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-rw-r--r--main.c43
1 files changed, 23 insertions, 20 deletions
diff --git a/main.c b/main.c
index e5c7ad4..a959d77 100644
--- a/main.c
+++ b/main.c
@@ -27,8 +27,6 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
extern char *version_string;
-extern int fatal_error_signal ();
-
extern struct dep *read_all_makefiles ();
extern void print_variable_data_base ();
@@ -37,10 +35,11 @@ extern void print_rule_data_base ();
extern void print_file_data_base ();
extern void print_vpath_data_base ();
-#if !defined(__GNU_LIBRARY__) && !defined(POSIX)
+#ifndef HAVE_UNISTD_H
extern int chdir ();
+#endif
+#ifndef STDC_HEADERS
extern void exit ();
-extern time_t time ();
extern double atof ();
#endif
extern char *mktemp ();
@@ -334,7 +333,7 @@ struct file *default_file;
#ifdef POSIX
sigset_t fatal_signal_set;
#else
-#ifndef USG
+#ifndef SIGSETMASK_MISSING
int fatal_signal_mask;
#endif
#endif
@@ -345,10 +344,10 @@ main (argc, argv, envp)
char **argv;
char **envp;
{
-#if (defined(USG) && !defined(HAVE_SIGLIST)) || defined(DGUX)
+#ifdef SYS_SIGLIST_MISSING
extern void init_siglist ();
#endif
- extern int child_handler ();
+ extern RETSIGTYPE fatal_error_signal (), child_handler ();
register struct file *f;
register unsigned int i;
register char *cmd_defs;
@@ -364,7 +363,7 @@ main (argc, argv, envp)
reading_filename = 0;
reading_lineno_ptr = 0;
-#if (defined(USG) && !defined(HAVE_SIGLIST)) || defined(DGUX)
+#ifdef SYS_SIGLIST_MISSING
init_siglist ();
#endif
@@ -372,7 +371,7 @@ main (argc, argv, envp)
sigemptyset (&fatal_signal_set);
#define ADD_SIG(sig) sigaddset (&fatal_signal_set, sig)
#else
-#ifndef USG
+#ifndef SIGSETMASK_MISSING
fatal_signal_mask = 0;
#define ADD_SIG(sig) fatal_signal_mask |= sigmask (sig)
#else
@@ -381,9 +380,8 @@ main (argc, argv, envp)
#endif
#define FATAL_SIG(sig) \
- if (SIGNAL ((sig), (SIGHANDLER) fatal_error_signal) \
- == (SIGHANDLER) SIG_IGN) \
- (void) SIGNAL ((sig), SIG_IGN); \
+ if (signal ((sig), fatal_error_signal) == SIG_IGN) \
+ (void) signal ((sig), SIG_IGN); \
else \
ADD_SIG (sig);
@@ -420,6 +418,11 @@ main (argc, argv, envp)
/* Make sure stdout is line-buffered. */
+#ifndef SETLINEBUF_MISSING
+ setlinebuf (stdout);
+#else
+
+ /* XXX This should be decided by an autoconf test program. */
#if (defined (USGr3) || defined (HPUX) || defined (hpux) \
|| defined (M_XENIX) || defined (APOLLO) || defined (DGUX) \
|| defined (__IBMR2) || defined (POSIX))
@@ -431,11 +434,11 @@ main (argc, argv, envp)
#else
setvbuf (stdout, _IOLBF, (char *) 0, BUFSIZ);
#endif
-#else /* Not USG. */
- setlinebuf (stdout);
#endif /* USG. */
#endif /* USGr3. */
+#endif /* setlinebuf missing. */
+
/* Set up to access user data (files). */
user_access ();
@@ -456,9 +459,9 @@ main (argc, argv, envp)
/* Figure out where we are. */
- if (getwd (current_directory) == 0)
+ if (getcwd (current_directory, GET_PATH_MAX) == 0)
{
-#ifdef USG
+#ifndef GETCWD_MISSING
perror_with_name ("getcwd: ", "");
#else
error ("getwd: %s", current_directory);
@@ -662,9 +665,9 @@ main (argc, argv, envp)
reading in the makefiles so that `shell' function calls will work. */
#if defined (SIGCHLD) && !defined (USG)
- (void) SIGNAL (SIGCHLD, child_handler);
+ (void) signal (SIGCHLD, child_handler);
#else
- (void) SIGNAL (SIGCLD, child_handler);
+ (void) signal (SIGCLD, child_handler);
#endif
/* Define the initial list of suffixes for old-style rules. */
@@ -1503,9 +1506,9 @@ log_working_directory (entering)
else
printf ("%s[%u]: %s ", program, makelevel, message);
- if (getwd (pwdbuf) == 0)
+ if (getcwd (pwdbuf, GET_PATH_MAX) == 0)
{
-#ifdef USG
+#ifndef GETCWD_MISSING
perror_with_name ("getcwd: ", "");
#else
error ("getwd: %s", pwdbuf);