Author: brooks
Date: Fri Dec  6 23:59:23 2019
New Revision: 355473
URL: https://svnweb.freebsd.org/changeset/base/355473

Log:
  sysent: Reduce duplication and improve readability.
  
  Use the power of variable to avoid spelling out source and generated
  files too many times.  The previous Makefiles were hard to read, hard to
  edit, and badly formatted.
  
  Reviewed by:  kevans, emaste
  Sponsored by: DARPA, AFRL
  Differential Revision:        https://reviews.freebsd.org/D22714

Modified:
  head/sys/amd64/linux/Makefile
  head/sys/amd64/linux32/Makefile
  head/sys/arm64/linux/Makefile
  head/sys/compat/cloudabi32/Makefile
  head/sys/compat/cloudabi64/Makefile
  head/sys/compat/freebsd32/Makefile
  head/sys/i386/linux/Makefile
  head/sys/kern/Makefile

Modified: head/sys/amd64/linux/Makefile
==============================================================================
--- head/sys/amd64/linux/Makefile       Fri Dec  6 23:51:11 2019        
(r355472)
+++ head/sys/amd64/linux/Makefile       Fri Dec  6 23:59:23 2019        
(r355473)
@@ -7,11 +7,19 @@
 
 .include <src.lua.mk>
 
+MAKESYSCALLS=  ../../tools/makesyscalls.lua
+SRCS=          syscalls.conf           \
+               syscalls.master
+GENERATED=     linux_proto.h           \
+               linux_syscall.h         \
+               linux_syscalls.c        \
+               linux_sysent.c          \
+               linux_systrace_args.c
+
 all:
        @echo "make sysent only"
 
-sysent:  linux_sysent.c linux_syscall.h linux_proto.h linux_syscalls.c 
linux_systrace_args.c
+sysent: ${GENERATED}
 
-linux_sysent.c linux_syscall.h linux_proto.h linux_syscalls.c 
linux_systrace_args.c: \
-               ../../tools/makesyscalls.lua syscalls.master 
${.CURDIR}/syscalls.conf
-       ${LUA} ../../tools/makesyscalls.lua syscalls.master 
${.CURDIR}/syscalls.conf
+${GENERATED}: ${MAKESYSCALLS} ${SRCS}
+       ${LUA} ${MAKESYSCALLS} syscalls.master syscalls.conf

Modified: head/sys/amd64/linux32/Makefile
==============================================================================
--- head/sys/amd64/linux32/Makefile     Fri Dec  6 23:51:11 2019        
(r355472)
+++ head/sys/amd64/linux32/Makefile     Fri Dec  6 23:59:23 2019        
(r355473)
@@ -7,11 +7,19 @@
 
 .include <src.lua.mk>
 
+MAKESYSCALLS=  ../../tools/makesyscalls.lua
+SRCS=          syscalls.conf           \
+               syscalls.master
+GENERATED=     linux32_proto.h         \
+               linux32_syscall.h       \
+               linux32_syscalls.c      \
+               linux32_sysent.c        \
+               linux32_systrace_args.c
+
 all:
        @echo "make sysent only"
 
-sysent:  linux32_sysent.c linux32_syscall.h linux32_proto.h linux32_syscalls.c 
linux32_systrace_args.c
+sysent: ${GENERATED}
 
-linux32_sysent.c linux32_syscall.h linux32_proto.h linux32_syscalls.c 
linux32_systrace_args.c: ../../tools/makesyscalls.lua \
-               syscalls.master ${.CURDIR}/syscalls.conf
-       ${LUA} ../../tools/makesyscalls.lua syscalls.master 
${.CURDIR}/syscalls.conf
+${GENERATED}: ${MAKESYSCALLS} ${SRCS}
+       ${LUA} ${MAKESYSCALLS} syscalls.master syscalls.conf

Modified: head/sys/arm64/linux/Makefile
==============================================================================
--- head/sys/arm64/linux/Makefile       Fri Dec  6 23:51:11 2019        
(r355472)
+++ head/sys/arm64/linux/Makefile       Fri Dec  6 23:59:23 2019        
(r355473)
@@ -7,11 +7,19 @@
 
 .include <src.lua.mk>
 
+MAKESYSCALLS=  ../../tools/makesyscalls.lua
+SRCS=          syscalls.conf           \
+               syscalls.master
+GENERATED=     linux_proto.h           \
+               linux_syscall.h         \
+               linux_syscalls.c        \
+               linux_sysent.c          \
+               linux_systrace_args.c
+
 all:
        @echo "make sysent only"
 
-sysent:  linux_sysent.c linux_syscall.h linux_proto.h linux_syscalls.c 
linux_systrace_args.c
+sysent: ${GENERATED}
 
-linux_sysent.c linux_syscall.h linux_proto.h linux_syscalls.c 
linux_systrace_args.c: \
-               ../../tools/makesyscalls.lua syscalls.master 
${.CURDIR}/syscalls.conf
-       ${LUA} ../../tools/makesyscalls.lua syscalls.master 
${.CURDIR}/syscalls.conf
+${GENERATED}: ${MAKESYSCALLS} ${SRCS}
+       ${LUA} ${MAKESYSCALLS} syscalls.master syscalls.conf

Modified: head/sys/compat/cloudabi32/Makefile
==============================================================================
--- head/sys/compat/cloudabi32/Makefile Fri Dec  6 23:51:11 2019        
(r355472)
+++ head/sys/compat/cloudabi32/Makefile Fri Dec  6 23:59:23 2019        
(r355473)
@@ -5,15 +5,20 @@
 
 .include <src.lua.mk>
 
+MAKESYSCALLS=  ../../tools/makesyscalls.lua
+SRCS=          syscalls.conf           \
+               ../../contrib/cloudabi/syscalls32.master
+GENERATED=     cloudabi32_proto.h      \
+               cloudabi32_syscall.h    \
+               cloudabi32_syscalls.c   \
+               cloudabi32_sysent.c     \
+               cloudabi32_systrace_args.c
+
 all:
        @echo "make sysent only"
 
-sysent: cloudabi32_sysent.c cloudabi32_syscall.h cloudabi32_proto.h \
-    cloudabi32_syscalls.c cloudabi32_systrace_args.c
+sysent: ${GENERATED}
 
-cloudabi32_sysent.c cloudabi32_syscall.h cloudabi32_proto.h \
-    cloudabi32_syscalls.c cloudabi32_systrace_args.c: \
-    ../../tools/makesyscalls.lua ../../contrib/cloudabi/syscalls32.master \
-    ${.CURDIR}/syscalls.conf
-       ${LUA} ../../tools/makesyscalls.lua \
-           ../../contrib/cloudabi/syscalls32.master ${.CURDIR}/syscalls.conf
+${GENERATED}: ${MAKESYSCALLS} ${SRCS}
+       ${LUA} ${MAKESYSCALLS} \
+           ../../contrib/cloudabi/syscalls32.master syscalls.conf

Modified: head/sys/compat/cloudabi64/Makefile
==============================================================================
--- head/sys/compat/cloudabi64/Makefile Fri Dec  6 23:51:11 2019        
(r355472)
+++ head/sys/compat/cloudabi64/Makefile Fri Dec  6 23:59:23 2019        
(r355473)
@@ -5,15 +5,20 @@
 # Don't use an OBJDIR
 .OBJDIR: ${.CURDIR}
 
+MAKESYSCALLS=  ../../tools/makesyscalls.lua
+SRCS=          syscalls.conf           \
+               ../../contrib/cloudabi/syscalls64.master
+GENERATED=     cloudabi64_proto.h      \
+               cloudabi64_syscall.h    \
+               cloudabi64_syscalls.c   \
+               cloudabi64_sysent.c     \
+               cloudabi64_systrace_args.c
+
 all:
        @echo "make sysent only"
 
-sysent: cloudabi64_sysent.c cloudabi64_syscall.h cloudabi64_proto.h \
-    cloudabi64_syscalls.c cloudabi64_systrace_args.c
+sysent: ${GENERATED}
 
-cloudabi64_sysent.c cloudabi64_syscall.h cloudabi64_proto.h \
-    cloudabi64_syscalls.c cloudabi64_systrace_args.c: \
-    ../../tools/makesyscalls.lua ../../contrib/cloudabi/syscalls64.master \
-    ${.CURDIR}/syscalls.conf
-       ${LUA} ../../tools/makesyscalls.lua \
-           ../../contrib/cloudabi/syscalls64.master ${.CURDIR}/syscalls.conf
+${GENERATED}: ${MAKESYSCALLS} ${SRCS}
+       ${LUA} ${MAKESYSCALLS} \
+           ../../contrib/cloudabi/syscalls64.master syscalls.conf

Modified: head/sys/compat/freebsd32/Makefile
==============================================================================
--- head/sys/compat/freebsd32/Makefile  Fri Dec  6 23:51:11 2019        
(r355472)
+++ head/sys/compat/freebsd32/Makefile  Fri Dec  6 23:59:23 2019        
(r355473)
@@ -7,15 +7,20 @@
 
 .include <src.lua.mk>
 
+MAKESYSCALLS=  ../../tools/makesyscalls.lua
+SRCS=          ../../kern/capabilities.conf    \
+               syscalls.conf                   \
+               syscalls.master
+GENERATED=     freebsd32_proto.h               \
+               freebsd32_syscall.h             \
+               freebsd32_syscalls.c            \
+               freebsd32_sysent.c              \
+               freebsd32_systrace_args.c
+
 all:
        @echo "make sysent only"
 
-sysent:  freebsd32_sysent.c freebsd32_syscall.h freebsd32_proto.h 
freebsd32_systrace_args.c
+sysent: ${GENERATED}
 
-freebsd32_sysent.c freebsd32_syscalls.c freebsd32_syscall.h freebsd32_proto.h 
freebsd32_systrace_args.c : \
-           ../../tools/makesyscalls.lua syscalls.master 
${.CURDIR}/syscalls.conf ../../kern/capabilities.conf
-       ${LUA} ../../tools/makesyscalls.lua syscalls.master 
${.CURDIR}/syscalls.conf
-
-clean:
-       rm -f freebsd32_sysent.c freebsd32_syscalls.c freebsd32_syscall.h 
freebsd32_proto.h
-       rm -f freebsd32_systrace_args.c 
+${GENERATED}: ${MAKESYSCALLS} ${SRCS}
+       ${LUA} ${MAKESYSCALLS} syscalls.master syscalls.conf

Modified: head/sys/i386/linux/Makefile
==============================================================================
--- head/sys/i386/linux/Makefile        Fri Dec  6 23:51:11 2019        
(r355472)
+++ head/sys/i386/linux/Makefile        Fri Dec  6 23:59:23 2019        
(r355473)
@@ -7,11 +7,19 @@
 
 .include <src.lua.mk>
 
+MAKESYSCALLS=  ../../tools/makesyscalls.lua
+SRCS=          syscalls.conf           \
+               syscalls.master
+GENERATED=     linux_proto.h           \
+               linux_syscall.h         \
+               linux_syscalls.c        \
+               linux_sysent.c          \
+               linux_systrace_args.c
+
 all:
        @echo "make sysent only"
 
-sysent:  linux_sysent.c linux_syscall.h linux_proto.h linux_syscalls.c 
linux_systrace_args.c
+sysent: ${GENERATED}
 
-linux_sysent.c linux_syscall.h linux_proto.h linux_syscalls.c 
linux_systrace_args.c: \
-               ../../tools/makesyscalls.lua syscalls.master 
${.CURDIR}/syscalls.conf
-       ${LUA} ../../tools/makesyscalls.lua syscalls.master 
${.CURDIR}/syscalls.conf
+${GENERATED}: ${MAKESYSCALLS} ${SRCS}
+       ${LUA} ${MAKESYSCALLS} syscalls.master syscalls.conf

Modified: head/sys/kern/Makefile
==============================================================================
--- head/sys/kern/Makefile      Fri Dec  6 23:51:11 2019        (r355472)
+++ head/sys/kern/Makefile      Fri Dec  6 23:59:23 2019        (r355473)
@@ -8,13 +8,19 @@
 
 .include <src.lua.mk>
 
+MAKESYSCALLS=  ../tools/makesyscalls.lua
+SRCS=          capabilities.conf       \
+               syscalls.master
+GENERATED=     init_sysent.c           \
+               syscalls.c              \
+               ../sys/syscall.h        \
+               ../sys/syscall.mk       \
+               ../sys/sysproto.h
+
 all:
        @echo "make sysent only"
 
-sysent: init_sysent.c syscalls.c ../sys/syscall.h ../sys/syscall.mk \
-../sys/sysproto.h
+sysent: ${GENERATED}
 
-init_sysent.c syscalls.c systrace_args.c ../sys/syscall.h \
-../sys/syscall.mk ../sys/sysproto.h: ../tools/makesyscalls.lua syscalls.master 
\
-capabilities.conf
-       ${LUA} ../tools/makesyscalls.lua syscalls.master
+${GENERATED}: ${MAKESYSCALLS} ${SRCS}
+       ${LUA} ${MAKESYSCALLS} syscalls.master
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