diff --git a/lib/README.md b/lib/README.md
index 7479fb6..3b4df79 100644
--- a/lib/README.md
+++ b/lib/README.md
@@ -43,15 +43,11 @@ cd ..
 git clone https://github.com/Qalculate/libqalculate.git
 cd libqalculate
 export NOCONFIGURE=1
+export NO_AUTOMAKE=1
 ./autogen.sh
-
-sed -i 's/PKG_CHECK_MODULES(LIBCURL, libcurl)/#PKG_CHECK_MODULES(LIBCURL, libcurl)/' configure
-sed -i 's/PKG_CHECK_MODULES(ICU, icu-uc)/#PKG_CHECK_MODULES(ICU, icu-uc)/' configure
-sed -i 's/PKG_CHECK_MODULES(LIBXML, libxml-2.0/#PKG_CHECK_MODULES(LIBXML, libxml-2.0/' configure
-sed -i 's/#define HAVE_LIBCURL 1//' configure
-sed -i 's/#define HAVE_ICU 1//' configure
-sed -i 's/#define HAVE_PIPE2 1/#define HAVE_PIPE2 0/' configure
-emconfigure ./configure --prefix=${HOME}/opt CPPFLAGS=-I${HOME}/opt/include LDFLAGS="-L${HOME}/opt/lib -lxml2" --without-libcurl --enable-compiled-definitions --disable-nls --disable-shared
+export LIBXML_LIBS="-L${HOME}/opt/lib -lxml2"
+export LIBXML_CFLAGS="-I${HOME}/opt/include"
+emconfigure ./configure --prefix=${HOME}/opt CPPFLAGS=-I${HOME}/opt-prerequisites/include LDFLAGS=-L${HOME}/opt-prerequisites/lib --without-libcurl --without-icu --enable-compiled-definitions --disable-nls --disable-shared
 make
 make install
 cd ..