diff options
Diffstat (limited to 'libjava/Makefile.am')
| -rw-r--r-- | libjava/Makefile.am | 39 |
1 files changed, 24 insertions, 15 deletions
diff --git a/libjava/Makefile.am b/libjava/Makefile.am index c0aa90926d8..91ac1c9c56f 100644 --- a/libjava/Makefile.am +++ b/libjava/Makefile.am @@ -247,27 +247,36 @@ all_java_source_files = \ EXTRA_DIST = $(all_java_source_files) -# Build a list of native and bytecode-compiled directories. The Makefile -# depends on them, because they affect the definition of two variables -# below. -# Each directory's filelist file depends on the corresponding Java source files -# Each class file depends on the its directory's .stamp file -# Below, one .lo file is built per directory when the stamp file changes - +# Build dependencies between java, class and lo files. They are included +# below, together with automatically-generated dependencies between Java +# files. +# +# Dependencies from Java to .class files +# -------------------------------------- +# Each directory's filelist file depends on the corresponding Java source files. +# The stamp file depends on the filelist (using a `Static Pattern Rule'). +# Each class file depends on the its directory's .stamp file. This reflects +# the fact that 1) all classfiles are compiled in one go when the .stamp file +# is built and 2) anything which depends on a particular .class file must wait +# until its directory is processed and the .stamp file is created. +# +# Dependencies from Java to .lo files +# ----------------------------------- +# As above, each directory's filelist file depends on the corresponding Java +# source files, and the stamp file depends on the filelist. For native +# compilation, the lo file depends on the stamp file (also using a `Static +# Pattern Rule'). So, when one Java file changes, the filelist file is +# updated, the stamp file rule builds the .class files, and the .lo file rule +# recompiles to native code. Makefile.deps: $(srcdir)/Makefile.in @: $(call write_entries_to_file,$(all_java_source_files),files.tmplist) - sed 's,/[^/]*$$,,' \ - files.tmplist | sort | uniq > bytecodes.list - sed -n '1,$(words $(all_native_compiled_source_files))s,/[^/]*$$,,p' \ - files.tmplist | sort | uniq > native.list echo 's,^\(.*\)/\([^/]*\)\.java$$,\1.list: \0\' > tmpsed echo '\1/\2.class: \1.stamp,' >> tmpsed - sed -ftmpsed files.tmplist \ - > Makefile.deps + sed -ftmpsed files.tmplist > Makefile.deps rm files.tmplist tmpsed -all_native_compiled_dirs := $(shell test -f native.list && cat native.list) -all_java_dirs := $(shell test -f bytecodes.list && cat bytecodes.list) +all_native_compiled_dirs = $(sort $(patsubst %/, %, $(dir $(all_native_compiled_source_files)))) +all_java_dirs = $(sort $(patsubst %/, %, $(dir $(all_java_source_files)))) all_java_lo_files = $(all_native_compiled_dirs:=.lo) all_java_deps_files = $(all_java_dirs:=.deps) all_java_stamp_files = $(all_java_dirs:=.stamp) |
