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8ed98c1580
(cvs-diff): ditto (EXTRA_DIST): added README-alpha (DIST_SUBDIRS): added depdemo * README-alpha: minor adaptations * demo/Makefile.am, mdemo/Makefile.am, depdemo/Makefile.am: removed comment about special needs for distribution * depdemo/Makefile.am: don't generate dependencies * depdemo/configure.in: modified version number
111 lines
3.5 KiB
Makefile
111 lines
3.5 KiB
Makefile
# A brief demonstration of using Automake with Libtool. -*-Makefile-*-
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#
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AUTOMAKE_OPTIONS = no-dependencies foreign
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EXTRA_DIST = $(TESTS) acinclude.m4
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hardcode_tests = hc-direct hc-libflag hc-libpath hc-minusL
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CLEANFILES = $(hardcode_tests)
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# Build a libtool library, libhello.la for installation in libdir.
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lib_LTLIBRARIES = libhello.la
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libhello_la_SOURCES = hello.c foo.c
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libhello_la_LDFLAGS = -version-info 3:12:1 -lm
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include_HEADERS = foo.h
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if BINARY_HELLDL
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BUILD_helldl = helldl
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else
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BUILD_helldl =
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endif
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bin_PROGRAMS = hell hell.debug $(BUILD_helldl)
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# Build hell from main.c and libhello.la
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hell_SOURCES = main.c
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hell_LDADD = libhello.la
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# Create an easier-to-debug version of hell.
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hell_debug_SOURCES = main.c
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hell_debug_LDADD = libhello.la
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hell_debug_LDFLAGS = -static
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if BINARY_HELLDL
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# Create a version of hell that does a preloaded dlopen.
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helldl_SOURCES = dlmain.c
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helldl_LDFLAGS = -export-dynamic -dlpreopen libhello.la
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helldl_DEPENDENCIES = libhello.la
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else
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bin_SCRIPTS = helldl
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# create a script that says that -dlopen is not supported
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helldl:
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rm -f $@
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echo '#! /bin/sh' > $@
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echo '-dlopen is unsupported' >> $@
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chmod +x $@
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endif
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# Unfortunately, in order to test libtool thoroughly, we need access
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# to its private directory.
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objdir = `sed -n -e 's/^objdir=\(.*\)$$/\1/p' ../libtool`
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TESTS = run.test
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# The following rules are only for the libtool demo and tests.
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# Regenerate our acinclude.m4 only if it doesn't exist.
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$(srcdir)/acinclude.m4:
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rm -f $(srcdir)/acinclude.m4
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cd $(srcdir) && $(LN_S) ../libtool.m4 acinclude.m4
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# Test programs to see what gets hardcoded.
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.PHONY: hardcode
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hardcode: $(hardcode_tests)
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hc-direct: $(hell_OBJECTS) $(hell_DEPENDENCIES)
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@rm -f hc-direct
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@echo "You may ignore any linking errors from the following command:"
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@shlib=./$(objdir)/libhello.a; \
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eval "`egrep '^library_names' libhello.la`"; \
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for lib in $$library_names; do \
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shlib="./$(objdir)/$$lib"; \
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done; \
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echo "$(CC) $(LDFLAGS) -o $@ $(hell_OBJECTS) $$shlib -lm || echo unsupported > $@"; \
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eval "$(CC) $(LDFLAGS) -o $@ $(hell_OBJECTS) $$shlib -lm || echo unsupported > $@"
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# We need to create an alias for $(objdir) so that this test works regardless
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# of $hardcode_minus_L
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hc-libflag: $(hell_OBJECTS) $(hell_DEPENDENCIES)
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rm -rf hc-libflag _hclibs
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mkdir _hclibs
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objdir=$(objdir); cd _hclibs && for lib in ../$$objdir/libhello*; do \
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$(LN_S) $$lib `echo "$$lib" | sed 's%^.*/%%'` || exit 1; \
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done
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@eval `egrep -e '^(hardcode_.*|wl)=' ../libtool`; \
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libdir=`pwd`/$(objdir); \
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flag=`eval echo \"$$hardcode_libdir_flag_spec\"`; \
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if test -z "$$flag"; then \
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echo "echo unsupported > $@"; \
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echo unsupported > $@ || status="$$?"; \
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else \
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echo "$(CC) $(LDFLAGS) -o $@ $(hell_OBJECTS) $$flag -L./_hclibs -lhello -lm"; \
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$(CC) $(LDFLAGS) -o $@ $(hell_OBJECTS) $$flag -L./_hclibs -lhello -lm || status="$$?"; \
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fi; \
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echo "rm -rf _hclibs"; \
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rm -rf _hclibs; \
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exit $$status
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hc-libpath: $(hell_OBJECTS) $(hell_DEPENDENCIES)
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@rm -f hc-libpath
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@echo "You may ignore any linking errors from the following command:"
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@eval `egrep -e '^shlibpath_var=' ../libtool`; \
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echo "$$shlibpath_var=./$(objdir) $(CC) $(LDFLAGS) -o $@ $(hell_OBJECTS) -lhello -lm || echo unsupported > $@"; \
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eval "$$shlibpath_var=./$(objdir) $(CC) $(LDFLAGS) -o $@ $(hell_OBJECTS) -lhello -lm || echo unsupported > $@"
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hc-minusL: $(hell_OBJECTS) $(hell_DEPENDENCIES)
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@rm -f hc-minusL
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$(CC) $(LDFLAGS) -o $@ $(hell_OBJECTS) -L./$(objdir) -lhello -lm
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