X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=boost%2Flibs%2Fsignals%2Fsrc%2FMakefile.am;h=3f49813ccd184bdd3865eddd150fda88fbc587d9;hb=197c26de994d5cca090c18fe4f0f27c51d37c7bc;hp=0bbec6fd502c048831f8a35bc8361ca7e8f4d60f;hpb=393d59f296f778f0d84a25afcebca04154ef1cc0;p=features.git

diff --git a/boost/libs/signals/src/Makefile.am b/boost/libs/signals/src/Makefile.am
index 0bbec6fd50..3f49813ccd 100644
--- a/boost/libs/signals/src/Makefile.am
+++ b/boost/libs/signals/src/Makefile.am
@@ -4,7 +4,8 @@ noinst_LTLIBRARIES = libboostsignals.la
 
 INCLUDES = $(BOOST_INCLUDES)
 
-AM_CXXFLAGS = -DBOOST_USER_CONFIG="<config.h>"
+AM_CPPFLAGS = -DBOOST_USER_CONFIG="<config.h>"
+AM_CXXFLAGS = $(PCH_FLAGS)
 
 libboostsignals_la_SOURCES = \
 	connection.cpp \