summary refs log tree commit diff
path: root/sysdeps/unix/sysv/linux/Makefile
blob: 5964d0534d7011285ebd01d9cb5a178d37403c3a (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
ifeq ($(subdir),csu)
sysdep_routines += errno-loc
endif

ifeq ($(subdir),assert)
CFLAGS-assert.c += -DFATAL_PREPARE_INCLUDE='<fatal-prepare.h>'
CFLAGS-assert-perr.c += -DFATAL_PREPARE_INCLUDE='<fatal-prepare.h>'
endif

ifeq ($(subdir),malloc)
CFLAGS-malloc.c += -DMORECORE_CLEARS=2
endif

ifeq ($(subdir),misc)
sysdep_routines += sysctl clone llseek umount umount2 readahead \
		   setfsuid setfsgid makedev

CFLAGS-gethostid.c = -fexceptions

sysdep_headers += sys/mount.h sys/acct.h sys/sysctl.h \
		  sys/klog.h sys/kdaemon.h \
		  sys/user.h sys/procfs.h sys/prctl.h \
		  sys/kd.h sys/soundcard.h sys/vt.h \
		  sys/quota.h sys/fsuid.h \
		  scsi/sg.h scsi/scsi.h scsi/scsi_ioctl.h sys/pci.h \
		  sys/ultrasound.h sys/raw.h sys/personality.h sys/epoll.h \
		  bits/a.out.h

install-others += $(inst_includedir)/bits/syscall.h

# Generate the list of SYS_* macros for the system calls (__NR_* macros).
# For bi-arch platforms, the CPU/Makefile defines {32,64}bit-predefine and
# we generate a file that uses <bits/wordsize.h>.
$(objpfx)syscall-%.h $(objpfx)syscall-%.d: ../sysdeps/unix/sysv/linux/sys/syscall.h
	$(make-target-directory)
	{ \
	 echo '/* Generated at libc build time from kernel syscall list.  */';\
	 echo ''; \
	 echo '#ifndef _SYSCALL_H'; \
	 echo '# error "Never use <bits/syscall.h> directly; include <sys/syscall.h> instead."'; \
	 echo '#endif'; \
	 echo ''; \
	 $(CC) -E -MD -MP -MF $(@:.h=.d)-t1 -MT '$(@:.d=.h) $(@:.h=.d)' \
	       -x c $(sysincludes) $< $(addprefix -U,$(64bit-predefine)) \
	       $(addprefix -D,$(32bit-predefine)) -D_LIBC -dM | \
	 sed -n 's@^#define __NR_\([^ ]*\) .*$$@#define SYS_\1 __NR_\1@p' | \
	 LC_ALL=C sort > $(@:.d=.h).new32; \
	 $(CC) -E -MD -MP -MF $(@:.h=.d)-t2 -MT '$(@:.d=.h) $(@:.h=.d)' \
	       -x c $(sysincludes) $< $(addprefix -U,$(32bit-predefine)) \
	       $(addprefix -D,$(64bit-predefine)) -D_LIBC -dM | \
	 sed -n 's@^#define __NR_\([^ ]*\) .*$$@#define SYS_\1 __NR_\1@p' | \
	 LC_ALL=C sort > $(@:.d=.h).new64; \
	 if cmp -s $(@:.d=.h).new32 $(@:.d=.h).new64; then \
	   cat $(@:.d=.h).new32; \
	 else \
	   echo '#include <bits/wordsize.h>'; \
	   echo ''; \
	   LC_ALL=C comm -12 $(@:.d=.h).new32 $(@:.d=.h).new64; \
	   echo '#if __WORDSIZE == 64'; \
	   LC_ALL=C comm -13 $(@:.d=.h).new32 $(@:.d=.h).new64; \
	   echo '#else'; \
	   LC_ALL=C comm -23 $(@:.d=.h).new32 $(@:.d=.h).new64; \
	   echo '#endif'; \
	 fi; \
	 rm -f $(@:.d=.h).new32 $(@:.d=.h).new64; \
	} > $(@:.d=.h).new
	mv -f $(@:.d=.h).new $(@:.d=.h)
ifneq (,$(objpfx))
	sed $(sed-remove-objpfx) $(@:.h=.d)-t1 $(@:.h=.d)-t2 > $(@:.h=.d)-t3
else
	cat $(@:.h=.d)-t1 $(@:.h=.d)-t2 > $(@:.h=.d)-t3
endif
	rm -f $(@:.h=.d)-t1 $(@:.h=.d)-t2
	mv -f $(@:.h=.d)-t3 $(@:.h=.d)

$(inst_includedir)/bits/syscall.h: $(objpfx)syscall-list.h $(+force)
	$(make-target-directory)
	if test -r $@ && cmp -s $< $@; \
        then echo 'bits/syscall.h unchanged'; \
        else $(INSTALL_DATA) $< $@; fi

ifndef no_deps
# Get the generated list of dependencies (probably /usr/include/asm/unistd.h).
-include $(objpfx)syscall-list.d
endif
generated += syscall-list.h syscall-list.d
endif

ifeq ($(subdir),time)
sysdep_headers += sys/timex.h

sysdep_routines += ntp_gettime
endif

ifeq ($(subdir),socket)
sysdep_headers += net/if_ppp.h net/ppp-comp.h \
		  net/ppp_defs.h net/if_arp.h net/route.h net/ethernet.h \
		  net/if_slip.h net/if_packet.h net/if_shaper.h
sysdep_routines += cmsg_nxthdr sa_len
endif

ifeq ($(subdir),sunrpc)
sysdep_headers += nfs/nfs.h
endif

ifeq ($(subdir),termios)
sysdep_headers += termio.h
endif

ifeq ($(subdir),stdio-common)
# Just disable the auto generation in sysdeps/generic
inhibit-siglist := yes
endif

ifeq ($(subdir),posix)
sysdep_headers += bits/initspin.h

sysdep_routines += exit-thread
endif

ifeq ($(subdir),inet)
sysdep_headers += netinet/if_fddi.h netinet/if_tr.h \
		  netipx/ipx.h netash/ash.h netax25/ax25.h netatalk/at.h \
		  netrom/netrom.h netpacket/packet.h netrose/rose.h \
		  neteconet/ec.h
endif

# Don't compile the ctype glue code, since there is no old non-GNU C library.
inhibit-glue = yes

ifeq ($(subdir),dirent)
sysdep_routines += getdirentries getdirentries64
endif

ifeq ($(subdir),nis)
CFLAGS-ypclnt.c = -DUSE_BINDINGDIR=1
endif

ifeq ($(subdir),io)
sysdep_routines += xstatconv internal_statvfs internal_statvfs64
endif

ifeq ($(subdir),elf)
sysdep-rtld-routines += dl-brk dl-sbrk

CPPFLAGS-lddlibc4 += -DNOT_IN_libc
endif