X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=Makefile.am;h=de22e0d84021d2aedff6300ab3a1fc9024f5d40f;hb=d6322067aa791234d0d81e1a6b03b445635d5f65;hp=1ab59487cc26af608819e12ee2fe1e3a3a7ca2f6;hpb=93d0f2eaff675059588e958e3de74a1bb7dd4028;p=ust.git

diff --git a/Makefile.am b/Makefile.am
index 1ab5948..de22e0d 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,7 +1,24 @@
 ACLOCAL_AMFLAGS = -I m4
-SUBDIRS = libust tests libmallocwrap ustd ustctl libinterfork include
 
-EXTRA_DIST = doc share/kernelcompat.h share/share.h share/usterr.h
+# The order here is tricky. SUBDIRS applies both to compilation and
+# installation. Programs depending on the libs must be built after
+# libust and '.' (that contains the linker script). However, '.'
+# must be installed after libust so it can overwrite libust.so with
+# the linker script.
+SUBDIRS = snprintf libust . tests libmallocwrap ustd ustctl libinterfork include
+
+EXTRA_DIST = doc libust.ldscript.in libust-initializer.c
 dist_bin_SCRIPTS = usttrace
 
-include_HEADERS = share/kernelcompat.h share/usterr.h
+ldscriptsdir = $(libdir)
+ldscripts_DATA = libust.so libust-initializer.o
+
+CLEANFILES = $(ldscripts_DATA) ./tests/libust-initializer.Po
+
+libust.so: libust.ldscript.in
+	$(SED) -e "s@\@FORMAT\@@$(LIBFORMAT)@" < $< > $@
+
+# It is very important to compile the initializer with PIC otherwise we
+# may get obscure errors when linking to shared libraries.
+libust-initializer.o: libust-initializer.c
+	$(CC) $(CFLAGS) -fPIC -c -I$(top_srcdir)/include -o $@ $<