new package: libtasn1 (#6374)

packages/libtasn1/build.sh

@@ -0,0 +1,11 @@
+TERMUX_PKG_HOMEPAGE=https://www.gnu.org/software/libtasn1/
+TERMUX_PKG_DESCRIPTION="This is GNU Libtasn1, a small ASN.1 library"
+TERMUX_PKG_LICENSE="LGPL-2.1"
+TERMUX_PKG_MAINTAINER="@termux"
+TERMUX_PKG_VERSION=4.16.0
+TERMUX_PKG_SRCURL=https://gitlab.com/gnutls/libtasn1.git
+TERMUX_PKG_GIT_BRANCH=libtasn1_${TERMUX_PKG_VERSION//./_}
+
+termux_step_post_get_source() {
+	./bootstrap
+}

packages/libtasn1/no-native.exec.patch

@@ -0,0 +1,30 @@
+diff --git a/Makefile.am b/Makefile.am
+index 6c068fe..450fdfe 100644
+--- a/Makefile.am
++++ b/Makefile.am
+@@ -28,10 +28,10 @@ EXTRA_DIST = windows/asn1-parser/asn1-parser.vcproj			\
+ 	CONTRIBUTING.md cfg.mk maint.mk AUTHORS NEWS ChangeLog		\
+ 	THANKS LICENSE
+ 
+-SUBDIRS = lib src fuzz tests
++SUBDIRS = lib src fuzz
+ 
+ if ENABLE_DOC
+-SUBDIRS += doc examples
++SUBDIRS += doc
+ endif
+ 
+ include $(top_srcdir)/aminclude_static.am
+diff --git a/doc/Makefile.am b/doc/Makefile.am
+index 787c304..1ffff89 100644
+--- a/doc/Makefile.am
++++ b/doc/Makefile.am
+@@ -31,7 +31,7 @@ TEXI2DVI = texi2dvi $(AM_MAKEINFOFLAGS)
+ AM_MAKEINFOHTMLFLAGS = $(AM_MAKEINFOFLAGS) \
+ 	--no-split --number-sections --css-include=texinfo.css
+ 
+-dist_man_MANS = $(gdoc_MANS) asn1Parser.1 asn1Coding.1 asn1Decoding.1
++dist_man_MANS = $(gdoc_MANS)
+ 
+ HELP2MAN_OPTS = --info-page libtasn1
+