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Small cleanup defining MAKEFLAGS.

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This commit is contained in:
Paul Smith 2013-09-16 00:12:09 -04:00
parent 20ecc58126
commit fa0f2c516a
1 changed files with 11 additions and 25 deletions
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36
main.c
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@ -79,7 +79,7 @@ static void print_data_base (void);
static void print_version (void);
static void decode_switches (int argc, char **argv, int env);
static void decode_env_switches (char *envar, unsigned int len);
static const char *define_makeflags (int all, int makefile);
static struct variable *define_makeflags (int all, int makefile);
static char *quote_for_env (char *out, const char *in);
static void initialize_global_hash_tables (void);
@ -1805,7 +1805,6 @@ main (int argc, char **argv, char **envp)
#endif
/* Define the initial list of suffixes for old-style rules. */
set_default_suffixes ();
/* Define the file rules for the built-in suffix rules. These will later
@ -1813,17 +1812,14 @@ main (int argc, char **argv, char **envp)
install_default_implicit_rules, but since that happens after reading
makefiles, it results in the built-in pattern rules taking precedence
over makefile-specified suffix rules, which is wrong. */
install_default_suffix_rules ();
/* Define some internal and special variables. */
define_automatic_variables ();
/* Set up the MAKEFLAGS and MFLAGS variables
so makefiles can look at them. */
define_makeflags (0, 0);
/* Set up the MAKEFLAGS and MFLAGS variables for makefiles to see.
Initialize it to be exported but allow the makefile to reset it. */
define_makeflags (0, 0)->export = v_export;
/* Define the default variables. */
define_default_variables ();
@ -2305,13 +2301,12 @@ main (int argc, char **argv, char **envp)
char **p;
for (p = environ; *p != 0; ++p)
{
if (strneq (*p, MAKELEVEL_NAME, MAKELEVEL_LENGTH)
&& (*p)[MAKELEVEL_LENGTH] == '=')
if (strneq (*p, MAKELEVEL_NAME "=", MAKELEVEL_LENGTH+1))
{
*p = alloca (40);
sprintf (*p, "%s=%u", MAKELEVEL_NAME, makelevel);
}
if (strneq (*p, "MAKE_RESTARTS=", 14))
else if (strneq (*p, "MAKE_RESTARTS=", CSTRLEN ("MAKE_RESTARTS=")))
{
*p = alloca (40);
sprintf (*p, "MAKE_RESTARTS=%u", restarts);
@ -2947,7 +2942,7 @@ quote_for_env (char *out, const char *in)
command switches. Include options with args if ALL is nonzero.
Don't include options with the 'no_makefile' flag set if MAKEFILE. */
static const char *
static struct variable *
define_makeflags (int all, int makefile)
{
const char ref[] = "$(MAKEOVERRIDES)";
@ -2955,8 +2950,7 @@ define_makeflags (int all, int makefile)
const char evalref[] = "$(-*-eval-flags-*-)";
const struct command_switch *cs;
char *flagstring;
register char *p;
struct variable *v;
char *p;
/* We will construct a linked list of 'struct flag's describing
all the flags which need to go in MAKEFLAGS. Then, once we
@ -3140,7 +3134,7 @@ define_makeflags (int all, int makefile)
p += CSTRLEN (evalref);
}
if (all && command_variables != 0)
if (all && command_variables)
{
/* Write a reference to $(MAKEOVERRIDES), which contains all the
command-line variable definitions. Separate the variables from the
@ -3172,16 +3166,8 @@ define_makeflags (int all, int makefile)
lost when users added -e, causing a previous MAKEFLAGS env. var. to take
precedence over the new one. Of course, an override or command
definition will still take precedence. */
v = define_variable_cname ("MAKEFLAGS", flagstring,
env_overrides ? o_env_override : o_file, 1);
if (! all)
/* The first time we are called, set MAKEFLAGS to always be exported.
We should not do this again on the second call, because that is
after reading makefiles which might have done 'unexport MAKEFLAGS'. */
v->export = v_export;
return v->value;
return define_variable_cname ("MAKEFLAGS", flagstring,
env_overrides ? o_env_override : o_file, 1);
}
/* Print version information. */