X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=configure.ac;h=8f7a4f33e16d985631a54bb7cc0750c34bc3cbc4;hb=ea3a86f0ff50f12650aae7eea033984a8ae0eba5;hp=eecca62600b8bcdc585a840fabbdff4c6ca6ae37;hpb=0657d95eaa686d64efe6bbccda346ebd6467bd0b;p=collectd.git

diff --git a/configure.ac b/configure.ac
index eecca626..8f7a4f33 100644
--- a/configure.ac
+++ b/configure.ac
@@ -54,6 +54,10 @@ AC_DISABLE_STATIC
 AC_PROG_LIBTOOL
 AC_PROG_LEX
 AC_PROG_YACC
+
+# Warn when pkg.m4 is missing
+m4_pattern_forbid([^_?PKG_[A-Z_]+$],[*** pkg.m4 missing, please install pkg-config])
+
 PKG_PROG_PKG_CONFIG
 
 AC_CHECK_PROG([have_protoc_c], [protoc-c], [yes], [no])