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Makefile: allow 'modules' and 'libs' to build in parallel 

Removes the shell serialisation `for .. in ..` expression

This provides another significant speed up, after */Depend was made
parallel.  x3+ speedup over -j1.
This commit is contained in:
Darryl L. Miles 2025-07-24 14:50:17 +01:00 committed by R. Timothy Edwards
parent a81184e205
commit 8eb2ec9ead
1 changed files with 14 additions and 8 deletions
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22
Makefile
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@ -47,15 +47,21 @@ database/database.h: ${MAGICDIR}/database/database.h.in
@echo --- making header file database/database.h @echo --- making header file database/database.h
${SCRIPTS}/makedbh ${MAGICDIR}/database/database.h.in database/database.h ${SCRIPTS}/makedbh ${MAGICDIR}/database/database.h.in database/database.h
modules: database/database.h depend # tiles xyz => tiles/libtiles.o xyz/libxyz.o
@echo --- making modules MODULES_SUBDIR := $(shell for i in ${MODULES}; do echo "$${i}/lib$${i}.o"; done)
for dir in ${MODULES} ${PROGRAMS}; do \ # tiles xyz => tiles/libtiles.a xyz/libxyz.a
(cd $$dir && ${MAKE} module) || exit 1; done LIBS_SUBDIR := $(shell for i in ${MODULES}; do echo "$${i}/lib$${i}.a"; done)
libs: database/database.h depend .PHONY: FORCE
@echo --- making libraries ${MODULES_SUBDIR}: FORCE
for dir in ${LIBRARIES}; do \ @${MAKE} -C $(dir $@) module
(cd $$dir && ${MAKE} lib) || exit 1; done
modules: database/database.h depend ${MODULES_SUBDIR}
${LIBS_SUBDIR}: FORCE
@${MAKE} -C $(dir $@) lib
libs: database/database.h depend ${LIBS_SUBDIR}
# #
# extcheck - utility tool # extcheck - utility tool