configure: Ensure PKG_CONFIG before querying systemd unit path

Use PKG_PROG_PKG_CONFIG to ensure that $PKG_CONFIG is set before it is used to query the systemd unit install path.
10 years ago · b2d324f770
parent dba0070360
commit b2d324f770
1 changed files with 1 additions and 0 deletions
--- a/configure.ac
+++ b/configure.ac
@ -7,6 +7,7 @@ AM_INIT_AUTOMAKE([1.6 foreign])
 AC_PROG_CC
 AC_C_CONST
 AC_PROG_LIBTOOL
+PKG_PROG_PKG_CONFIG
 AC_ARG_WITH([systemdsystemunitdir],
        AS_HELP_STRING([--with-systemdsystemunitdir=DIR], [Directory for systemd service files]),
        [], [with_systemdsystemunitdir=$($PKG_CONFIG --variable=systemdsystemunitdir systemd)])