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8055922: Work around sjavac limitation with public api tracking cross modules

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Reviewed-by: ihse
This commit is contained in:
Erik Joelsson 2014-08-27 11:19:01 +02:00
parent 9b7b252093
commit 9e4f249ef0
1 changed files with 17 additions and 5 deletions
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22
make/common/JavaCompilation.gmk
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@ -564,7 +564,7 @@ define SetupJavaCompilation
endif
# Using sjavac to compile.
$1_COMPILE_TARGETS := $$($1_BIN)/javac_state
$1_COMPILE_TARGETS := $$($1_BIN)/_the.$1_batch
# Create SJAVAC variable form JAVAC variable. Expects $1_JAVAC to be
# "bootclasspathprepend -cp .../javac.jar com.sun.tools.javac.Main"
@ -574,8 +574,12 @@ define SetupJavaCompilation
# Set the $1_REMOTE to spawn a background javac server.
$1_REMOTE:=--server:portfile=$$($1_SJAVAC_PORTFILE),id=$1,sjavac=$$(subst $$(SPACE),%20,$$(subst $$(COMMA),%2C,$$(strip $$($1_SERVER_JVM) $$($1_SJAVAC))))
$$($1_BIN)/javac_state: $$($1_SRCS) $$($1_DEPENDS)
$$($1_BIN)/_the.$1_batch: $$($1_SRCS) $$($1_DEPENDS)
$(MKDIR) -p $$(@D)
# As a workaround for sjavac not tracking api changed from the classpath, force full
# recompile if an external dependency, which is something other than a source
# change, triggered this compilation.
$$(if $$(filter-out $$($1_SRCS), $$?), $(FIND) $$(@D) -name "*.class" $(FIND_DELETE))
$$(call ListPathsSafely,$1_SRCS,\n, >> $$($1_BIN)/_the.$1_batch.tmp)
$(ECHO) Compiling $1
($$($1_JVM) $$($1_SJAVAC) \
@ -590,8 +594,16 @@ define SetupJavaCompilation
$$($1_HEADERS_ARG) \
-d $$($1_BIN) && \
$(MV) $$($1_BIN)/_the.$1_batch.tmp $$($1_BIN)/_the.$1_batch)
# sjavac doesn't touch this if nothing has changed
$(TOUCH) $$@
# Create a pubapi file that only changes when the pubapi changes. Dependent
# compilations can use this file to only get recompiled when pubapi has changed.
# Grep returns 1 if no matching lines are found. Do not fail for this.
$(GREP) -e "^I" $$($1_BIN)/javac_state > $$($1_BIN)/_the.$1_pubapi.tmp \
|| test "$$$$?" = "1"
if [ ! -f $$($1_BIN)/_the.$1_pubapi ] \
|| [ "`$(DIFF) $$($1_BIN)/_the.$1_pubapi $$($1_BIN)/_the.$1_pubapi.tmp`" != "" ]; then \
$(MV) $$($1_BIN)/_the.$1_pubapi.tmp $$($1_BIN)/_the.$1_pubapi; \
fi
else
# Using plain javac to batch compile everything.
$1_COMPILE_TARGETS := $$($1_BIN)/_the.$1_batch
@ -681,7 +693,7 @@ endef
# param 1 is for example BUILD_MYPACKAGE
# param 2 is the output directory (BIN)
define SetupJavaCompilationCompileTarget
$(if $(findsring yes, $(ENABLE_SJAVAC)), $(strip $2)/javac_state, \
$(if $(findstring yes, $(ENABLE_SJAVAC)), $(strip $2)/_the.$(strip $1)_pubapi, \
$(strip $2)/_the.$(strip $1)_batch)
endef
endif