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readline/Makefile: move up before with no scheme 

rename symlink(s) use phony targets, delegate the symlink creation
management command sequence to a single point in the project inside
the readline/Makefile
This commit is contained in:
Darryl L. Miles 2024-10-17 21:14:11 +01:00 committed by R. Timothy Edwards
parent 80c043db79
commit acefe4811f
2 changed files with 52 additions and 12 deletions
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5
commands/Makefile
View File

@ -12,10 +12,9 @@ SRCS = CmdSubrs.c CmdAB.c CmdCD.c CmdE.c CmdFI.c \
module: ${MAGICDIR}/readline/readline lib${MODULE}.o
# Delegate this task to the readline/Makefile
${MAGICDIR}/readline/readline:
@if ( ! test -f ${MAGICDIR}/readline/readline ) ; then \
(cd ${MAGICDIR}/readline; ln -s `ls | grep readline` readline) ; \
fi
${MAKE} -C ${MAGICDIR}/readline readline-create-symlinks
include ${MAGICDIR}/defs.mak
include ${MAGICDIR}/rules.mak

59
readline/Makefile
View File

@ -2,7 +2,7 @@ MAGICDIR = ..
include ${MAGICDIR}/defs.mak
module: readline readline/libreadline.a readline/libhistory.a
module: readline-create-symlinks libreadline.a libhistory.a
depend:
@ -11,17 +11,58 @@ depend:
# link has been removed, and code is now just in real directory
# "readline".
readline:
#
# The symlink resolves where the source for readline is coming from,
# so it is a well known path ${top_builddir}/readline/readline
#
# For the purpose of #include <readline/readline/readline.h> to work
#
# Then we do an out of tree build in build-readline subdir in $builddir
#
# Then we symlink the output archives inside build-readline to
# ${top_builddir}/readline/lib*.a so they are on a well known path
# for the project to find and link against.
#
readline/libhistory.a: readline/libreadline.a
.PHONY: readline-create-symlinks
readline-create-symlinks:
@if ! test -e readline ; then \
readline_target_dir=$$(ls | grep readline | grep -v "^readline$$" | tail -n1); \
if test -d "$${readline_target_dir}" ; then \
$(LN) -nsf "$${readline_target_dir}" ./readline ; \
fi; \
fi
readline/libreadline.a:
@echo --- building GNU readline
(cd readline; CC="${CC}" CFLAGS="${CFLAGS}" LOCAL_DEFS="${READLINE_DEFS}" ./configure --disable-shared ; ${MAKE})
libhistory.a: build-readline/libhistory.a
@if ! test -e libhistory.a ; then \
$(LN) -nsf build-readline/libreadline.a libhistory.a ; \
fi
libreadline.a: build-readline/libreadline.a
@if ! test -e libreadline.a ; then \
$(LN) -nsf build-readline/libreadline.a libreadline.a ; \
fi
build-readline/libreadline.a build-readline/libhistory.a: readline-create-symlinks build-readline
.PHONY: build-readline
build-readline:
@if ! test -e build-readline/Makefile ; then \
echo --- building GNU readline ; \
$(MKDIR) -p build-readline ; \
(cd build-readline && CC="${CC}" CFLAGS="${CFLAGS}" LOCAL_DEFS="${READLINE_DEFS}" \
"../readline/configure" --disable-shared) || exit 1 ; \
fi
@(cd build-readline && ${MAKE}) || exit 1
clean:
@if ( test -f readline/Makefile ) ; then \
(cd readline && ${MAKE} distclean) ; \
@if test -f build-readline/Makefile ; then \
(cd build-readline && ${MAKE} distclean) ; \
fi
${RM} readline
@for d in build-readline/doc build-readline/examples build-readline/shlib build-readline ; do \
test -d "$$d" && $(RMDIR) "$$d" 2>/dev/null ; \
done ; true
$(RM) libhistory.a
$(RM) libreadline.a
$(RM) readline