configure: Pass compiler flag to enable ICU only when building util.encodings Passing it in CFLAGS applied to all modules, which was not needed.

author: Kim Alvefur <zash@zash.se>
date: Sun, 12 Jul 2020 23:28:04 +0200
parent: 10010:34bfefb39937
child: 11528:d3b0049e50f5
--- a/configure	Fri Jul 10 13:01:17 2020 +0100
+++ b/configure	Sun Jul 12 23:28:04 2020 +0200
@@ -524,7 +524,7 @@
 if [ "$IDN_LIBRARY" = "icu" ]
 then
    IDNA_LIBS="$ICU_FLAGS"
-   CFLAGS="$CFLAGS -DUSE_STRINGPREP_ICU"
+   IDNA_FLAGS="-DUSE_STRINGPREP_ICU"
 fi
 if [ "$IDN_LIBRARY" = "idn" ]
 then
@@ -569,6 +569,7 @@
 LUA_LIBDIR=$LUA_LIBDIR
 LUA_BINDIR=$LUA_BINDIR
 IDN_LIB=$IDN_LIB
+IDNA_FLAGS=$IDNA_FLAGS
 IDNA_LIBS=$IDNA_LIBS
 OPENSSL_LIBS=$OPENSSL_LIBS
 CFLAGS=$CFLAGS