From 9fedafba4b903d7f3af044eb86dc313856e40b08 Mon Sep 17 00:00:00 2001
From: Cory Fields <cory-nospam-@coryfields.com>
Date: Mon, 29 Sep 2014 15:26:31 -0400
Subject: [PATCH] build: Fix OSX build when using Homebrew and qt5

Qt5 is bottled, so configure won't find it without some help. Use
brew to find out its prefix.

Also, qt5 added the host_bins variable to pkg-config, use it.
---
 build-aux/m4/bitcoin_qt.m4 |  7 +++++++
 configure.ac               | 25 +++++++++++++++++++------
 2 files changed, 26 insertions(+), 6 deletions(-)

diff --git a/build-aux/m4/bitcoin_qt.m4 b/build-aux/m4/bitcoin_qt.m4
index edfde4cd7..71b148489 100644
--- a/build-aux/m4/bitcoin_qt.m4
+++ b/build-aux/m4/bitcoin_qt.m4
@@ -152,6 +152,13 @@ AC_DEFUN([BITCOIN_QT_CONFIGURE],[
   fi
   CPPFLAGS=$TEMP_CPPFLAGS
   ])
+
+  if test x$use_pkgconfig$qt_bin_path = xyes; then
+    if test x$bitcoin_qt_got_major_vers = x5; then
+      qt_bin_path="`$PKG_CONFIG --variable=host_bins Qt5Core 2>/dev/null`"
+    fi
+  fi
+
   BITCOIN_QT_PATH_PROGS([MOC], [moc-qt${bitcoin_qt_got_major_vers} moc${bitcoin_qt_got_major_vers} moc], $qt_bin_path)
   BITCOIN_QT_PATH_PROGS([UIC], [uic-qt${bitcoin_qt_got_major_vers} uic${bitcoin_qt_got_major_vers} uic], $qt_bin_path)
   BITCOIN_QT_PATH_PROGS([RCC], [rcc-qt${bitcoin_qt_got_major_vers} rcc${bitcoin_qt_got_major_vers} rcc], $qt_bin_path)
diff --git a/configure.ac b/configure.ac
index 7025249ab..abf9f39e6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -240,12 +240,25 @@ case $host in
 
        AC_CHECK_PROG([BREW],brew, brew)
        if test x$BREW = xbrew; then
-         dnl add default homebrew paths
-         openssl_prefix=`$BREW --prefix openssl`
-         bdb_prefix=`$BREW --prefix berkeley-db4`
-         export PKG_CONFIG_PATH="$openssl_prefix/lib/pkgconfig:$PKG_CONFIG_PATH"
-         CPPFLAGS="$CPPFLAGS -I$bdb_prefix/include"
-         LIBS="$LIBS -L$bdb_prefix/lib"
+         dnl These Homebrew packages may be bottled, meaning that they won't be found
+         dnl in expected paths because they may conflict with system files. Ask
+         dnl Homebrew where each one is located, then adjust paths accordingly.
+         dnl It's safe to add these paths even if the functionality is disabled by
+         dnl the user (--without-wallet or --without-gui for example).
+
+         openssl_prefix=`$BREW --prefix openssl 2>/dev/null`
+         bdb_prefix=`$BREW --prefix berkeley-db4 2>/dev/null`
+         qt5_prefix=`$BREW --prefix qt5 2>/dev/null`
+         if test x$openssl_prefix != x; then
+           export PKG_CONFIG_PATH="$openssl_prefix/lib/pkgconfig:$PKG_CONFIG_PATH"
+         fi
+         if test x$bdb_prefix != x; then
+           CPPFLAGS="$CPPFLAGS -I$bdb_prefix/include"
+           LIBS="$LIBS -L$bdb_prefix/lib"
+         fi
+         if test x$qt5_prefix != x; then
+           export PKG_CONFIG_PATH="$qt5_prefix/lib/pkgconfig:$PKG_CONFIG_PATH"
+         fi
        fi
      else
        case $build_os in