diff options
Diffstat (limited to 'packages/readline/readline-4.3/acinclude.m4')
| -rw-r--r-- | packages/readline/readline-4.3/acinclude.m4 | 1815 |
1 files changed, 0 insertions, 1815 deletions
diff --git a/packages/readline/readline-4.3/acinclude.m4 b/packages/readline/readline-4.3/acinclude.m4 deleted file mode 100644 index 8a45f99084..0000000000 --- a/packages/readline/readline-4.3/acinclude.m4 +++ /dev/null @@ -1,1815 +0,0 @@ -dnl -dnl Bash specific tests -dnl -dnl Some derived from PDKSH 5.1.3 autoconf tests -dnl - -AC_DEFUN([BASH_C_LONG_LONG], -[AC_CACHE_CHECK(for long long, ac_cv_c_long_long, -[if test "$GCC" = yes; then - ac_cv_c_long_long=yes -else -AC_TRY_RUN([ -int -main() -{ -long long foo = 0; -exit(sizeof(long long) < sizeof(long)); -} -], ac_cv_c_long_long=yes, ac_cv_c_long_long=no) -fi]) -if test $ac_cv_c_long_long = yes; then - AC_DEFINE(HAVE_LONG_LONG, 1, [Define if the `long long' type works.]) -fi -]) - -dnl -dnl This is very similar to AC_C_LONG_DOUBLE, with the fix for IRIX -dnl (< changed to <=) added. -dnl -AC_DEFUN([BASH_C_LONG_DOUBLE], -[AC_CACHE_CHECK(for long double, ac_cv_c_long_double, -[if test "$GCC" = yes; then - ac_cv_c_long_double=yes -else -AC_TRY_RUN([ -int -main() -{ - /* The Stardent Vistra knows sizeof(long double), but does not - support it. */ - long double foo = 0.0; - /* On Ultrix 4.3 cc, long double is 4 and double is 8. */ - /* On IRIX 5.3, the compiler converts long double to double with a warning, - but compiles this successfully. */ - exit(sizeof(long double) <= sizeof(double)); -} -], ac_cv_c_long_double=yes, ac_cv_c_long_double=no) -fi]) -if test $ac_cv_c_long_double = yes; then - AC_DEFINE(HAVE_LONG_DOUBLE, 1, [Define if the `long double' type works.]) -fi -]) - -dnl -dnl Check for <inttypes.h>. This is separated out so that it can be -dnl AC_REQUIREd. -dnl -dnl BASH_HEADER_INTTYPES -AC_DEFUN([BASH_HEADER_INTTYPES], -[ - AC_CHECK_HEADERS(inttypes.h) -]) - -dnl -dnl check for typedef'd symbols in header files, but allow the caller to -dnl specify the include files to be checked in addition to the default -dnl -dnl BASH_CHECK_TYPE(TYPE, HEADERS, DEFAULT[, VALUE-IF-FOUND]) -AC_DEFUN([BASH_CHECK_TYPE], -[ -AC_REQUIRE([AC_HEADER_STDC])dnl -AC_REQUIRE([BASH_HEADER_INTTYPES]) -AC_MSG_CHECKING(for $1) -AC_CACHE_VAL(bash_cv_type_$1, -[AC_EGREP_CPP($1, [#include <sys/types.h> -#if STDC_HEADERS -#include <stdlib.h> -#include <stddef.h> -#endif -#if HAVE_INTTYPES_H -#include <inttypes.h> -#endif -$2 -], bash_cv_type_$1=yes, bash_cv_type_$1=no)]) -AC_MSG_RESULT($bash_cv_type_$1) -ifelse($#, 4, [if test $bash_cv_type_$1 = yes; then - AC_DEFINE($4) - fi]) -if test $bash_cv_type_$1 = no; then - AC_DEFINE_UNQUOTED($1, $3) -fi -]) - -dnl -dnl BASH_CHECK_DECL(FUNC) -dnl -dnl Check for a declaration of FUNC in stdlib.h and inttypes.h like -dnl AC_CHECK_DECL -dnl -AC_DEFUN([BASH_CHECK_DECL], -[ -AC_REQUIRE([AC_HEADER_STDC]) -AC_REQUIRE([BASH_HEADER_INTTYPES]) -AC_CACHE_CHECK([for declaration of $1], bash_cv_decl_$1, -[AC_TRY_LINK( -[ -#if STDC_HEADERS -# include <stdlib.h> -#endif -#if HAVE_INTTYPES_H -# include <inttypes.h> -#endif -], -[return !$1;], -bash_cv_decl_$1=yes, bash_cv_decl_$1=no)]) -bash_tr_func=HAVE_DECL_`echo $1 | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` -if test $bash_cv_decl_$1 = yes; then - AC_DEFINE_UNQUOTED($bash_tr_func, 1) -else - AC_DEFINE_UNQUOTED($bash_tr_func, 0) -fi -]) - -AC_DEFUN([BASH_DECL_PRINTF], -[AC_MSG_CHECKING(for declaration of printf in <stdio.h>) -AC_CACHE_VAL(bash_cv_printf_declared, -[AC_TRY_RUN([ -#include <stdio.h> -#ifdef __STDC__ -typedef int (*_bashfunc)(const char *, ...); -#else -typedef int (*_bashfunc)(); -#endif -main() -{ -_bashfunc pf; -pf = (_bashfunc) printf; -exit(pf == 0); -} -], bash_cv_printf_declared=yes, bash_cv_printf_declared=no, - [AC_MSG_WARN(cannot check printf declaration if cross compiling -- defaulting to yes) - bash_cv_printf_declared=yes] -)]) -AC_MSG_RESULT($bash_cv_printf_declared) -if test $bash_cv_printf_declared = yes; then -AC_DEFINE(PRINTF_DECLARED) -fi -]) - -AC_DEFUN([BASH_DECL_SBRK], -[AC_MSG_CHECKING(for declaration of sbrk in <unistd.h>) -AC_CACHE_VAL(bash_cv_sbrk_declared, -[AC_EGREP_HEADER(sbrk, unistd.h, - bash_cv_sbrk_declared=yes, bash_cv_sbrk_declared=no)]) -AC_MSG_RESULT($bash_cv_sbrk_declared) -if test $bash_cv_sbrk_declared = yes; then -AC_DEFINE(SBRK_DECLARED) -fi -]) - -dnl -dnl Check for sys_siglist[] or _sys_siglist[] -dnl -AC_DEFUN([BASH_DECL_UNDER_SYS_SIGLIST], -[AC_MSG_CHECKING([for _sys_siglist in signal.h or unistd.h]) -AC_CACHE_VAL(bash_cv_decl_under_sys_siglist, -[AC_TRY_COMPILE([ -#include <sys/types.h> -#include <signal.h> -#ifdef HAVE_UNISTD_H -#include <unistd.h> -#endif], [ char *msg = _sys_siglist[2]; ], - bash_cv_decl_under_sys_siglist=yes, bash_cv_decl_under_sys_siglist=no, - [AC_MSG_WARN(cannot check for _sys_siglist[] if cross compiling -- defaulting to no)])])dnl -AC_MSG_RESULT($bash_cv_decl_under_sys_siglist) -if test $bash_cv_decl_under_sys_siglist = yes; then -AC_DEFINE(UNDER_SYS_SIGLIST_DECLARED) -fi -]) - -AC_DEFUN([BASH_UNDER_SYS_SIGLIST], -[AC_REQUIRE([BASH_DECL_UNDER_SYS_SIGLIST]) -AC_MSG_CHECKING([for _sys_siglist in system C library]) -AC_CACHE_VAL(bash_cv_under_sys_siglist, -[AC_TRY_RUN([ -#include <sys/types.h> -#include <signal.h> -#ifdef HAVE_UNISTD_H -#include <unistd.h> -#endif -#ifndef UNDER_SYS_SIGLIST_DECLARED -extern char *_sys_siglist[]; -#endif -main() -{ -char *msg = (char *)_sys_siglist[2]; -exit(msg == 0); -}], - bash_cv_under_sys_siglist=yes, bash_cv_under_sys_siglist=no, - [AC_MSG_WARN(cannot check for _sys_siglist[] if cross compiling -- defaulting to no) - bash_cv_under_sys_siglist=no])]) -AC_MSG_RESULT($bash_cv_under_sys_siglist) -if test $bash_cv_under_sys_siglist = yes; then -AC_DEFINE(HAVE_UNDER_SYS_SIGLIST) -fi -]) - -AC_DEFUN([BASH_SYS_SIGLIST], -[ -AC_CHECK_DECLS([sys_siglist]) -AC_MSG_CHECKING([for sys_siglist in system C library]) -AC_CACHE_VAL(bash_cv_sys_siglist, -[AC_TRY_RUN([ -#include <sys/types.h> -#include <signal.h> -#ifdef HAVE_UNISTD_H -#include <unistd.h> -#endif -#ifndef HAVE_DECL_SYS_SIGLIST -extern char *sys_siglist[]; -#endif -main() -{ -char *msg = sys_siglist[2]; -exit(msg == 0); -}], - bash_cv_sys_siglist=yes, bash_cv_sys_siglist=no, - [AC_MSG_WARN(cannot check for sys_siglist if cross compiling -- defaulting to no) - bash_cv_sys_siglist=no])]) -AC_MSG_RESULT($bash_cv_sys_siglist) -if test $bash_cv_sys_siglist = yes; then -AC_DEFINE(HAVE_SYS_SIGLIST) -fi -]) - -dnl Check for the various permutations of sys_siglist and make sure we -dnl compile in siglist.o if they're not defined -AC_DEFUN([BASH_CHECK_SYS_SIGLIST], [ -AC_REQUIRE([BASH_SYS_SIGLIST]) -AC_REQUIRE([BASH_DECL_UNDER_SYS_SIGLIST]) -AC_REQUIRE([BASH_FUNC_STRSIGNAL]) -if test "$bash_cv_sys_siglist" = no && test "$bash_cv_under_sys_siglist" = no && test "$bash_cv_have_strsignal" = no; then - SIGLIST_O=siglist.o -else - SIGLIST_O= -fi -AC_SUBST([SIGLIST_O]) -]) - -dnl Check for sys_errlist[] and sys_nerr, check for declaration -AC_DEFUN([BASH_SYS_ERRLIST], -[AC_MSG_CHECKING([for sys_errlist and sys_nerr]) -AC_CACHE_VAL(bash_cv_sys_errlist, -[AC_TRY_LINK([#include <errno.h>], -[extern char *sys_errlist[]; - extern int sys_nerr; - char *msg = sys_errlist[sys_nerr - 1];], - bash_cv_sys_errlist=yes, bash_cv_sys_errlist=no)])dnl -AC_MSG_RESULT($bash_cv_sys_errlist) -if test $bash_cv_sys_errlist = yes; then -AC_DEFINE(HAVE_SYS_ERRLIST) -fi -]) - -dnl -dnl Check if dup2() does not clear the close on exec flag -dnl -AC_DEFUN([BASH_FUNC_DUP2_CLOEXEC_CHECK], -[AC_MSG_CHECKING(if dup2 fails to clear the close-on-exec flag) -AC_CACHE_VAL(bash_cv_dup2_broken, -[AC_TRY_RUN([ -#include <sys/types.h> -#include <fcntl.h> -main() -{ - int fd1, fd2, fl; - fd1 = open("/dev/null", 2); - if (fcntl(fd1, 2, 1) < 0) - exit(1); - fd2 = dup2(fd1, 1); - if (fd2 < 0) - exit(2); - fl = fcntl(fd2, 1, 0); - /* fl will be 1 if dup2 did not reset the close-on-exec flag. */ - exit(fl != 1); -} -], bash_cv_dup2_broken=yes, bash_cv_dup2_broken=no, - [AC_MSG_WARN(cannot check dup2 if cross compiling -- defaulting to no) - bash_cv_dup2_broken=no]) -]) -AC_MSG_RESULT($bash_cv_dup2_broken) -if test $bash_cv_dup2_broken = yes; then -AC_DEFINE(DUP2_BROKEN) -fi -]) - -AC_DEFUN([BASH_FUNC_STRSIGNAL], -[AC_MSG_CHECKING([for the existence of strsignal]) -AC_CACHE_VAL(bash_cv_have_strsignal, -[AC_TRY_LINK([#include <sys/types.h> -#include <signal.h>], -[char *s = (char *)strsignal(2);], - bash_cv_have_strsignal=yes, bash_cv_have_strsignal=no)]) -AC_MSG_RESULT($bash_cv_have_strsignal) -if test $bash_cv_have_strsignal = yes; then -AC_DEFINE(HAVE_STRSIGNAL) -fi -]) - -dnl Check to see if opendir will open non-directories (not a nice thing) -AC_DEFUN([BASH_FUNC_OPENDIR_CHECK], -[AC_REQUIRE([AC_HEADER_DIRENT])dnl -AC_MSG_CHECKING(if opendir() opens non-directories) -AC_CACHE_VAL(bash_cv_opendir_not_robust, -[AC_TRY_RUN([ -#include <stdio.h> -#include <sys/types.h> -#include <fcntl.h> -#ifdef HAVE_UNISTD_H -# include <unistd.h> -#endif /* HAVE_UNISTD_H */ -#if defined(HAVE_DIRENT_H) -# include <dirent.h> -#else -# define dirent direct -# ifdef HAVE_SYS_NDIR_H -# include <sys/ndir.h> -# endif /* SYSNDIR */ -# ifdef HAVE_SYS_DIR_H -# include <sys/dir.h> -# endif /* SYSDIR */ -# ifdef HAVE_NDIR_H -# include <ndir.h> -# endif -#endif /* HAVE_DIRENT_H */ -main() -{ -DIR *dir; -int fd, err; -err = mkdir("/tmp/bash-aclocal", 0700); -if (err < 0) { - perror("mkdir"); - exit(1); -} -unlink("/tmp/bash-aclocal/not_a_directory"); -fd = open("/tmp/bash-aclocal/not_a_directory", O_WRONLY|O_CREAT|O_EXCL, 0666); -write(fd, "\n", 1); -close(fd); -dir = opendir("/tmp/bash-aclocal/not_a_directory"); -unlink("/tmp/bash-aclocal/not_a_directory"); -rmdir("/tmp/bash-aclocal"); -exit (dir == 0); -}], bash_cv_opendir_not_robust=yes,bash_cv_opendir_not_robust=no, - [AC_MSG_WARN(cannot check opendir if cross compiling -- defaulting to no) - bash_cv_opendir_not_robust=no] -)]) -AC_MSG_RESULT($bash_cv_opendir_not_robust) -if test $bash_cv_opendir_not_robust = yes; then -AC_DEFINE(OPENDIR_NOT_ROBUST) -fi -]) - -dnl -AH_TEMPLATE([VOID_SIGHANDLER], [Define if signal handlers return type void]) -AC_DEFUN([BASH_TYPE_SIGHANDLER], -[AC_MSG_CHECKING([whether signal handlers are of type void]) -AC_CACHE_VAL(bash_cv_void_sighandler, -[AC_TRY_COMPILE([#include <sys/types.h> -#include <signal.h> -#ifdef signal -#undef signal -#endif -#ifdef __cplusplus -extern "C" -#endif -void (*signal ()) ();], -[int i;], bash_cv_void_sighandler=yes, bash_cv_void_sighandler=no)])dnl -AC_MSG_RESULT($bash_cv_void_sighandler) -if test $bash_cv_void_sighandler = yes; then -AC_DEFINE(VOID_SIGHANDLER) -fi -]) - -dnl -dnl A signed 16-bit integer quantity -dnl -AC_DEFUN([BASH_TYPE_BITS16_T], -[ -if test "$ac_cv_sizeof_short" = 2; then - AC_CHECK_TYPE(bits16_t, short) -elif test "$ac_cv_sizeof_char" = 2; then - AC_CHECK_TYPE(bits16_t, char) -else - AC_CHECK_TYPE(bits16_t, short) -fi -]) - -dnl -dnl An unsigned 16-bit integer quantity -dnl -AC_DEFUN([BASH_TYPE_U_BITS16_T], -[ -if test "$ac_cv_sizeof_short" = 2; then - AC_CHECK_TYPE(u_bits16_t, unsigned short) -elif test "$ac_cv_sizeof_char" = 2; then - AC_CHECK_TYPE(u_bits16_t, unsigned char) -else - AC_CHECK_TYPE(u_bits16_t, unsigned short) -fi -]) - -dnl -dnl A signed 32-bit integer quantity -dnl -AC_DEFUN([BASH_TYPE_BITS32_T], -[ -if test "$ac_cv_sizeof_int" = 4; then - AC_CHECK_TYPE(bits32_t, int) -elif test "$ac_cv_sizeof_long" = 4; then - AC_CHECK_TYPE(bits32_t, long) -else - AC_CHECK_TYPE(bits32_t, int) -fi -]) - -dnl -dnl An unsigned 32-bit integer quantity -dnl -AC_DEFUN([BASH_TYPE_U_BITS32_T], -[ -if test "$ac_cv_sizeof_int" = 4; then - AC_CHECK_TYPE(u_bits32_t, unsigned int) -elif test "$ac_cv_sizeof_long" = 4; then - AC_CHECK_TYPE(u_bits32_t, unsigned long) -else - AC_CHECK_TYPE(u_bits32_t, unsigned int) -fi -]) - -AC_DEFUN([BASH_TYPE_PTRDIFF_T], -[ -if test "$ac_cv_sizeof_int" = "$ac_cv_sizeof_char_p"; then - AC_CHECK_TYPE(ptrdiff_t, int) -elif test "$ac_cv_sizeof_long" = "$ac_cv_sizeof_char_p"; then - AC_CHECK_TYPE(ptrdiff_t, long) -elif test "$ac_cv_type_long_long" = yes && test "$ac_cv_sizeof_long_long" = "$ac_cv_sizeof_char_p"; then - AC_CHECK_TYPE(ptrdiff_t, [long long]) -else - AC_CHECK_TYPE(ptrdiff_t, int) -fi -]) - -dnl -dnl A signed 64-bit quantity -dnl -AC_DEFUN([BASH_TYPE_BITS64_T], -[ -if test "$ac_cv_sizeof_char_p" = 8; then - AC_CHECK_TYPE(bits64_t, char *) -elif test "$ac_cv_sizeof_double" = 8; then - AC_CHECK_TYPE(bits64_t, double) -elif test -n "$ac_cv_type_long_long" && test "$ac_cv_sizeof_long_long" = 8; then - AC_CHECK_TYPE(bits64_t, [long long]) -elif test "$ac_cv_sizeof_long" = 8; then - AC_CHECK_TYPE(bits64_t, long) -else - AC_CHECK_TYPE(bits64_t, double) -fi -]) - -AC_DEFUN([BASH_TYPE_LONG_LONG], -[ -AC_CACHE_CHECK([for long long], bash_cv_type_long_long, -[AC_TRY_LINK([ -long long ll = 1; int i = 63;], -[ -long long llm = (long long) -1; -return ll << i | ll >> i | llm / ll | llm % ll; -], bash_cv_type_long_long='long long', bash_cv_type_long_long='long')]) -if test "$bash_cv_type_long_long" = 'long long'; then - AC_DEFINE(HAVE_LONG_LONG, 1) -fi -]) - -AC_DEFUN([BASH_TYPE_UNSIGNED_LONG_LONG], -[ -AC_CACHE_CHECK([for unsigned long long], bash_cv_type_unsigned_long_long, -[AC_TRY_LINK([ -unsigned long long ull = 1; int i = 63;], -[ -unsigned long long ullmax = (unsigned long long) -1; -return ull << i | ull >> i | ullmax / ull | ullmax % ull; -], bash_cv_type_unsigned_long_long='unsigned long long', - bash_cv_type_unsigned_long_long='unsigned long')]) -if test "$bash_cv_type_unsigned_long_long" = 'unsigned long long'; then - AC_DEFINE(HAVE_UNSIGNED_LONG_LONG, 1) -fi -]) - -dnl -dnl Type of struct rlimit fields: some systems (OSF/1, NetBSD, RISC/os 5.0) -dnl have a rlim_t, others (4.4BSD based systems) use quad_t, others use -dnl long and still others use int (HP-UX 9.01, SunOS 4.1.3). To simplify -dnl matters, this just checks for rlim_t, quad_t, or long. -dnl -AC_DEFUN([BASH_TYPE_RLIMIT], -[AC_MSG_CHECKING(for size and type of struct rlimit fields) -AC_CACHE_VAL(bash_cv_type_rlimit, -[AC_TRY_COMPILE([#include <sys/types.h> -#include <sys/resource.h>], -[rlim_t xxx;], bash_cv_type_rlimit=rlim_t,[ -AC_TRY_RUN([ -#include <sys/types.h> -#include <sys/time.h> -#include <sys/resource.h> -main() -{ -#ifdef HAVE_QUAD_T - struct rlimit rl; - if (sizeof(rl.rlim_cur) == sizeof(quad_t)) - exit(0); -#endif - exit(1); -}], bash_cv_type_rlimit=quad_t, bash_cv_type_rlimit=long, - [AC_MSG_WARN(cannot check quad_t if cross compiling -- defaulting to long) - bash_cv_type_rlimit=long])]) -]) -AC_MSG_RESULT($bash_cv_type_rlimit) -if test $bash_cv_type_rlimit = quad_t; then -AC_DEFINE(RLIMTYPE, quad_t) -elif test $bash_cv_type_rlimit = rlim_t; then -AC_DEFINE(RLIMTYPE, rlim_t) -fi -]) - -AC_DEFUN([BASH_FUNC_LSTAT], -[dnl Cannot use AC_CHECK_FUNCS(lstat) because Linux defines lstat() as an -dnl inline function in <sys/stat.h>. -AC_CACHE_CHECK([for lstat], bash_cv_func_lstat, -[AC_TRY_LINK([ -#include <sys/types.h> -#include <sys/stat.h> -],[ lstat(".",(struct stat *)0); ], -bash_cv_func_lstat=yes, bash_cv_func_lstat=no)]) -if test $bash_cv_func_lstat = yes; then - AC_DEFINE(HAVE_LSTAT) -fi -]) - -AC_DEFUN([BASH_FUNC_INET_ATON], -[ -AC_CACHE_CHECK([for inet_aton], bash_cv_func_inet_aton, -[AC_TRY_LINK([ -#include <sys/types.h> -#include <netinet/in.h> -#include <arpa/inet.h> -struct in_addr ap;], [ inet_aton("127.0.0.1", &ap); ], -bash_cv_func_inet_aton=yes, bash_cv_func_inet_aton=no)]) -if test $bash_cv_func_inet_aton = yes; then - AC_DEFINE(HAVE_INET_ATON) -else - AC_LIBOBJ(inet_aton) -fi -]) - -AC_DEFUN([BASH_FUNC_GETENV], -[AC_MSG_CHECKING(to see if getenv can be redefined) -AC_CACHE_VAL(bash_cv_getenv_redef, -[AC_TRY_RUN([ -#ifdef HAVE_UNISTD_H -# include <unistd.h> -#endif -#ifndef __STDC__ -# ifndef const -# define const -# endif -#endif -char * -getenv (name) -#if defined (__linux__) || defined (__bsdi__) || defined (convex) - const char *name; -#else - char const *name; -#endif /* !__linux__ && !__bsdi__ && !convex */ -{ -return "42"; -} -main() -{ -char *s; -/* The next allows this program to run, but does not allow bash to link - when it redefines getenv. I'm not really interested in figuring out - why not. */ -#if defined (NeXT) -exit(1); -#endif -s = getenv("ABCDE"); -exit(s == 0); /* force optimizer to leave getenv in */ -} -], bash_cv_getenv_redef=yes, bash_cv_getenv_redef=no, - [AC_MSG_WARN(cannot check getenv redefinition if cross compiling -- defaulting to yes) - bash_cv_getenv_redef=yes] -)]) -AC_MSG_RESULT($bash_cv_getenv_redef) -if test $bash_cv_getenv_redef = yes; then -AC_DEFINE(CAN_REDEFINE_GETENV) -fi -]) - -# We should check for putenv before calling this -AC_DEFUN([BASH_FUNC_STD_PUTENV], -[ -AC_REQUIRE([AC_HEADER_STDC]) -AC_REQUIRE([AC_C_PROTOTYPES]) -AC_CACHE_CHECK([for standard-conformant putenv declaration], bash_cv_std_putenv, -[AC_TRY_LINK([ -#if STDC_HEADERS -#include <stdlib.h> -#include <stddef.h> -#endif -#ifndef __STDC__ -# ifndef const -# define const -# endif -#endif -#ifdef PROTOTYPES -extern int putenv (char *); -#else -extern int putenv (); -#endif -], -[return (putenv == 0);], -bash_cv_std_putenv=yes, bash_cv_std_putenv=no -)]) -if test $bash_cv_std_putenv = yes; then -AC_DEFINE(HAVE_STD_PUTENV) -fi -]) - -# We should check for unsetenv before calling this -AC_DEFUN([BASH_FUNC_STD_UNSETENV], -[ -AC_REQUIRE([AC_HEADER_STDC]) -AC_REQUIRE([AC_C_PROTOTYPES]) -AC_CACHE_CHECK([for standard-conformant unsetenv declaration], bash_cv_std_unsetenv, -[AC_TRY_LINK([ -#if STDC_HEADERS -#include <stdlib.h> -#include <stddef.h> -#endif -#ifndef __STDC__ -# ifndef const -# define const -# endif -#endif -#ifdef PROTOTYPES -extern int unsetenv (const char *); -#else -extern int unsetenv (); -#endif -], -[return (unsetenv == 0);], -bash_cv_std_unsetenv=yes, bash_cv_std_unsetenv=no -)]) -if test $bash_cv_std_unsetenv = yes; then -AC_DEFINE(HAVE_STD_UNSETENV) -fi -]) - -AC_DEFUN([BASH_FUNC_ULIMIT_MAXFDS], -[AC_MSG_CHECKING(whether ulimit can substitute for getdtablesize) -AC_CACHE_VAL(bash_cv_ulimit_maxfds, -[AC_TRY_RUN([ -main() -{ -long maxfds = ulimit(4, 0L); -exit (maxfds == -1L); -} -], bash_cv_ulimit_maxfds=yes, bash_cv_ulimit_maxfds=no, - [AC_MSG_WARN(cannot check ulimit if cross compiling -- defaulting to no) - bash_cv_ulimit_maxfds=no] -)]) -AC_MSG_RESULT($bash_cv_ulimit_maxfds) -if test $bash_cv_ulimit_maxfds = yes; then -AC_DEFINE(ULIMIT_MAXFDS) -fi -]) - -AC_DEFUN([BASH_FUNC_GETCWD], -[AC_MSG_CHECKING([if getcwd() calls popen()]) -AC_CACHE_VAL(bash_cv_getcwd_calls_popen, -[AC_TRY_RUN([ -#include <stdio.h> -#ifdef HAVE_UNISTD_H -#include <unistd.h> -#endif - -#ifndef __STDC__ -#ifndef const -#define const -#endif -#endif - -int popen_called; - -FILE * -popen(command, type) - const char *command; - const char *type; -{ - popen_called = 1; - return (FILE *)NULL; -} - -FILE *_popen(command, type) - const char *command; - const char *type; -{ - return (popen (command, type)); -} - -int -pclose(stream) -FILE *stream; -{ - return 0; -} - -int -_pclose(stream) -FILE *stream; -{ - return 0; -} - -main() -{ - char lbuf[32]; - popen_called = 0; - getcwd(lbuf, 32); - exit (popen_called); -} -], bash_cv_getcwd_calls_popen=no, bash_cv_getcwd_calls_popen=yes, - [AC_MSG_WARN(cannot check whether getcwd calls popen if cross compiling -- defaulting to no) - bash_cv_getcwd_calls_popen=no] -)]) -AC_MSG_RESULT($bash_cv_getcwd_calls_popen) -if test $bash_cv_getcwd_calls_popen = yes; then -AC_DEFINE(GETCWD_BROKEN) -AC_LIBOBJ(getcwd) -fi -]) - -dnl -dnl This needs BASH_CHECK_SOCKLIB, but since that's not called on every -dnl system, we can't use AC_PREREQ -dnl -AC_DEFUN([BASH_FUNC_GETHOSTBYNAME], -[if test "X$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 "$bash_cv_have_gethostbyname" = yes; then -AC_DEFINE(HAVE_GETHOSTBYNAME) -fi -]) - -AC_DEFUN([BASH_FUNC_FNMATCH_EXTMATCH], -[AC_MSG_CHECKING(if fnmatch does extended pattern matching with FNM_EXTMATCH) -AC_CACHE_VAL(bash_cv_fnm_extmatch, -[AC_TRY_RUN([ -#include <fnmatch.h> - -main() -{ -#ifdef FNM_EXTMATCH - exit (0); -#else - exit (1); -#endif -} -], bash_cv_fnm_extmatch=yes, bash_cv_fnm_extmatch=no, - [AC_MSG_WARN(cannot check FNM_EXTMATCH if cross compiling -- defaulting to no) - bash_cv_fnm_extmatch=no]) -]) -AC_MSG_RESULT($bash_cv_fnm_extmatch) -if test $bash_cv_fnm_extmatch = yes; then -AC_DEFINE(HAVE_LIBC_FNM_EXTMATCH) -fi -]) - -AH_TEMPLATE([HAVE_POSIX_SIGSETJMP], [Define if we POSIX-style sigsetjmp/siglongjmp are available]) -AC_DEFUN([BASH_FUNC_POSIX_SETJMP], -[AC_REQUIRE([BASH_SYS_SIGNAL_VINTAGE]) -AC_MSG_CHECKING(for presence of POSIX-style sigsetjmp/siglongjmp) -AC_CACHE_VAL(bash_cv_func_sigsetjmp, -[AC_TRY_RUN([ -#ifdef HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <sys/types.h> -#include <signal.h> -#include <setjmp.h> - -main() -{ -#if !defined (_POSIX_VERSION) || !defined (HAVE_POSIX_SIGNALS) -exit (1); -#else - -int code; -sigset_t set, oset; -sigjmp_buf xx; - -/* get the mask */ -sigemptyset(&set); -sigemptyset(&oset); -sigprocmask(SIG_BLOCK, (sigset_t *)NULL, &set); -sigprocmask(SIG_BLOCK, (sigset_t *)NULL, &oset); - -/* save it */ -code = sigsetjmp(xx, 1); -if (code) - exit(0); /* could get sigmask and compare to oset here. */ - -/* change it */ -sigaddset(&set, SIGINT); -sigprocmask(SIG_BLOCK, &set, (sigset_t *)NULL); - -/* and siglongjmp */ -siglongjmp(xx, 10); -exit(1); -#endif -}], bash_cv_func_sigsetjmp=present, bash_cv_func_sigsetjmp=missing, - [AC_MSG_WARN(cannot check for sigsetjmp/siglongjmp if cross-compiling -- defaulting to missing) - bash_cv_func_sigsetjmp=missing] -)]) -AC_MSG_RESULT($bash_cv_func_sigsetjmp) -if test $bash_cv_func_sigsetjmp = present; then -AC_DEFINE(HAVE_POSIX_SIGSETJMP) -fi -]) - -AH_TEMPLATE([STRCOLL_BROKEN], [Define if strcoll is broken with respect to strcmp in the default locale.]) -AC_DEFUN([BASH_FUNC_STRCOLL], -[ -AC_MSG_CHECKING(whether or not strcoll and strcmp differ) -AC_CACHE_VAL(bash_cv_func_strcoll_broken, -[AC_TRY_RUN([ -#include <stdio.h> -#if defined (HAVE_LOCALE_H) -#include <locale.h> -#endif - -main(c, v) -int c; -char *v[]; -{ - int r1, r2; - char *deflocale, *defcoll; - -#ifdef HAVE_SETLOCALE - deflocale = setlocale(LC_ALL, ""); - defcoll = setlocale(LC_COLLATE, ""); -#endif - -#ifdef HAVE_STRCOLL - /* These two values are taken from tests/glob-test. */ - r1 = strcoll("abd", "aXd"); -#else - r1 = 0; -#endif - r2 = strcmp("abd", "aXd"); - - /* These two should both be greater than 0. It is permissible for - a system to return different values, as long as the sign is the - same. */ - - /* Exit with 1 (failure) if these two values are both > 0, since - this tests whether strcoll(3) is broken with respect to strcmp(3) - in the default locale. */ - exit (r1 > 0 && r2 > 0); -} -], bash_cv_func_strcoll_broken=yes, bash_cv_func_strcoll_broken=no, - [AC_MSG_WARN(cannot check strcoll if cross compiling -- defaulting to no) - bash_cv_func_strcoll_broken=no] -)]) -AC_MSG_RESULT($bash_cv_func_strcoll_broken) -if test $bash_cv_func_strcoll_broken = yes; then -AC_DEFINE(STRCOLL_BROKEN) -fi -]) - -AC_DEFUN([BASH_FUNC_PRINTF_A_FORMAT], -[AC_MSG_CHECKING([for printf floating point output in hex notation]) -AC_CACHE_VAL(bash_cv_printf_a_format, -[AC_TRY_RUN([ -#include <stdio.h> -#include <string.h> - -int -main() -{ - double y = 0.0; - char abuf[1024]; - - sprintf(abuf, "%A", y); - exit(strchr(abuf, 'P') == (char *)0); -} -], bash_cv_printf_a_format=yes, bash_cv_printf_a_format=no, - [AC_MSG_WARN(cannot check printf if cross compiling -- defaulting to no) - bash_cv_printf_a_format=no] -)]) -AC_MSG_RESULT($bash_cv_printf_a_format) -if test $bash_cv_printf_a_format = yes; then -AC_DEFINE(HAVE_PRINTF_A_FORMAT) -fi -]) - -AC_DEFUN([BASH_STRUCT_TERMIOS_LDISC], -[ -AC_CHECK_MEMBER(struct termios.c_line, AC_DEFINE(TERMIOS_LDISC), ,[ -#include <sys/types.h> -#include <termios.h> -]) -]) - -AC_DEFUN([BASH_STRUCT_TERMIO_LDISC], -[ -AC_CHECK_MEMBER(struct termio.c_line, AC_DEFINE(TERMIO_LDISC), ,[ -#include <sys/types.h> -#include <termio.h> -]) -]) - -dnl -dnl Like AC_STRUCT_ST_BLOCKS, but doesn't muck with LIBOBJS -dnl -dnl sets bash_cv_struct_stat_st_blocks -dnl -dnl unused for now; we'll see how AC_CHECK_MEMBERS works -dnl -AC_DEFUN([BASH_STRUCT_ST_BLOCKS], -[ -AC_MSG_CHECKING([for struct stat.st_blocks]) -AC_CACHE_VAL(bash_cv_struct_stat_st_blocks, -[AC_TRY_COMPILE( -[ -#include <sys/types.h> -#include <sys/stat.h> -], -[ -main() -{ -static struct stat a; -if (a.st_blocks) return 0; -return 0; -} -], bash_cv_struct_stat_st_blocks=yes, bash_cv_struct_stat_st_blocks=no) -]) -AC_MSG_RESULT($bash_cv_struct_stat_st_blocks) -if test "$bash_cv_struct_stat_st_blocks" = "yes"; then -AC_DEFINE(HAVE_STRUCT_STAT_ST_BLOCKS) -fi -]) - -AC_DEFUN([BASH_CHECK_LIB_TERMCAP], -[ -if test "X$bash_cv_termcap_lib" = "X"; then -_bash_needmsg=yes -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(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, - 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 $bash_cv_termcap_lib = libncurses; then -TERMCAP_LIB=-lncurses -TERMCAP_DEP= -else -TERMCAP_LIB=-lcurses -TERMCAP_DEP= -fi -]) - -dnl -dnl Check for the presence of getpeername in libsocket. -dnl If libsocket is present, check for libnsl and add it to LIBS if -dnl it's there, since most systems with libsocket require linking -dnl with libnsl as well. This should only be called if getpeername -dnl was not found in libc. -dnl -dnl NOTE: IF WE FIND GETPEERNAME, WE ASSUME THAT WE HAVE BIND/CONNECT -dnl AS WELL -dnl -AC_DEFUN([BASH_CHECK_LIB_SOCKET], -[ -if test "X$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 $LIBS" - fi - AC_DEFINE(HAVE_LIBSOCKET) - AC_DEFINE(HAVE_GETPEERNAME) -fi -]) - -AH_TEMPLATE([STRUCT_DIRENT_HAS_D_INO], [Define if struct dirent has a d_ino member]) -AC_DEFUN([BASH_STRUCT_DIRENT_D_INO], -[AC_REQUIRE([AC_HEADER_DIRENT]) -AC_MSG_CHECKING(if struct dirent has a d_ino member) -AC_CACHE_VAL(bash_cv_dirent_has_dino, -[AC_TRY_COMPILE([ -#include <stdio.h> -#include <sys/types.h> -#ifdef HAVE_UNISTD_H -# include <unistd.h> -#endif /* HAVE_UNISTD_H */ -#if defined(HAVE_DIRENT_H) -# include <dirent.h> -#else -# define dirent direct -# ifdef HAVE_SYS_NDIR_H -# include <sys/ndir.h> -# endif /* SYSNDIR */ -# ifdef HAVE_SYS_DIR_H -# include <sys/dir.h> -# endif /* SYSDIR */ -# ifdef HAVE_NDIR_H -# include <ndir.h> -# endif -#endif /* HAVE_DIRENT_H */ -],[ -struct dirent d; int z; z = d.d_ino; -], bash_cv_dirent_has_dino=yes, bash_cv_dirent_has_dino=no)]) -AC_MSG_RESULT($bash_cv_dirent_has_dino) -if test $bash_cv_dirent_has_dino = yes; then -AC_DEFINE(STRUCT_DIRENT_HAS_D_INO) -fi -]) - -AH_TEMPLATE([STRUCT_DIRENT_HAS_D_FILENO], [Define if struct dirent has a d_fileno member]) -AC_DEFUN([BASH_STRUCT_DIRENT_D_FILENO], -[AC_REQUIRE([AC_HEADER_DIRENT]) -AC_MSG_CHECKING(if struct dirent has a d_fileno member) -AC_CACHE_VAL(bash_cv_dirent_has_d_fileno, -[AC_TRY_COMPILE([ -#include <stdio.h> -#include <sys/types.h> -#ifdef HAVE_UNISTD_H -# include <unistd.h> -#endif /* HAVE_UNISTD_H */ -#if defined(HAVE_DIRENT_H) -# include <dirent.h> -#else -# define dirent direct -# ifdef HAVE_SYS_NDIR_H -# include <sys/ndir.h> -# endif /* SYSNDIR */ -# ifdef HAVE_SYS_DIR_H -# include <sys/dir.h> -# endif /* SYSDIR */ -# ifdef HAVE_NDIR_H -# include <ndir.h> -# endif -#endif /* HAVE_DIRENT_H */ -],[ -struct dirent d; int z; z = d.d_fileno; -], bash_cv_dirent_has_d_fileno=yes, bash_cv_dirent_has_d_fileno=no)]) -AC_MSG_RESULT($bash_cv_dirent_has_d_fileno) -if test $bash_cv_dirent_has_d_fileno = yes; then -AC_DEFINE(STRUCT_DIRENT_HAS_D_FILENO) -fi -]) - -AC_DEFUN([BASH_STRUCT_TIMEVAL], -[AC_MSG_CHECKING(for struct timeval in sys/time.h and time.h) -AC_CACHE_VAL(bash_cv_struct_timeval, -[ -AC_EGREP_HEADER(struct timeval, sys/time.h, - bash_cv_struct_timeval=yes, - AC_EGREP_HEADER(struct timeval, time.h, - bash_cv_struct_timeval=yes, - bash_cv_struct_timeval=no)) -]) -AC_MSG_RESULT($bash_cv_struct_timeval) -if test $bash_cv_struct_timeval = yes; then - AC_DEFINE(HAVE_TIMEVAL) -fi -]) - -AH_TEMPLATE([STRUCT_WINSIZE_IN_SYS_IOCTL], [Define if struct winsize is in sys/ioctl.h]) -AH_TEMPLATE([STRUCT_WINSIZE_IN_TERMIOS], [Define if struct winsize is in termios.h]) -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 $bash_cv_struct_winsize_header = termios_h; then - AC_MSG_RESULT(termios.h) - AC_DEFINE(STRUCT_WINSIZE_IN_TERMIOS) -else - AC_MSG_RESULT(not found) -fi -]) - -dnl Check type of signal routines (posix, 4.2bsd, 4.1bsd or v7) -AH_TEMPLATE([HAVE_POSIX_SIGNALS], [Define if we have the POSIX signal routines]) -AH_TEMPLATE([HAVE_BSD_SIGNALS], [Define if we have the BSD signal routines]) -AH_TEMPLATE([HAVE_USG_SIGHOLD], [Define if we have the USG signal routines]) -AC_DEFUN([BASH_SYS_SIGNAL_VINTAGE], -[AC_REQUIRE([AC_TYPE_SIGNAL]) -AC_MSG_CHECKING(for type of signal functions) -AC_CACHE_VAL(bash_cv_signal_vintage, -[ - AC_MSG_WARN([checking for posix...]) - AC_TRY_LINK([#include <signal.h>],[ - sigset_t ss; - struct sigaction sa; - sigemptyset(&ss); sigsuspend(&ss); - sigaction(SIGINT, &sa, (struct sigaction *) 0); - sigprocmask(SIG_BLOCK, &ss, (sigset_t *) 0); - ], bash_cv_signal_vintage="posix", - [ - AC_MSG_WARN([checking for 4.2bsd...]) - AC_TRY_LINK([#include <signal.h>], [ - int mask = sigmask(SIGINT); - sigsetmask(mask); sigblock(mask); sigpause(mask); - ], bash_cv_signal_vintage="4.2bsd", - [ - AC_MSG_WARN([checking for svr3...]) - AC_TRY_LINK([ - #include <signal.h> - RETSIGTYPE foo() { }], [ - int mask = sigmask(SIGINT); - sigset(SIGINT, foo); sigrelse(SIGINT); - sighold(SIGINT); sigpause(SIGINT); - ], bash_cv_signal_vintage="svr3", bash_cv_signal_vintage="v7" - )] - )] -) -]) -AC_MSG_RESULT($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 "$bash_cv_signal_vintage" = "svr3"; then -AC_DEFINE(HAVE_USG_SIGHOLD) -fi -]) - -dnl Check if the pgrp of setpgrp() can't be the pid of a zombie process. -AC_DEFUN([BASH_SYS_PGRP_SYNC], -[AC_REQUIRE([AC_FUNC_GETPGRP]) -AC_MSG_CHECKING(whether pgrps need synchronization) -AC_CACHE_VAL(bash_cv_pgrp_pipe, -[AC_TRY_RUN([ -#ifdef HAVE_UNISTD_H -# include <unistd.h> -#endif -main() -{ -# ifdef GETPGRP_VOID -# define getpgID() getpgrp() -# else -# define getpgID() getpgrp(0) -# define setpgid(x,y) setpgrp(x,y) -# endif - int pid1, pid2, fds[2]; - int status; - char ok; - - switch (pid1 = fork()) { - case -1: - exit(1); - case 0: - setpgid(0, getpid()); - exit(0); - } - setpgid(pid1, pid1); - - sleep(2); /* let first child die */ - - if (pipe(fds) < 0) - exit(2); - - switch (pid2 = fork()) { - case -1: - exit(3); - case 0: - setpgid(0, pid1); - ok = getpgID() == pid1; - write(fds[1], &ok, 1); - exit(0); - } - setpgid(pid2, pid1); - - close(fds[1]); - if (read(fds[0], &ok, 1) != 1) - exit(4); - wait(&status); - wait(&status); - exit(ok ? 0 : 5); -} -], bash_cv_pgrp_pipe=no,bash_cv_pgrp_pipe=yes, - [AC_MSG_WARN(cannot check pgrp synchronization if cross compiling -- defaulting to no) - bash_cv_pgrp_pipe=no]) -]) -AC_MSG_RESULT($bash_cv_pgrp_pipe) -if test $bash_cv_pgrp_pipe = yes; then -AC_DEFINE(PGRP_PIPE) -fi -]) - -AH_TEMPLATE([MUST_REINSTALL_SIGHANDLERS], [Define if signal handlers must be reinstalled when invoked.]) -AC_DEFUN([BASH_SYS_REINSTALL_SIGHANDLERS], -[AC_REQUIRE([AC_TYPE_SIGNAL]) -AC_REQUIRE([BASH_SYS_SIGNAL_VINTAGE]) -AC_MSG_CHECKING([if signal handlers must be reinstalled when invoked]) -AC_CACHE_VAL(bash_cv_must_reinstall_sighandlers, -[AC_TRY_RUN([ -#include <signal.h> -#ifdef HAVE_UNISTD_H -#include <unistd.h> -#endif - -typedef RETSIGTYPE sigfunc(); - -int nsigint; - -#ifdef HAVE_POSIX_SIGNALS -sigfunc * -set_signal_handler(sig, handler) - int sig; - sigfunc *handler; -{ - struct sigaction act, oact; - act.sa_handler = handler; - act.sa_flags = 0; - sigemptyset (&act.sa_mask); - sigemptyset (&oact.sa_mask); - sigaction (sig, &act, &oact); - return (oact.sa_handler); -} -#else -#define set_signal_handler(s, h) signal(s, h) -#endif - -RETSIGTYPE -sigint(s) -int s; -{ - nsigint++; -} - -main() -{ - nsigint = 0; - set_signal_handler(SIGINT, sigint); - kill((int)getpid(), SIGINT); - kill((int)getpid(), SIGINT); - exit(nsigint != 2); -} -], bash_cv_must_reinstall_sighandlers=no, bash_cv_must_reinstall_sighandlers=yes, - [AC_MSG_WARN(cannot check signal handling if cross compiling -- defaulting to no) - bash_cv_must_reinstall_sighandlers=no] -)]) -AC_MSG_RESULT($bash_cv_must_reinstall_sighandlers) -if test $bash_cv_must_reinstall_sighandlers = yes; then -AC_DEFINE(MUST_REINSTALL_SIGHANDLERS) -fi -]) - -dnl check that some necessary job control definitions are present -AC_DEFUN([BASH_SYS_JOB_CONTROL_MISSING], -[AC_REQUIRE([BASH_SYS_SIGNAL_VINTAGE]) -AC_MSG_CHECKING(for presence of necessary job control definitions) -AC_CACHE_VAL(bash_cv_job_control_missing, -[AC_TRY_RUN([ -#include <sys/types.h> -#ifdef HAVE_SYS_WAIT_H -#include <sys/wait.h> -#endif -#ifdef HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <signal.h> - -/* Add more tests in here as appropriate. */ -main() -{ -/* signal type */ -#if !defined (HAVE_POSIX_SIGNALS) && !defined (HAVE_BSD_SIGNALS) -exit(1); -#endif - -/* signals and tty control. */ -#if !defined (SIGTSTP) || !defined (SIGSTOP) || !defined (SIGCONT) -exit (1); -#endif - -/* process control */ -#if !defined (WNOHANG) || !defined (WUNTRACED) -exit(1); -#endif - -/* Posix systems have tcgetpgrp and waitpid. */ -#if defined (_POSIX_VERSION) && !defined (HAVE_TCGETPGRP) -exit(1); -#endif - -#if defined (_POSIX_VERSION) && !defined (HAVE_WAITPID) -exit(1); -#endif - -/* Other systems have TIOCSPGRP/TIOCGPRGP and wait3. */ -#if !defined (_POSIX_VERSION) && !defined (HAVE_WAIT3) -exit(1); -#endif - -exit(0); -}], bash_cv_job_control_missing=present, bash_cv_job_control_missing=missing, - [AC_MSG_WARN(cannot check job control if cross-compiling -- defaulting to missing) - bash_cv_job_control_missing=missing] -)]) -AC_MSG_RESULT($bash_cv_job_control_missing) -if test $bash_cv_job_control_missing = missing; then -AC_DEFINE(JOB_CONTROL_MISSING) -fi -]) - -dnl check whether named pipes are present -dnl this requires a previous check for mkfifo, but that is awkward to specify -AC_DEFUN([BASH_SYS_NAMED_PIPES], -[AC_MSG_CHECKING(for presence of named pipes) -AC_CACHE_VAL(bash_cv_sys_named_pipes, -[AC_TRY_RUN([ -#include <sys/types.h> -#include <sys/stat.h> -#ifdef HAVE_UNISTD_H -#include <unistd.h> -#endif - -/* Add more tests in here as appropriate. */ -main() -{ -int fd, err; - -#if defined (HAVE_MKFIFO) -exit (0); -#endif - -#if !defined (S_IFIFO) && (defined (_POSIX_VERSION) && !defined (S_ISFIFO)) -exit (1); -#endif - -#if defined (NeXT) -exit (1); -#endif -err = mkdir("/tmp/bash-aclocal", 0700); -if (err < 0) { - perror ("mkdir"); - exit(1); -} -fd = mknod ("/tmp/bash-aclocal/sh-np-autoconf", 0666 | S_IFIFO, 0); -if (fd == -1) { - rmdir ("/tmp/bash-aclocal"); - exit (1); -} -close(fd); -unlink ("/tmp/bash-aclocal/sh-np-autoconf"); -rmdir ("/tmp/bash-aclocal"); -exit(0); -}], bash_cv_sys_named_pipes=present, bash_cv_sys_named_pipes=missing, - [AC_MSG_WARN(cannot check for named pipes if cross-compiling -- defaulting to missing) - bash_cv_sys_named_pipes=missing] -)]) -AC_MSG_RESULT($bash_cv_sys_named_pipes) -if test $bash_cv_sys_named_pipes = missing; then -AC_DEFINE(NAMED_PIPES_MISSING) -fi -]) - -AC_DEFUN([BASH_SYS_DEFAULT_MAIL_DIR], -[AC_MSG_CHECKING(for default mail directory) -AC_CACHE_VAL(bash_cv_mail_dir, -[if test -d /var/mail; then - bash_cv_mail_dir=/var/mail - elif test -d /var/spool/mail; then - bash_cv_mail_dir=/var/spool/mail - elif test -d /usr/mail; then - bash_cv_mail_dir=/usr/mail - elif test -d /usr/spool/mail; then - bash_cv_mail_dir=/usr/spool/mail - else - bash_cv_mail_dir=unknown - fi -]) -AC_MSG_RESULT($bash_cv_mail_dir) -AC_DEFINE_UNQUOTED(DEFAULT_MAIL_DIRECTORY, "$bash_cv_mail_dir") -]) - -AC_DEFUN([BASH_HAVE_TIOCGWINSZ], -[AC_MSG_CHECKING(for TIOCGWINSZ in sys/ioctl.h) -AC_CACHE_VAL(bash_cv_tiocgwinsz_in_ioctl, -[AC_TRY_COMPILE([#include <sys/types.h> -#include <sys/ioctl.h>], [int x = TIOCGWINSZ;], - bash_cv_tiocgwinsz_in_ioctl=yes,bash_cv_tiocgwinsz_in_ioctl=no)]) -AC_MSG_RESULT($bash_cv_tiocgwinsz_in_ioctl) -if test $bash_cv_tiocgwinsz_in_ioctl = yes; then -AC_DEFINE(GWINSZ_IN_SYS_IOCTL) -fi -]) - -AH_TEMPLATE([TIOCSTAT_IN_SYS_IOCTL], [Define if TIOCSTAT is in sys/ioctl.h]) -AC_DEFUN([BASH_HAVE_TIOCSTAT], -[AC_MSG_CHECKING(for TIOCSTAT in sys/ioctl.h) -AC_CACHE_VAL(bash_cv_tiocstat_in_ioctl, -[AC_TRY_COMPILE([#include <sys/types.h> -#include <sys/ioctl.h>], [int x = TIOCSTAT;], - bash_cv_tiocstat_in_ioctl=yes,bash_cv_tiocstat_in_ioctl=no)]) -AC_MSG_RESULT($bash_cv_tiocstat_in_ioctl) -if test $bash_cv_tiocstat_in_ioctl = yes; then -AC_DEFINE(TIOCSTAT_IN_SYS_IOCTL) -fi -]) - -AH_TEMPLATE([FIONREAD_IN_SYS_IOCTL], [Define if FIONREAD is in sys/ioctl.h]) -AC_DEFUN([BASH_HAVE_FIONREAD], -[AC_MSG_CHECKING(for FIONREAD in sys/ioctl.h) -AC_CACHE_VAL(bash_cv_fionread_in_ioctl, -[AC_TRY_COMPILE([#include <sys/types.h> -#include <sys/ioctl.h>], [int x = FIONREAD;], - bash_cv_fionread_in_ioctl=yes,bash_cv_fionread_in_ioctl=no)]) -AC_MSG_RESULT($bash_cv_fionread_in_ioctl) -if test $bash_cv_fionread_in_ioctl = yes; then -AC_DEFINE(FIONREAD_IN_SYS_IOCTL) -fi -]) - -dnl -dnl See if speed_t is declared in <sys/types.h>. Some versions of linux -dnl require a definition of speed_t each time <termcap.h> is included, -dnl but you can only get speed_t if you include <termios.h> (on some -dnl versions) or <sys/types.h> (on others). -dnl -AH_TEMPLATE([SPEED_T_IN_SYS_TYPES], [Define if speed_t is in sys/types.h]) -AC_DEFUN([BASH_CHECK_SPEED_T], -[AC_MSG_CHECKING(for speed_t in sys/types.h) -AC_CACHE_VAL(bash_cv_speed_t_in_sys_types, -[AC_TRY_COMPILE([#include <sys/types.h>], [speed_t x;], - bash_cv_speed_t_in_sys_types=yes,bash_cv_speed_t_in_sys_types=no)]) -AC_MSG_RESULT($bash_cv_speed_t_in_sys_types) -if test $bash_cv_speed_t_in_sys_types = yes; then -AC_DEFINE(SPEED_T_IN_SYS_TYPES) -fi -]) - -AH_TEMPLATE([HAVE_GETPW_DECLS], [Define if getpw functions are declared in pwd.h]) -AC_DEFUN([BASH_CHECK_GETPW_FUNCS], -[AC_MSG_CHECKING(whether getpw functions are declared in pwd.h) -AC_CACHE_VAL(bash_cv_getpw_declared, -[AC_EGREP_CPP(getpwuid, -[ -#include <sys/types.h> -#ifdef HAVE_UNISTD_H -# include <unistd.h> -#endif -#include <pwd.h> -], -bash_cv_getpw_declared=yes,bash_cv_getpw_declared=no)]) -AC_MSG_RESULT($bash_cv_getpw_declared) -if test $bash_cv_getpw_declared = yes; then -AC_DEFINE(HAVE_GETPW_DECLS) -fi -]) - -AC_DEFUN([BASH_CHECK_DEV_FD], -[AC_MSG_CHECKING(whether /dev/fd is available) -AC_CACHE_VAL(bash_cv_dev_fd, -[if test -d /dev/fd && test -r /dev/fd/0; then - bash_cv_dev_fd=standard - elif test -d /proc/self/fd && test -r /proc/self/fd/0; then - bash_cv_dev_fd=whacky - else - bash_cv_dev_fd=absent - fi -]) -AC_MSG_RESULT($bash_cv_dev_fd) -if test $bash_cv_dev_fd = "standard"; then - AC_DEFINE(HAVE_DEV_FD) - AC_DEFINE(DEV_FD_PREFIX, "/dev/fd/") -elif test $bash_cv_dev_fd = "whacky"; then - AC_DEFINE(HAVE_DEV_FD) - AC_DEFINE(DEV_FD_PREFIX, "/proc/self/fd/") -fi -]) - -AC_DEFUN([BASH_CHECK_DEV_STDIN], -[AC_MSG_CHECKING(whether /dev/stdin stdout stderr are available) -AC_CACHE_VAL(bash_cv_dev_stdin, -[if test -d /dev/fd && test -r /dev/stdin; then - bash_cv_dev_stdin=present - elif test -d /proc/self/fd && test -r /dev/stdin; then - bash_cv_dev_stdin=present - else - bash_cv_dev_stdin=absent - fi -]) -AC_MSG_RESULT($bash_cv_dev_stdin) -if test $bash_cv_dev_stdin = "present"; then - AC_DEFINE(HAVE_DEV_STDIN) -fi -]) - -dnl -dnl Check if HPUX needs _KERNEL defined for RLIMIT_* definitions -dnl -AC_DEFUN([BASH_CHECK_KERNEL_RLIMIT], -[AC_MSG_CHECKING([whether $host_os needs _KERNEL for RLIMIT defines]) -AC_CACHE_VAL(bash_cv_kernel_rlimit, -[AC_TRY_COMPILE([ -#include <sys/types.h> -#include <sys/resource.h> -], -[ - int f; - f = RLIMIT_DATA; -], bash_cv_kernel_rlimit=no, -[AC_TRY_COMPILE([ -#include <sys/types.h> -#define _KERNEL -#include <sys/resource.h> -#undef _KERNEL -], -[ - int f; - f = RLIMIT_DATA; -], bash_cv_kernel_rlimit=yes, bash_cv_kernel_rlimit=no)] -)]) -AC_MSG_RESULT($bash_cv_kernel_rlimit) -if test $bash_cv_kernel_rlimit = yes; then -AC_DEFINE(RLIMIT_NEEDS_KERNEL) -fi -]) - -dnl -dnl Check for 64-bit off_t -- used for malloc alignment -dnl -dnl C does not allow duplicate case labels, so the compile will fail if -dnl sizeof(off_t) is > 4. -dnl -AC_DEFUN([BASH_CHECK_OFF_T_64], -[AC_CACHE_CHECK(for 64-bit off_t, bash_cv_off_t_64, -AC_TRY_COMPILE([ -#ifdef HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <sys/types.h> -],[ -switch (0) case 0: case (sizeof (off_t) <= 4):; -], bash_cv_off_t_64=no, bash_cv_off_t_64=yes)) -if test $bash_cv_off_t_64 = yes; then - AC_DEFINE(HAVE_OFF_T_64) -fi]) - -AC_DEFUN([BASH_CHECK_RTSIGS], -[AC_MSG_CHECKING(for unusable real-time signals due to large values) -AC_CACHE_VAL(bash_cv_unusable_rtsigs, -[AC_TRY_RUN([ -#include <sys/types.h> -#include <signal.h> - -#ifndef NSIG -# define NSIG 64 -#endif - -main () -{ - int n_sigs = 2 * NSIG; -#ifdef SIGRTMIN - int rtmin = SIGRTMIN; -#else - int rtmin = 0; -#endif - - exit(rtmin < n_sigs); -}], bash_cv_unusable_rtsigs=yes, bash_cv_unusable_rtsigs=no, - [AC_MSG_WARN(cannot check real-time signals if cross compiling -- defaulting to yes) - bash_cv_unusable_rtsigs=yes] -)]) -AC_MSG_RESULT($bash_cv_unusable_rtsigs) -if test $bash_cv_unusable_rtsigs = yes; then -AC_DEFINE(UNUSABLE_RT_SIGNALS) -fi -]) - -dnl -dnl check for availability of multibyte characters and functions -dnl -AH_TEMPLATE([HAVE_MBSRTOWCS], [Define if we have the mbsrtowcs function]) -AH_TEMPLATE([HAVE_WCWIDTH], [Define if we have the wcwidth function]) -AH_TEMPLATE([HAVE_MBSTATE_T], [Define if we have mbstate_t]) -AH_TEMPLATE([HAVE_LANGINFO_CODESET], [Define if we have nl_langinfo and CODESET]) -AC_DEFUN([BASH_CHECK_MULTIBYTE], -[ -AC_CHECK_HEADERS(wctype.h) -AC_CHECK_HEADERS(wchar.h) -AC_CHECK_HEADERS(langinfo.h) - -AC_CHECK_FUNC(mbsrtowcs, AC_DEFINE(HAVE_MBSRTOWCS)) -AC_CHECK_FUNC(wcwidth, AC_DEFINE(HAVE_WCWIDTH)) - -AC_CACHE_CHECK([for mbstate_t], bash_cv_have_mbstate_t, -[AC_TRY_RUN([ -#include <wchar.h> -int -main () -{ - mbstate_t ps; - return 0; -}], bash_cv_have_mbstate_t=yes, bash_cv_have_mbstate_t=no)]) -if test $bash_cv_have_mbstate_t = yes; then - AC_DEFINE(HAVE_MBSTATE_T) -fi - -AC_CACHE_CHECK([for nl_langinfo and CODESET], bash_cv_langinfo_codeset, -[AC_TRY_LINK( -[#include <langinfo.h>], -[char* cs = nl_langinfo(CODESET);], -bash_cv_langinfo_codeset=yes, bash_cv_langinfo_codeset=no)]) -if test $bash_cv_langinfo_codeset = yes; then - AC_DEFINE(HAVE_LANGINFO_CODESET) -fi - -]) - -dnl need: prefix exec_prefix libdir includedir CC TERMCAP_LIB -dnl require: -dnl AC_PROG_CC -dnl BASH_CHECK_LIB_TERMCAP - -AC_DEFUN([RL_LIB_READLINE_VERSION], -[ -AC_REQUIRE([BASH_CHECK_LIB_TERMCAP]) - -AC_MSG_CHECKING([version of installed readline library]) - -# What a pain in the ass this is. - -# save cpp and ld options -_save_CFLAGS="$CFLAGS" -_save_LDFLAGS="$LDFLAGS" -_save_LIBS="$LIBS" - -# Don't set ac_cv_rl_prefix if the caller has already assigned a value. This -# allows the caller to do something like $_rl_prefix=$withval if the user -# specifies --with-installed-readline=PREFIX as an argument to configure - -if test -z "$ac_cv_rl_prefix"; then -test "x$prefix" = xNONE && ac_cv_rl_prefix=$ac_default_prefix || ac_cv_rl_prefix=${prefix} -fi - -eval ac_cv_rl_includedir=${ac_cv_rl_prefix}/include -eval ac_cv_rl_libdir=${ac_cv_rl_prefix}/lib - -LIBS="$LIBS -lreadline ${TERMCAP_LIB}" -CFLAGS="$CFLAGS -I${ac_cv_rl_includedir}" -LDFLAGS="$LDFLAGS -L${ac_cv_rl_libdir}" - -AC_TRY_RUN([ -#include <stdio.h> -#include <readline/readline.h> - -main() -{ - FILE *fp; - fp = fopen("conftest.rlv", "w"); - if (fp == 0) exit(1); - fprintf(fp, "%s\n", rl_library_version ? rl_library_version : "0.0"); - fclose(fp); - exit(0); -} -], -ac_cv_rl_version=`cat conftest.rlv`, -ac_cv_rl_version='0.0', -ac_cv_rl_version='4.2') - -CFLAGS="$_save_CFLAGS" -LDFLAGS="$_save_LDFLAGS" -LIBS="$_save_LIBS" - -RL_MAJOR=0 -RL_MINOR=0 - -# ( -case "$ac_cv_rl_version" in -2*|3*|4*|5*|6*|7*|8*|9*) - RL_MAJOR=`echo $ac_cv_rl_version | sed 's:\..*$::'` - RL_MINOR=`echo $ac_cv_rl_version | sed -e 's:^.*\.::' -e 's:[[a-zA-Z]]*$::'` - ;; -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 -]) |