discount-host-cppflags.patch

From b7aeccad864dd84fc64d6cbeb123e49a7b3c8392 Mon Sep 17 00:00:00 2001
From: Balint Reczey <balint.reczey@canonical.com>
Date: Sat, 10 Oct 2020 20:28:28 +0200
Subject: [PATCH] Honor CPPFLAGS

---
 Makefile.in   | 3 ++-
 configure.inc | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/Makefile.in b/Makefile.in
index 9361ad97..c132466d 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -1,4 +1,5 @@
 CC=@CC@
+CPPFLAGS=@CPPFLAGS@
 CFLAGS=@CFLAGS@
 LDFLAGS=@LDFLAGS@
 AR=@AR@
@@ -7,7 +8,7 @@ INSTALL_PROGRAM=@INSTALL_PROGRAM@
 INSTALL_DIR=@INSTALL_DIR@
 INSTALL_DATA=@INSTALL_DATA@
 
-BUILD=$(CC) -I. $(CFLAGS)
+BUILD=$(CC) -I. $(CPPFLAGS) $(CFLAGS)
 LINK=$(CC) -L. $(LDFLAGS)
 
 .c.o:
diff --git a/configure.inc b/configure.inc
index 0c2a5508..97ff6b94 100755
--- a/configure.inc
+++ b/configure.inc
@@ -231,7 +231,7 @@ EOF
 
     LOGN "looking for the $B function"
 
-    if $AC_CC $AC_CFLAGS $AC_LDFLAGS -o ngc$$ ngc$$.c $LIBS; then
+    if $AC_CC $AC_CPPFLAGS $AC_CFLAGS $AC_LDFLAGS -o ngc$$ ngc$$.c $LIBS; then
 	AC_DEFINE `echo ${2:-HAVE_$B} | $AC_UPPERCASE` 1
 	TLOG " (found)"
 	rc=0