From fd00a088216f6d6a6c502faf6b46c1e2ae7cbc54 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
Date: Fri, 1 Aug 2014 19:36:48 -0400
Subject: [PATCH 1/1] build-sys: use a common rule for some gperf commands

---
 Makefile.am | 32 +++++++++++---------------------
 1 file changed, 11 insertions(+), 21 deletions(-)

diff --git a/Makefile.am b/Makefile.am
index 30b258908..73aa4209c 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1156,37 +1156,27 @@ BUILT_SOURCES += \
 	src/shared/af-from-name.h \
 	src/shared/af-to-name.h
 
-src/shared/errno-list.txt:
-	$(AM_V_at)$(MKDIR_P) $(dir $@)
-	$(AM_V_GEN)$(CPP) $(CFLAGS) $(AM_CPPFLAGS) $(CPPFLAGS) -dM -include errno.h - < /dev/null | $(AWK) '/^#define[ \t]+E[^ _]+[ \t]+/ { print $$2; }'  > $@
+src/shared/%-from-name.gperf: src/shared/%-list.txt
+	$(AM_V_GEN)$(AWK) 'BEGIN{ print "struct $*_name { const char* name; int id; };"; print "%null-strings"; print "%%";} { printf "%s, %s\n", $$1, $$1 }' <$< >$@
 
-src/shared/errno-from-name.gperf: src/shared/errno-list.txt
-	$(AM_V_at)$(MKDIR_P) $(dir $@)
-	$(AM_V_GEN)$(AWK) 'BEGIN{ print "struct errno_name { const char* name; int id; };"; print "%null-strings"; print "%%";} { printf "%s, %s\n", $$1, $$1 }' < $< > $@
+src/shared/%-from-name.h: src/shared/%-from-name.gperf
+	$(AM_V_GPERF)$(GPERF) -L ANSI-C -t --ignore-case -N lookup_$* -H hash_$*_name -p -C <$< >$@
 
-src/shared/errno-from-name.h: src/shared/errno-from-name.gperf
-	$(AM_V_at)$(MKDIR_P) $(dir $@)
-	$(AM_V_GPERF)$(GPERF) -L ANSI-C -t --ignore-case -N lookup_errno -H hash_errno_name -p -C < $< > $@
 
-src/shared/errno-to-name.h: src/shared/errno-list.txt
+src/shared/errno-list.txt:
 	$(AM_V_at)$(MKDIR_P) $(dir $@)
-	$(AM_V_GEN)$(AWK) 'BEGIN{ print "static const char* const errno_names[] = { "} !/EDEADLOCK/ && !/EWOULDBLOCK/ && !/ENOTSUP/ { printf "[%s] = \"%s\",\n", $$1, $$1 } END{print "};"}' < $< > $@
+	$(AM_V_GEN)$(CPP) $(CFLAGS) $(AM_CPPFLAGS) $(CPPFLAGS) -dM -include errno.h - </dev/null | $(AWK) '/^#define[ \t]+E[^ _]+[ \t]+/ { print $$2; }'  >$@
 
-src/shared/af-list.txt:
-	$(AM_V_at)$(MKDIR_P) $(dir $@)
-	$(AM_V_GEN)$(CPP) $(CFLAGS) $(AM_CPPFLAGS) $(CPPFLAGS) -dM -include sys/socket.h - < /dev/null | grep -v AF_UNSPEC | grep -v AF_MAX | $(AWK) '/^#define[ \t]+AF_[^ \t]+[ \t]+PF_[^ \t]/ { print $$2; }'  > $@
+src/shared/errno-to-name.h: src/shared/errno-list.txt
+	$(AM_V_GEN)$(AWK) 'BEGIN{ print "static const char* const errno_names[] = { "} !/EDEADLOCK/ && !/EWOULDBLOCK/ && !/ENOTSUP/ { printf "[%s] = \"%s\",\n", $$1, $$1 } END{print "};"}' <$< >$@
 
-src/shared/af-from-name.gperf: src/shared/af-list.txt
-	$(AM_V_at)$(MKDIR_P) $(dir $@)
-	$(AM_V_GEN)$(AWK) 'BEGIN{ print "struct af_name { const char* name; int id; };"; print "%null-strings"; print "%%";} { printf "%s, %s\n", $$1, $$1 }' < $< > $@
 
-src/shared/af-from-name.h: src/shared/af-from-name.gperf
+src/shared/af-list.txt:
 	$(AM_V_at)$(MKDIR_P) $(dir $@)
-	$(AM_V_GPERF)$(GPERF) -L ANSI-C -t --ignore-case -N lookup_af -H hash_af_name -p -C < $< > $@
+	$(AM_V_GEN)$(CPP) $(CFLAGS) $(AM_CPPFLAGS) $(CPPFLAGS) -dM -include sys/socket.h - </dev/null | grep -v AF_UNSPEC | grep -v AF_MAX | $(AWK) '/^#define[ \t]+AF_[^ \t]+[ \t]+PF_[^ \t]/ { print $$2; }'  >$@
 
 src/shared/af-to-name.h: src/shared/af-list.txt
-	$(AM_V_at)$(MKDIR_P) $(dir $@)
-	$(AM_V_GEN)$(AWK) 'BEGIN{ print "static const char* const af_names[] = { "} !/AF_FILE/ && !/AF_ROUTE/ && !/AF_LOCAL/ { printf "[%s] = \"%s\",\n", $$1, $$1 } END{print "};"}' < $< > $@
+	$(AM_V_GEN)$(AWK) 'BEGIN{ print "static const char* const af_names[] = { "} !/AF_FILE/ && !/AF_ROUTE/ && !/AF_LOCAL/ { printf "[%s] = \"%s\",\n", $$1, $$1 } END{print "};"}' <$< >$@
 
 # ------------------------------------------------------------------------------
 systemd_SOURCES = \
-- 
2.30.2