From 187b3c49fc2fdde10cc3fb84e74142342d4afb5d Mon Sep 17 00:00:00 2001
From: laanwj <126646+laanwj@users.noreply.github.com>
Date: Thu, 13 Jan 2022 11:20:27 +0100
Subject: [PATCH] Merge bitcoin/bitcoin#24048: build: Improve error message
 when pkg-config is not installed

18f304d988117f2675e7393adda9f960fbf3cb3a build: Improve error message when pkg-config is not installed (Hennadii Stepanov)

Pull request description:

  Fixes bitcoin/bitcoin#24037.

  With this PR:
  ```
  # ./autogen.sh
  configure.ac:16: error: PKG_PROG_PKG_CONFIG macro not found. Please install pkg-config and re-run autogen.sh
  configure.ac:16: the top level
  autom4te: /usr/bin/m4 failed with exit status: 1
  aclocal: error: /usr/bin/autom4te failed with exit status: 1
  autoreconf: aclocal failed with exit status: 1
  ```

ACKs for top commit:
  laanwj:
    Tested ACK 18f304d988117f2675e7393adda9f960fbf3cb3a
  jarolrod:
    ACK 18f304d988117f2675e7393adda9f960fbf3cb3a

Tree-SHA512: ba845f44c966fea6cf7cee0db9cacc431072e2005ad065c8f2bbe3cffd8415c3af6ed443cccf9606df7de4df2ff3e72636afb5f3776d2a96af8572aab7018549
---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 9623cc6b44..0b221d947c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -13,7 +13,7 @@ AC_CONFIG_HEADERS([src/config/bitcoin-config.h])
 AC_CONFIG_AUX_DIR([build-aux])
 AC_CONFIG_MACRO_DIR([build-aux/m4])
 
-m4_ifndef([PKG_PROG_PKG_CONFIG], [AC_MSG_ERROR([PKG_PROG_PKG_CONFIG macro not found. Please install pkg-config and re-run autogen.sh])])
+m4_ifndef([PKG_PROG_PKG_CONFIG], [m4_fatal([PKG_PROG_PKG_CONFIG macro not found. Please install pkg-config and re-run autogen.sh])])
 PKG_PROG_PKG_CONFIG
 if test "x$PKG_CONFIG" = x; then
   AC_MSG_ERROR([pkg-config not found])