Use a better way of checking we have pkg-config

cbad9e18 · Tollef Fog Heen · f124895f · cbad9e18
Commit cbad9e18 authored Oct 18, 2011 by Tollef Fog Heen
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configure.ac configure.ac +1 -1

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--- a/configure.ac
+++ b/configure.ac
@@ -116,7 +116,7 @@ AC_SUBST(NET_LIBS)
 AC_CHECK_LIBM
 AC_SUBST(LIBM)

-m4_pattern_forbid([^_?PKG_[A-Z_]+$],[pkg.m4 missing, please install pkg-config])
+m4_ifndef([PKG_PROG_PKG_CONFIG], [m4_fatal([pkg.m4 missing, please install pkg-config])])
 PKG_PROG_PKG_CONFIG
 if test -n $PKG_CONFIG; then
   PKG_CHECK_MODULES([PCRE], [libpcre])