diff options
Diffstat (limited to 'libc/sysdeps/unix/sysv/linux/Makefile')
| -rw-r--r-- | libc/sysdeps/unix/sysv/linux/Makefile | 53 |
1 files changed, 26 insertions, 27 deletions
diff --git a/libc/sysdeps/unix/sysv/linux/Makefile b/libc/sysdeps/unix/sysv/linux/Makefile index 70fd137db..21b560790 100644 --- a/libc/sysdeps/unix/sysv/linux/Makefile +++ b/libc/sysdeps/unix/sysv/linux/Makefile @@ -43,25 +43,14 @@ tests += tst-clone # Generate the list of SYS_* macros for the system calls (__NR_* macros). # If there is more than one syscall list for different architecture -# variants, the CPU/Makefile defines syscall-list-variants to be a -# list of names for those variants (e.g. 32bit 64bit), and, for each -# variant, defines syscall-list-$(variant)-options to be compiler -# options to cause <asm/unistd.h> to define the desired list of -# syscalls and syscall-list-$(variant)-condition to be the condition -# for those options to use in a C #if condition. -# syscall-list-includes may be defined to a list of headers to include +# variants, the CPU/Makefile defines abi-variants to be a list of names +# for those variants (e.g. 32 64), and, for each variant, defines +# abi-$(variant)-options to be compiler options to cause <asm/unistd.h> +# to define the desired list of syscalls and abi-$(variant)-condition to +# be the condition for those options to use in a C #if condition. +# abi-includes may be defined to a list of headers to include # in the generated header, if the default does not suffice. -ifndef syscall-list-variants -syscall-list-variants := default -syscall-list-default-options := -syscall-list-default-condition := -endif - -ifndef syscall-list-includes -syscall-list-includes := bits/wordsize.h -endif - $(objpfx)bits/syscall%h $(objpfx)bits/syscall%d: ../sysdeps/unix/sysv/linux/sys/syscall.h $(make-target-directory) { \ @@ -71,31 +60,41 @@ $(objpfx)bits/syscall%h $(objpfx)bits/syscall%d: ../sysdeps/unix/sysv/linux/sys/ echo '# error "Never use <bits/syscall.h> directly; include <sys/syscall.h> instead."'; \ echo '#endif'; \ echo ''; \ - $(foreach h,$(syscall-list-includes), echo '#include <$(h)>';) \ + $(foreach h,$(abi-includes), echo '#include <$(h)>';) \ echo ''; \ - $(foreach v,$(syscall-list-variants),\ + $(if $(abi-variants), \ + $(foreach v,$(abi-variants),\ $(CC) -E -MD -MP -MF $(@:.h=.d)-t$(v) -MT '$(@:.d=.h) $(@:.h=.d)' \ - -x c $(sysincludes) $< $(syscall-list-$(v)-options) \ + -x c $(sysincludes) $< $(abi-$(v)-options) \ -D_LIBC -dM | \ sed -n 's@^#define __NR_\([^ ]*\) .*$$@#define SYS_\1 __NR_\1@p' | \ LC_ALL=C sort > $(@:.d=.h).new$(v); \ - $(if $(syscall-list-$(v)-condition),\ - echo '#if $(syscall-list-$(v)-condition)';) \ + $(if $(abi-$(v)-condition),\ + echo '#if $(abi-$(v)-condition)';) \ cat $(@:.d=.h).new$(v); \ - $(if $(syscall-list-$(v)-condition),echo '#endif';) \ + $(if $(abi-$(v)-condition),echo '#endif';) \ rm -f $(@:.d=.h).new$(v); \ - ) \ + ), \ + $(CC) -E -MD -MP -MF $(@:.h=.d)-t$(v) -MT '$(@:.d=.h) $(@:.h=.d)' \ + -x c $(sysincludes) $< \ + -D_LIBC -dM | \ + sed -n 's@^#define __NR_\([^ ]*\) .*$$@#define SYS_\1 __NR_\1@p' | \ + LC_ALL=C sort;) \ } > $(@:.d=.h).new mv -f $(@:.d=.h).new $(@:.d=.h) +ifdef abi-variants ifneq (,$(objpfx)) sed $(sed-remove-objpfx) \ - $(foreach v,$(syscall-list-variants),$(@:.h=.d)-t$(v)) > $(@:.h=.d)-t3 + $(foreach v,$(abi-variants),$(@:.h=.d)-t$(v)) > $(@:.h=.d)-t3 else - cat $(foreach v,$(syscall-list-variants),$(@:.h=.d)-t$(v)) \ + cat $(foreach v,$(abi-variants),$(@:.h=.d)-t$(v)) \ > $(@:.h=.d)-t3 endif - rm -f $(foreach v,$(syscall-list-variants),$(@:.h=.d)-t$(v)) + rm -f $(foreach v,$(abi-variants),$(@:.h=.d)-t$(v)) mv -f $(@:.h=.d)-t3 $(@:.h=.d) +else + mv -f $(@:.h=.d)-t $(@:.h=.d) +endif ifndef no_deps # Get the generated list of dependencies (probably /usr/include/asm/unistd.h). |