From: Tollef Fog Heen <tfheen@err.no>
Date: Sun, 6 Dec 2009 20:17:45 +0000 (+0100)
Subject: Rephrase comment before PKG_CHECK_EXISTS in pkg.m4
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6a2c307ed21dd90e23fe576e797d469b2d2eedaa;p=pkg-config

Rephrase comment before PKG_CHECK_EXISTS in pkg.m4
---

diff --git a/pkg.m4 b/pkg.m4
index 6bfe45c..95f7cbc 100644
--- a/pkg.m4
+++ b/pkg.m4
@@ -51,10 +51,10 @@ fi[]dnl
 # Check to see whether a particular set of modules exists.  Similar
 # to PKG_CHECK_MODULES(), but does not set variables or print errors.
 #
-#
-# Similar to PKG_CHECK_MODULES, make sure that the first instance of
-# this or PKG_CHECK_MODULES is called, or make sure to call
-# PKG_CHECK_EXISTS manually
+# Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG])
+# only at the first occurence in configure.ac, so if the first place
+# it's called might be skipped (such as if it is within an "if", you
+# have to call PKG_CHECK_EXISTS manually
 # --------------------------------------------------------------
 AC_DEFUN([PKG_CHECK_EXISTS],
 [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl