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81 lines
2.7 KiB
Makefile
81 lines
2.7 KiB
Makefile
# A brief demonstration of using Automake with Libtool. -*-Makefile-*-
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#
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# NOTE: Don't forget that in the libtool distribution, files in this
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# directory are distributed by the demo_distfiles variable in the top
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# level Makefile.
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AUTOMAKE_OPTIONS = foreign
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EXTRA_DIST = $(TESTS) acinclude.m4
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hardcode_tests = hc-direct hc-libpath hc-minusL
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CLEANFILES = $(hardcode_tests)
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# Build a libtool library, libhello.la for installation in libdir.
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lib_LTLIBRARIES = libhello.la
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libhello_la_SOURCES = hello.c foo.c
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libhello_la_LDFLAGS = -version-info 3:12:1
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include_HEADERS = foo.h
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bin_PROGRAMS = hell hell.static helldl
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# Build hell from main.c and libhello.la
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hell_SOURCES = main.c
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hell_LDADD = libhello.la
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# Create a statically-linked version of hell.
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hell_static_SOURCES = main.c
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hell_static_LDADD = libhello.la
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hell_static_LDFLAGS = -static
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# Create a version of hell that does a preloaded dlopen.
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helldl_SOURCES = dlmain.c
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helldl_LDFLAGS = -export-dynamic -dlpreopen libhello.la
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TESTS = run.test
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# The following rules are only for the libtool demo and tests.
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# Regenerate our acinclude.m4 only if it doesn't exist.
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$(srcdir)/acinclude.m4:
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rm -f $(srcdir)/acinclude.m4
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ln -s ../libtool.m4 $(srcdir)/acinclude.m4
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# Don't build helldl on unsupported platforms.
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helldl: $(helldl_OBJECTS) $(helldl_DEPENDENCIES)
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@rm -f helldl helldlT
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@eval "`egrep '^global_symbol_pipe=' libtool`"; \
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if test -z "$$global_symbol_pipe"; then \
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echo 'creating helldl (-dlopen is unsupported)'; \
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echo "#! /bin/sh" > helldlT; \
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echo "echo '-dlopen is unsupported'" >> helldlT; \
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chmod +x helldlT; \
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mv -f helldlT helldl; \
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else \
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echo '$(LINK) $(helldl_LDFLAGS) $(helldl_OBJECTS) $(helldl_LDADD) $(LIBS)'; \
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$(LINK) $(helldl_LDFLAGS) $(helldl_OBJECTS) $(helldl_LDADD) $(LIBS); \
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fi
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# Test programs to see what gets hardcoded.
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.PHONY: hardcode
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hardcode: $(hardcode_tests)
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hc-direct: $(hell_OBJECTS) $(hell_DEPENDENCIES)
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@rm -f hc-direct
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@shlib=./.libs/libhello.a; \
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eval "`egrep '^library_names' libhello.la`"; \
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for lib in $$library_names; do \
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shlib="./.libs/$$lib"; \
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done; \
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echo "$(CC) $(LDFLAGS) -o $@ $(hell_OBJECTS) $$shlib $(LIBS)"; \
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eval "$(CC) $(LDFLAGS) -o $@ $(hell_OBJECTS) $$shlib $(LIBS)"
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hc-minusL: $(hell_OBJECTS) $(hell_DEPENDENCIES)
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@rm -f hc-minusL
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$(CC) $(LDFLAGS) -o $@ $(hell_OBJECTS) -L./.libs -lhello $(LIBS)
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hc-libpath: $(hell_OBJECTS) $(hell_DEPENDENCIES)
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@rm -f hc-libpath
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@echo "You may ignore any linking errors from the following command:"
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@eval `egrep -e '^shlibpath_var=' ./libtool`; \
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echo "$$shlibpath_var=./.libs $(CC) $(LDFLAGS) -o $@ $(hell_OBJECTS) -lhello $(LIBS) || echo unsupported > $@"; \
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eval "$$shlibpath_var=./.libs $(CC) $(LDFLAGS) -o $@ $(hell_OBJECTS) -lhello $(LIBS) || echo unsupported > $@"
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