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* configure.in: Check for <sys/types.h>. Check return and

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argument types of ptrace.
* configure, config.in: Regenerate.
This commit is contained in:
Mark Kettenis 2004-08-09 19:20:13 +00:00
parent 6a89fc9c75
commit 086ec9ebe9
4 changed files with 594 additions and 288 deletions
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6
gdb/ChangeLog
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@ -1,3 +1,9 @@
2004-08-09 Mark Kettenis <kettenis@gnu.org>
* configure.in: Check for <sys/types.h>. Check return and
argument types of ptrace.
* configure, config.in: Regenerate.
2004-08-09 Jim Blandy <jimb@redhat.com>
* rs6000-tdep.c (set_sim_regno, init_sim_regno_table,

15
gdb/config.in
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@ -386,6 +386,9 @@
/* Define if you have the <sys/syscall.h> header file. */
#undef HAVE_SYS_SYSCALL_H
/* Define if you have the <sys/types.h> header file. */
#undef HAVE_SYS_TYPES_H
/* Define if you have the <sys/user.h> header file. */
#undef HAVE_SYS_USER_H
@ -459,6 +462,18 @@
/* Define to 1 if we found this declaration otherwise define to 0. */
#undef HAVE_DECL_GETOPT
/* Define to 1 if we found this declaration otherwise define to 0. */
#undef HAVE_DECL_PTRACE
/* Define as the return type of ptrace. */
#undef PTRACE_TYPE_RET
/* Define to the type of arg 3 for ptrace. */
#undef PTRACE_TYPE_ARG3
/* Define to the type of arg 5 for ptrace. */
#undef PTRACE_TYPE_ARG5
/* Define if sigsetjmp is available. */
#undef HAVE_SIGSETJMP

796
gdb/configure vendored
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File diff suppressed because it is too large Load Diff

65
gdb/configure.in
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@ -413,6 +413,7 @@ AC_CHECK_HEADERS(sys/ptrace.h ptrace.h)
AC_CHECK_HEADERS(sys/reg.h sys/debugreg.h)
AC_CHECK_HEADERS(sys/select.h)
AC_CHECK_HEADERS(sys/syscall.h)
AC_CHECK_HEADERS(sys/types.h)
AC_CHECK_HEADERS(sys/user.h)
AC_CHECK_HEADERS(sys/wait.h wait.h)
AC_CHECK_HEADERS(termios.h termio.h sgtty.h)
@ -447,6 +448,7 @@ AC_MSG_RESULT($gdb_cv_have_struct_stat_with_st_blocks_member)
if test $gdb_cv_have_struct_stat_with_st_blocks_member = yes; then
AC_DEFINE(HAVE_STRUCT_STAT_ST_BLOCKS)
fi
# ------------------------- #
# Checks for declarations. #
# ------------------------- #
@ -482,6 +484,69 @@ AC_CHECK_FUNCS(sigaction sigprocmask sigsetmask)
AC_CHECK_FUNCS(socketpair)
AC_CHECK_FUNCS(syscall)
# Check the return and argument types of ptrace. No canned test for
# this, so roll our own.
gdb_ptrace_headers='
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_SYS_PTRACE_H
# include <sys/ptrace.h>
#endif
#if HAVE_UNISTD_H
# include <unistd.h>
#endif
'
# There is no point in checking if we don't have a prototype.
gcc_AC_CHECK_DECLS(ptrace, , [
: ${gdb_cv_func_ptrace_ret='int'}
: ${gdb_cv_func_ptrace_args='int,int,long,long'}
], $gdb_ptrace_headers)
# Check return type.
AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret,
AC_TRY_COMPILE($gdb_ptrace_headers,
[extern long ptrace ();],
gdb_cv_func_ptrace_ret='long',
gdb_cv_func_ptrace_ret='int'))
AC_DEFINE_UNQUOTED(PTRACE_TYPE_RET, $gdb_cv_func_ptrace_ret,
[Define as the return type of ptrace.])
# Check argument types.
AC_CACHE_CHECK([types of arguments for ptrace], gdb_cv_func_ptrace_args, [
for gdb_arg1 in 'int' 'long'; do
for gdb_arg2 in 'pid_t' 'int' 'long'; do
for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long'; do
for gdb_arg4 in 'int' 'long'; do
AC_TRY_COMPILE($gdb_ptrace_headers, [
extern $gdb_cv_func_ptrace_ret
ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4);
], [gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4";
break 4;])
for gdb_arg5 in 'int *' 'int' 'long'; do
AC_TRY_COMPILE($gdb_ptrace_headers, [
extern $gdb_cv_func_ptrace_ret
ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4, $gdb_arg5);
], [
gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5";
break 5;])
done
done
done
done
done
# Provide a safe default value.
: ${gdb_cv_func_ptrace_args='int,int,long,long'}
])
ac_save_IFS=$IFS; IFS=','
set dummy `echo "$gdb_cv_func_ptrace_args" | sed 's/\*/\*/g'`
IFS=$ac_save_IFS
shift
AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG3, ($[3]),
[Define to the type of arg 3 for ptrace.])
if test -n "$[5]"; then
AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG5, ($[5]),
[Define to the type of arg 5 for ptrace.])
fi
dnl AC_FUNC_SETPGRP does not work when cross compiling
dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
if test "$cross_compiling" = no; then