diff options
| -rwxr-xr-x | configure | 105 | ||||
| -rw-r--r-- | configure.in | 1 | ||||
| -rw-r--r-- | h/config.h.in | 3 |
3 files changed, 100 insertions, 9 deletions
@@ -3718,8 +3718,95 @@ fi fi +echo $ac_n "checking whether getpgrp takes no argument""... $ac_c" 1>&6 +echo "configure:3723: checking whether getpgrp takes no argument" >&5 +if eval "test \"`echo '$''{'ac_cv_func_getpgrp_void'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + if test "$cross_compiling" = yes; then + { echo "configure: error: cannot check getpgrp if cross compiling" 1>&2; exit 1; } +else + cat > conftest.$ac_ext <<EOF +#line 3731 "configure" +#include "confdefs.h" + +/* + * If this system has a BSD-style getpgrp(), + * which takes a pid argument, exit unsuccessfully. + * + * Snarfed from Chet Ramey's bash pgrp.c test program + */ +#include <stdio.h> +#include <sys/types.h> + +int pid; +int pg1, pg2, pg3, pg4; +int ng, np, s, child; + +main() +{ + pid = getpid(); + pg1 = getpgrp(0); + pg2 = getpgrp(); + pg3 = getpgrp(pid); + pg4 = getpgrp(1); + + /* + * If all of these values are the same, it's pretty sure that + * we're on a system that ignores getpgrp's first argument. + */ + if (pg2 == pg4 && pg1 == pg3 && pg2 == pg3) + exit(0); + + child = fork(); + if (child < 0) + exit(1); + else if (child == 0) { + np = getpid(); + /* + * If this is Sys V, this will not work; pgrp will be + * set to np because setpgrp just changes a pgrp to be + * the same as the pid. + */ + setpgrp(np, pg1); + ng = getpgrp(0); /* Same result for Sys V and BSD */ + if (ng == pg1) { + exit(1); + } else { + exit(0); + } + } else { + wait(&s); + exit(s>>8); + } +} + +EOF +if { (eval echo configure:3786: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null +then + ac_cv_func_getpgrp_void=yes +else + echo "configure: failed program was:" >&5 + cat conftest.$ac_ext >&5 + rm -fr conftest* + ac_cv_func_getpgrp_void=no +fi +rm -fr conftest* +fi + + +fi + +echo "$ac_t""$ac_cv_func_getpgrp_void" 1>&6 +if test $ac_cv_func_getpgrp_void = yes; then + cat >> confdefs.h <<\EOF +#define GETPGRP_VOID 1 +EOF + +fi + echo $ac_n "checking whether setpgrp takes no argument""... $ac_c" 1>&6 -echo "configure:3723: checking whether setpgrp takes no argument" >&5 +echo "configure:3810: checking whether setpgrp takes no argument" >&5 if eval "test \"`echo '$''{'ac_cv_func_setpgrp_void'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -3727,7 +3814,7 @@ else { echo "configure: error: cannot check setpgrp if cross compiling" 1>&2; exit 1; } else cat > conftest.$ac_ext <<EOF -#line 3731 "configure" +#line 3818 "configure" #include "confdefs.h" /* @@ -3743,7 +3830,7 @@ main() } EOF -if { (eval echo configure:3747: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null +if { (eval echo configure:3834: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null then ac_cv_func_setpgrp_void=no else @@ -3769,12 +3856,12 @@ fi for ac_func in putenv strchr memcpy memmove waitpid getlogin strerror random do echo $ac_n "checking for $ac_func""... $ac_c" 1>&6 -echo "configure:3773: checking for $ac_func" >&5 +echo "configure:3860: checking for $ac_func" >&5 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 3778 "configure" +#line 3865 "configure" #include "confdefs.h" /* System header to define __stub macros and hopefully few prototypes, which can conflict with char $ac_func(); below. */ @@ -3797,7 +3884,7 @@ $ac_func(); ; return 0; } EOF -if { (eval echo configure:3801: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then +if { (eval echo configure:3888: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then rm -rf conftest* eval "ac_cv_func_$ac_func=yes" else @@ -3824,12 +3911,12 @@ done for ac_func in lrand48 gethostid getsid getpgid krb_get_err_text krb_log do echo $ac_n "checking for $ac_func""... $ac_c" 1>&6 -echo "configure:3828: checking for $ac_func" >&5 +echo "configure:3915: checking for $ac_func" >&5 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 3833 "configure" +#line 3920 "configure" #include "confdefs.h" /* System header to define __stub macros and hopefully few prototypes, which can conflict with char $ac_func(); below. */ @@ -3852,7 +3939,7 @@ $ac_func(); ; return 0; } EOF -if { (eval echo configure:3856: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then +if { (eval echo configure:3943: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then rm -rf conftest* eval "ac_cv_func_$ac_func=yes" else diff --git a/configure.in b/configure.in index fe63acc..1de2c76 100644 --- a/configure.in +++ b/configure.in @@ -98,6 +98,7 @@ LIBS="$KRB4_LIBS $HESIOD_LIBS $LIBS" dnl Checks for library functions. AC_PROG_GCC_TRADITIONAL AC_FUNC_VPRINTF +AC_FUNC_GETPGRP AC_FUNC_SETPGRP AC_CHECK_FUNCS(putenv strchr memcpy memmove waitpid getlogin strerror random) AC_CHECK_FUNCS(lrand48 gethostid getsid getpgid krb_get_err_text krb_log) diff --git a/h/config.h.in b/h/config.h.in index 023ace9..015d9d3 100644 --- a/h/config.h.in +++ b/h/config.h.in @@ -1,5 +1,8 @@ /* h/config.h.in. Generated automatically from configure.in by autoheader. */ +/* Define if the `getpgrp' function takes no argument. */ +#undef GETPGRP_VOID + /* Define to `int' if <sys/types.h> doesn't define. */ #undef gid_t |