Improve compiling for static binaries.

Have "#ifdef STATIC" in config.c, and the 'rmconf' target
was a mess.
Instead, create 'pwgr.c' with stub routines for those unavailable
when statically compiled, and include that in STATICOBJ

Signed-off-by: Neil Brown <[email protected]>

Makefile

@@ -51,7 +51,7 @@ endif
 SYSCONFDIR = /etc
 CONFFILE = $(SYSCONFDIR)/mdadm.conf
 MAILCMD =/usr/sbin/sendmail -t
-CFLAGS = $(CWFLAGS) $(STATIC) $(CPPFLAGS) -DCONFFILE=\"$(CONFFILE)\" $(CXFLAGS) -DSendmail=\""$(MAILCMD)"\"
+CFLAGS = $(CWFLAGS) $(CPPFLAGS) -DCONFFILE=\"$(CONFFILE)\" $(CXFLAGS) -DSendmail=\""$(MAILCMD)"\"
 
 # If you want a static binary, you might uncomment these
 # LDFLAGS = -static
@@ -72,7 +72,8 @@ SRCS =  mdadm.c config.c mdstat.c  ReadMe.c util.c Manage.c Assemble.c Build.c \
 	Create.c Detail.c Examine.c Grow.c Monitor.c dlink.c Kill.c Query.c \
 	mdopen.c super0.c super1.c bitmap.c restripe.c sysfs.c
 
-STATICOBJS = SHA1.o sha1.o
+STATICSRC = SHA1.c sha1.c pwgr.c
+STATICOBJS = SHA1.o sha1.o pwgr.o
 
 ASSEMBLE_SRCS := mdassemble.c Assemble.c config.c dlink.c util.c super0.c super1.c
 ASSEMBLE_FLAGS:= $(CFLAGS) -DMDASSEMBLE
@@ -86,21 +87,17 @@ all : mdadm mdadm.man md.man mdadm.conf.man
 everything: all mdadm.static mdadm.uclibc swap_super test_stripe  mdassemble mdassemble.uclibc mdassemble.static mdassemble.man
 # mdadm.tcc doesn't work..
 
-mdadm : rmconf $(OBJS)
+mdadm : $(OBJS)
 	$(CC) $(LDFLAGS) -o mdadm $(OBJS) $(LDLIBS)
 
-mdadm.static : STATIC=-DSTATIC
-mdadm.static : rmconf $(OBJS) $(STATICOBJS)
-	$(CC) $(LDFLAGS) -DSTATIC -static -o mdadm.static $(OBJS) $(STATICOBJS)
-
-rmconf:
-	rm -f config.o
+mdadm.static : $(OBJS) $(STATICOBJS)
+	$(CC) $(LDFLAGS) -static -o mdadm.static $(OBJS) $(STATICOBJS)
 
 mdadm.tcc : $(SRCS) mdadm.h
 	$(TCC) -o mdadm.tcc $(SRCS)
 
 mdadm.uclibc : $(SRCS) mdadm.h
-	$(UCLIBC_GCC) -DUCLIBC -DHAVE_STDINT_H -o mdadm.uclibc $(SRCS) SHA1.c sha1.c
+	$(UCLIBC_GCC) -DUCLIBC -DHAVE_STDINT_H -o mdadm.uclibc $(SRCS) $(STATICSRC)
 
 mdadm.klibc : $(SRCS) mdadm.h
 	rm -f $(OBJS) 
@@ -111,15 +108,15 @@ test_stripe : restripe.c mdadm.h
 
 mdassemble : $(ASSEMBLE_SRCS) mdadm.h
 	rm -f $(OBJS)
-	$(DIET_GCC) $(ASSEMBLE_FLAGS) -o mdassemble $(ASSEMBLE_SRCS)  SHA1.c sha1.c
+	$(DIET_GCC) $(ASSEMBLE_FLAGS) -o mdassemble $(ASSEMBLE_SRCS)  $(STATICSRC)
 
 mdassemble.static : $(ASSEMBLE_SRCS) mdadm.h
 	rm -f $(OBJS)
-	$(CC) $(LDFLAGS) $(ASSEMBLE_FLAGS) -static -DSTATIC -DHAVE_STDINT_H -o mdassemble.static $(ASSEMBLE_SRCS) SHA1.c sha1.c
+	$(CC) $(LDFLAGS) $(ASSEMBLE_FLAGS) -static -DHAVE_STDINT_H -o mdassemble.static $(ASSEMBLE_SRCS) $(STATICSRC)
 
 mdassemble.uclibc : $(ASSEMBLE_SRCS) mdadm.h
 	rm -f $(OJS)
-	$(UCLIBC_GCC) $(ASSEMBLE_FLAGS) -DSTATIC -DUCLIBC -DHAVE_STDINT_H -static -o mdassemble.uclibc $(ASSEMBLE_SRCS) SHA1.c sha1.c
+	$(UCLIBC_GCC) $(ASSEMBLE_FLAGS) -DUCLIBC -DHAVE_STDINT_H -static -o mdassemble.uclibc $(ASSEMBLE_SRCS) $(STATICSRC)
 
 # This doesn't work
 mdassemble.klibc : $(ASSEMBLE_SRCS) mdadm.h

config.c

@@ -320,14 +320,12 @@ static void createline(char *line)
 			}
 			createinfo.uid = strtoul(w+6, &ep, 10);
 			if (*ep != 0) {
-#ifndef STATIC
 				struct passwd *pw;
 				/* must be a name */
 				pw = getpwnam(w+6);
 				if (pw)
 					createinfo.uid = pw->pw_uid;
 				else
-#endif /* STATIC */
 					fprintf(stderr, Name ": CREATE user %s not found\n", w+6);
 			}
 		} else if (strncasecmp(w, "group=", 6) == 0) {
@@ -337,14 +335,12 @@ static void createline(char *line)
 			}
 			createinfo.gid = strtoul(w+6, &ep, 10);
 			if (*ep != 0) {
-#ifndef STATIC
 				struct group *gr;
 				/* must be a name */
 				gr = getgrnam(w+6);
 				if (gr)
 					createinfo.gid = gr->gr_gid;
 				else
-#endif /* STATIC */
 					fprintf(stderr, Name ": CREATE group %s not found\n", w+6);
 			}
 		} else if (strncasecmp(w, "mode=", 5) == 0) {

pwgr.c

@@ -0,0 +1,17 @@
+
+/*
+ * We cannot link a static binary with passwd/group support, so
+ * just do without
+ */
+#include	<stdlib.h>
+#include	<pwd.h>
+#include	<grp.h>
+
+struct passwd *getpwnam(const char *name)
+{
+	return NULL;
+}
+struct group *getgrnam(const char *name)
+{
+	return NULL;
+}