liblzma: Fix a portability problem in Makefile.am.
POSIX supports $< only in inference rules (suffix rules).
Using it elsewhere is a GNU make extension and doesn't
work e.g. with OpenBSD make.
Thanks to Christian Weisgerber for the patch.
diff --git a/src/liblzma/Makefile.am b/src/liblzma/Makefile.am
index 32134e8..1b40910 100644
--- a/src/liblzma/Makefile.am
+++ b/src/liblzma/Makefile.am
@@ -116,7 +116,7 @@
-e 's,@PACKAGE_VERSION[@],$(PACKAGE_VERSION),g' \
-e 's,@PTHREAD_CFLAGS[@],$(PTHREAD_CFLAGS),g' \
-e 's,@LIBS[@],$(LIBS),g' \
- < $< > $@ || { rm -f $@; exit 1; }
+ < $(srcdir)/liblzma.pc.in > $@ || { rm -f $@; exit 1; }
clean-local:
rm -f liblzma.pc
