diff -urN work_failed_provide.orig/qtbase/configure work_failed_provide/qtbase/configure
--- work_failed_provide.orig/qtbase/configure	2018-02-13 10:11:01.000000000 +0000
+++ work_failed_provide/qtbase/configure	2018-02-13 10:16:59.000000000 +0000
@@ -232,7 +232,7 @@
 
     sdk=$(getSingleQMakeVariable "QMAKE_MAC_SDK" "$1")
     if [ -z "$sdk" ]; then echo "QMAKE_MAC_SDK must be set when building on Mac" >&2; exit 1; fi
-    sysroot=$(/usr/bin/xcrun --sdk $sdk --show-sdk-path 2>/dev/null)
+    sysroot=$(xcrun --sdk $sdk --show-sdk-path 2>/dev/null)
     if [ -z "$sysroot" ]; then echo "Failed to resolve SDK path for '$sdk'" >&2; exit 1; fi
 
     case "$sdk" in
@@ -267,7 +267,7 @@
                 # Prefix tool with toolchain path
                 var=$(echo "$line" | cut -d '=' -f 1)
                 val=$(echo "$line" | cut -d '=' -f 2-)
-                sdk_val=$(/usr/bin/xcrun -sdk $sdk -find $(echo $val | cut -d ' ' -f 1))
+                sdk_val=$(xcrun -sdk $sdk -find $(echo $val | cut -d ' ' -f 1))
                 val=$(echo $sdk_val $(echo $val | cut -s -d ' ' -f 2-))
                 echo "$var=$val"
             ;;
@@ -329,8 +329,8 @@
     fi
 
     # In the else case we are probably using a Command Line Tools installation
-    if /usr/bin/xcrun -find xcodebuild >/dev/null 2>&1; then
-        if ! /usr/bin/xcrun xcodebuild -license check 2>/dev/null; then
+    if xcrun -find xcodebuild >/dev/null 2>&1; then
+        if ! xcrun xcodebuild -license check 2>/dev/null; then
             echo >&2
             echo "   Xcode setup not complete. You need to confirm the license" >&2
             echo "   agreement by running 'sudo xcrun xcodebuild -license accept'." >&2
diff -urN work_failed_provide.orig/qtbase/mkspecs/features/mac/default_pre.prf work_failed_provide/qtbase/mkspecs/features/mac/default_pre.prf
--- work_failed_provide.orig/qtbase/mkspecs/features/mac/default_pre.prf	2018-02-13 10:11:01.000000000 +0000
+++ work_failed_provide/qtbase/mkspecs/features/mac/default_pre.prf	2018-02-13 10:17:26.000000000 +0000
@@ -13,16 +13,16 @@
 }
 
 isEmpty(QMAKE_XCODEBUILD_PATH): \
-    QMAKE_XCODEBUILD_PATH = $$system("/usr/bin/xcrun -find xcodebuild 2>/dev/null")
+    QMAKE_XCODEBUILD_PATH = $$system("xcrun -find xcodebuild 2>/dev/null")
 
 !isEmpty(QMAKE_XCODEBUILD_PATH) {
     # Make sure Xcode is set up properly
-    !system("/usr/bin/xcrun xcodebuild -license check 2>/dev/null"): \
+    !system("xcrun xcodebuild -license check 2>/dev/null"): \
         error("Xcode not set up properly. You need to confirm the license agreement by running 'sudo xcrun xcodebuild -license accept'.")
 
     isEmpty(QMAKE_XCODE_VERSION) {
         # Extract Xcode version using xcodebuild
-        xcode_version = $$system("/usr/bin/xcrun xcodebuild -version")
+        xcode_version = $$system("xcrun xcodebuild -version")
         QMAKE_XCODE_VERSION = $$member(xcode_version, 1)
         isEmpty(QMAKE_XCODE_VERSION): error("Could not resolve Xcode version.")
         unset(xcode_version)
diff -urN work_failed_provide.orig/qtbase/mkspecs/features/mac/sdk.prf work_failed_provide/qtbase/mkspecs/features/mac/sdk.prf
--- work_failed_provide.orig/qtbase/mkspecs/features/mac/sdk.prf	2018-02-13 10:11:01.000000000 +0000
+++ work_failed_provide/qtbase/mkspecs/features/mac/sdk.prf	2018-02-13 10:17:08.000000000 +0000
@@ -18,7 +18,7 @@
         sdk = $$QMAKE_MAC_SDK
 
     isEmpty(QMAKE_MAC_SDK.$${sdk}.$${info}) {
-        QMAKE_MAC_SDK.$${sdk}.$${info} = $$system("/usr/bin/xcrun --sdk $$sdk $$info 2>/dev/null")
+        QMAKE_MAC_SDK.$${sdk}.$${info} = $$system("xcrun --sdk $$sdk $$info 2>/dev/null")
         # --show-sdk-platform-path won't work for Command Line Tools; this is fine
         # only used by the XCTest backend to testlib
         isEmpty(QMAKE_MAC_SDK.$${sdk}.$${info}):if(!isEmpty(QMAKE_XCODEBUILD_PATH)|!equals(info, "--show-sdk-platform-path")): \
@@ -50,7 +50,7 @@
     value = $$eval($$tool)
     isEmpty(value): next()
 
-    sysrooted = $$system("/usr/bin/xcrun -sdk $$QMAKE_MAC_SDK -find $$first(value) 2>/dev/null")
+    sysrooted = $$system("xcrun -sdk $$QMAKE_MAC_SDK -find $$first(value) 2>/dev/null")
     isEmpty(sysrooted): next()
 
     $$tool = $$sysrooted $$member(value, 1, -1)
--- work/qtbase/configure.orig	2018-10-20 01:43:04.000000000 +0100
+++ work/qtbase/configure	2018-10-20 01:43:18.000000000 +0100
@@ -318,7 +318,7 @@
 #-------------------------------------------------------------------------------
 
 if [ "$BUILD_ON_MAC" = "yes" ]; then
-    if ! /usr/bin/xcode-select --print-path >/dev/null 2>&1; then
+    if ! xcode-select --print-path >/dev/null 2>&1; then
         echo >&2
         echo "   No Xcode selected. Please install Xcode via the App Store, " >&2
         echo "   or the command line developer tools via xcode-select --install, " >&2