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45 lines
1.6 KiB
Makefile
45 lines
1.6 KiB
Makefile
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ifeq ($(subdir),misc)
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no_syscall_list_h = 1
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# Generate the list of SYS_* macros for the system calls (__NR_* macros).
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$(objpfx)syscall-%.h $(objpfx)syscall-%.d: ../sysdeps/unix/sysv/linux/sys/syscall.h
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rm -f $(@:.h=.d)-t
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{ \
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echo '/* Generated at libc build time from kernel syscall list. */';\
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echo ''; \
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echo '#ifndef _SYSCALL_H'; \
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echo '# error "Never use <bits/syscall.h> directly; include <sys/syscall.h> instead."'; \
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echo '#endif'; \
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echo ''; \
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SUNPRO_DEPENDENCIES='$(@:.h=.d)-t $@' \
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$(CC) -E -x c $(sysincludes) $< -U__sparc_v9__ -U__arch64__ -D_LIBC -dM | \
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sed -n 's@^#define __NR_\([^ ]*\) .*$$@#define SYS_\1 __NR_\1@p' | \
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LC_ALL=C sort > $(@:.d=.h).new32; \
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SUNPRO_DEPENDENCIES='$(@:.h=.d)-t $@' \
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$(CC) -E -x c $(sysincludes) $< -D__sparc_v9__ -D__arch64__ -D_LIBC -dM | \
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sed -n 's@^#define __NR_\([^ ]*\) .*$$@#define SYS_\1 __NR_\1@p' | \
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LC_ALL=C sort > $(@:.d=.h).new64; \
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if cmp -s $(@:.d=.h).new32 $(@:.d=.h).new64; then \
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cat $(@:.d=.h).new32; \
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else \
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echo '#include <bits/wordsize.h>'; \
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echo ''; \
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comm -12 $(@:.d=.h).new32 $(@:.d=.h).new64; \
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echo '#if __WORDSIZE == 64'; \
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comm -13 $(@:.d=.h).new32 $(@:.d=.h).new64; \
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echo '#else'; \
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comm -23 $(@:.d=.h).new32 $(@:.d=.h).new64; \
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echo '#endif'; \
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fi; \
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rm -f $(@:.d=.h).new32 $(@:.d=.h).new64; \
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} > $(@:.d=.h).new
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mv -f $(@:.d=.h).new $(@:.d=.h)
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sed < $(@:.h=.d)-t > $(@:.h=.d)-t2 \
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-e 's,$(subst .,\.,$@),$(patsubst $(objpfx)%,$$(objpfx)%,\
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$(@:.d=.h) $(@:.h=.d)),'
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rm -f $(@:.h=.d)-t
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mv -f $(@:.h=.d)-t2 $(@:.h=.d)
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endif
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