As it is defined in CONFIGURE_CXXFLAGS. --- configure | 1 + 1 file changed, 1 insertion(+) diff --git a/configure b/configure index b8a3ce7..f447581 100755 --- a/configure +++ b/configure @@ -908,6 +908,7 @@ WITH_ZSH = ${WITH_ZSH} # Combined flags for compiling and linking against all of the above CONFIGURE_CFLAGS = -DHAVE_GETLINE=\$(HAVE_GETLINE) \$(GMIME_CFLAGS) \\ + \$(ZLIB_CFLAGS) \\ \$(TALLOC_CFLAGS) -DHAVE_VALGRIND=\$(HAVE_VALGRIND) \\ \$(VALGRIND_CFLAGS) \\ -DHAVE_STRCASESTR=\$(HAVE_STRCASESTR) \\ -- 1.8.0