try to push sysroot in correctly c++

diff --git a/configure.ac b/configure.ac
index c2d2dfcabfc7ee7a96a3f69ab481899e38bf359b..225c372158da113ae667198e06e2ef16f5068d4e 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -253,6 +253,7 @@ AC_SUBST(CC_FOR_BUILD)
 if test -n "$lt_sysroot" ; then
    APR_ADDTO(CFLAGS, --sysroot=$lt_sysroot)
    APR_ADDTO(CXXFLAGS, --sysroot=$lt_sysroot)
+   APR_ADDTO(CPPFLAGS, --sysroot=$lt_sysroot)
    APR_ADDTO(LDFLAGS, --sysroot=$lt_sysroot)
    PKG_CONFIG_SYSROOT_DIR=$lt_sysroot
 fi