configure: check for pkg-config presence
Change-Id: Iaaeb2a926fc3832793dfb3f02e4ced2500950997
diff --git a/configure.ac b/configure.ac
index e1a23c0..950be23 100644
--- a/configure.ac
+++ b/configure.ac
@@ -19,6 +19,13 @@
AC_PROG_INSTALL
LT_INIT
+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])
+
dnl checks for header files
AC_HEADER_STDC