source: CMT/v1r12p20020606/fragments/constituent_synchronized @ 1

$(bin)${CONSTITUENT}.make :: build_library_links dirs
        @echo "------> (constituents.make) Building ${CONSTITUENT}.make"; \
          $(cmtexe) build constituent_makefile ${CONSTITUENT} -quiet -tag=$(tags); \
          if test ! "$(bin)" = "./"; then /bin/mv -f ${CONSTITUENT}.make $(bin); fi

#------------------------------------------------------------------------------------
#  Create a lock file while building the constituent. keep sleeping while another
# process builds this constituent.
#  This is only useful when the result of the build is in some shared directory
#  (eg for code generators)
#
${CONSTITUENT} :: $(${CONSTITUENT}_dependencies) $(bin)${CONSTITUENT}.make
        @a=`ls ${CONSTITUENT}_*.lock 2>/dev/null`; \
        if test ! "$${a}" = ""; then \
          echo "==> ${CONSTITUENT} being built, waiting for completion..."; \
          while test -f $${a}; do \
            sleep 1; \
          done; \
          echo finished; \
        else \
          lockfile=${CONSTITUENT}_$$$$.lock; \
          trap '/bin/rm -f $${lockfile}; exit $${status}' 0 1 2 15; \
          touch $${lockfile}; \
          echo "------> (constituents.make) Starting ${CONSTITUENT}"; \
          $(MAKE) -f $(bin)${CONSTITUENT}.make $(MAKEFLAGS) ${CONSTITUENT}; \
          status=$$?; \
        fi

${CONSTITUENT}clean :: $(${CONSTITUENT}clean_dependencies) ##$(bin)${CONSTITUENT}.make
        @if test -f $(bin)${CONSTITUENT}.make; then \
          echo "------> (constituents.make) Starting ${CONSTITUENT}clean"; \
          $(MAKE) -f $(bin)${CONSTITUENT}.make $(MAKEFLAGS) ${CONSTITUENT}clean; \
          /bin/rm -f $(bin)${CONSTITUENT}.make $(bin)${CONSTITUENT}_dependencies.make; \
        fi; \
        /bin/rm -f ${CONSTITUENT.stamp}