diff options
author | Colin Watson <cjwatson@debian.org> | 2011-03-27 18:18:00 +0100 |
---|---|---|
committer | Colin Watson <cjwatson@debian.org> | 2011-03-27 18:18:00 +0100 |
commit | 566ee019d9e97ad2d337ce899d50293c755b0e6d (patch) | |
tree | ce4489025dd4c723b48c941bee6c28c38b505f07 | |
parent | 6c36ec65ba5436582f64df7f2e575d53210e73a5 (diff) |
autoreconf (r1321 was accidentally out of sync)
-rw-r--r-- | config.h.in | 18 | ||||
-rwxr-xr-x | configure | 218 |
2 files changed, 0 insertions, 236 deletions
diff --git a/config.h.in b/config.h.in index 83d2b2bc..d6be914e 100644 --- a/config.h.in +++ b/config.h.in @@ -536,9 +536,6 @@ /* Define to 1 if you have the `flockfile' function. */ #undef HAVE_FLOCKFILE -/* Define to 1 if you have the `fork' function. */ -#undef HAVE_FORK - /* Define to 1 if you have the `fstatat' function. */ #undef HAVE_FSTATAT @@ -1449,12 +1446,6 @@ /* Define to 1 if you have the `vasprintf' function. */ #undef HAVE_VASPRINTF -/* Define to 1 if you have the `vfork' function. */ -#undef HAVE_VFORK - -/* Define to 1 if you have the <vfork.h> header file. */ -#undef HAVE_VFORK_H - /* Define if you have vgrind. */ #undef HAVE_VGRIND @@ -1497,18 +1488,12 @@ /* Define to 1 if you have the `wmempcpy' function. */ #undef HAVE_WMEMPCPY -/* Define to 1 if `fork' works. */ -#undef HAVE_WORKING_FORK - /* Define to 1 if O_NOATIME works. */ #undef HAVE_WORKING_O_NOATIME /* Define to 1 if O_NOFOLLOW works. */ #undef HAVE_WORKING_O_NOFOLLOW -/* Define to 1 if `vfork' works. */ -#undef HAVE_WORKING_VFORK - /* Define if you have xz. */ #undef HAVE_XZ @@ -1932,6 +1917,3 @@ /* Define as a macro for copying va_list variables. */ #undef va_copy - -/* Define as `fork' if `vfork' does not work. */ -#undef vfork @@ -36930,224 +36930,6 @@ _ACEOF fi -# Checks for functions. -for ac_header in vfork.h -do : - ac_fn_c_check_header_mongrel "$LINENO" "vfork.h" "ac_cv_header_vfork_h" "$ac_includes_default" -if test "x$ac_cv_header_vfork_h" = x""yes; then : - cat >>confdefs.h <<_ACEOF -#define HAVE_VFORK_H 1 -_ACEOF - -fi - -done - -for ac_func in fork vfork -do : - as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh` -ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var" -if eval test \"x\$"$as_ac_var"\" = x"yes"; then : - cat >>confdefs.h <<_ACEOF -#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1 -_ACEOF - -fi -done - -if test "x$ac_cv_func_fork" = xyes; then - { $as_echo "$as_me:${as_lineno-$LINENO}: checking for working fork" >&5 -$as_echo_n "checking for working fork... " >&6; } -if test "${ac_cv_func_fork_works+set}" = set; then : - $as_echo_n "(cached) " >&6 -else - if test "$cross_compiling" = yes; then : - ac_cv_func_fork_works=cross -else - cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ -$ac_includes_default -int -main () -{ - - /* By Ruediger Kuhlmann. */ - return fork () < 0; - - ; - return 0; -} -_ACEOF -if ac_fn_c_try_run "$LINENO"; then : - ac_cv_func_fork_works=yes -else - ac_cv_func_fork_works=no -fi -rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ - conftest.$ac_objext conftest.beam conftest.$ac_ext -fi - -fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_fork_works" >&5 -$as_echo "$ac_cv_func_fork_works" >&6; } - -else - ac_cv_func_fork_works=$ac_cv_func_fork -fi -if test "x$ac_cv_func_fork_works" = xcross; then - case $host in - *-*-amigaos* | *-*-msdosdjgpp*) - # Override, as these systems have only a dummy fork() stub - ac_cv_func_fork_works=no - ;; - *) - ac_cv_func_fork_works=yes - ;; - esac - { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: result $ac_cv_func_fork_works guessed because of cross compilation" >&5 -$as_echo "$as_me: WARNING: result $ac_cv_func_fork_works guessed because of cross compilation" >&2;} -fi -ac_cv_func_vfork_works=$ac_cv_func_vfork -if test "x$ac_cv_func_vfork" = xyes; then - { $as_echo "$as_me:${as_lineno-$LINENO}: checking for working vfork" >&5 -$as_echo_n "checking for working vfork... " >&6; } -if test "${ac_cv_func_vfork_works+set}" = set; then : - $as_echo_n "(cached) " >&6 -else - if test "$cross_compiling" = yes; then : - ac_cv_func_vfork_works=cross -else - cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ -/* Thanks to Paul Eggert for this test. */ -$ac_includes_default -#include <sys/wait.h> -#ifdef HAVE_VFORK_H -# include <vfork.h> -#endif -/* On some sparc systems, changes by the child to local and incoming - argument registers are propagated back to the parent. The compiler - is told about this with #include <vfork.h>, but some compilers - (e.g. gcc -O) don't grok <vfork.h>. Test for this by using a - static variable whose address is put into a register that is - clobbered by the vfork. */ -static void -#ifdef __cplusplus -sparc_address_test (int arg) -# else -sparc_address_test (arg) int arg; -#endif -{ - static pid_t child; - if (!child) { - child = vfork (); - if (child < 0) { - perror ("vfork"); - _exit(2); - } - if (!child) { - arg = getpid(); - write(-1, "", 0); - _exit (arg); - } - } -} - -int -main () -{ - pid_t parent = getpid (); - pid_t child; - - sparc_address_test (0); - - child = vfork (); - - if (child == 0) { - /* Here is another test for sparc vfork register problems. This - test uses lots of local variables, at least as many local - variables as main has allocated so far including compiler - temporaries. 4 locals are enough for gcc 1.40.3 on a Solaris - 4.1.3 sparc, but we use 8 to be safe. A buggy compiler should - reuse the register of parent for one of the local variables, - since it will think that parent can't possibly be used any more - in this routine. Assigning to the local variable will thus - munge parent in the parent process. */ - pid_t - p = getpid(), p1 = getpid(), p2 = getpid(), p3 = getpid(), - p4 = getpid(), p5 = getpid(), p6 = getpid(), p7 = getpid(); - /* Convince the compiler that p..p7 are live; otherwise, it might - use the same hardware register for all 8 local variables. */ - if (p != p1 || p != p2 || p != p3 || p != p4 - || p != p5 || p != p6 || p != p7) - _exit(1); - - /* On some systems (e.g. IRIX 3.3), vfork doesn't separate parent - from child file descriptors. If the child closes a descriptor - before it execs or exits, this munges the parent's descriptor - as well. Test for this by closing stdout in the child. */ - _exit(close(fileno(stdout)) != 0); - } else { - int status; - struct stat st; - - while (wait(&status) != child) - ; - return ( - /* Was there some problem with vforking? */ - child < 0 - - /* Did the child fail? (This shouldn't happen.) */ - || status - - /* Did the vfork/compiler bug occur? */ - || parent != getpid() - - /* Did the file descriptor bug occur? */ - || fstat(fileno(stdout), &st) != 0 - ); - } -} -_ACEOF -if ac_fn_c_try_run "$LINENO"; then : - ac_cv_func_vfork_works=yes -else - ac_cv_func_vfork_works=no -fi -rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ - conftest.$ac_objext conftest.beam conftest.$ac_ext -fi - -fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_vfork_works" >&5 -$as_echo "$ac_cv_func_vfork_works" >&6; } - -fi; -if test "x$ac_cv_func_fork_works" = xcross; then - ac_cv_func_vfork_works=$ac_cv_func_vfork - { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: result $ac_cv_func_vfork_works guessed because of cross compilation" >&5 -$as_echo "$as_me: WARNING: result $ac_cv_func_vfork_works guessed because of cross compilation" >&2;} -fi - -if test "x$ac_cv_func_vfork_works" = xyes; then - -$as_echo "#define HAVE_WORKING_VFORK 1" >>confdefs.h - -else - -$as_echo "#define vfork fork" >>confdefs.h - -fi -if test "x$ac_cv_func_fork_works" = xyes; then - -$as_echo "#define HAVE_WORKING_FORK 1" >>confdefs.h - -fi - -if test "x$ac_cv_func_fork_works" != xyes; then - as_fn_error $? "cannot use man-db on systems without fork" "$LINENO" 5 -fi - # Check for pipeline library. |