build-sys: replace backticks `` with $()

[thirdparty/systemd.git] / Makefile.am

diff --git a/Makefile.am b/Makefile.am
index f18cccd070d36ba935f84da93058670ac002cf18..5453868f825d4b7af2cb1c01e48241b76149525f 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -3504,7 +3504,7 @@ sphinx-%:
        $(AM_V_at)echo Output has been generated in $(abs_top_builddir)/man/python-systemd/
 
 destdir-sphinx: all
-       dir="`mktemp -d /tmp/systemd-install.XXXXXX`" && \
+       dir="$(mktemp -d /tmp/systemd-install.XXXXXX)" && \
                $(MAKE) DESTDIR="$$dir" install && \
                $(MAKE) DESTDIR="$$dir" sphinx-html && \
                rm -rf "$$dir"