check for absence of pkg-config

f0c2ef4b · Jonathan Jenkins · c303e04e · f0c2ef4b
Commit f0c2ef4b authored Jun 13, 2016 by Jonathan Jenkins
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configure.ac configure.ac +4 -0

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--- a/configure.ac
+++ b/configure.ac
@@ -29,6 +29,10 @@ AC_PROG_RANLIB

 PKG_PROG_PKG_CONFIG

+if test -z "$PKG_CONFIG" ; then
+    AC_MSG_ERROR([pkg-config is required. Please install the pkg-config program on your PATH or set the PKG_CONFIG environment variable to the appropriate package.])
+fi
+
 # Check for C99
 AC_PROG_CC_C99