[pkgsrc/trunk]: pkgsrc/mk/tools Why should we write the same code over and ov...

[rillig <rillig%pkgsrc.org@localhost>]

details:   https://anonhg.NetBSD.org/pkgsrc/rev/f67c604e7416
branches:  trunk
changeset: 533170:f67c604e7416
user:      rillig <rillig%pkgsrc.org@localhost>
date:      Mon Sep 10 07:00:37 2007 +0000

description:
Why should we write the same code over and over again? We shouldn't.

diffstat:

 mk/tools/replace.mk |  56 +++++++++++++++++-----------------------------------
 1 files changed, 18 insertions(+), 38 deletions(-)

diffs (70 lines):

diff -r d70057b1e07c -r f67c604e7416 mk/tools/replace.mk
--- a/mk/tools/replace.mk       Mon Sep 10 06:47:21 2007 +0000
+++ b/mk/tools/replace.mk       Mon Sep 10 07:00:37 2007 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: replace.mk,v 1.196 2007/08/17 20:27:32 joerg Exp $
+# $NetBSD: replace.mk,v 1.197 2007/09/10 07:00:37 rillig Exp $
 #
 # Copyright (c) 2005 The NetBSD Foundation, Inc.
 # All rights reserved.
@@ -141,43 +141,23 @@
 _TOOLS_DEPMETHOD.${_t_:C/:.*//}=       DEPENDS
 .endfor
 
-.if !empty(_USE_TOOLS:Mbison-yacc)     # bison-yacc > yacc
-.  if defined(_TOOLS_DEPMETHOD.bison-yacc) && \
-      (${_TOOLS_DEPMETHOD.bison-yacc} == "BUILD_DEPENDS") && \
-      defined(_TOOLS_DEPMETHOD.yacc)
-_TOOLS_DEPMETHOD.bison-yacc=   ${_TOOLS_DEPMETHOD.yacc}
-.  endif
-.endif
-.if !empty(_USE_TOOLS:Mflex)           # flex > lex
-.  if (${_TOOLS_DEPMETHOD.flex} == "BUILD_DEPENDS") && \
-      defined(_TOOLS_DEPMETHOD.lex)
-_TOOLS_DEPMETHOD.flex=         ${_TOOLS_DEPMETHOD.lex}
-.  endif
-.endif
-.if !empty(_USE_TOOLS:Mgawk)           # gawk > awk
-.  if (${_TOOLS_DEPMETHOD.gawk} == "BUILD_DEPENDS") && \
-      defined(_TOOLS_DEPMETHOD.awk)
-_TOOLS_DEPMETHOD.gawk=         ${_TOOLS_DEPMETHOD.awk}
-.  endif
-.endif
-.if !empty(_USE_TOOLS:Mgm4)            # gm4 > m4
-.  if (${_TOOLS_DEPMETHOD.gm4} == "BUILD_DEPENDS") && \
-      defined(_TOOLS_DEPMETHOD.m4)
-_TOOLS_DEPMETHOD.gm4=          ${_TOOLS_DEPMETHOD.m4}
-.  endif
-.endif
-.if !empty(_USE_TOOLS:Mgsed)           # gsed > sed
-.  if (${_TOOLS_DEPMETHOD.gsed} == "BUILD_DEPENDS") && \
-      defined(_TOOLS_DEPMETHOD.sed)
-_TOOLS_DEPMETHOD.gsed=         ${_TOOLS_DEPMETHOD.sed}
-.  endif
-.endif
-.if !empty(_USE_TOOLS:Mgsoelim)                # gsoelim > soelim
-.  if (${_TOOLS_DEPMETHOD.gsoelim} == "BUILD_DEPENDS") && \
-      defined(_TOOLS_DEPMETHOD.soelim)
-_TOOLS_DEPMETHOD.gsoelim=      ${_TOOLS_DEPMETHOD.soelim}
-.  endif
-.endif
+.for pair in \
+       bison-yacc:yacc \
+       flex:lex \
+       gawk:awk \
+       gm4:m4 \
+       gsed:sed \
+       gsoelim:soelim
+.  for first in ${pair:C/:.*//}
+.    for second in ${pair:C/.*://}
+.      if !empty(_USE_TOOLS:M${first})
+.        if (${_TOOLS_DEPMETHOD.${first}} == "BUILD_DEPENDS") && defined(_TOOLS_DEPMETHOD.${second})
+_TOOLS_DEPMETHOD.${first}=     ${_TOOLS_DEPMETHOD.${second}}
+.        endif
+.      endif
+.    endfor
+.  endfor
+.endfor
 
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