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-rw-r--r--configure.ac2
1 files changed, 1 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac
index e6de2e4..e682ba0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -228,7 +228,7 @@ AC_CHECK_FUNCS([gettimeofday setrlimit inet_ntoa iswprint memchr memset nl_langi
AC_SEARCH_LIBS([clock_gettime], [rt], [AC_DEFINE([HAVE_CLOCK_GETTIME], [1], [Define if clock_gettime is available.])])
AS_IF([test x"$__CYGWIN__" != x && test x"$TINFO_CPPFLAGS" = x],
- [TINFO_CPPFLAGS="-I/usr/include/ncurses"])
+ [AC_SUBST([CPPFLAGS], ["$CPPFLAGS -I/usr/include/ncurses"])])
PKG_CHECK_MODULES([TINFO], [tinfo], ,
[PKG_CHECK_MODULES([TINFO], [ncurses], ,