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([
-#include <stdlib.h>
-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 $ac_cv_c_long_long = yes; then
- AC_DEFINE(HAVE_LONG_LONG, 1, [Define if the `long long' type works.])
-fi
-])
-
+dnl Copyright (C) 1987-2021 Free Software Foundation, Inc.
dnl
-dnl This is very similar to AC_C_LONG_DOUBLE, with the fix for IRIX
-dnl (< changed to <=) added.
-dnl
-AC_DEFUN(BASH_C_LONG_DOUBLE,
-[AC_CACHE_CHECK(for long double, ac_cv_c_long_double,
-[if test "$GCC" = yes; then
- ac_cv_c_long_double=yes
-else
-AC_TRY_RUN([
-#include <stdlib.h>
-int
-main()
-{
- /* 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
AC_DEFUN(BASH_CHECK_DECL,
[
AC_REQUIRE([BASH_HEADER_INTTYPES])
-AC_CACHE_CHECK([for declaration of $1], bash_cv_decl_$1,
-[AC_TRY_LINK(
-[
-#if HAVE_STDLIB_H
-# 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_CHECK_DECLS([$1])
])
AC_DEFUN(BASH_DECL_PRINTF,
[AC_MSG_CHECKING(for declaration of printf in <stdio.h>)
AC_CACHE_VAL(bash_cv_printf_declared,
-[AC_TRY_RUN([
+[AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <stdio.h>
#ifdef __STDC__
typedef int (*_bashfunc)(const char *, ...);
pf = (_bashfunc) printf;
exit(pf == 0);
}
-], bash_cv_printf_declared=yes, bash_cv_printf_declared=no,
+]])], [bash_cv_printf_declared=yes], [bash_cv_printf_declared=no],
[AC_MSG_WARN(cannot check printf declaration if cross compiling -- defaulting to yes)
bash_cv_printf_declared=yes]
)])
AC_DEFUN(BASH_DECL_UNDER_SYS_SIGLIST,
[AC_MSG_CHECKING([for _sys_siglist in signal.h or unistd.h])
AC_CACHE_VAL(bash_cv_decl_under_sys_siglist,
-[AC_TRY_COMPILE([
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <sys/types.h>
#include <signal.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
-#endif], [ char *msg = _sys_siglist[2]; ],
- bash_cv_decl_under_sys_siglist=yes, bash_cv_decl_under_sys_siglist=no,
+#endif]], [[ char *msg = _sys_siglist[2]; ]])],
+ [bash_cv_decl_under_sys_siglist=yes], [bash_cv_decl_under_sys_siglist=no],
[AC_MSG_WARN(cannot check for _sys_siglist[] if cross compiling -- defaulting to no)])])dnl
AC_MSG_RESULT($bash_cv_decl_under_sys_siglist)
if test $bash_cv_decl_under_sys_siglist = yes; then
[AC_REQUIRE([BASH_DECL_UNDER_SYS_SIGLIST])
AC_MSG_CHECKING([for _sys_siglist in system C library])
AC_CACHE_VAL(bash_cv_under_sys_siglist,
-[AC_TRY_RUN([
+[AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <sys/types.h>
#include <signal.h>
#ifdef HAVE_UNISTD_H
{
char *msg = (char *)_sys_siglist[2];
exit(msg == 0);
-}],
- bash_cv_under_sys_siglist=yes, bash_cv_under_sys_siglist=no,
+}
+]])],
+ [bash_cv_under_sys_siglist=yes], [bash_cv_under_sys_siglist=no],
[AC_MSG_WARN(cannot check for _sys_siglist[] if cross compiling -- defaulting to no)
- bash_cv_under_sys_siglist=no])])
+ bash_cv_under_sys_siglist=no]
+)])
AC_MSG_RESULT($bash_cv_under_sys_siglist)
if test $bash_cv_under_sys_siglist = yes; then
AC_DEFINE(HAVE_UNDER_SYS_SIGLIST)
[AC_REQUIRE([BASH_DECL_SYS_SIGLIST])
AC_MSG_CHECKING([for sys_siglist in system C library])
AC_CACHE_VAL(bash_cv_sys_siglist,
-[AC_TRY_RUN([
+[AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <sys/types.h>
#include <signal.h>
#ifdef HAVE_UNISTD_H
{
char *msg = sys_siglist[2];
exit(msg == 0);
-}],
- bash_cv_sys_siglist=yes, bash_cv_sys_siglist=no,
+}
+]])], [bash_cv_sys_siglist=yes], [bash_cv_sys_siglist=no],
[AC_MSG_WARN(cannot check for sys_siglist if cross compiling -- defaulting to no)
- bash_cv_sys_siglist=no])])
+ bash_cv_sys_siglist=no]
+)])
AC_MSG_RESULT($bash_cv_sys_siglist)
if test $bash_cv_sys_siglist = yes; then
AC_DEFINE(HAVE_SYS_SIGLIST)
AC_DEFUN(BASH_SYS_ERRLIST,
[AC_MSG_CHECKING([for sys_errlist and sys_nerr])
AC_CACHE_VAL(bash_cv_sys_errlist,
-[AC_TRY_LINK([#include <errno.h>],
-[extern char *sys_errlist[];
- extern int sys_nerr;
- char *msg = sys_errlist[sys_nerr - 1];],
- bash_cv_sys_errlist=yes, bash_cv_sys_errlist=no)])dnl
+[AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+#include <errno.h>
+]],[[
+extern char *sys_errlist[];
+extern int sys_nerr;
+char *msg = sys_errlist[sys_nerr - 1];
+]] )],
+[bash_cv_sys_errlist=yes], [bash_cv_sys_errlist=no]
+)])
AC_MSG_RESULT($bash_cv_sys_errlist)
if test $bash_cv_sys_errlist = yes; then
AC_DEFINE(HAVE_SYS_ERRLIST)
AC_DEFUN(BASH_FUNC_DUP2_CLOEXEC_CHECK,
[AC_MSG_CHECKING(if dup2 fails to clear the close-on-exec flag)
AC_CACHE_VAL(bash_cv_dup2_broken,
-[AC_TRY_RUN([
+[AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <sys/types.h>
#include <fcntl.h>
#include <stdlib.h>
/* fl will be 1 if dup2 did not reset the close-on-exec flag. */
exit(fl != 1);
}
-], bash_cv_dup2_broken=yes, bash_cv_dup2_broken=no,
+]])], [bash_cv_dup2_broken=yes], [bash_cv_dup2_broken=no],
[AC_MSG_WARN(cannot check dup2 if cross compiling -- defaulting to no)
- bash_cv_dup2_broken=no])
-])
+ bash_cv_dup2_broken=no]
+)])
AC_MSG_RESULT($bash_cv_dup2_broken)
if test $bash_cv_dup2_broken = yes; then
AC_DEFINE(DUP2_BROKEN)
AC_DEFUN(BASH_FUNC_STRSIGNAL,
[AC_MSG_CHECKING([for the existence of strsignal])
AC_CACHE_VAL(bash_cv_have_strsignal,
-[AC_TRY_LINK([#include <sys/types.h>
+[AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM([[#include <sys/types.h>
#include <signal.h>
-#include <string.h>],
-[char *s = (char *)strsignal(2);],
- bash_cv_have_strsignal=yes, bash_cv_have_strsignal=no)])
+#include <string.h>]],
+[[char *s = (char *)strsignal(2);]])],
+ [bash_cv_have_strsignal=yes], [bash_cv_have_strsignal=no])])
AC_MSG_RESULT($bash_cv_have_strsignal)
if test $bash_cv_have_strsignal = yes; then
AC_DEFINE(HAVE_STRSIGNAL)
[AC_REQUIRE([AC_HEADER_DIRENT])dnl
AC_MSG_CHECKING(if opendir() opens non-directories)
AC_CACHE_VAL(bash_cv_opendir_not_robust,
-[AC_TRY_RUN([
+[AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <stdio.h>
#include <sys/types.h>
#include <fcntl.h>
unlink("bash-aclocal/not_a_directory");
rmdir("bash-aclocal");
exit (dir == 0);
-}], bash_cv_opendir_not_robust=yes,bash_cv_opendir_not_robust=no,
+}
+]])], [bash_cv_opendir_not_robust=yes], [bash_cv_opendir_not_robust=no],
[AC_MSG_WARN(cannot check opendir if cross compiling -- defaulting to no)
bash_cv_opendir_not_robust=no]
)])
fi
])
-dnl
-AC_DEFUN(BASH_TYPE_SIGHANDLER,
-[AC_MSG_CHECKING([whether signal handlers are of type void])
-AC_CACHE_VAL(bash_cv_void_sighandler,
-[AC_TRY_COMPILE([#include <sys/types.h>
-#include <signal.h>
-#ifdef signal
-#undef signal
-#endif
-#ifdef __cplusplus
-extern "C"
-#endif
-void (*signal ()) ();],
-[int i;], bash_cv_void_sighandler=yes, bash_cv_void_sighandler=no)])dnl
-AC_MSG_RESULT($bash_cv_void_sighandler)
-if test $bash_cv_void_sighandler = yes; then
-AC_DEFINE(VOID_SIGHANDLER)
-fi
-])
-
dnl
dnl A signed 16-bit integer quantity
dnl
fi
])
-AC_DEFUN(BASH_TYPE_LONG_LONG,
-[
-AC_CACHE_CHECK([for long long], bash_cv_type_long_long,
-[AC_TRY_LINK([
-long long ll = 1; int i = 63;],
-[
-long long llm = (long long) -1;
-return ll << i | ll >> i | llm / ll | llm % ll;
-], bash_cv_type_long_long='long long', bash_cv_type_long_long='long')])
-if test "$bash_cv_type_long_long" = 'long long'; then
- AC_DEFINE(HAVE_LONG_LONG, 1)
-fi
+AC_DEFUN(BASH_SIZEOF_RLIMIT,
+[AC_MSG_CHECKING(for size of struct rlimit fields)
+AC_CACHE_VAL(bash_cv_sizeof_rlim_cur,
+[AC_RUN_IFELSE([AC_LANG_SOURCE([[
+#ifdef HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+#include <stdlib.h>
+#include <sys/resource.h>
+main()
+{
+struct rlimit r;
+exit(sizeof (r.rlim_cur));
+}
+]])], [bash_cv_sizeof_rlim_cur=$?], [bash_cv_sizeof_rlim_cur=$?],
+ [AC_MSG_WARN(cannot check size of rlimit fields if cross compiling -- defaulting to long)
+ bash_cv_sizeof_rlim_cur=$ac_cv_sizeof_long]
+)])
+AC_MSG_RESULT($bash_cv_sizeof_rlim_cur)
])
-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 "$bash_cv_type_unsigned_long_long" = 'unsigned long long'; then
- AC_DEFINE(HAVE_UNSIGNED_LONG_LONG, 1)
-fi
+AC_DEFUN(BASH_SIZEOF_QUAD_T,
+[AC_MSG_CHECKING(for size of quad_t)
+AC_CACHE_VAL(bash_cv_sizeof_quad_t,
+[AC_RUN_IFELSE([AC_LANG_SOURCE([[
+#include <sys/types.h>
+#include <stdlib.h>
+#if HAVE_INTTYPES_H
+#include <inttypes.h>
+#endif
+#if HAVE_STDINT_H
+#include <stdint.h>
+#endif
+
+main()
+{
+#if HAVE_QUAD_T
+quad_t x;
+exit(sizeof (x));
+#else
+exit (0);
+#endif
+}
+]])], [bash_cv_sizeof_quad_t=$?], [bash_cv_sizeof_quad_t=$?],
+ [AC_MSG_WARN(cannot check size of quad_t if cross compiling -- defaulting to 0)
+ bash_cv_sizeof_quad_t=0]
+)])
+AC_MSG_RESULT($bash_cv_sizeof_quad_t)
])
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 Type of struct rlimit fields: updated to check POSIX rlim_t and
+dnl if it doesn't exist determine the best guess based on sizeof(r.rlim_cur)
dnl
AC_DEFUN(BASH_TYPE_RLIMIT,
-[AC_MSG_CHECKING(for size and type of struct rlimit fields)
+[AC_MSG_CHECKING(for 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([
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#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)
+#include <sys/resource.h>]],
+[[rlim_t xxx;]]
+)],
+ [bash_cv_type_rlimit=rlim_t], [
+BASH_SIZEOF_RLIMIT
+BASH_SIZEOF_QUAD_T
+if test $bash_cv_sizeof_rlim_cur = $ac_cv_sizeof_long; then
+ bash_cv_type_rlimit='unsigned long'
+elif test $bash_cv_sizeof_rlim_cur = $ac_cv_sizeof_long_long; then
+ bash_cv_type_rlimit='unsigned long long'
+elif test $bash_cv_sizeof_rlim_cur = $ac_cv_sizeof_int; then
+ bash_cv_type_rlimit='unsigned int'
+elif test $bash_cv_sizeof_rlim_cur = $bash_cv_sizeof_quad_t; then
+ bash_cv_type_rlimit='quad_t'
+else
+ bash_cv_type_rlimit='unsigned long'
fi
+]
+)])
+AC_MSG_RESULT($bash_cv_type_rlimit)
+AC_DEFINE_UNQUOTED([RLIMTYPE], [$bash_cv_type_rlimit])
])
AC_DEFUN(BASH_TYPE_SIG_ATOMIC_T,
[AC_CACHE_CHECK([for sig_atomic_t in signal.h], ac_cv_have_sig_atomic_t,
-[AC_TRY_LINK([
-#include <signal.h>
-],[ sig_atomic_t x; ],
-ac_cv_have_sig_atomic_t=yes, ac_cv_have_sig_atomic_t=no)])
+[AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[ #include <signal.h> ]],
+ [[ sig_atomic_t x; ]])],
+ [ac_cv_have_sig_atomic_t=yes],[ac_cv_have_sig_atomic_t=no])])
if test "$ac_cv_have_sig_atomic_t" = "no"
then
- AC_CHECK_TYPE(sig_atomic_t,int)
+ BASH_CHECK_TYPE(sig_atomic_t, [#include <signal.h>], int)
fi
])
[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)])
+[AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM([[
+ #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([
+[AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#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)])
+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_DEFUN(BASH_FUNC_GETENV,
[AC_MSG_CHECKING(to see if getenv can be redefined)
AC_CACHE_VAL(bash_cv_getenv_redef,
-[AC_TRY_RUN([
+[AC_RUN_IFELSE([AC_LANG_SOURCE([[
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
s = getenv("ABCDE");
exit(s == 0); /* force optimizer to leave getenv in */
}
-], bash_cv_getenv_redef=yes, bash_cv_getenv_redef=no,
+]])], [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_REQUIRE([AC_C_PROTOTYPES])
AC_CACHE_CHECK([for standard-conformant putenv declaration], bash_cv_std_putenv,
-[AC_TRY_LINK([
+[AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#if HAVE_STDLIB_H
#include <stdlib.h>
#endif
#else
extern int putenv ();
#endif
-],
-[return (putenv == 0);],
-bash_cv_std_putenv=yes, bash_cv_std_putenv=no
+]], [[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)
[
AC_REQUIRE([AC_C_PROTOTYPES])
AC_CACHE_CHECK([for standard-conformant unsetenv declaration], bash_cv_std_unsetenv,
-[AC_TRY_LINK([
+[AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#if HAVE_STDLIB_H
#include <stdlib.h>
#endif
#else
extern int unsetenv ();
#endif
-],
-[return (unsetenv == 0);],
-bash_cv_std_unsetenv=yes, bash_cv_std_unsetenv=no
+]], [[return (unsetenv == 0);]] )],
+[bash_cv_std_unsetenv=yes], [bash_cv_std_unsetenv=no]
)])
if test $bash_cv_std_unsetenv = yes; then
AC_DEFINE(HAVE_STD_UNSETENV)
AC_DEFUN(BASH_FUNC_ULIMIT_MAXFDS,
[AC_MSG_CHECKING(whether ulimit can substitute for getdtablesize)
AC_CACHE_VAL(bash_cv_ulimit_maxfds,
-[AC_TRY_RUN([
+[AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <stdlib.h>
#ifdef HAVE_ULIMIT_H
#include <ulimit.h>
long maxfds = ulimit(4, 0L);
exit (maxfds == -1L);
}
-], bash_cv_ulimit_maxfds=yes, bash_cv_ulimit_maxfds=no,
+]])], [bash_cv_ulimit_maxfds=yes], [bash_cv_ulimit_maxfds=no],
[AC_MSG_WARN(cannot check ulimit if cross compiling -- defaulting to no)
bash_cv_ulimit_maxfds=no]
)])
AC_DEFUN(BASH_FUNC_GETCWD,
[AC_MSG_CHECKING([if getcwd() will dynamically allocate memory with 0 size])
AC_CACHE_VAL(bash_cv_getcwd_malloc,
-[AC_TRY_RUN([
+[AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <stdio.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
xpwd = getcwd(0, 0);
exit (xpwd == 0);
}
-], bash_cv_getcwd_malloc=yes, bash_cv_getcwd_malloc=no,
+]])], [bash_cv_getcwd_malloc=yes], [bash_cv_getcwd_malloc=no],
[AC_MSG_WARN(cannot check whether getcwd allocates memory when cross-compiling -- defaulting to no)
bash_cv_getcwd_malloc=no]
)])
dnl
dnl This needs BASH_CHECK_SOCKLIB, but since that's not called on every
-dnl system, we can't use AC_PREREQ
+dnl system, we can't use AC_PREREQ. Only called if we need the socket library
dnl
AC_DEFUN(BASH_FUNC_GETHOSTBYNAME,
[if test "X$bash_cv_have_gethostbyname" = "X"; then
_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)]
-)
+[AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+#include <netdb.h>
+]], [[
+struct hostent *hp;
+hp = gethostbyname("localhost");
+]] )],
+[bash_cv_have_gethostbyname=yes], [bash_cv_have_gethostbyname=no]
+)])
if test "X$_bash_needmsg" = Xyes; then
AC_MSG_CHECKING(for gethostbyname in socket library)
fi
AC_DEFUN(BASH_FUNC_FNMATCH_EXTMATCH,
[AC_MSG_CHECKING(if fnmatch does extended pattern matching with FNM_EXTMATCH)
AC_CACHE_VAL(bash_cv_fnm_extmatch,
-[AC_TRY_RUN([
+[AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <fnmatch.h>
int
return (1);
#endif
}
-], bash_cv_fnm_extmatch=yes, bash_cv_fnm_extmatch=no,
+]])], [bash_cv_fnm_extmatch=yes], [bash_cv_fnm_extmatch=no],
[AC_MSG_WARN(cannot check FNM_EXTMATCH if cross compiling -- defaulting to no)
- bash_cv_fnm_extmatch=no])
-])
+ bash_cv_fnm_extmatch=no]
+)])
AC_MSG_RESULT($bash_cv_fnm_extmatch)
if test $bash_cv_fnm_extmatch = yes; then
AC_DEFINE(HAVE_LIBC_FNM_EXTMATCH)
[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([
+[AC_RUN_IFELSE([AC_LANG_SOURCE([[
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#else
int code;
-sigset_t set, oset;
+sigset_t set, oset, nset;
sigjmp_buf xx;
/* get the mask */
sigemptyset(&set);
sigemptyset(&oset);
-sigprocmask(SIG_BLOCK, (sigset_t *)NULL, &set);
+
sigprocmask(SIG_BLOCK, (sigset_t *)NULL, &oset);
+/* paranoia -- make sure SIGINT is not blocked */
+sigdelset (&oset, SIGINT);
+sigprocmask (SIG_SETMASK, &oset, (sigset_t *)NULL);
/* save it */
code = sigsetjmp(xx, 1);
if (code)
- exit(0); /* could get sigmask and compare to oset here. */
+{
+ sigprocmask(SIG_BLOCK, (sigset_t *)NULL, &nset);
+ /* could compare nset to oset here, but we just look for SIGINT */
+ if (sigismember (&nset, SIGINT))
+ exit(1);
+ exit(0);
+}
-/* change it */
+/* change it so that SIGINT is blocked */
sigaddset(&set, SIGINT);
sigprocmask(SIG_BLOCK, &set, (sigset_t *)NULL);
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]
+}
+]])], [bash_cv_func_sigsetjmp=present], [bash_cv_func_sigsetjmp=missing],
+ [AC_MSG_WARN(cannot check for sigsetjmp/siglongjmp if cross-compiling -- defaulting to $bash_cv_posix_signals)
+ if test "$bash_cv_posix_signals" = "yes" ; then
+ bash_cv_func_sigsetjmp=present
+ else
+ bash_cv_func_sigsetjmp=missing
+ fi]
)])
AC_MSG_RESULT($bash_cv_func_sigsetjmp)
if test $bash_cv_func_sigsetjmp = present; then
])
AC_DEFUN(BASH_FUNC_STRCOLL,
-[
-AC_MSG_CHECKING(whether or not strcoll and strcmp differ)
+[AC_MSG_CHECKING(whether or not strcoll and strcmp differ)
AC_CACHE_VAL(bash_cv_func_strcoll_broken,
-[AC_TRY_RUN([
+[AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <stdio.h>
#if defined (HAVE_LOCALE_H)
#include <locale.h>
in the default locale. */
exit (r1 > 0 && r2 > 0);
}
-], bash_cv_func_strcoll_broken=yes, bash_cv_func_strcoll_broken=no,
+]])], [bash_cv_func_strcoll_broken=yes], [bash_cv_func_strcoll_broken=no],
[AC_MSG_WARN(cannot check strcoll if cross compiling -- defaulting to no)
bash_cv_func_strcoll_broken=no]
)])
AC_DEFUN(BASH_FUNC_PRINTF_A_FORMAT,
[AC_MSG_CHECKING([for printf floating point output in hex notation])
AC_CACHE_VAL(bash_cv_printf_a_format,
-[AC_TRY_RUN([
+[AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
sprintf(abuf, "%A", y);
exit(strchr(abuf, 'P') == (char *)0);
}
-], bash_cv_printf_a_format=yes, bash_cv_printf_a_format=no,
+]])], [bash_cv_printf_a_format=yes], [bash_cv_printf_a_format=no],
[AC_MSG_WARN(cannot check printf if cross compiling -- defaulting to no)
bash_cv_printf_a_format=no]
)])
[
AC_MSG_CHECKING([for struct stat.st_blocks])
AC_CACHE_VAL(bash_cv_struct_stat_st_blocks,
-[AC_TRY_COMPILE(
-[
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <sys/types.h>
#include <sys/stat.h>
-],
-[
+]], [[
int
main()
{
if (a.st_blocks) return 0;
return 0;
}
-], bash_cv_struct_stat_st_blocks=yes, bash_cv_struct_stat_st_blocks=no)
+]])], [bash_cv_struct_stat_st_blocks=yes], [bash_cv_struct_stat_st_blocks=no])
])
AC_MSG_RESULT($bash_cv_struct_stat_st_blocks)
if test "$bash_cv_struct_stat_st_blocks" = "yes"; then
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([
+dnl like _AC_STRUCT_DIRENT(MEMBER) but public
+AC_DEFUN(BASH_STRUCT_DIRENT,
+[
+AC_REQUIRE([AC_HEADER_DIRENT])
+AC_CHECK_MEMBERS(struct dirent.$1, bash_cv_dirent_has_$1=yes, bash_cv_dirent_has_$1=no,
+[[
#include <stdio.h>
#include <sys/types.h>
#ifdef HAVE_UNISTD_H
# include <ndir.h>
# endif
#endif /* HAVE_DIRENT_H */
-],[
-struct dirent d; int z; z = d.d_ino;
-], bash_cv_dirent_has_dino=yes, bash_cv_dirent_has_dino=no)])
-AC_MSG_RESULT($bash_cv_dirent_has_dino)
-if test $bash_cv_dirent_has_dino = yes; then
+]])
+])
+
+AC_DEFUN(BASH_STRUCT_DIRENT_D_INO,
+[AC_REQUIRE([AC_HEADER_DIRENT])
+AC_MSG_CHECKING(for struct dirent.d_ino)
+AC_CACHE_VAL(bash_cv_dirent_has_d_ino, [BASH_STRUCT_DIRENT([d_ino])])
+AC_MSG_RESULT($bash_cv_dirent_has_d_ino)
+if test $bash_cv_dirent_has_d_ino = yes; then
AC_DEFINE(HAVE_STRUCT_DIRENT_D_INO)
fi
])
AC_DEFUN(BASH_STRUCT_DIRENT_D_FILENO,
[AC_REQUIRE([AC_HEADER_DIRENT])
AC_MSG_CHECKING(for struct dirent.d_fileno)
-AC_CACHE_VAL(bash_cv_dirent_has_d_fileno,
-[AC_TRY_COMPILE([
-#include <stdio.h>
-#include <sys/types.h>
-#ifdef HAVE_UNISTD_H
-# include <unistd.h>
-#endif /* HAVE_UNISTD_H */
-#if defined(HAVE_DIRENT_H)
-# include <dirent.h>
-#else
-# define dirent direct
-# ifdef HAVE_SYS_NDIR_H
-# include <sys/ndir.h>
-# endif /* SYSNDIR */
-# ifdef HAVE_SYS_DIR_H
-# include <sys/dir.h>
-# endif /* SYSDIR */
-# ifdef HAVE_NDIR_H
-# include <ndir.h>
-# endif
-#endif /* HAVE_DIRENT_H */
-],[
-struct dirent d; int z; z = d.d_fileno;
-], bash_cv_dirent_has_d_fileno=yes, bash_cv_dirent_has_d_fileno=no)])
+AC_CACHE_VAL(bash_cv_dirent_has_d_fileno, [BASH_STRUCT_DIRENT([d_fileno])])
AC_MSG_RESULT($bash_cv_dirent_has_d_fileno)
if test $bash_cv_dirent_has_d_fileno = yes; then
AC_DEFINE(HAVE_STRUCT_DIRENT_D_FILENO)
AC_DEFUN(BASH_STRUCT_DIRENT_D_NAMLEN,
[AC_REQUIRE([AC_HEADER_DIRENT])
AC_MSG_CHECKING(for struct dirent.d_namlen)
-AC_CACHE_VAL(bash_cv_dirent_has_d_namlen,
-[AC_TRY_COMPILE([
-#include <stdio.h>
-#include <sys/types.h>
-#ifdef HAVE_UNISTD_H
-# include <unistd.h>
-#endif /* HAVE_UNISTD_H */
-#if defined(HAVE_DIRENT_H)
-# include <dirent.h>
-#else
-# define dirent direct
-# ifdef HAVE_SYS_NDIR_H
-# include <sys/ndir.h>
-# endif /* SYSNDIR */
-# ifdef HAVE_SYS_DIR_H
-# include <sys/dir.h>
-# endif /* SYSDIR */
-# ifdef HAVE_NDIR_H
-# include <ndir.h>
-# endif
-#endif /* HAVE_DIRENT_H */
-],[
-struct dirent d; int z; z = d.d_namlen;
-], bash_cv_dirent_has_d_namlen=yes, bash_cv_dirent_has_d_namlen=no)])
+AC_CACHE_VAL(bash_cv_dirent_has_d_namlen, [BASH_STRUCT_DIRENT([d_namlen])])
AC_MSG_RESULT($bash_cv_dirent_has_d_namlen)
if test $bash_cv_dirent_has_d_namlen = yes; then
AC_DEFINE(HAVE_STRUCT_DIRENT_D_NAMLEN)
fi
])
+AC_DEFUN(BASH_CHECK_WINSIZE_IOCTL,
+[AC_CACHE_VAL(bash_cv_struct_winsize_ioctl,
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#include <sys/ioctl.h>
+]],
+[[
+struct winsize x;
+if (sizeof (x) > 0) return (0);
+]] )], [bash_cv_struct_winsize_ioctl=yes], [bash_cv_struct_winsize_ioctl=no])
+])
+])
+
+AC_DEFUN(BASH_CHECK_WINSIZE_TERMIOS,
+[AC_CACHE_VAL(bash_cv_struct_winsize_termios,
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#include <sys/termios.h>
+]],
+[[
+struct winsize x;
+if (sizeof (x) > 0) return (0);
+]] )], [bash_cv_struct_winsize_termios=yes], [bash_cv_struct_winsize_termios=no])
+])
+])
+
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)
-])])
+[
+BASH_CHECK_WINSIZE_IOCTL
+BASH_CHECK_WINSIZE_TERMIOS
+
+if test $bash_cv_struct_winsize_ioctl = yes; then
+ bash_cv_struct_winsize_header=ioctl_h
+elif test $bash_cv_struct_winsize_termios = yes; then
+ bash_cv_struct_winsize_header=termios_h
+else
+ bash_cv_struct_winsize_header=other
+fi
+])
if test $bash_cv_struct_winsize_header = ioctl_h; then
AC_MSG_RESULT(sys/ioctl.h)
AC_DEFINE(STRUCT_WINSIZE_IN_SYS_IOCTL)
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>],[
+AC_DEFUN(BASH_HAVE_POSIX_SIGNALS,
+[AC_CACHE_VAL(bash_cv_posix_signals,
+[AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+#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
- )]
- )]
-)
+]] )],
+[bash_cv_posix_signals=yes], [bash_cv_posix_signals=no]
+)])
+])
+
+AC_DEFUN(BASH_HAVE_BSD_SIGNALS,
+[AC_CACHE_VAL(bash_cv_bsd_signals,
+[AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+#include <signal.h>
+]], [[
+int mask = sigmask(SIGINT);
+sigsetmask(mask); sigblock(mask); sigpause(mask);
+]] )],
+[bash_cv_bsd_signals=yes], [bash_cv_bsd_signals=no]
+)])
+])
+
+AC_DEFUN(BASH_HAVE_SYSV_SIGNALS,
+[AC_CACHE_VAL(bash_cv_sysv_signals,
+[AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+#include <signal.h>
+void foo() { }
+]], [[
+int mask = sigmask(SIGINT);
+sigset(SIGINT, foo); sigrelse(SIGINT);
+sighold(SIGINT); sigpause(SIGINT);
+]] )],
+[bash_cv_sysv_signals=yes], [bash_cv_sysv_signals=no]
+)])
+])
+
+dnl Check type of signal routines (posix, 4.2bsd, 4.1bsd or v7)
+AC_DEFUN(BASH_SYS_SIGNAL_VINTAGE,
+[AC_MSG_CHECKING(for type of signal functions)
+AC_CACHE_VAL(bash_cv_signal_vintage,
+[
+BASH_HAVE_POSIX_SIGNALS
+if test $bash_cv_posix_signals = yes; then
+ bash_cv_signal_vintage=posix
+else
+ BASH_HAVE_BSD_SIGNALS
+ if test $bash_cv_bsd_signals = yes; then
+ bash_cv_signal_vintage=4.2bsd
+ else
+ BASH_HAVE_SYSV_SIGNALS
+ if test $bash_cv_sysv_signals = yes; then
+ bash_cv_signal_vintage=svr3
+ else
+ bash_cv_signal_vintage=v7
+ fi
+ fi
+fi
])
AC_MSG_RESULT($bash_cv_signal_vintage)
if test "$bash_cv_signal_vintage" = posix; then
[AC_REQUIRE([AC_FUNC_GETPGRP])
AC_MSG_CHECKING(whether pgrps need synchronization)
AC_CACHE_VAL(bash_cv_pgrp_pipe,
-[AC_TRY_RUN([
+[AC_RUN_IFELSE([AC_LANG_SOURCE([[
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
wait(&status);
exit(ok ? 0 : 5);
}
-], bash_cv_pgrp_pipe=no,bash_cv_pgrp_pipe=yes,
+]])], [bash_cv_pgrp_pipe=no], [bash_cv_pgrp_pipe=yes],
[AC_MSG_WARN(cannot check pgrp synchronization if cross compiling -- defaulting to no)
- bash_cv_pgrp_pipe=no])
-])
+ bash_cv_pgrp_pipe=no]
+)])
AC_MSG_RESULT($bash_cv_pgrp_pipe)
if test $bash_cv_pgrp_pipe = yes; then
AC_DEFINE(PGRP_PIPE)
])
AC_DEFUN(BASH_SYS_REINSTALL_SIGHANDLERS,
-[AC_REQUIRE([AC_TYPE_SIGNAL])
-AC_REQUIRE([BASH_SYS_SIGNAL_VINTAGE])
+[AC_REQUIRE([BASH_SYS_SIGNAL_VINTAGE])
AC_MSG_CHECKING([if signal handlers must be reinstalled when invoked])
AC_CACHE_VAL(bash_cv_must_reinstall_sighandlers,
-[AC_TRY_RUN([
+[AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <signal.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <stdlib.h>
-typedef RETSIGTYPE sigfunc();
+typedef void sigfunc();
volatile int nsigint;
#define set_signal_handler(s, h) signal(s, h)
#endif
-RETSIGTYPE
+void
sigint(s)
int s;
{
kill((int)getpid(), SIGINT);
exit(nsigint != 2);
}
-], bash_cv_must_reinstall_sighandlers=no, bash_cv_must_reinstall_sighandlers=yes,
+]])], [bash_cv_must_reinstall_sighandlers=no], [bash_cv_must_reinstall_sighandlers=yes],
[AC_MSG_WARN(cannot check signal handling if cross compiling -- defaulting to no)
bash_cv_must_reinstall_sighandlers=no]
)])
[AC_REQUIRE([BASH_SYS_SIGNAL_VINTAGE])
AC_MSG_CHECKING(for presence of necessary job control definitions)
AC_CACHE_VAL(bash_cv_job_control_missing,
-[AC_TRY_COMPILE([
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <sys/types.h>
#ifdef HAVE_SYS_WAIT_H
#include <sys/wait.h>
#error
#endif
-], , bash_cv_job_control_missing=present, bash_cv_job_control_missing=missing
+]], [[ int x; ]] )],
+[bash_cv_job_control_missing=present], [bash_cv_job_control_missing=missing]
)])
AC_MSG_RESULT($bash_cv_job_control_missing)
if test $bash_cv_job_control_missing = missing; then
AC_DEFUN(BASH_SYS_NAMED_PIPES,
[AC_MSG_CHECKING(for presence of named pipes)
AC_CACHE_VAL(bash_cv_sys_named_pipes,
-[AC_TRY_RUN([
+[AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <sys/types.h>
#include <sys/stat.h>
#ifdef HAVE_UNISTD_H
unlink ("bash-aclocal/sh-np-autoconf");
rmdir ("bash-aclocal");
exit(0);
-}], bash_cv_sys_named_pipes=present, bash_cv_sys_named_pipes=missing,
+}
+]])], [bash_cv_sys_named_pipes=present], [bash_cv_sys_named_pipes=missing],
[AC_MSG_WARN(cannot check for named pipes if cross-compiling -- defaulting to missing)
bash_cv_sys_named_pipes=missing]
)])
AC_DEFUN(BASH_HAVE_TIOCGWINSZ,
[AC_MSG_CHECKING(for TIOCGWINSZ in sys/ioctl.h)
AC_CACHE_VAL(bash_cv_tiocgwinsz_in_ioctl,
-[AC_TRY_COMPILE([#include <sys/types.h>
-#include <sys/ioctl.h>], [int x = TIOCGWINSZ;],
- bash_cv_tiocgwinsz_in_ioctl=yes,bash_cv_tiocgwinsz_in_ioctl=no)])
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#include <sys/ioctl.h>]], [[int x = TIOCGWINSZ;]] )],
+ [bash_cv_tiocgwinsz_in_ioctl=yes], [bash_cv_tiocgwinsz_in_ioctl=no]
+)])
AC_MSG_RESULT($bash_cv_tiocgwinsz_in_ioctl)
if test $bash_cv_tiocgwinsz_in_ioctl = yes; then
AC_DEFINE(GWINSZ_IN_SYS_IOCTL)
AC_DEFUN(BASH_HAVE_TIOCSTAT,
[AC_MSG_CHECKING(for TIOCSTAT in sys/ioctl.h)
AC_CACHE_VAL(bash_cv_tiocstat_in_ioctl,
-[AC_TRY_COMPILE([#include <sys/types.h>
-#include <sys/ioctl.h>], [int x = TIOCSTAT;],
- bash_cv_tiocstat_in_ioctl=yes,bash_cv_tiocstat_in_ioctl=no)])
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#include <sys/ioctl.h>]], [[int x = TIOCSTAT;]] )],
+ [bash_cv_tiocstat_in_ioctl=yes], [bash_cv_tiocstat_in_ioctl=no]
+)])
AC_MSG_RESULT($bash_cv_tiocstat_in_ioctl)
if test $bash_cv_tiocstat_in_ioctl = yes; then
AC_DEFINE(TIOCSTAT_IN_SYS_IOCTL)
AC_DEFUN(BASH_HAVE_FIONREAD,
[AC_MSG_CHECKING(for FIONREAD in sys/ioctl.h)
AC_CACHE_VAL(bash_cv_fionread_in_ioctl,
-[AC_TRY_COMPILE([#include <sys/types.h>
-#include <sys/ioctl.h>], [int x = FIONREAD;],
- bash_cv_fionread_in_ioctl=yes,bash_cv_fionread_in_ioctl=no)])
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#include <sys/ioctl.h>]], [[int x = FIONREAD;]] )],
+ [bash_cv_fionread_in_ioctl=yes], [bash_cv_fionread_in_ioctl=no]
+)])
AC_MSG_RESULT($bash_cv_fionread_in_ioctl)
if test $bash_cv_fionread_in_ioctl = yes; then
AC_DEFINE(FIONREAD_IN_SYS_IOCTL)
AC_DEFUN(BASH_CHECK_SPEED_T,
[AC_MSG_CHECKING(for speed_t in sys/types.h)
AC_CACHE_VAL(bash_cv_speed_t_in_sys_types,
-[AC_TRY_COMPILE([#include <sys/types.h>], [speed_t x;],
- bash_cv_speed_t_in_sys_types=yes,bash_cv_speed_t_in_sys_types=no)])
+[AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[#include <sys/types.h>]],
+ [[speed_t x;]])],
+ [bash_cv_speed_t_in_sys_types=yes],[bash_cv_speed_t_in_sys_types=no])])
AC_MSG_RESULT($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_RLIMIT,
+[AC_CACHE_VAL(bash_cv_rlimit,
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#include <sys/resource.h>
+]],
+[[
+ int f;
+ f = RLIMIT_DATA;
+]] )],
+[bash_cv_rlimit=yes], [bash_cv_rlimit=no]
+)])
+])
+
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([
+[BASH_CHECK_RLIMIT
+if test $bash_cv_rlimit = no; then
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <sys/types.h>
#define _KERNEL
#include <sys/resource.h>
#undef _KERNEL
-],
-[
- int f;
- f = RLIMIT_DATA;
-], bash_cv_kernel_rlimit=yes, bash_cv_kernel_rlimit=no)]
-)])
+]],
+[[
+ int f;
+ f = RLIMIT_DATA;
+]] )], [bash_cv_kernel_rlimit=yes], [bash_cv_kernel_rlimit=no] )
+fi
+])
AC_MSG_RESULT($bash_cv_kernel_rlimit)
if test $bash_cv_kernel_rlimit = yes; then
AC_DEFINE(RLIMIT_NEEDS_KERNEL)
dnl
AC_DEFUN(BASH_CHECK_OFF_T_64,
[AC_CACHE_CHECK(for 64-bit off_t, bash_cv_off_t_64,
-AC_TRY_COMPILE([
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#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))
+]] )], [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([
+[AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <sys/types.h>
#include <signal.h>
#include <stdlib.h>
#endif
exit(rtmin < n_sigs);
-}], bash_cv_unusable_rtsigs=yes, bash_cv_unusable_rtsigs=no,
+}
+]])], [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_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
+AC_REQUIRE([AM_LANGINFO_CODESET])
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>
-],
-[
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
+[#include <wchar.h>]],
+[[
wchar_t foo;
foo = 0;
-], bash_cv_type_wchar_t=yes, bash_cv_type_wchar_t=no)])
+]] )], [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>],
-[
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
+[#include <wctype.h>]],
+[[
wctype_t foo;
foo = 0;
-], bash_cv_type_wctype_t=yes, bash_cv_type_wctype_t=no)])
+]] )], [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>],
-[
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
+[#include <wctype.h>]],
+[[
wint_t foo;
foo = 0;
-], bash_cv_type_wint_t=yes, bash_cv_type_wint_t=no)])
+]] )], [bash_cv_type_wint_t=yes], [bash_cv_type_wint_t=no]
+)])
if test $bash_cv_type_wint_t = yes; then
AC_DEFINE(HAVE_WINT_T, 1, [systems should define this type here])
fi
dnl check for broken wcwidth
AC_CACHE_CHECK([for wcwidth broken with unicode combining characters],
bash_cv_wcwidth_broken,
-[AC_TRY_RUN([
+[AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
w = wcwidth (0x0301);
exit (w == 0); /* exit 0 if wcwidth broken */
}
-],
-bash_cv_wcwidth_broken=yes, bash_cv_wcwidth_broken=no, bash_cv_wcwidth_broken=no)])
+]])], [bash_cv_wcwidth_broken=yes], [bash_cv_wcwidth_broken=no],
+ [bash_cv_wcwidth_broken=no]
+)])
if test "$bash_cv_wcwidth_broken" = yes; then
AC_DEFINE(WCWIDTH_BROKEN, 1, [wcwidth is usually not broken])
fi
LDFLAGS="$LDFLAGS -L${ac_cv_rl_libdir}"
AC_CACHE_VAL(ac_cv_rl_version,
-[AC_TRY_RUN([
+[AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <stdio.h>
#include <readline/readline.h>
#include <stdlib.h>
fclose(fp);
exit(0);
}
-],
-ac_cv_rl_version=`cat conftest.rlv`,
-ac_cv_rl_version='0.0',
-ac_cv_rl_version='8.0')])
+]])],
+[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"
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
- /* 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
-
- 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 $bash_cv_func_ctype_nonascii = yes; then
-AC_DEFINE(CTYPE_NON_ASCII)
-fi
-])
-
AC_DEFUN(BASH_CHECK_WCONTINUED,
[
AC_MSG_CHECKING(whether WCONTINUED flag to waitpid is unavailable or available but broken)
AC_CACHE_VAL(bash_cv_wcontinued_broken,
-[AC_TRY_RUN([
+[AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
else
exit (0);
}
-], bash_cv_wcontinued_broken=no,bash_cv_wcontinued_broken=yes,
+]])], [bash_cv_wcontinued_broken=no], [bash_cv_wcontinued_broken=yes],
[AC_MSG_WARN(cannot check WCONTINUED if cross compiling -- defaulting to no)
bash_cv_wcontinued_broken=no]
)])
AC_CHECK_FUNCS_ONCE([snprintf])
if test X$ac_cv_func_snprintf = Xyes; then
AC_CACHE_CHECK([for standard-conformant snprintf], [bash_cv_func_snprintf],
- [AC_TRY_RUN([
+ [AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <stdio.h>
#include <stdlib.h>
n = snprintf (0, 0, "%s", "0123456");
exit(n != 7);
}
-], bash_cv_func_snprintf=yes, bash_cv_func_snprintf=no,
+]])], [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]
)])
AC_CHECK_FUNCS_ONCE([vsnprintf])
if test X$ac_cv_func_vsnprintf = Xyes; then
AC_CACHE_CHECK([for standard-conformant vsnprintf], [bash_cv_func_vsnprintf],
- [AC_TRY_RUN([
+ [AC_RUN_IFELSE([AC_LANG_SOURCE([[
#if HAVE_STDARG_H
#include <stdarg.h>
#else
n = foo("%s", "0123456");
exit(n != 7);
}
-], bash_cv_func_vsnprintf=yes, bash_cv_func_vsnprintf=no,
+]])], [bash_cv_func_vsnprintf=yes], [bash_cv_func_vsnprintf=no],
[AC_MSG_WARN([cannot check standard vsnprintf if cross-compiling])
bash_cv_func_vsnprintf=yes]
)])
AC_DEFUN(BASH_STRUCT_WEXITSTATUS_OFFSET,
[AC_MSG_CHECKING(for offset of exit status in return status from wait)
AC_CACHE_VAL(bash_cv_wexitstatus_offset,
-[AC_TRY_RUN([
+[AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <stdlib.h>
#include <unistd.h>
exit (254);
}
-], bash_cv_wexitstatus_offset=0, bash_cv_wexitstatus_offset=$?,
+]])], [bash_cv_wexitstatus_offset=0], [bash_cv_wexitstatus_offset=$?],
[AC_MSG_WARN(cannot check WEXITSTATUS offset if cross compiling -- defaulting to 0)
bash_cv_wexitstatus_offset=0]
)])
[
AC_MSG_CHECKING([for sbrk])
AC_CACHE_VAL(ac_cv_func_sbrk,
- [AC_TRY_LINK([#include <unistd.h>],
- [ void *x = sbrk (4096); ],
- ac_cv_func_sbrk=yes, ac_cv_func_sbrk=no)])
+ [AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[#include <unistd.h>]],
+ [[ void *x = sbrk (4096); ]])],
+ [ac_cv_func_sbrk=yes],[ac_cv_func_sbrk=no])])
AC_MSG_RESULT($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([
+ [AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <stdlib.h>
#include <unistd.h>
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]
-)])
+]])],[bash_cv_func_sbrk=yes],[bash_cv_func_sbrk=no],[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
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([
+[AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
exit (0);
exit (1);
}
-
-], bash_cv_fnmatch_equiv_fallback=yes, bash_cv_fnmatch_equiv_fallback=no,
+]])], [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]
)])
projects / thirdparty / readline.git / commitdiff
