '\xa4', '\0' };
+
+int
+main (int c, char **v)
+{
+ setlocale (LC_ALL, "en_US.UTF-8");
+ if (fnmatch (pattern, (const char *)string, 0) != FNM_NOMATCH)
+ exit (0);
+ exit (1);
+}
+
+], bash_cv_fnmatch_equiv_fallback=yes, bash_cv_fnmatch_equiv_fallback=no,
+ [AC_MSG_WARN(cannot check fnmatch if cross compiling -- defaulting to no)
+ bash_cv_fnmatch_equiv_fallback=no]
+)])
+AC_MSG_RESULT($bash_cv_fnmatch_equiv_fallback)
+if test "$bash_cv_fnmatch_equiv_fallback" = "yes" ; then
+ bash_cv_fnmatch_equiv_value=1
+else
+ bash_cv_fnmatch_equiv_value=0
fi
+AC_DEFINE_UNQUOTED([FNMATCH_EQUIV_FALLBACK], [$bash_cv_fnmatch_equiv_value], [Whether fnmatch can be used for bracket equivalence classes])
])
projects / thirdparty / bash.git / blobdiff