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Add linker version script to hide non-ABI stable symbols in the client

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libraries. While this helps defining a more streamlined ABI, this also requires
linking a lot of additional symbols into some PA client utilities which until
now made use of the non-ABI stable symbols in libpulse. To minimize the effect
on there size a bit, strip unused symbols by linking with -ffunction-sections
-fdata-sections -Wl,--gc-sections


git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@2018 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2007-11-04 13:51:18 +00:00
parent bc161b4b4a
commit 95af1e616b
2 changed files with 240 additions and 10 deletions
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30
src/Makefile.am
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@ -64,7 +64,7 @@ AM_LIBADD = $(PTHREAD_LIBS)
AM_LDADD = $(PTHREAD_LIBS)
# Only required on some platforms but defined for all to avoid errors
AM_LDFLAGS = -Wl,-no-undefined
AM_LDFLAGS = -Wl,-no-undefined -ffunction-sections -fdata-sections -Wl,--gc-sections
if STATIC_BINS
BINLDFLAGS = -static
@ -101,7 +101,8 @@ EXTRA_DIST = \
daemon/esdcompat.in \
utils/padsp \
modules/module-defs.h.m4 \
daemon/pulseaudio-module-xsmp.desktop
daemon/pulseaudio-module-xsmp.desktop \
map-file
pulseconf_DATA = \
default.pa \
@ -194,12 +195,12 @@ pasuspender_LDADD = $(AM_LDADD) libpulse.la $(LIBSNDFILE_LIBS)
pasuspender_CFLAGS = $(AM_CFLAGS) $(LIBSNDFILE_CFLAGS)
pasuspender_LDFLAGS = $(AM_LDFLAGS) $(BINLDFLAGS)
pacmd_SOURCES = utils/pacmd.c pulsecore/pid.c pulsecore/pid.h
pacmd_SOURCES = utils/pacmd.c pulsecore/pid.c pulsecore/pid.h pulsecore/core-util.c pulsecore/core-util.h pulsecore/core-error.c pulsecore/core-error.h pulsecore/log.c pulsecore/log.h pulsecore/once.c pulsecore/once.h $(PA_THREAD_OBJS)
pacmd_CFLAGS = $(AM_CFLAGS)
pacmd_LDADD = $(AM_LDADD) libpulse.la
pacmd_LDFLAGS = $(AM_LDFLAGS) $(BINLDFLAGS)
pax11publish_SOURCES = utils/pax11publish.c
pax11publish_SOURCES = utils/pax11publish.c pulsecore/x11prop.c pulsecore/x11prop.h pulse/client-conf.c pulse/client-conf.h pulsecore/authkey.h pulsecore/authkey.c pulsecore/random.h pulsecore/random.c pulsecore/conf-parser.c pulsecore/conf-parser.h pulsecore/core-util.c pulsecore/core-util.h pulsecore/core-error.c pulsecore/core-error.h pulsecore/log.c pulsecore/log.h pulsecore/once.c pulsecore/once.h $(PA_THREAD_OBJS)
pax11publish_CFLAGS = $(AM_CFLAGS) $(X_CFLAGS)
pax11publish_LDADD = $(AM_LDADD) libpulse.la $(X_PRE_LIBS) -lX11 $(X_LIBS) $(X_EXTRA_LIBS)
pax11publish_LDFLAGS = $(AM_LDFLAGS) $(BINLDFLAGS)
@ -374,7 +375,7 @@ sync_playback_CFLAGS = $(AM_CFLAGS)
sync_playback_LDFLAGS = $(AM_LDFLAGS) $(BINLDFLAGS)
interpol_test_SOURCES = tests/interpol-test.c
interpol_test_LDADD = $(AM_LDADD) libpulse.la
interpol_test_LDADD = $(AM_LDADD) libpulse.la libpulsecore.la
interpol_test_CFLAGS = $(AM_CFLAGS)
interpol_test_LDFLAGS = $(AM_LDFLAGS) $(BINLDFLAGS)
@ -525,7 +526,7 @@ libpulse_la_SOURCES += \
endif
libpulse_la_CFLAGS = $(AM_CFLAGS)
libpulse_la_LDFLAGS = -version-info $(LIBPULSE_VERSION_INFO)
libpulse_la_LDFLAGS = -version-info $(LIBPULSE_VERSION_INFO) -Wl,-version-script=$(srcdir)/map-file
libpulse_la_LIBADD = $(AM_LIBADD) $(WINSOCK_LIBS) $(LIBICONV)
if HAVE_X11
@ -541,17 +542,17 @@ endif
libpulse_simple_la_SOURCES = pulse/simple.c pulse/simple.h
libpulse_simple_la_CFLAGS = $(AM_CFLAGS)
libpulse_simple_la_LIBADD = $(AM_LIBADD) libpulse.la
libpulse_simple_la_LDFLAGS = -version-info $(LIBPULSE_SIMPLE_VERSION_INFO)
libpulse_simple_la_LDFLAGS = -version-info $(LIBPULSE_SIMPLE_VERSION_INFO) -Wl,-version-script=$(srcdir)/map-file
libpulse_browse_la_SOURCES = pulse/browser.c pulse/browser.h pulsecore/avahi-wrap.c pulsecore/avahi-wrap.h
libpulse_browse_la_SOURCES = pulse/browser.c pulse/browser.h pulsecore/avahi-wrap.c pulsecore/avahi-wrap.h pulsecore/core-util.c pulsecore/core-util.h pulsecore/core-error.c pulsecore/core-error.h pulsecore/log.c pulsecore/log.h pulsecore/once.c pulsecore/once.h $(PA_THREAD_OBJS)
libpulse_browse_la_CFLAGS = $(AM_CFLAGS) $(AVAHI_CFLAGS)
libpulse_browse_la_LIBADD = $(AM_LIBADD) libpulse.la $(AVAHI_LIBS)
libpulse_browse_la_LDFLAGS = -version-info $(LIBPULSE_BROWSE_VERSION_INFO)
libpulse_browse_la_LDFLAGS = -version-info $(LIBPULSE_BROWSE_VERSION_INFO) -Wl,-version-script=$(srcdir)/map-file
libpulse_mainloop_glib_la_SOURCES = pulse/glib-mainloop.h pulse/glib-mainloop.c
libpulse_mainloop_glib_la_CFLAGS = $(AM_CFLAGS) $(GLIB20_CFLAGS)
libpulse_mainloop_glib_la_LIBADD = $(AM_LIBADD) libpulse.la $(GLIB20_LIBS)
libpulse_mainloop_glib_la_LDFLAGS = -version-info $(LIBPULSE_MAINLOOP_GLIB_VERSION_INFO)
libpulse_mainloop_glib_la_LDFLAGS = -version-info $(LIBPULSE_MAINLOOP_GLIB_VERSION_INFO) -Wl,-version-script=$(srcdir)/map-file
###################################
# OSS emulation #
@ -1459,4 +1460,13 @@ update-speex:
update-ffmpeg:
wget -O pulsecore/ffmpeg/resample2.c http://svn.mplayerhq.hu/ffmpeg/trunk/libavcodec/resample2.c?view=co
# Automatically generate linker version script. We use the same one for all public .sos
update-map-file:
( echo "PULSE_0 {" ; \
echo "global:" ; \
ctags -I PA_GCC_PURE,PA_GCC_CONST -f - --c-kinds=p $(pulseinclude_HEADERS) | awk '/^pa_/ { print $$1 ";" }' | sort ; \
echo "local:" ; \
echo "*;" ; \
echo "};" ) > $(srcdir)/map-file
.PHONY: utils/padsp