From ccd2862d233a21f9824d898239dccbda17d375ed Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Sat, 20 Oct 2018 13:39:27 +0200
Subject: [PATCH] Use SDK options with cpp too in configure under macOS

Otherwise trying to compile and preprocess a file could behave
differently because the format could not find a header existing in the
system due to the use of -isysroot option, confusing configure.
---
 configure    | 2 ++
 configure.in | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/configure b/configure
index f16d012a6c..cb8efcf19d 100755
--- a/configure
+++ b/configure
@@ -20194,6 +20194,7 @@ elif test "x$wxUSE_MACOSX_VERSION_MIN" = "x"; then
 fi
 
 if test "x$MACOSX_SDK_OPTS" != "x"; then
+    eval "CPP=\"$CPP $MACOSX_SDK_OPTS\""
     eval "CC=\"$CC $MACOSX_SDK_OPTS\""
     eval "CXX=\"$CXX $MACOSX_SDK_OPTS\""
     eval "LD=\"$LD $MACOSX_SDK_OPTS\""
@@ -20206,6 +20207,7 @@ if test "x$wxUSE_MACOSX_VERSION_MIN" != "x"; then
     else
         MACOSX_VERSION_MIN_OPTS="-mmacosx-version-min=$wxUSE_MACOSX_VERSION_MIN"
     fi
+    eval "CPP=\"$CPP $MACOSX_VERSION_MIN_OPTS\""
     eval "CC=\"$CC $MACOSX_VERSION_MIN_OPTS\""
     eval "CXX=\"$CXX $MACOSX_VERSION_MIN_OPTS\""
     eval "LD=\"$LD $MACOSX_VERSION_MIN_OPTS\""
diff --git a/configure.in b/configure.in
index dd079889cb..326c675a04 100644
--- a/configure.in
+++ b/configure.in
@@ -1279,6 +1279,7 @@ elif test "x$wxUSE_MACOSX_VERSION_MIN" = "x"; then
 fi
 
 if test "x$MACOSX_SDK_OPTS" != "x"; then
+    eval "CPP=\"$CPP $MACOSX_SDK_OPTS\""
     eval "CC=\"$CC $MACOSX_SDK_OPTS\""
     eval "CXX=\"$CXX $MACOSX_SDK_OPTS\""
     eval "LD=\"$LD $MACOSX_SDK_OPTS\""
@@ -1291,6 +1292,7 @@ if test "x$wxUSE_MACOSX_VERSION_MIN" != "x"; then
     else
         MACOSX_VERSION_MIN_OPTS="-mmacosx-version-min=$wxUSE_MACOSX_VERSION_MIN"
     fi
+    eval "CPP=\"$CPP $MACOSX_VERSION_MIN_OPTS\""
     eval "CC=\"$CC $MACOSX_VERSION_MIN_OPTS\""
     eval "CXX=\"$CXX $MACOSX_VERSION_MIN_OPTS\""
     eval "LD=\"$LD $MACOSX_VERSION_MIN_OPTS\""