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1.1 root 1: # /usr/src/libc/stdio/Makefile 1/26/93
2:
3: # The order of stdio objects in libc.a is significant and a bit complicated.
4: # To reduce the size of linked objects when possible,
5: # libc includes both real and fake versions of _dtefg() (floating point output)
6: # and of _finish() (close open FILEs).
7: # If a program requires floating point output, the "-f" flag to /bin/cc
8: # produces an "-u _dtefg_" argument to /bin/ld, forcing the link to include
9: # the real floating point output routine from _dtefg.o.
10: # Otherwise, /bin/ld resolves the reference to _dtefg() in vfprintf.o with
11: # the much smaller fake floating point output routine from _fdtefg.o.
12: # To avoid linking in extra stdio overhead when not required,
13: # libc.a should contain _fp.o, _finit.o, exit.o and _finish.o, in that order,
14: # after stdio objects from $(OBJ) and from the machine-dependent subdirectory,
15: # If a program uses stdio, /bin/ld will link in _finit.o;
16: # finit.o defines the real _finish() which closes all open files for exit().
17: # If a program does not use stdio, /bin/ld will link in exit.o but not _finit.o;
18: # then it resolves the _finish() reference in exit() with the fake _finish.o,
19: # which does nothing.
20:
21: OBJ=\
22: _dscan.o\
23: _fgetb.o\
24: _fgetc.o\
25: _fgete.o\
26: _fgetstr.o\
27: _filbuf.o\
28: _flsbuf.o\
29: _fopen.o\
30: _fpseek.o\
31: _fputa.o\
32: _fputb.o\
33: _fputc.o\
34: _fpute.o\
35: _fputt.o\
36: _scanf.o\
37: _stropen.o\
38: clearerr.o\
39: ecvt.o\
40: fclose.o\
41: fcvt.o\
42: fdopen.o\
43: feof.o\
44: ferror.o\
45: fflush.o\
46: fgetc.o\
47: fgetpos.o\
48: fgets.o\
49: fopen.o\
50: fputc.o\
51: fputs.o\
52: fread.o\
53: freopen.o\
54: fscanf.o\
55: fseek.o\
56: fsetpos.o\
57: ftell.o\
58: fwrite.o\
59: gcvt.o\
60: getc.o\
61: getchar.o\
62: gets.o\
63: perror.o\
64: popen.o\
65: putc.o\
66: putchar.o\
67: puts.o\
68: remove.o\
69: rename.o\
70: rewind.o\
71: scanf.o\
72: setbuf.o\
73: setvbuf.o\
74: sscanf.o\
75: tmpfile.o\
76: tmpnam.o\
77: ungetc.o
78:
79: # N.B. The order of objects in $(OBJ2) is significant,
80: # see the lengthy comment above and be extremely careful if you change it.
81: OBJ2=\
82: _dtefg.o\
83: fprintf.o\
84: printf.o\
85: sprintf.o\
86: vprintf.o\
87: vsprintf.o\
88: vfprintf.o\
89: _fdtefg.o\
90: _fp.o\
91: _finit.o\
92: exit.o\
93: _finish.o
94:
95: # Primary target.
96: all: stdio$(MCH) STDIO
97: : libc/stdio done.
98:
99: # Pseudotargets.
100: stdio$(MCH):
101: SRCPATH=$(SRCPATH)/$(MCH) make -e
102: # This assumes that either libc.a is being made from scratch
103: # or the names of the objects in $(OBJ2) are unchanged.
104: # Otherwise, "$(AR) rkus lib.c $?" may not preserve the required object order.
105: # It could be done more correctly with $(AR) positional specifications.
106: STDIO: $(OBJ) $(OBJ2)
107: $(AR) rkus libc.a $?
108: touch $@
109:
110: # Secondary targets.
111: _dscan.o: _dscan.c
112: _dtefg.o: _dtefg.c
113: _fdtefg.o: _fdtefg.c
114: _fgetb.o: _fgetb.c
115: _fgetc.o: _fgetc.c
116: _fgete.o: _fgete.c
117: _fgetstr.o: _fgetstr.c
118: _filbuf.o: _filbuf.c
119: _finish.o: _finish.c
120: _finit.o: _finit.c
121: _flsbuf.o: _flsbuf.c
122: _fopen.o: _fopen.c
123: _fp.o: _fp.c
124: _fpseek.o: _fpseek.c
125: _fputa.o: _fputa.c
126: _fputb.o: _fputb.c
127: _fputc.o: _fputc.c
128: _fpute.o: _fpute.c
129: _fputt.o: _fputt.c
130: _scanf.o: _scanf.c
131: _stropen.o: _stropen.c
132: clearerr.o: clearerr.c
133: ecvt.o: ecvt.c
134: exit.o: exit.c
135: fclose.o: fclose.c
136: fcvt.o: fcvt.c
137: fdopen.o: fdopen.c
138: feof.o: feof.c
139: ferror.o: ferror.c
140: fflush.o: fflush.c
141: fgetc.o: fgetc.c
142: fgetpos.o: fgetpos.c
143: fgets.o: fgets.c
144: fopen.o: fopen.c
145: fprintf.o: fprintf.c
146: fputc.o: fputc.c
147: fputs.o: fputs.c
148: fread.o: fread.c
149: freopen.o: freopen.c
150: fscanf.o: fscanf.c
151: fseek.o: fseek.c
152: fsetpos.o: fsetpos.c
153: ftell.o: ftell.c
154: fwrite.o: fwrite.c
155: gcvt.o: gcvt.c
156: getc.o: getc.c
157: getchar.o: getchar.c
158: gets.o: gets.c
159: perror.o: perror.c
160: popen.o: popen.c
161: printf.o: printf.c
162: putc.o: putc.c
163: putchar.o: putchar.c
164: puts.o: puts.c
165: remove.o: remove.c
166: rename.o: rename.c
167: rewind.o: rewind.c
168: scanf.o: scanf.c
169: setbuf.o: setbuf.c
170: setvbuf.o: setvbuf.c
171: sprintf.o: sprintf.c
172: sscanf.o: sscanf.c
173: tmpfile.o: tmpfile.c
174: tmpnam.o: tmpnam.c
175: ungetc.o: ungetc.c
176: vprintf.o: vprintf.c
177: vfprintf.o: vfprintf.c
178: vsprintf.o: vsprintf.c
179:
180: # end of /usr/src/libc/stdio/Makefile
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