[pkgsrc/trunk]: pkgsrc/mk * Document SUBST_CLASSES.

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

details:   https://anonhg.NetBSD.org/pkgsrc/rev/576e6869e5f8
branches:  trunk
changeset: 469847:576e6869e5f8
user:      uebayasi <uebayasi%pkgsrc.org@localhost>
date:      Mon Mar 01 09:57:10 2004 +0000

description:
* Document SUBST_CLASSES.
* Indent conditionals.

Reviewed By:    wiz

diffstat:

 mk/subst.mk |  22 +++++++++++++---------
 1 files changed, 13 insertions(+), 9 deletions(-)

diffs (51 lines):

diff -r 8fd4a49152d5 -r 576e6869e5f8 mk/subst.mk
--- a/mk/subst.mk       Mon Mar 01 09:45:31 2004 +0000
+++ b/mk/subst.mk       Mon Mar 01 09:57:10 2004 +0000
@@ -1,11 +1,15 @@
-# $NetBSD: subst.mk,v 1.9 2003/12/29 02:55:22 kim Exp $
+# $NetBSD: subst.mk,v 1.10 2004/03/01 09:57:10 uebayasi Exp $
 #
-# This Makefile fragment implements a general text replacement facility
-# for different classes of files in ${WRKSRC}.  For each class of files,
-# a target subst-<class> is created to perform the text replacement.
+# This Makefile fragment implements a general text replacement facility.
+# Package makefiles define a ``class'', for each of which a paricular
+# substitution description can be defined.  For each class of files, a
+# target subst-<class> is created to perform the text replacement.
 #
 # The following variables are used:
 #
+# SUBST_CLASSES
+#      A list of class names.  A new class name must be appended (+=).
+#
 # SUBST_STAGE.<class>
 #      "stage" at which we do the text replacement, e.g. pre-configure,
 #      post-build, etc.
@@ -33,11 +37,11 @@
 .for _class_ in ${SUBST_CLASSES}
 _SUBST_COOKIE.${_class_}=      ${WRKDIR}/.subst_${_class_}_done
 
-.if defined(SUBST_SED.${_class_}) && !empty(SUBST_SED.${_class_})
+.  if defined(SUBST_SED.${_class_}) && !empty(SUBST_SED.${_class_})
 SUBST_FILTER_CMD.${_class_}?=  ${SED} ${SUBST_SED.${_class_}}
-.else
+.  else
 SUBST_FILTER_CMD.${_class_}?=  # empty
-.endif
+.  endif
 
 SUBST_TARGETS+=                        subst-${_class_}
 _SUBST_TARGETS.${_class_}=     subst-${_class_}-message
@@ -55,10 +59,10 @@
 
 .PHONY: subst-${_class_}-message
  subst-${_class_}-message:
-.if defined(SUBST_MESSAGE.${_class_})
+.  if defined(SUBST_MESSAGE.${_class_})
        ${_PKG_SILENT}${_PKG_DEBUG}                                     \
        ${ECHO_SUBST_MSG} "=> ${SUBST_MESSAGE.${_class_}}"
-.endif
+.  endif
 
 .PHONY: subst-${_class_}-cookie
  subst-${_class_}-cookie: