--- curl-7.61.0/lib/Makefile.am.orig	2018-07-26 11:45:27.548145800 +0300
+++ curl-7.61.0/lib/Makefile.am	2018-07-26 11:49:05.823729200 +0300
@@ -111,7 +111,8 @@
 endif
 
 if USE_CPPFLAG_CURL_STATICLIB
-libcurl_la_CPPFLAGS_EXTRA += -DCURL_STATICLIB
+libcurl_la_CPPFLAGS_EXTRA += -DCURL_STATICLIB -DNGHTTP2_STATICLIB
+libcurl_la_CFLAGS_EXTRA +=  -DNGHTTP2_STATICLIB
 endif
 
 if DOING_CURL_SYMBOL_HIDING
@@ -123,9 +123,9 @@
 libcurl_la_LDFLAGS = $(AM_LDFLAGS) $(libcurl_la_LDFLAGS_EXTRA) $(LDFLAGS) $(LIBCURL_LIBS)
 libcurl_la_CFLAGS = $(AM_CFLAGS) $(libcurl_la_CFLAGS_EXTRA)
 
-libcurlu_la_CPPFLAGS = $(AM_CPPFLAGS) -DCURL_STATICLIB -DUNITTESTS
+libcurlu_la_CPPFLAGS = $(AM_CPPFLAGS) -DCURL_STATICLIB -DNGHTTP2_STATICLIB -DUNITTESTS
 libcurlu_la_LDFLAGS = $(AM_LDFLAGS) -static $(LIBCURL_LIBS)
-libcurlu_la_CFLAGS = $(AM_CFLAGS)
+libcurlu_la_CFLAGS = $(AM_CFLAGS) -DNGHTTP2_STATICLIB
 
 # Makefile.inc provides the CSOURCES and HHEADERS defines
 include Makefile.inc