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ack/util/make/rules.c
carl 910643ccbb Better ANSI C compatibility and portability: 
+ Addition of function prototypes and include files.
+ Change function definitions to ANSI C style.
+ Initial support for CMake
2019-02-19 00:54:23 +08:00

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/*
* Control of the implicit suffix rules
*
* $Header$
*/
#include <string.h>
#include <stdio.h>
#include "h.h"
/*
* Return a pointer to the suffix of a name
*/
char *suffix(char *name)
{
return strrchr(name, '.');
}
/*
* Dynamic dependency. This routine applies the suffis rules
* to try and find a source and a set of rules for a missing
* target. If found, np is made into a target with the implicit
* source name, and rules. Returns TRUE if np was made into
* a target.
*/
bool dyndep(struct name *np)
{
register char * p;
register char * q;
register char * suff; /* Old suffix */
register char * basename; /* Name without suffix */
struct name * op; /* New dependent */
struct name * sp; /* Suffix */
struct line * lp;
struct depend * dp;
char * newsuff;
p = str1;
q = np->n_name;
if (!(suff = suffix(q)))
return FALSE; /* No suffix */
while (q < suff)
*p++ = *q++;
*p = '\0';
basename = setmacro("*", str1, 4)->m_val;
if (!((sp = newname(".SUFFIXES"))->n_flag & N_TARG))
return FALSE;
for (lp = sp->n_line; lp; lp = lp->l_next)
for (dp = lp->l_dep; dp; dp = dp->d_next)
{
newsuff = dp->d_name->n_name;
if (strlen(suff)+strlen(newsuff)+1 >= LZ)
fatal("Suffix rule too long",NULL);
p = str1;
q = newsuff;
while ((*p++ = *q++))
;
p--;
q = suff;
while ((*p++ = *q++))
;
sp = newname(str1);
if (sp->n_flag & N_TARG)
{
p = str1;
q = basename;
if (strlen(basename) + strlen(newsuff)+1 >= LZ)
fatal("Implicit name too long",NULL);
while ((*p++ = *q++))
;
p--;
q = newsuff;
while ((*p++ = *q++))
;
op = newname(str1);
if (!op->n_time)
modtime(op);
if (op->n_time || (op->n_flag & N_TARG))
{
dp = newdep(op, (struct depend *)0);
newline(np, dp, sp->n_line->l_cmd, 0);
setmacro("<", op->n_name, 4);
return TRUE;
}
}
}
return FALSE;
}
/*
* Make the default rules
*/
void makerules(void)
{
struct cmd * cp;
struct name * np;
struct depend * dp;
#ifdef eon
setmacro("BDSCC", "asm", 0);
/* setmacro("BDSCFLAGS", "", 0); */
cp = newcmd("$(BDSCC) $(BDSCFLAGS) -n $<", (struct cmd *)0);
np = newname(".c.o");
newline(np, (struct depend *)0, cp, 0);
setmacro("CC", "c", 0);
setmacro("CFLAGS", "-O", 0);
cp = newcmd("$(CC) $(CFLAGS) -c $<", (struct cmd *)0);
np = newname(".c.obj");
newline(np, (struct depend *)0, cp, 0);
setmacro("M80", "asm -n", 0);
/* setmacro("M80FLAGS", "", 0); */
cp = newcmd("$(M80) $(M80FLAGS) $<", (struct cmd *)0);
np = newname(".mac.o");
newline(np, (struct depend *)0, cp, 0);
setmacro("AS", "zas", 0);
/* setmacro("ASFLAGS", "", 0); */
cp = newcmd("$(ZAS) $(ASFLAGS) -o $@ $<", (struct cmd *)0);
np = newname(".as.obj");
newline(np, (struct depend *)0, cp, 0);
np = newname(".as");
dp = newdep(np, (struct depend *)0);
np = newname(".obj");
dp = newdep(np, dp);
np = newname(".c");
dp = newdep(np, dp);
np = newname(".o");
dp = newdep(np, dp);
np = newname(".mac");
dp = newdep(np, dp);
np = newname(".SUFFIXES");
newline(np, dp, (struct cmd *)0, 0);
#endif
/*
* Some of the UNIX implicit rules
*/
#ifdef unix
setmacro("CC", "cc", 0);
setmacro("CFLAGS", "-O", 0);
#ifdef MINIX
cp = newcmd("$(CC) $(CFLAGS) -S $<", (struct cmd *)0);
np = newname(".c.s");
#else
cp = newcmd("$(CC) $(CFLAGS) -c $<", (struct cmd *)0);
np = newname(".c.o");
#endif /* MINIX */
newline(np, (struct depend *)0, cp, 0);
setmacro("AS", "as", 0);
cp = newcmd("$(AS) -o $@ $<", (struct cmd *)0);
np = newname(".s.o");
newline(np, (struct depend *)0, cp, 0);
setmacro("YACC", "yacc", 0);
/* setmacro("YFLAGS", "", 0); */
cp = newcmd("$(YACC) $(YFLAGS) $<", (struct cmd *)0);
cp = newcmd("mv y.tab.c $@", cp);
np = newname(".y.c");
newline(np, (struct depend *)0, cp, 0);
cp = newcmd("$(YACC) $(YFLAGS) $<", (struct cmd *)0);
cp = newcmd("$(CC) $(CFLAGS) -c y.tab.c", cp);
cp = newcmd("rm y.tab.c", cp);
cp = newcmd("mv y.tab.o $@", cp);
np = newname(".y.o");
newline(np, (struct depend *)0, cp, 0);
setmacro("LEX", "lex", 0);
/* setmacro("LFLAGS", "", 0); */
cp = newcmd("$(LEX) $(LFLAGS) $<", (struct cmd *)0);
cp = newcmd("mv lex.yy.c $@", cp);
np = newname(".l.c");
newline(np, (struct depend *)0, cp, 0);
cp = newcmd("$(LEX) $(LFLAGS) $<", (struct cmd *)0);
cp = newcmd("$(CC) $(CFLAGS) -c lex.yy.c", cp);
cp = newcmd("rm lex.yy.c", cp);
cp = newcmd("mv lex.yy.o $@", cp);
np = newname(".l.o");
newline(np, (struct depend *)0, cp, 0);
np = newname(".s");
dp = newdep(np, (struct depend *)0);
np = newname(".o");
dp = newdep(np, dp);
np = newname(".c");
dp = newdep(np, dp);
np = newname(".y");
dp = newdep(np, dp);
np = newname(".l");
dp = newdep(np, dp);
np = newname(".SUFFIXES");
newline(np, dp, (struct cmd *)0, 0);
#endif
#ifdef os9
/*
* Fairlight use an enhanced version of the C sub-system.
* They have a specialised macro pre-processor.
*/
setmacro("CC", "cc", 0);
setmacro("CFLAGS", "-z", 0);
cp = newcmd("$(CC) $(CFLAGS) -r $<", (struct cmd *)0);
np = newname(".c.r");
newline(np, (struct depend *)0, cp, 0);
np = newname(".ca.r");
newline(np, (struct depend *)0, cp, 0);
np = newname(".a.r");
newline(np, (struct depend *)0, cp, 0);
np = newname(".o.r");
newline(np, (struct depend *)0, cp, 0);
np = newname(".mc.r");
newline(np, (struct depend *)0, cp, 0);
np = newname(".mca.r");
newline(np, (struct depend *)0, cp, 0);
np = newname(".ma.r");
newline(np, (struct depend *)0, cp, 0);
np = newname(".mo.r");
newline(np, (struct depend *)0, cp, 0);
np = newname(".r");
dp = newdep(np, (struct depend *)0);
np = newname(".mc");
dp = newdep(np, dp);
np = newname(".mca");
dp = newdep(np, dp);
np = newname(".c");
dp = newdep(np, dp);
np = newname(".ca");
dp = newdep(np, dp);
np = newname(".ma");
dp = newdep(np, dp);
np = newname(".mo");
dp = newdep(np, dp);
np = newname(".o");
dp = newdep(np, dp);
np = newname(".a");
dp = newdep(np, dp);
np = newname(".SUFFIXES");
newline(np, dp, (struct cmd *)0, 0);
#endif
}
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