From: Patrik Gornicz <Gornicz.P@gmail.com>
Date: Tue, 1 Sep 2009 05:24:06 +0000 (-0400)
Subject: finished changes to deps directory building
X-Git-Tag: libbear-premerge~1
X-Git-Url: http://gitweb.pgornicz.com/?a=commitdiff_plain;h=e3c1a1885bdb9b8a98a911e0e866d881520a20cf;p=libbear.git

finished changes to deps directory building
---

diff --git a/lib/rules.mk b/lib/rules.mk
index e2e53ae..66dfd21 100644
--- a/lib/rules.mk
+++ b/lib/rules.mk
@@ -21,16 +21,15 @@ ${G_DEPS_LIB}: ${L_DEPS_$P}
 
 
 # how to link the main target
-${TARGETTMP_$P}: ${L_OBJS_$P} | $${@D}
+${TARGETTMP_$P}: ${L_OBJS_$P} | $${SS_DIR}
 	${cmd-link}
 
 # rule to copy tmp target to working directory
-${TARGET_$P}: ${TARGETTMP_$P} | $${@D}
+${TARGET_$P}: ${TARGETTMP_$P} | $${SS_DIR}
 	${cmd-cp}
 
 # rule to make an object file from a .cpp
-${OBJSDIR_$P}%.o: ${SRCSDIR_$P}%.cpp | $${@D} \
-                  $$(patsubst ${OBJSDIR_$P},${DEPSDIR_$P},$${@D})
+${OBJSDIR_$P}/%.o: ${SRCSDIR_$P}/%.cpp | $${SS_DIR} $${call SS_DEPSDIR,$P}
 	${cmd-cpp_to_obj_and_dep}
 
 
diff --git a/rules.mk b/rules.mk
index db6d2a2..efeb8c1 100644
--- a/rules.mk
+++ b/rules.mk
@@ -34,14 +34,6 @@ define cmd-cpp_to_obj_and_dep
   ${Q4s}${CXX} -c $< -o $@ -MF ${@:${OBJSDIR}%.o=${DEPSDIR}%.d} ${CXXFLAGS} ${INCFLAGS} -MMD -MQ $@ ${Q4e}
 endef
 
-# Deprecated, use cmd-cpptoobjdep to create obj and dep
-define cmd-cpptoobj
-  ${Q1s}${PRNTLOG} "${CXX}" "$@" ${Q1e}
-  ${Q2s}${PRNTFMT} "${CXX}" "$@" ${Q2e}
-	${Q3s}${CXX} $< -o $@ ${CXXFLAGS} ${INCFLAGS} -c ${Q3e}
-	${Q4s}${CXX} $< -o $@ ${CXXFLAGS} ${INCFLAGS} -c ${Q4e}
-endef
-
 
 ${L_BLDDIRS}:
 	${Q1s}${PRNTLOG} "mkdir" "$@" ${Q1e}
diff --git a/tests/rules.mk b/tests/rules.mk
index 865de99..a78b44e 100644
--- a/tests/rules.mk
+++ b/tests/rules.mk
@@ -3,16 +3,12 @@ ${G_OBJS_TESTS}: ${L_OBJS_$P}
 ${G_DEPS_TESTS}: ${L_DEPS_$P}
 
 # how to copy a library to the tests bin directory
-${BINDIR_$P}/${SONAME_${G_LIB}}: ${TARGET_${G_LIB}} | $${@D}
+${BINDIR_$P}/${SONAME_${G_LIB}}: ${TARGET_${G_LIB}} | $${SS_DIR}
 	${cmd-cp}
 
 # rule to make an object file from a .cpp
-${OBJSDIR_$P}%.o: ${SRCSDIR_$P}%.cpp | $${@D}
-	${cmd-cpptoobj}
-
-# rule to make a depend file from a .cpp
-${DEPSDIR_$P}%.d: ${SRCSDIR_$P}%.cpp | $${@D}
-	${cmd-cpptodep}
+${OBJSDIR_$P}/%.o: ${SRCSDIR_$P}/%.cpp | $${SS_DIR} $${call SS_DEPSDIR,$P}
+	${cmd-cpp_to_obj_and_dep}
 
 
 T := $P
diff --git a/vars.mk b/vars.mk
index 4bf1bb2..6bc0f9f 100644
--- a/vars.mk
+++ b/vars.mk
@@ -1,7 +1,19 @@
 
-# cause the fancy $${@D} directory rules to work out
+# cause the fancy SS_ directory rules to work out
 .SECONDEXPANSION:
 
+# The SS rules need to be 'recursive' so they evaluate the @ variables at
+# secondary expansion time
+SS_DIR     = ${@D}
+
+# Warning this secondary expansion rule is very very sensitive
+#  tricks are needed to make things work because the stem % does not match
+#  empty also, it is used by the call syntax as the package variable needs to be
+#  invoked as usage time while the rest has to be delayed till secondary
+#  expansion.
+SS_DEPSDIR = $(patsubst %/,%,$(patsubst ${OBJSDIR_$(1)}%,${DEPSDIR_$(1)}%,$(dir $@)))
+
+
 B_DEBUG    := DEBUG
 B_FINAL    := FINAL
 B_WIN32    := WIN32