jbig2dec: run autogen.sh

packages/jbig2dec/build.sh

@@ -8,4 +8,7 @@ TERMUX_PKG_SHA256=9e19775237350e299c422b7b91b0c045e90ffa4ba66abf28c8fb5eb005772f
 TERMUX_PKG_DEPENDS="libpng"
 TERMUX_PKG_BREAKS="jbig2dec-dev"
 TERMUX_PKG_REPLACES="jbig2dec-dev"
-TERMUX_PKG_BUILD_IN_SRC=true
+
+termux_step_pre_configure() {
+	./autogen.sh
+}

packages/jbig2dec/no-auto-configure.patch

@@ -0,0 +1,16 @@
+diff -uNr jbig2dec-0.18/autogen.sh jbig2dec-0.18.mod/autogen.sh
+--- jbig2dec-0.18/autogen.sh	2020-03-12 14:26:37.000000000 +0200
++++ jbig2dec-0.18.mod/autogen.sh	2020-04-05 21:53:20.165790568 +0300
+@@ -169,12 +169,3 @@
+ 
+ echo "  autoconf"
+ autoconf
+-
+-if test -z "$*"; then
+-        echo "I am going to run ./configure with no arguments - if you wish "
+-        echo "to pass any to it, please specify them on the $0 command line."
+-else
+-	echo "running ./configure $@"
+-fi
+-
+-$srcdir/configure "$@" && echo