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-rw-r--r--main.c94
1 files changed, 59 insertions, 35 deletions
diff --git a/main.c b/main.c
index dcffa37..efad30d 100644
--- a/main.c
+++ b/main.c
@@ -22,6 +22,7 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "variable.h"
#include "job.h"
#include "commands.h"
+#include "rule.h"
#include "getopt.h"
#include <assert.h>
#ifdef _AMIGA
@@ -41,7 +42,6 @@ extern void init_dir PARAMS ((void));
extern void remote_setup PARAMS ((void));
extern void remote_cleanup PARAMS ((void));
extern RETSIGTYPE fatal_error_signal PARAMS ((int sig));
-extern RETSIGTYPE child_handler PARAMS ((int sig));
extern void print_variable_data_base PARAMS ((void));
extern void print_dir_data_base PARAMS ((void));
@@ -49,18 +49,22 @@ extern void print_rule_data_base PARAMS ((void));
extern void print_file_data_base PARAMS ((void));
extern void print_vpath_data_base PARAMS ((void));
+#if defined HAVE_WAITPID || defined HAVE_WAIT3
+# define HAVE_WAIT_NOHANG
+#endif
+
#ifndef HAVE_UNISTD_H
extern int chdir ();
#endif
#ifndef STDC_HEADERS
#ifndef sun /* Sun has an incorrect decl in a header. */
-extern void exit ();
+extern void exit PARAMS ((int)) __attribute__ ((noreturn));
#endif
extern double atof ();
#endif
extern char *mktemp ();
-static void print_data_base PARAMS((void));
+static void print_data_base PARAMS ((void));
static void print_version PARAMS ((void));
static void decode_switches PARAMS ((int argc, char **argv, int env));
static void decode_env_switches PARAMS ((char *envar, unsigned int len));
@@ -413,7 +417,7 @@ enter_command_line_file (name)
char *name;
{
if (name[0] == '\0')
- fatal ("empty string invalid as file name");
+ fatal (NILF, "empty string invalid as file name");
if (name[0] == '~')
{
@@ -664,8 +668,7 @@ int main (int argc, char ** argv)
#endif
default_goal_file = 0;
- reading_filename = 0;
- reading_lineno_ptr = 0;
+ reading_file = 0;
#if defined (__MSDOS__) && !defined (_POSIX_SOURCE)
/* Request the most powerful version of `system', to
@@ -722,6 +725,20 @@ int main (int argc, char ** argv)
#undef FATAL_SIG
+ /* Do not ignore the child-death signal. This must be done before
+ any children could possibly be created; otherwise, the wait
+ functions won't work on systems with the SVR4 ECHILD brain
+ damage, if our invoker is ignoring this signal. */
+
+#ifdef HAVE_WAIT_NOHANG
+# if defined SIGCHLD
+ (void) signal (SIGCHLD, SIG_DFL);
+# endif
+# if defined SIGCLD && SIGCLD != SIGCHLD
+ (void) signal (SIGCLD, SIG_DFL);
+# endif
+#endif
+
/* Make sure stdout is line-buffered. */
#ifdef HAVE_SETLINEBUF
@@ -782,7 +799,7 @@ int main (int argc, char ** argv)
#ifdef HAVE_GETCWD
perror_with_name ("getcwd: ", "");
#else
- error ("getwd: %s", current_directory);
+ error (NILF, "getwd: %s", current_directory);
#endif
current_directory[0] = '\0';
directory_before_chdir = 0;
@@ -1051,7 +1068,7 @@ int main (int argc, char ** argv)
#ifdef HAVE_GETCWD
perror_with_name ("getcwd: ", "");
#else
- error ("getwd: %s", current_directory);
+ error (NILF, "getwd: %s", current_directory);
#endif
starting_directory = 0;
}
@@ -1089,7 +1106,7 @@ int main (int argc, char ** argv)
#endif
if (stdin_nm)
- fatal("Makefile from standard input specified twice.");
+ fatal (NILF, "Makefile from standard input specified twice.");
outfile = fopen (name, "w");
if (outfile == 0)
@@ -1126,14 +1143,20 @@ int main (int argc, char ** argv)
}
}
- /* Set up to handle children dying. This must be done before
- reading in the makefiles so that `shell' function calls will work. */
-
-#ifdef SIGCHLD
- (void) signal (SIGCHLD, child_handler);
-#endif
-#ifdef SIGCLD
- (void) signal (SIGCLD, child_handler);
+#ifndef HAVE_WAIT_NOHANG
+ {
+ extern RETSIGTYPE child_handler PARAMS ((int sig));
+
+ /* Set up to handle children dying. This must be done before
+ reading in the makefiles so that `shell' function calls will work.
+ Note we only do this if we have to. */
+# if defined SIGCHLD
+ (void) signal (SIGCHLD, child_handler);
+# endif
+# if defined SIGCLD && SIGCLD != SIGCHLD
+ (void) signal (SIGCLD, child_handler);
+# endif
+ }
#endif
/* Let the user send us SIGUSR1 to toggle the -d flag during the run. */
@@ -1178,8 +1201,8 @@ int main (int argc, char ** argv)
no_default_sh_exe = !find_and_set_default_shell(NULL);
if (no_default_sh_exe && job_slots != 1) {
- error("Do not specify -j or --jobs if sh.exe is not available.");
- error("Resetting make for single job mode.");
+ error (NILF, "Do not specify -j or --jobs if sh.exe is not available.");
+ error (NILF, "Resetting make for single job mode.");
job_slots = 1;
}
#endif /* WINDOWS32 */
@@ -1251,7 +1274,7 @@ int main (int argc, char ** argv)
for (p = old_files->list; *p != 0; ++p)
{
f = enter_command_line_file (*p);
- f->last_mtime = (time_t) 1;
+ f->last_mtime = (FILE_TIMESTAMP) 1;
f->updated = 1;
f->update_status = 0;
f->command_state = cs_finished;
@@ -1273,7 +1296,7 @@ int main (int argc, char ** argv)
{
/* Update any makefiles if necessary. */
- time_t *makefile_mtimes = 0;
+ FILE_TIMESTAMP *makefile_mtimes = 0;
unsigned int mm_idx = 0;
char **nargv = argv;
int nargc = argc;
@@ -1323,11 +1346,12 @@ int main (int argc, char ** argv)
if (f == NULL || !f->double_colon)
{
if (makefile_mtimes == 0)
- makefile_mtimes = (time_t *) xmalloc (sizeof (time_t));
+ makefile_mtimes = (FILE_TIMESTAMP *)
+ xmalloc (sizeof (FILE_TIMESTAMP));
else
- makefile_mtimes = (time_t *)
+ makefile_mtimes = (FILE_TIMESTAMP *)
xrealloc ((char *) makefile_mtimes,
- (mm_idx + 1) * sizeof (time_t));
+ (mm_idx + 1) * sizeof (FILE_TIMESTAMP));
makefile_mtimes[mm_idx++] = file_mtime_no_search (d->file);
last = d;
d = d->next;
@@ -1373,13 +1397,13 @@ int main (int argc, char ** argv)
}
else if (! (d->changed & RM_DONTCARE))
{
- time_t mtime;
+ FILE_TIMESTAMP mtime;
/* The update failed and this makefile was not
from the MAKEFILES variable, so we care. */
- error ("Failed to remake makefile `%s'.",
+ error (NILF, "Failed to remake makefile `%s'.",
d->file->name);
mtime = file_mtime_no_search (d->file);
- any_remade |= (mtime != (time_t) -1
+ any_remade |= (mtime != (FILE_TIMESTAMP) -1
&& mtime != makefile_mtimes[i]);
}
}
@@ -1391,12 +1415,12 @@ int main (int argc, char ** argv)
if (d->changed & RM_INCLUDED)
/* An included makefile. We don't need
to die, but we do want to complain. */
- error ("Included makefile `%s' was not found.",
+ error (NILF, "Included makefile `%s' was not found.",
dep_name (d));
else
{
/* A normal makefile. We must die later. */
- error ("Makefile `%s' was not found", dep_name (d));
+ error (NILF, "Makefile `%s' was not found", dep_name (d));
any_failed = 1;
}
}
@@ -1461,7 +1485,7 @@ int main (int argc, char ** argv)
else
bad = 1;
if (bad)
- fatal ("Couldn't change back to original directory.");
+ fatal (NILF, "Couldn't change back to original directory.");
}
#ifndef _AMIGA
@@ -1570,14 +1594,14 @@ int main (int argc, char ** argv)
else
{
if (read_makefiles == 0)
- fatal ("No targets specified and no makefile found");
+ fatal (NILF, "No targets specified and no makefile found");
else
- fatal ("No targets");
+ fatal (NILF, "No targets");
}
/* If we detected some clock skew, generate one last warning */
if (clock_skew_detected)
- error("*** Warning: Clock skew detected. Your build may be incomplete.");
+ error (NILF, "*** Warning: Clock skew detected. Your build may be incomplete.");
/* Exit. */
die (status);
@@ -1661,7 +1685,7 @@ handle_non_switch_argument (arg, env)
if (arg[0] == '-' && arg[1] == '\0')
/* Ignore plain `-' for compatibility. */
return;
- v = try_variable_definition ((char *) 0, 0, arg, o_command);
+ v = try_variable_definition (0, arg, o_command);
if (v != 0)
{
/* It is indeed a variable definition. Record a pointer to
@@ -1825,7 +1849,7 @@ decode_switches (argc, argv, env)
if (i < 1)
{
if (doit)
- error ("the `-%c' option requires a \
+ error (NILF, "the `-%c' option requires a \
positive integral argument",
cs->c);
bad = 1;
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-01 12:21:26 +0000