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d3eecbf211
-Wl,--push-state,--no-as-needed,-lc,--pop-state forces libc back into
DT_NEEDED for libraries that reach it only through libhttrack: the
libhtsjava JNI wrapper and the libtest callback examples. The flag is
GNU-ld-specific; Apple's ld rejects it ("ld: unknown options:
--push-state --no-as-needed --pop-state"), breaking the macOS build, and
doesn't need it (every dylib links libSystem anyway).
Probe it once with AX_CHECK_LINK_FLAG and emit it via LIBC_FORCE_LINK
only where the linker accepts it. On GNU/Linux the flag is still applied
and libc.so.6 stays in DT_NEEDED, so behavior is unchanged there.
Signed-off-by: Xavier Roche <roche@httrack.com>
62 lines
3.3 KiB
Makefile
62 lines
3.3 KiB
Makefile
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exemplesdir = $(datadir)/httrack/libtest
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# Glob against $(srcdir), not the build dir: a bare "*.c" is resolved relative to
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# the build dir and stays unexpanded (breaking "make") in an out-of-tree build.
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exemples_DATA = $(srcdir)/*.c $(srcdir)/*.h $(srcdir)/*.txt
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EXTRA_DIST = $(exemples_DATA) libtest.mak libtest.vcproj
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AM_CPPFLAGS = \
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@DEFAULT_CFLAGS@ \
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@THREADS_CFLAGS@ \
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@V6_FLAG@ \
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@LFS_FLAG@ \
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-DPREFIX=\""$(prefix)"\" \
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-DSYSCONFDIR=\""$(sysconfdir)"\" \
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-DDATADIR=\""$(datadir)"\" \
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-DLIBDIR=\""$(libdir)"\"
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# Use $(top_srcdir)/src, not ../src: the latter is relative to the build dir and
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# misses the source headers (e.g. httrack-library.h) in an out-of-tree build.
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AM_CPPFLAGS += -I$(top_srcdir)/src
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# The callback examples reference libc only through libhttrack, so the direct
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# libc edge gets dropped from DT_NEEDED (library-not-linked-against-libc).
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# Force libc back; configure gates the flag since only a GNU-style linker
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# accepts it (LIBC_FORCE_LINK is empty on e.g. macOS).
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AM_LDFLAGS = \
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@DEFAULT_LDFLAGS@ \
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-L../src \
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@LIBC_FORCE_LINK@
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# Examples
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libbaselinks_la_SOURCES = callbacks-example-baselinks.c
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libbaselinks_la_LIBADD = $(THREADS_LIBS) $(SOCKET_LIBS) $(top_builddir)/src/libhttrack.la
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libbaselinks_la_LDFLAGS = $(AM_LDFLAGS) -version-info 1:0:0
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libchangecontent_la_SOURCES = callbacks-example-changecontent.c
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libchangecontent_la_LIBADD = $(THREADS_LIBS) $(SOCKET_LIBS) $(top_builddir)/src/libhttrack.la
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libchangecontent_la_LDFLAGS = $(AM_LDFLAGS) -version-info 1:0:0
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libcontentfilter_la_SOURCES = callbacks-example-contentfilter.c
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libcontentfilter_la_LIBADD = $(THREADS_LIBS) $(SOCKET_LIBS) $(top_builddir)/src/libhttrack.la
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libcontentfilter_la_LDFLAGS = $(AM_LDFLAGS) -version-info 1:0:0
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libdisplayheader_la_SOURCES = callbacks-example-displayheader.c
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libdisplayheader_la_LIBADD = $(THREADS_LIBS) $(SOCKET_LIBS) $(top_builddir)/src/libhttrack.la
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libdisplayheader_la_LDFLAGS = $(AM_LDFLAGS) -version-info 1:0:0
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libfilename2_la_SOURCES = callbacks-example-filename2.c
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libfilename2_la_LIBADD = $(THREADS_LIBS) $(SOCKET_LIBS) $(top_builddir)/src/libhttrack.la
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libfilename2_la_LDFLAGS = $(AM_LDFLAGS) -version-info 1:0:0
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libfilename_la_SOURCES = callbacks-example-filename.c
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libfilename_la_LIBADD = $(THREADS_LIBS) $(SOCKET_LIBS) $(top_builddir)/src/libhttrack.la
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libfilename_la_LDFLAGS = $(AM_LDFLAGS) -version-info 1:0:0
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libfilenameiisbug_la_SOURCES = callbacks-example-filenameiisbug.c
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libfilenameiisbug_la_LIBADD = $(THREADS_LIBS) $(SOCKET_LIBS) $(top_builddir)/src/libhttrack.la
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libfilenameiisbug_la_LDFLAGS = $(AM_LDFLAGS) -version-info 1:0:0
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liblistlinks_la_SOURCES = callbacks-example-listlinks.c
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liblistlinks_la_LIBADD = $(THREADS_LIBS) $(SOCKET_LIBS) $(top_builddir)/src/libhttrack.la
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liblistlinks_la_LDFLAGS = $(AM_LDFLAGS) -version-info 1:0:0
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liblog_la_SOURCES = callbacks-example-log.c
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liblog_la_LIBADD = $(THREADS_LIBS) $(SOCKET_LIBS) $(top_builddir)/src/libhttrack.la
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liblog_la_LDFLAGS = $(AM_LDFLAGS) -version-info 1:0:0
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libsimple_la_SOURCES = callbacks-example-simple.c
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libsimple_la_LIBADD = $(THREADS_LIBS) $(SOCKET_LIBS) $(top_builddir)/src/libhttrack.la
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libsimple_la_LDFLAGS = $(AM_LDFLAGS) -version-info 1:0:0
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pkglib_LTLIBRARIES = libbaselinks.la libchangecontent.la libcontentfilter.la libdisplayheader.la libfilename2.la libfilename.la libfilenameiisbug.la liblistlinks.la liblog.la libsimple.la
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