configure: check for pkg-config presence
Change-Id: I940558e1b53b0d42291077eba0568f9974df6957
diff --git a/configure.ac b/configure.ac
index de70e35..ab7a637 100644
--- a/configure.ac
+++ b/configure.ac
@@ -22,6 +22,13 @@
AC_PROG_CC
AC_PROG_INSTALL
+dnl check for pkg-config (explained in detail in libosmocore/configure.ac)
+AC_PATH_PROG(PKG_CONFIG_INSTALLED, pkg-config, no)
+if test "x$PKG_CONFIG_INSTALLED" = "xno"; then
+ AC_MSG_WARN([You need to install pkg-config])
+fi
+PKG_PROG_PKG_CONFIG([0.20])
+
PKG_CHECK_MODULES(OSMOCORE, libosmocore)
PKG_CHECK_MODULES(OSMOGSM, libosmogsm)
PKG_CHECK_MODULES(OSMOVTY, libosmovty)