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Make MACHINE_ARCH sensitive to the environment, as well as using the

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compiled in default in case it isn't defined.  This is needed to make
cross compilation work in some edge cases.  It also makes cross
compiling on FreeBSD other BSD's easier as well.

Obtained from: NetBSD, OpenBSD (predates the split)
This commit is contained in:
Warner Losh 1999-03-01 06:01:05 +00:00
parent 12c8989081
commit ac3efb6afc
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=44362
1 changed files with 11 additions and 4 deletions
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15
usr.bin/make/main.c
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@ -47,7 +47,7 @@ static const char copyright[] =
static char sccsid[] = "@(#)main.c 8.3 (Berkeley) 3/19/94";
#endif
static const char rcsid[] =
"$Id: main.c,v 1.28 1998/11/14 16:15:04 dg Exp $";
"$Id: main.c,v 1.29 1998/11/15 05:55:58 bde Exp $";
#endif /* not lint */
/*-
@ -449,6 +449,7 @@ main(argc, argv)
char obpath[MAXPATHLEN + 1];
char cdpath[MAXPATHLEN + 1];
char *machine = getenv("MACHINE");
char *machine_arch = getenv("MACHINE_ARCH");
Lst sysMkPath; /* Path of sys.mk */
char *cp = NULL, *start;
/* avoid faults on read-only strings */
@ -528,6 +529,14 @@ main(argc, argv)
#endif
}
if (!machine_arch) {
#ifndef MACHINE_ARCH
machine_arch = "unknown";
#else
machine_arch = MACHINE_ARCH;
#endif
}
/*
* The object directory location is determined using the
* following order of preference:
@ -626,9 +635,7 @@ main(argc, argv)
Var_Set(MAKEFLAGS, "", VAR_GLOBAL);
Var_Set("MFLAGS", "", VAR_GLOBAL);
Var_Set("MACHINE", machine, VAR_GLOBAL);
#ifdef MACHINE_ARCH
Var_Set("MACHINE_ARCH", MACHINE_ARCH, VAR_GLOBAL);
#endif
Var_Set("MACHINE_ARCH", machine_arch, VAR_GLOBAL);
/*
* First snag any flags out of the MAKE environment variable.