diff options
Diffstat (limited to 'gdb/configure.in')
| -rw-r--r-- | gdb/configure.in | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/gdb/configure.in b/gdb/configure.in index 07aab351423..38792e03396 100644 --- a/gdb/configure.in +++ b/gdb/configure.in @@ -357,6 +357,12 @@ AC_CHECK_HEADERS(curses.h ncurses.h term.h) # unconditionally, so what's the point in checking these? AC_CHECK_HEADERS(ctype.h time.h) +# ------------------------- # +# Checks for declarations. # +# ------------------------- # + +gcc_AC_CHECK_DECLS(getopt) + # ------------------ # # Checks for types. # # ------------------ # @@ -384,6 +390,7 @@ AC_CHECK_FUNCS(sbrk) AC_CHECK_FUNCS(setpgid setpgrp) AC_CHECK_FUNCS(sigaction sigprocmask sigsetmask) AC_CHECK_FUNCS(socketpair) +AC_CHECK_FUNCS(syscall) dnl AC_FUNC_SETPGRP does not work when cross compiling dnl Instead, assume we will have a prototype for setpgrp if cross compiling. @@ -911,6 +918,24 @@ if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then [Define if <thread_db.h> has the TD_NOTALLOC error code.]) fi +dnl See if we have a sys/syscall header file that has __NR_tkill. +if test "x$ac_cv_header_sys_syscall_h" = "xyes"; then + AC_CACHE_CHECK([whether <sys/syscall.h> has __NR_tkill], + gdb_cv_sys_syscall_h_has_tkill, + AC_TRY_COMPILE( + [#include <sys/syscall.h>], + [int i = __NR_tkill;], + gdb_cv_sys_syscall_h_has_tkill=yes, + gdb_cv_sys_syscall_h_has_tkill=no + ) + ) +fi +dnl See if we can issue tkill syscall. +if test "x$gdb_cv_sys_syscall_h_has_tkill" = "xyes" && test "x$ac_cv_func_syscall" = "xyes"; then + AC_DEFINE(HAVE_TKILL_SYSCALL, 1, + [Define if we can use the tkill syscall.]) +fi + dnl Handle optional features that can be enabled. AC_ARG_WITH(sysroot, |